JP2000512058A - プログラマブルメタライゼーションセル構造およびその作製方法 - Google Patents
プログラマブルメタライゼーションセル構造およびその作製方法Info
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- JP2000512058A JP2000512058A JP10501650A JP50165098A JP2000512058A JP 2000512058 A JP2000512058 A JP 2000512058A JP 10501650 A JP10501650 A JP 10501650A JP 50165098 A JP50165098 A JP 50165098A JP 2000512058 A JP2000512058 A JP 2000512058A
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- dendrite
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- 238000001465 metallisation Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims description 39
- 238000004519 manufacturing process Methods 0.000 title description 18
- 210000001787 dendrite Anatomy 0.000 claims abstract description 139
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- 239000010416 ion conductor Substances 0.000 claims abstract description 87
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 48
- 229910052709 silver Inorganic materials 0.000 claims abstract description 23
- 239000004332 silver Substances 0.000 claims abstract description 23
- 150000004770 chalcogenides Chemical class 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 61
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 34
- 230000005855 radiation Effects 0.000 claims description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 11
- 230000006378 damage Effects 0.000 claims description 10
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 9
- 229910052711 selenium Inorganic materials 0.000 claims description 9
- 239000011669 selenium Substances 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 239000011593 sulfur Substances 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 8
- 229910052714 tellurium Inorganic materials 0.000 claims description 8
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 6
- -1 silver diarsenic Chemical compound 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- AOPCTAWIMYYTKA-UHFFFAOYSA-N [As].[Ag] Chemical compound [As].[Ag] AOPCTAWIMYYTKA-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 3
- 229940052288 arsenic trisulfide Drugs 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000000737 periodic effect Effects 0.000 claims 2
- UKUVVAMSXXBMRX-UHFFFAOYSA-N 2,4,5-trithia-1,3-diarsabicyclo[1.1.1]pentane Chemical compound S1[As]2S[As]1S2 UKUVVAMSXXBMRX-UHFFFAOYSA-N 0.000 claims 1
- 230000003915 cell function Effects 0.000 claims 1
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- MBEVSMZJMIQVBG-UHFFFAOYSA-N 2-(hydroxymethyl)guanidine Chemical compound NC(N)=NCO MBEVSMZJMIQVBG-UHFFFAOYSA-N 0.000 description 1
- QIHHYQWNYKOHEV-UHFFFAOYSA-N 4-tert-butyl-3-nitrobenzoic acid Chemical compound CC(C)(C)C1=CC=C(C(O)=O)C=C1[N+]([O-])=O QIHHYQWNYKOHEV-UHFFFAOYSA-N 0.000 description 1
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 241001279686 Allium moly Species 0.000 description 1
