JP2019041113A - Hemt素子とその製造方法 - Google Patents
Hemt素子とその製造方法 Download PDFInfo
- Publication number
- JP2019041113A JP2019041113A JP2018196889A JP2018196889A JP2019041113A JP 2019041113 A JP2019041113 A JP 2019041113A JP 2018196889 A JP2018196889 A JP 2018196889A JP 2018196889 A JP2018196889 A JP 2018196889A JP 2019041113 A JP2019041113 A JP 2019041113A
- Authority
- JP
- Japan
- Prior art keywords
- nitride semiconductor
- gan
- film
- concentration
- semiconductor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 48
- 239000004065 semiconductor Substances 0.000 claims abstract description 379
- 150000004767 nitrides Chemical class 0.000 claims abstract description 251
- 150000001875 compounds Chemical class 0.000 claims abstract description 101
- 239000000758 substrate Substances 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims description 112
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 71
- 239000001301 oxygen Substances 0.000 claims description 71
- 229910052760 oxygen Inorganic materials 0.000 claims description 71
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 66
- 239000012535 impurity Substances 0.000 claims description 64
- 238000004544 sputter deposition Methods 0.000 claims description 49
- 229910052795 boron group element Inorganic materials 0.000 claims description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims description 34
- 238000010521 absorption reaction Methods 0.000 claims description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 30
- 229910052733 gallium Inorganic materials 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 230000003746 surface roughness Effects 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 229910052796 boron Inorganic materials 0.000 claims description 14
- 229910052738 indium Inorganic materials 0.000 claims description 13
- 229910052732 germanium Inorganic materials 0.000 claims description 12
- 238000004439 roughness measurement Methods 0.000 claims description 10
- 229910002601 GaN Inorganic materials 0.000 description 240
- 239000010410 layer Substances 0.000 description 214
- 239000010408 film Substances 0.000 description 201
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 200
- 239000013078 crystal Substances 0.000 description 96
- 239000000463 material Substances 0.000 description 35
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 30
- 239000007789 gas Substances 0.000 description 28
- 238000005259 measurement Methods 0.000 description 23
- 239000010409 thin film Substances 0.000 description 23
- 239000002585 base Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 238000011160 research Methods 0.000 description 16
- 230000001747 exhibiting effect Effects 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 229910052594 sapphire Inorganic materials 0.000 description 10