- 241001676573 Minium Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 208000000453 Skin Neoplasms Diseases 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FFCZHQLUEDCQKI-UHFFFAOYSA-N diarsenic Chemical compound [As]#[As] FFCZHQLUEDCQKI-UHFFFAOYSA-N 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052699 polonium Inorganic materials 0.000 description 1
- HZEBHPIOVYHPMT-UHFFFAOYSA-N polonium atom Chemical compound [Po] HZEBHPIOVYHPMT-UHFFFAOYSA-N 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 201000000849 skin cancer Diseases 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- VDNSGQQAZRMTCI-UHFFFAOYSA-N sulfanylidenegermanium Chemical compound [Ge]=S VDNSGQQAZRMTCI-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XPDICGYEJXYUDW-UHFFFAOYSA-N tetraarsenic tetrasulfide Chemical compound S1[As]2S[As]3[As]1S[As]2S3 XPDICGYEJXYUDW-UHFFFAOYSA-N 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0009—RRAM elements whose operation depends upon chemical change
- G11C13/0011—RRAM elements whose operation depends upon chemical change comprising conductive bridging RAM [CBRAM] or programming metallization cells [PMCs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
- G02F1/1525—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material characterised by a particular ion transporting layer, e.g. electrolyte
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
- H10N70/24—Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies
- H10N70/245—Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies the species being metal cations, e.g. programmable metallization cells
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- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
- H10N70/253—Multistable switching devices, e.g. memristors having three or more electrodes, e.g. transistor-like devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
- H10N70/257—Multistable switching devices, e.g. memristors having switching assisted by radiation or particle beam, e.g. optically controlled devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/821—Device geometry
- H10N70/823—Device geometry adapted for essentially horizontal current flow, e.g. bridge type devices
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/821—Device geometry
- H10N70/826—Device geometry adapted for essentially vertical current flow, e.g. sandwich or pillar type devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
- H10N70/882—Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
- H10N70/8822—Sulfides, e.g. CuS
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/155—Electrodes
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
- G11C2013/009—Write using potential difference applied between cell electrodes
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/50—Resistive cell structure aspects
- G11C2213/51—Structure including a barrier layer preventing or limiting migration, diffusion of ions or charges or formation of electrolytes near an electrode
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Semiconductor Memories (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Semiconductor Integrated Circuits (AREA)
- Road Paving Structures (AREA)
- Conductive Materials (AREA)
- Electrostatic Separation (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 I.プログラマブルメタライゼーションセル 1.プログラマブルメタライゼーションセルであって、金属イオンが内部に配さ れた高速イオン導電体材料で形成された本体と、該材料本体上に配置された複数 の導電電極とを有し、該電極が、該電極のうちの2つの電極間に第1の電圧が印 加されるように構成され、該第1の電圧が印加されている間に該2つの電極のう ちの負極から該2つのうちの電極の正極に向かって金属デンドライトを成長させ ることによって、該セルをプログラムするプラグラマブルメタライゼーション。 2.前記2つの電極が、前記第1の電圧と反対の極性を有する第2の電圧が該2 つの電極に印加されるように構成され、該第2の電圧が印加されている間に前記 金属デンドライトを逆成長させる、請求項1に記載のプログラマブルメタライゼ ーションセル。 3.前記2つの電極間に挿入され、金属デンドライトの成長を妨げるための電気 絶縁材料を有し、それにより、一方の電極から成長する該金属デンドライトが、 もう一方の電極と接触する点まで成長することができない、請求項1に記載のプ ログラマブルメタライゼーションセル。 4.前記高速イオン導電体が、金属イオン含有ガラスで形成される、請求項1に 記載のプログラマブルメタライゼーションセル。 5.前記高速イオン導電体が、硫黄、セレンおよびテルルからなる群から選択さ れるカルコゲニド金属イオン材料で形成される、請求項1に記載のプログラマブ ルメタライゼーションセル。 6.前記カルコゲニド金属イ才ン材料が、IB族およびIIB族金属からなる群 から選択される金属を含む、請求項5に記載のプログラマブルメタライゼーショ ンセル。 7.前記カルコゲニド金属イオン材料が、銀、銅および亜鉛からなる群から選択 される金属を含む、請求項5に記載のプログラマブルメタライゼーションセル。 8.前記高速イオン導電体が、三硫化二砒素銀からなるカルコゲニド金属イオン 材料で形成される、請求項1に記載のプログラマブルメタライゼーションセル。 9.前記高速イオン導電体が、AgAsS2を含む、請求項1に記載のプログラ マブルメタライゼーションセル。 10.金属イオンが内部に配された高速イオン導電体材料で形成された本体を提 供する工程と、該材料本体上に配置された複数の金属電極を提供する工程とを包 含するプログラマブルメタライゼーションセルを形成する方法。 11.前記複数の電極のうちの2つの電極間に第1の電圧を所定時間印加し、負 極および正極を確立し、該電圧の所定印加時間中に、該負極から該正極に向かっ て金属デンドライトを成長させるさらなる工程を含む、請求項10に記載のプロ グラマブルメタライゼーションセルをプログラムする方法。 12.前記2つの電極に第2の電圧を所定時間印加することによって、請求項1 1に記載のプログラマブルメタライゼーションセルのプログラムを変更する方法 。 13.前記第1の電圧と同じ極性の第2の電圧を印加し、前記負極から前記正極 に向かって前記金属デンドライトをさらに成長させる、請求項12に記載のプロ グラマブルメタライゼーションセルのプログラムを変更する方法。 14.前記第1の電圧と反対の極性の第2の電圧を印加し、前記金属デンドライ トの成長を逆にする、請求項12に記載のプログラマブルメタライゼーションセ ルのプログラムを変更する方法。 15.プログラマブル電気特性を有するセルであって、 表面を有する高速イオン導電体材料と、 該表面に配置されたアノードと、 該アノードと所定の距離をおいて該表面に配置されたカソードと、 該表面に形成され、該カソードと電気的に結合されるデンドライトであって、 該デンドライトは、該セルの電気特性を規定する長さを有し、該長さは、該アノ ードと該カソードとの間に印加される電圧によって変更可能である、デンドライ トと、 を有するセル。 16.前記高速イオン導電体材料が、硫黄、セレンおよびテルルからなる群から 選択されるカルコゲニド材料を含む、請求項15に記載のセル。 17.前記高速イオン導電体材料が、硫黄、セレンおよびテルルからなる群から 選択される材料、ならびに周期表のIB族またはIIB族から選択される金属を 含む、請求項15に記載のセル。 18.前記高速イオン導電体が、三硫化二砒素銀を含む、請求項17に記載のセ ル。 19.前記アノードが、銀、銅および亜鉛からなる群から選択される金属からな り、前記カソードがアルミニウムを含む、請求項17に記載のセル。 20.前記アノードが、銀−アルミニウム二重層からなり、前記カソードがアル ミニウムからなる、請求項19に記載のセル。 21.前記アノードと前記カソードとの間の前記所定距離が、数百ミクロンから 数百分の一ミクロン(hundredths of microns)の範囲である、請求項20に記 載のセル。 22.前記高速イオン導電体材料が、前記アノードと前記カソードとの間に配置 され、該アノードおよび該カソードが、平行面を形成する、請求項17に記載の セル。 23.前記セルに強度および剛性を供与するための支持基板をさらに有する、請 求項15に記載のセル。 24.前記電圧が前記カソードと前記アノードとの間に印加されているとき、前 記デンドライトの前記長さが増加し、該電圧が逆転されるとき、該デンドライト の該長さが減少する、請求項15に記載のセル。 25.前記電圧が約0.5から1.0ボルトのとき、前記デンドライトの前記長 さが10-3m/sよりも大きい速度で増加または減少する、請求項24に記載の セル。 26.前記電圧が除去されるとき、前記デンドライトがそのまま維持される、請 求項15に記載のセル。 27.前記デンドライトの前記長さに関連した電気特性を適切な時間間隔で測定 するための回路をさらに有する、請求項15に記載のセル。 28.前記高速イオン導電体材料、前記アノード、前記カソードおよび前記デン ドライトの少なくとも一部の上方に、該デンドライトの前記長さの変更を可能に しながら前記セルを損傷から保護するための層をさらに有する、請求項15に記 載のセル。 29.プログラマブルセルを形成する方法であって、 表面を有する高速イオン導電体材料を提供する工程と、 該表面にアノードを形成する工程と、 該アノードと所定の距離をおいて該表面にカソードを形成する工程と、 該表面に不揮発性デンドライトを形成する工程であって、該デンドライトは、 該カソードと電気的に結合され、該デンドライトは該プログラマブルセルの電気 特性を規定する長さを有する、工程と、 を包含する方法。 30.