- 239000010980 sapphire Substances 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 8
- 238000000089 atomic force micrograph Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 238000005477 sputtering target Methods 0.000 description 8
- 239000002019 doping agent Substances 0.000 description 7
- 125000004429 atom Chemical group 0.000 description 6
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 229910003465 moissanite Inorganic materials 0.000 description 6
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 6
- 125000004430 oxygen atom Chemical group O* 0.000 description 6
- 230000003071 parasitic effect Effects 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- -1 nitride compound Chemical class 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 230000031700 light absorption Effects 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 2
- 235000005811 Viola adunca Nutrition 0.000 description 2
- 240000009038 Viola odorata Species 0.000 description 2
- 235000013487 Viola odorata Nutrition 0.000 description 2
- 235000002254 Viola papilionacea Nutrition 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 2
- AJGDITRVXRPLBY-UHFFFAOYSA-N aluminum indium Chemical compound [Al].[In] AJGDITRVXRPLBY-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002109 crystal growth method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910002059 quaternary alloy Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 101100116570 Caenorhabditis elegans cup-2 gene Proteins 0.000 description 1
- 101100116572 Drosophila melanogaster Der-1 gene Proteins 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- FFEARJCKVFRZRR-UHFFFAOYSA-N methionine Chemical compound CSCCC(N)C(O)=O FFEARJCKVFRZRR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02455—Group 13/15 materials
- H01L21/02458—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02266—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by physical ablation of a target, e.g. sputtering, reactive sputtering, physical vapour deposition or pulsed laser deposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02538—Group 13/15 materials
- H01L21/0254—Nitrides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02576—N-type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7788—Vertical transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78603—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the insulating substrate or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/80—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier
- H01L29/812—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier with a Schottky gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