高速イオン導電体材料を提供する前記工程が、硫黄、セレンおよびテルル からなる群から選択されるカルコゲニド、ならびに周期表のIB族またはIIB 族から選択される金属を提供することを含む、請求項29に記載の方法。 31.高速イオン導電体材料を提供する前記工程が、三硫化二砒素銀材料を提供 することを含む、請求項30に記載の方法。 32.三硫化二砒素銀材料を提供する前記工程が、銀膜および硫化砒素層に50 0ナノメーター未満の波長の光を照射する工程を含む、請求項31に記載の方法 。 33.アノードを形成する前記工程が、銀、銅および亜鉛からなる群から選択さ れる材料でアノードを形成することを含み、カソードを形成する前記工程が、導 電材料を含むカソードを形成することを含む、請求項29に記載の方法。 34.カソードを形成する前記工程が、前記アノードと平行な面にカソードを形 成することを含む、請求項29に記載の方法。 35.前記プログラマブルセルに強度および剛性を供与するための支持基板を提 供する工程をさらに含む、請求項29に記載の方法。 36.前記デンドライトの前記長さに関連した電気特性を適切な時間間隔で測定 するための回路を提供する工程をさらに含む、請求項29に記載の方法。 37.前記高速イオン導電体材料、前記アノード、前記カソードおよび前記デン ドライトの少なくとも一部の上方に、該デンドライトの前記長さの変更を可能に しながら前記セルを損傷から保護するための層を提供する工程をさらに含む、請 求項29に記載の方法。 38.前記カソードと前記アノードとの間に電圧を印加し、前記デンドライトの 前記長さを増加または減少させる工程を含む、請求項29に記載のセルをプログ ラムする方法。 39.プログラマブルメタライゼーションセルであって、金属イオンが内部に配 された高速イオン導電体材料で形成された本体と、該材料本体上に配置されたカ ソードおよびアノードとを有し、該カソードおよび該アノードが、該カソードと 該アノードとの間に第1の電圧が印加されるように構成され、該第1の電圧が該 カソードと該アノードとの間に印加されている間に該カソードから該アノードに 向かって金属デンドライトを成長させることによって、該セルをプログラムし、 該本体内に設けられた少なくとも1つのさらなる電極をさらに有し、絶縁材料が 、該少なくとも1つのさらなる電極を該金属デンドライトおよび該高速イオン導 電体から絶縁し、それによって、該カソード、該アノード、および該少なくとも 1つのさらなる電極のいずれか2つの間で測定される電気特性が、該金属デンド ライトの成長に従って変化する、セル。 40.前記高速イオン導電体材料が、硫黄、セレンおよびテルルからなる群から 選択されるカルコゲニドであり、前記金属イオンが、銀、銅および亜鉛からなる 群から選択される金属で形成される、請求項39に記載のプログラマブルメタラ イゼーションセル。 41.前記絶縁材料が、前記金属デンドライトの成長に従って変化する前記電気 特性が電気容量となるように、誘電体を含む、請求項40に記載のプログラマブ ルメタライゼーションセル。 42.前記絶縁材料が、前記金属デンドライトの成長に従って変化する前記電気 特性が抵抗となるように、抵抗性材料を含む、請求項40に記載のプログラマブ ルメタライゼーションセル。 43.プログラマブルメタライゼーションセルであって、硫黄、セレンおよびテ ルルからなる群から選択されるカルコゲニド材料で形成された高速導電体材料で 形成され、銀、銅および亜鉛からなる群から選択される金属イオンが内部に配さ れた本体と、該材料本体上に配置されたカソードとアノードとを有し、該カソー ドおよび該アノードが、該カソードと該アノードとの間に第1の電圧が印加され るように形成され、該第1の電圧が該カソードと該アノードとの間に印加されて いる間に該カソードから該アノードに向かって金属デンドライトを成長させるこ とによって、該セルをプログラムし、該本体内に少なくとも2つのさらなる電極 をさらに有し、材料が、該少なくとも2つのさらなる電極を該金属デンドライト および該高速イオン導電体から絶縁し、それによって、該カソード、該アノード 、および該少なくとも2つのさらなる電極のいずれか2つの間で測定される電気 特性が、該金属デンドライトの成長に従って変化する、セル。 44.前記絶縁材料が、前記金属デンドライトの成長に従って変化する前記電気 特性が電気容量となるように、誘電体を含む、請求項43に記載のプログラマブ ルメタライゼーションセル。 45.前記絶縁材料が、前記金属デンドライトの成長に従って変化する前記電気 特性が抵抗となるように、抵抗性材料を含む、請求項43に記載のプログラマブ ルメタライゼーションセル。 II.金属デンドライトメモリ 46.請求項1から9、15から28、および39から45のいずれかに記載の プログラマブルメタライゼーションセルを有する、不揮発性メモリ素子。 47.請求項10から14および29から38のいずれかに記載のプログラマブ ルメタライゼーションセルを形成する工程を含む、不揮発性メモリ素子を形成す る方法。 III.プログラマブル抵抗/容量デバイス 48.請求項1から9、15から28、および39から45のいずれかに記載の プログラマブルメタライゼーションセルを有する、プログラマブル抵抗素子。 49.請求項10から14および29から38のいずれかに記載のプログラマブ ルメタライゼーションセルを形成する工程を含む、プログラマブル抵抗素子を形 成する方法。 50.請求項1から9、15から28、および39から45のいずれかに記載の プログラマブルメタライゼーションセルを有する、プログラマブル電気容量素子 。 51.請求項10から14および29から38のいずれかに記載のプログラマブ ルメタライゼーションセルを形成する工程を含む、プログラマブル電気容量素子 を形成する方法。 IV.電気光学デバイス 52.光透過モードと光阻止または反射モードとの間で切り替わる光学デバイス であって、請求項1から9、15から28、および39から45のいずれかに記 載のプログラマブルメタライゼーションセルを有し、電圧が印加され、前記金属 デンドライトを形成する前記2つの電極が、比較的横方向に大きく、比較的横方 向に大きな金属デンドライトを成長させるように機能し、前記高速イオン導電体 が、いくらかの波長の光に対して透明な少なくとも1つの部分を有し、該デンド ライトの形成をプログラムすることによって選択的に該高速イオン導電体の光の 透過を阻止および該高速イオン導電体に光を透過させる、光学デバイス。 53.光学スイッチを形成する方法であって、請求項10から14および29か ら38のいずれかに記載のプログラマブルメタライゼーションセルを形成するこ とを含み、電圧が間に印加され、金属デンドライトの成長をプログラムする前記 2つの電極が、比較的横方向に大きく、前記高速イオン導電体が、いくらかの波 長の光に対して透明な少なくとも1つの部分を有し、それによって、デンドライ ト成長が選択的に制御