- H01L33/325—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen characterised by the doping materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18341—Intra-cavity contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/305—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure
- H01S5/3095—Tunnel junction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04252—Electrodes, e.g. characterised by the structure characterised by the material
- H01S5/04253—Electrodes, e.g. characterised by the structure characterised by the material having specific optical properties, e.g. transparent electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
- H01S5/04257—Electrodes, e.g. characterised by the structure characterised by the configuration having positive and negative electrodes on the same side of the substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34333—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer based on Ga(In)N or Ga(In)P, e.g. blue laser
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Junction Field-Effect Transistors (AREA)
- Led Devices (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Recrystallisation Techniques (AREA)
- Semiconductor Lasers (AREA)
- Physical Vapour Deposition (AREA)
- Thin Film Transistor (AREA)
Abstract
【解決手段】化合物半導体は、5×1019cm−3以上という高い電子濃度を有し、46cm2/V・s以上の電子移動度を示し、低電気抵抗性を示すことにより、高性能の半導体デバイスを構成する。室温〜700℃で大面積の基板上に成膜し得るn型導電型の13族窒化物半導体が提供される。
【選択図】図13
Description
1×1017cm−3以上の酸素を不純物として含有し、
5×1019cm−3以上の電子濃度を有し、N型導電性であり、
電子移動度が46cm2/V・s以上である化合物半導体を提供する。
本発明において、窒化物の化合物半導体を製造するために用いる「パルススパッタリング法(PSD法)」や化合物半導体を製造するための材料・製造方法は当業者において周知の基礎的事項である。
(b)デューティー比:5%
(c)平均投入電力:100W
(d)パルス周波数:1kHz
(e)成長圧力:2×10−3Torr
(f)ドーパント:Si
まず、図9は本発明の13族窒化物半導体を基板上に形成した化合物半導体素子20の断面模式図を示す。21は基板(サファイア)、22はGaNである。
図10は、本発明の化合物半導体を用いたコンタクト構造の断面模式図を示す。31はGaN基板、32はGaN(PSD法で成膜した化合物半導体の膜)、34は絶縁層、33は外部に接続され得る配線電極、35はコンタクトホール部である。
図11は、本発明の13族窒化物化合物半導体を用いたコンタクト構造40の断面模式図を示す。図11中、41はn型GaNコンタクト層、42はTi層、43はAl層、44はNi層、45はAu層である。本例では複合型の金属電極が用いられている。成膜後に900℃程度で熱処理が行われる。
図12は、本発明を適用し得る薄膜トランジスタの模式的な斜視図である。薄膜トランジスタの電極のコンタクト層に高濃度のn型GaN層を適用することができる。
スパッタリングターゲット(Si):純度99.999%の単結晶
スパッタリングターゲット(Ge):純度99.99%の単結晶
Ga:純度99.99999%
窒素ガス:純度99.9999%
スパッタリングターゲット(Si):純度99.999%の単結晶
スパッタリングターゲット(Ge):純度99.99%の単結晶
Ga:純度99.99999%
Al:純度99.999%
In:純度99.999%
窒素ガス:純度99.9999%
図19は、縦形パワーMOSFETの断面概略図である。この縦形パワーMOSFET100は、n+−GaN層102、n−−GaN層103、p−GaN層104の積層構造の上に、本発明に係る窒化物半導体のn+−GaN層105が形成されている。この本発明に係るn+−GaN層105のパターニング加工には全面にn+−GaN層を堆積した後に、リソグラフィー技術を用いるか、あるいは、試料表面の一部のみに窒化ガリウムの結晶面を露出させ、その露出部に選択的にn+−GaN層をエピタキシャル成長する選択成長技術を用いてもよい。なお、符号106で示したものは絶縁膜、符号101で示したものはドレイン、符号107で示したものはソース、符号108で示したものはゲートである。
図20は、GaN系LEDの断面概略図である。LED200は、窒化物半導体から成る基板201の上に、n型窒化物半導体層202、量子井戸層を含む活性層203、p型窒化物半導体層204、および本発明のn+−GaN層205が順次積層されている。
図21は、ショットキダイオードの断面概略図である。このショットキダイオード300は、裏面に本発明のn+−GaN層306を形成したn+−GaN基板301の表面にn−−GaN層302が形成され、n+−GaN層306の側にはオーミック電極303が、n−−GaN層302側にはショットキ電極304が形成されている。なお、図中に符号305で示したものは絶縁膜である。
2 巻きだしロール
3 巻き取りロール
4 基板フィルム
5 成膜室
10 連続成膜装置
11 チャンバ
12 基板電極
13 ターゲット電極
14 直流電源
15 電源制御部
16 窒素供給源
17 加熱装置
12a 放熱シート
21 基板
22 GaN
31 基板
32 GaN
33 絶縁層
34 絶縁層
35 コンタクトホール部
41 n型GaNコンタクト層
42 Ti層
43 Al層
44 Ni層
45 Au層
100 縦形パワーMOSFET
101 ドレイン
102 n+−GaN層
103 n−−GaN層
104 p−GaN層
105 n+−GaN層
106 絶縁膜
107 ソース
108 ゲート
200 LED
201 基板
202 n型窒化物半導体層
203 活性層
204 p型窒化物半導体層
205 n側電極
206 p側電極
300 ショットキダイオード
301 n+−GaN基板
302 n−−GaN層
303 オーミック電極
304 ショットキ電極
305 絶縁膜
306 n+−GaN層
前記窒化物半導体は、窒素と、B、Al、GaまたはInからなる群より選ばれる少なくとも1種の13族元素を含有する2元系、3元系または4元系の窒化物半導体であり、1×1017cm-3以上の酸素を不純物として含有し、SiまたはGeをドナーとして含有し、5×1019cm-3以上の電子濃度を有し、前記電子濃度は実質的にSiドナー濃度またはGeドナー濃度に等しく、n型導電性であり、電子移動度が46cm2/(V・s)以上であるHEMT素子を提供する。
パルススパッタリング法を用いて、酸素を含むプロセス雰囲気で、
成膜時の基板温度を700℃以下で行い、SiまたはGeをドーパントとして添加し、
1×10 17 cm -3 以上の酸素を不純物として含有し、5×10 19 cm -3 以上の電子濃度を有し、n型導電性であり、電子移動度が46cm 2 /(V・s)以上である前記窒化物半導体を成膜するHEMT素子の製造方法を提供する。
前記窒化物半導体は、窒素と、B、Al、GaまたはInからなる群より選ばれる少なくとも1種の13族元素を含有する、導電型がn型の窒化物半導体であって、電子濃度が1×1020cm-3以上で、且つ、比抵抗が0.3×10-3Ω・cm以下であって、酸素不純物を1×10 17 cm -3 以上含有する、HEMT素子である。
本発明において、窒化物の化合物半導体を製造するために用いる「パルススパッタリング法(PSD法)」や化合物半導体を製造するための材料・製造方法は当業者において周知の基礎的事項である。
(b)デューティー比:5%
(c)平均投入電力:100W
(d)パルス周波数:1kHz
(e)成長圧力:2×10-3Torr
(f)ドーパント:Si
まず、図9は本発明の13族窒化物半導体を基板上に形成した窒化物半導体素子20の断面模式図を示す。21は基板(サファイア)、22はGaNである。
図10は、本発明の窒化物半導体を用いたコンタクト構造の断面模式図を示す。31はGaN基板、32はGaN(PSD法で成膜した窒化物半導体の膜)、34は絶縁層、33は外部に接続され得る配線電極、35はコンタクトホール部である。
図11は、本発明の13族窒化物半導体を用いたコンタクト構造40の断面模式図を示す。図11中、41はn型GaNコンタクト層、42はTi層、43はAl層、44はNi層、45はAu層である。本例では複合型の金属電極が用いられている。成膜後に900℃程度で熱処理が行われる。
図12は、本発明を適用し得る薄膜トランジスタの模式的な斜視図である。薄膜トランジスタの電極のコンタクト層に高濃度のn型GaN層を適用することができる。
スパッタリングターゲット(Si):純度99.999%の単結晶
スパッタリングターゲット(Ge):純度99.99%の単結晶
Ga:純度99.99999%
窒素ガス:純度99.9999%
スパッタリングターゲット(Si):純度99.999%の単結晶
スパッタリングターゲット(Ge):純度99.99%の単結晶
Ga:純度99.99999%
Al:純度99.999%
In:純度99.999%
窒素ガス:純度99.9999%
図19は、縦形パワーMOSFETの断面概略図である。この縦形パワーMOSFET100は、n+−GaN層102、n-−GaN層103、p−GaN層104の積層構造の上に、本発明に係る窒化物半導体のn+−GaN層105が形成されている。この本発明に係るn+−GaN層105のパターニング加工には全面にn+−GaN層を堆積した後に、リソグラフィー技術を用いるか、あるいは、試料表面の一部のみに窒化ガリウムの結晶面を露出させ、その露出部に選択的にn+−GaN層をエピタキシャル成長する選択成長技術を用いてもよい。なお、符号106で示したものは絶縁膜、符号101で示したものはドレイン、符号107で示したものはソース、符号108で示したものはゲートである。
図20は、GaN系LEDの断面概略図である。LED200は、窒化物半導体から成る基板201の上に、n型窒化物半導体層202、量子井戸層を含む活性層203、p型窒化物半導体層204、および本発明のn+−GaN層205が順次積層されている。
図21は、ショットキダイオードの断面概略図である。このショットキダイオード300は、裏面に本発明のn+−GaN層306を形成したn+−GaN基板301の表面にn-−GaN層302が形成され、n+−GaN層306の側にはオーミック電極303が、n-−GaN層302側にはショットキ電極304が形成されている。なお、図中に符号305で示したものは絶縁膜である。
前記窒化物半導体は、窒素と、B、Al、GaまたはInからなる群より選ばれる少なくとも1種の13族元素を含有する、導電型がn型の窒化物半導体であって、電子濃度が1×1020cm-3以上で、且つ、比抵抗が0.3×10-3Ω・cm以下であって、酸素不純物を1×10 17 cm -3 以上含有する、HEMT素子である。
2 巻きだしロール
3 巻き取りロール
4 基板フィルム
5 成膜室
10 連続成膜装置
11 チャンバ
12 基板電極
13 ターゲット電極
14 直流電源
15 電源制御部
16 窒素供給源
17 加熱装置
12a 放熱シート
21 基板
22 GaN
31 基板
32 GaN
33 絶縁層
34 絶縁層
35 コンタクトホール部
41 n型GaNコンタクト層
42 Ti層
43 Al層
44 Ni層
45 Au層
100 縦形パワーMOSFET
101 ドレイン
102 n+−GaN層
103 n-−GaN層
104 p−GaN層
105 n+−GaN層
106 絶縁膜
107 ソース
108 ゲート
200 LED
201 基板
202 n型窒化物半導体層
203 活性層
204 p型窒化物半導体層
205 n側電極
206 p側電極
300 ショットキダイオード
301 n+−GaN基板
302 n-−GaN層
303 オーミック電極
304 ショットキ電極
305 絶縁膜
306 n+−GaN層
Claims (30)
- 窒素と13族元素であるB、Al、GaまたはInからなる群より選ばれる一つの元素を含有する2元系、3元系または4元系の化合物半導体であって、
1×1017cm-3以上の酸素を不純物として含有し、
5×1019cm-3以上の電子濃度を有し、N型導電性であり、
電子移動度が46cm2/V・s以上である化合物半導体。 - GaとNを主成分とする請求項1に記載の化合物半導体。
- 405nmの波長領域の光に対する吸光係数が2000cm-1以下である請求項2に記載の化合物半導体。
- 450nmの波長領域の光に対する吸光係数が1000cm-1以下である請求項2に記載の化合物半導体。
- AFMによる表面粗さ測定で得られるRMS値が5.0nm以下である請求項1〜4のいずれか1項に記載の化合物半導体。
- N型オーミック電極金属に対するコンタクト抵抗が1×10-4Ωcm-2以下である請求項1〜5のいずれか1項に記載の化合物半導体。
- 前記13族元素としてGaを含み、さらにAl及び/またはInを含有する請求項1〜6のいずれか1項に記載の化合物半導体。
- Siをドナーとして含有する請求項1〜7のいずれか1項に記載の化合物半導体。
- Geをドナーとして含有する請求項1〜7のいずれか1項に記載の化合物半導体。
- 請求項1〜9のいずれか1項に記載の化合物半導体が用いられた導電部と電極とが接続されてなるコンタクト構造。
- 請求項10に記載のコンタクト構造が備えられた半導体素子。
- 請求項1〜9のいずれか1項に記載の化合物半導体が用いられた透明電極。
- パルススパッタリング法を用いて、酸素を含むプロセス雰囲気で請求項1〜9のいずれか1項に記載の化合物半導体を成膜する化合物半導体の製造方法。
- 請求項13の化合物半導体の製造方法において、成膜時の基板温度を700℃以下で行う化合物半導体の製造方法。
- 窒素と、B、Al、GaまたはInからなる群より選ばれる少なくとも1種の13族元素を含有する、導電型がn型の窒化物半導体であって、
電子濃度が1×1020cm-3以上で、且つ、比抵抗が0.3×10-3Ω・cm以下である、窒化物半導体。 - 前記電子濃度が2×1020cm-3以上である、請求項15に記載の窒化物半導体。
- n型オーミック電極金属に対するコンタクト抵抗が1×10-4Ωcm-2以下である、請求項15または16に記載の窒化物半導体。
- 酸素不純物を1×1017cm-3以上含有する、請求項15〜17の何れか1項に記載の窒化物半導体。
- 405nmの波長領域の光に対する吸光係数が2000cm-1以下である、請求項18に記載の窒化物半導体。
- 450nmの波長領域の光に対する吸光係数が1000cm-1以下である、請求項18に記載の窒化物半導体。
- AFMによる表面粗さ測定で得られるRMS値が5.0nm以下である、請求項15〜20の何れか1項に記載の窒化物半導体。
- 前記少なくとも1種の13族元素はGaである、請求項15〜21の何れか1項に記載の窒化物半導体。
- 前記窒化物半導体は、SiまたはGeの何れか若しくは双方をドナー不純物として含有している、請求項15〜22の何れか1項に記載の窒化物半導体。
- 比抵抗が0.2×10-3Ω・cm以上である、請求項15〜23の何れか1項に記載の窒化物半導体。
- 比抵抗が0.15×10-3Ω・cm以上である、請求項15〜23の何れか1項に記載の窒化物半導体。
- 比抵抗が0.1×10-3Ω・cm以上である、請求項15〜23の何れか1項に記載の窒化物半導体。
- (a)電子濃度が1×1020cm-3、且つ、比抵抗が0.3×10-3Ω・cm、
(b)電子濃度が3×1020cm-3、且つ、比抵抗が0.3×10-3Ω・cm、
(c)電子濃度が4×1020cm-3、且つ、比抵抗が0.15×10-3Ω・cm、
及び(d)電子濃度が9×1020cm-3、且つ、比抵抗が0.15×10-3Ω・cmの4点で囲まれた数値範囲を満たす請求項15〜24の何れか1項に記載の窒化物半導体。 - 請求項18〜27の何れか1項に記載の窒化物半導体を導電部として備えた、コンタクト構造。
- 請求項18〜27の何れか1項に記載の窒化物半導体を電極部として備えた、コンタクト構造。
- 請求項28または29に記載のコンタクト構造を備えた、半導体素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016169994 | 2016-08-31 | ||
JP2016169994 | 2016-08-31 | ||
JP2018530815A JP6432004B2 (ja) | 2016-08-31 | 2017-06-01 | 窒化物半導体及びその製造方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018530815A Division JP6432004B2 (ja) | 2016-08-31 | 2017-06-01 | 窒化物半導体及びその製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2019041113A true JP2019041113A (ja) | 2019-03-14 |
JP2019041113A5 JP2019041113A5 (ja) | 2020-07-27 |
JP6952344B2 JP6952344B2 (ja) | 2021-10-20 |
Family
ID=61300347
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018530815A Active JP6432004B2 (ja) | 2016-08-31 | 2017-06-01 | 窒化物半導体及びその製造方法 |
JP2018196889A Active JP6952344B2 (ja) | 2016-08-31 | 2018-10-18 | Hemt |
JP2018196890A Withdrawn JP2019062204A (ja) | 2016-08-31 | 2018-10-18 | Led素子とその製造方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018530815A Active JP6432004B2 (ja) | 2016-08-31 | 2017-06-01 | 窒化物半導体及びその製造方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018196890A Withdrawn JP2019062204A (ja) | 2016-08-31 | 2018-10-18 | Led素子とその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US10865469B2 (ja) |
EP (1) | EP3509088A4 (ja) |
JP (3) | JP6432004B2 (ja) |
KR (1) | KR102292543B1 (ja) |
CN (1) | CN109643645B (ja) |
TW (1) | TWI738790B (ja) |
WO (1) | WO2018042792A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10945643B2 (en) * | 2016-03-10 | 2021-03-16 | Epitronic Holdings Pte. Ltd. | Microelectronic sensor for biometric authentication |
WO2018221711A1 (ja) * | 2017-06-01 | 2018-12-06 | 国立研究開発法人科学技術振興機構 | 化合物半導体及びその製造方法 |
JP6835019B2 (ja) * | 2018-03-14 | 2021-02-24 | 株式会社豊田中央研究所 | 半導体装置及びその製造方法 |
JP2019169680A (ja) * | 2018-03-26 | 2019-10-03 | 豊田合成株式会社 | 発光素子およびその製造方法 |
JP7037991B2 (ja) * | 2018-04-02 | 2022-03-17 | 住友化学株式会社 | 導電層を備える積層体、および、半導体装置 |
CN113884765A (zh) * | 2020-07-02 | 2022-01-04 | 昆山微电子技术研究院 | 欧姆接触比接触电阻测量方法、装置、设备及存储介质 |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5278433A (en) | 1990-02-28 | 1994-01-11 | Toyoda Gosei Co., Ltd. | Light-emitting semiconductor device using gallium nitride group compound with double layer structures for the n-layer and/or the i-layer |
JP2623466B2 (ja) | 1990-02-28 | 1997-06-25 | 豊田合成株式会社 | 窒化ガリウム系化合物半導体発光素子 |
JP3762678B2 (ja) * | 2001-09-28 | 2006-04-05 | 日本電信電話株式会社 | 半導体装置 |
JP2003273398A (ja) * | 2002-03-20 | 2003-09-26 | Nippon Telegr & Teleph Corp <Ntt> | 半導体材料およびそれを用いた半導体装置 |
JP2006013473A (ja) | 2004-05-24 | 2006-01-12 | Showa Denko Kk | Iii族窒化物半導体発光素子 |
US7456445B2 (en) * | 2004-05-24 | 2008-11-25 | Showa Denko K.K. | Group III nitride semiconductor light emitting device |
JP2007243006A (ja) | 2006-03-10 | 2007-09-20 | Kyocera Corp | 窒化物系半導体の気相成長方法、及び、エピタキシャル基板とそれを用いた半導体装置 |
JP2007250727A (ja) | 2006-03-15 | 2007-09-27 | Toyota Central Res & Dev Lab Inc | 電界効果トランジスタ |
JP2008053426A (ja) * | 2006-08-24 | 2008-03-06 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
US8129208B2 (en) * | 2007-02-07 | 2012-03-06 | Tokuyama Corporation | n-Type conductive aluminum nitride semiconductor crystal and manufacturing method thereof |
JP5296995B2 (ja) | 2007-03-26 | 2013-09-25 | 公益財団法人神奈川科学技術アカデミー | 半導体素子、半導体素子の製造方法、発光素子及び電子素子 |
WO2009023722A1 (en) | 2007-08-14 | 2009-02-19 | Nitek, Inc. | Micro-pixel ultraviolet light emitting diode |
JP5044489B2 (ja) * | 2007-08-28 | 2012-10-10 | 日本碍子株式会社 | ホール素子、ホールic、およびホール素子の作製方法 |
WO2009035648A1 (en) * | 2007-09-14 | 2009-03-19 | Kyma Technologies, Inc. | Non-polar and semi-polar gan substrates, devices, and methods for making them |
JP4931013B2 (ja) | 2007-12-06 | 2012-05-16 | 株式会社神戸製鋼所 | パルススパッタ装置およびパルススパッタ方法 |
US8507364B2 (en) * | 2008-05-22 | 2013-08-13 | Toyoda Gosei Co., Ltd. | N-type group III nitride-based compound semiconductor and production method therefor |
JP2010056435A (ja) | 2008-08-29 | 2010-03-11 | Kanagawa Acad Of Sci & Technol | 化合物エピタキシャル層の製造方法および半導体積層構造 |
WO2010024411A1 (ja) * | 2008-08-29 | 2010-03-04 | 財団法人神奈川科学技術アカデミー | 化合物エピタキシャル層の製造方法、化合物エピタキシャル層、半導体積層構造および半導体発光デバイス |
JP2010070430A (ja) * | 2008-09-22 | 2010-04-02 | Sumitomo Electric Ind Ltd | 導電性窒化物半導体基板並びにその製造方法 |
CN102576653B (zh) | 2009-08-20 | 2015-04-29 | 财团法人生产技术研究奖励会 | 半导体基板、半导体层的制造方法、半导体基板的制造方法、半导体元件、发光元件、显示面板、电子元件、太阳能电池元件及电子设备 |
US8592309B2 (en) * | 2009-11-06 | 2013-11-26 | Ultratech, Inc. | Laser spike annealing for GaN LEDs |
JP4806475B2 (ja) | 2009-12-04 | 2011-11-02 | パナソニック株式会社 | 基板およびその製造方法 |
JP5821164B2 (ja) * | 2010-04-27 | 2015-11-24 | 住友電気工業株式会社 | GaN基板および発光デバイス |
KR101935755B1 (ko) | 2010-12-20 | 2019-01-04 | 토소가부시키가이샤 | 금속 갈륨 침투 질화갈륨 성형물 및 이의 제조방법 |
JP5870887B2 (ja) | 2011-09-30 | 2016-03-01 | 三菱化学株式会社 | 窒化物単結晶のアニール処理方法 |
CN104995713A (zh) * | 2013-02-18 | 2015-10-21 | 住友电气工业株式会社 | Iii族氮化物复合衬底及其制造方法,层叠的iii族氮化物复合衬底,以及iii族氮化物半导体器件及其制造方法 |
JP5839293B2 (ja) | 2013-03-29 | 2016-01-06 | ウシオ電機株式会社 | 窒化物発光素子及びその製造方法 |
US9362389B2 (en) | 2013-08-27 | 2016-06-07 | University Of Notre Dame Du Lac | Polarization induced doped transistor |
CN105518868B (zh) * | 2013-08-30 | 2019-06-28 | 国立研究开发法人科学技术振兴机构 | InGaAlN基半导体元件 |
JP5861947B2 (ja) | 2014-02-05 | 2016-02-16 | ウシオ電機株式会社 | 半導体発光素子及びその製造方法 |
JP6631950B2 (ja) | 2014-12-11 | 2020-01-15 | パナソニックIpマネジメント株式会社 | 窒化物半導体装置および窒化物半導体装置の製造方法 |
US9865721B1 (en) | 2016-06-15 | 2018-01-09 | Qorvo Us, Inc. | High electron mobility transistor (HEMT) device and method of making the same |
-
2017
- 2017-06-01 US US16/329,037 patent/US10865469B2/en active Active
- 2017-06-01 EP EP17845803.0A patent/EP3509088A4/en active Pending
- 2017-06-01 WO PCT/JP2017/020513 patent/WO2018042792A1/ja active Application Filing
- 2017-06-01 CN CN201780053614.8A patent/CN109643645B/zh active Active
- 2017-06-01 KR KR1020197009067A patent/KR102292543B1/ko active IP Right Grant
- 2017-06-01 JP JP2018530815A patent/JP6432004B2/ja active Active
- 2017-06-02 TW TW106118290A patent/TWI738790B/zh active
-
2018
- 2018-10-18 JP JP2018196889A patent/JP6952344B2/ja active Active
- 2018-10-18 JP JP2018196890A patent/JP2019062204A/ja not_active Withdrawn
-
2020
- 2020-11-02 US US17/086,753 patent/US11549172B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP6432004B2 (ja) | 2018-11-28 |
CN109643645A (zh) | 2019-04-16 |
TWI738790B (zh) | 2021-09-11 |
JPWO2018042792A1 (ja) | 2018-11-22 |
US10865469B2 (en) | 2020-12-15 |
KR20190046912A (ko) | 2019-05-07 |
KR102292543B1 (ko) | 2021-08-20 |
EP3509088A4 (en) | 2020-05-27 |
JP6952344B2 (ja) | 2021-10-20 |
US11549172B2 (en) | 2023-01-10 |
WO2018042792A1 (ja) | 2018-03-08 |
TW201825722A (zh) | 2018-07-16 |
US20190194796A1 (en) | 2019-06-27 |
US20210047720A1 (en) | 2021-02-18 |
CN109643645B (zh) | 2023-02-28 |
EP3509088A1 (en) | 2019-07-10 |
JP2019062204A (ja) | 2019-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6952344B2 (ja) | Hemt | |
EP1858088A1 (en) | Nitride semiconductor device and method of growing nitride semiconductor crystal layer | |
US8097482B2 (en) | Method for manufacturing group III nitride semiconductor, method for manufacturing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lamp | |
JPWO2008136504A1 (ja) | Iii族窒化物半導体発光素子の製造方法 | |
JP2005167275A (ja) | 半導体素子 | |
TW200917529A (en) | Group III nitride semiconductor light emitting device, process for producing the same, and lamp | |
TW201039377A (en) | Semiconductor substrate, method for making a semiconductor substrate, method for judging a semiconductor substrate, and an electronic device | |
WO2013019521A1 (en) | Method and system for doping control in gallium nitride based devices | |
JP4468744B2 (ja) | 窒化物半導体薄膜の作製方法 | |
JP6788302B2 (ja) | 化合物半導体、コンタクト構造、半導体素子、透明電極、化合物半導体の製造方法及びスパッタガン | |
JP2012151422A (ja) | 半導体ウエーハ及び半導体素子及びその製造方法 | |
TWI336523B (en) | High electron mobility epitaxial substrate | |
JP2004289005A (ja) | エピタキシャル基板、半導体素子および高電子移動度トランジスタ | |
KR101364029B1 (ko) | 질화물 반도체 소자 및 이의 제조 방법 | |
JP5179055B2 (ja) | Iii族窒化物半導体の製造方法、iii族窒化物半導体発光素子の製造方法、及びiii族窒化物半導体発光素子、並びにランプ | |
JP2011258782A (ja) | 窒化物半導体基板 | |
US10672948B2 (en) | Methods for producing light extraction structures for semiconductor devices | |
JP5917849B2 (ja) | 半導体基板および電子デバイス | |
JP2016167473A (ja) | 窒化物半導体積層基板、窒化物半導体装置および窒化物半導体積層基板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181018 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20190218 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20190227 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20190218 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20190227 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200525 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200525 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210304 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210323 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210907 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210917 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6952344 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |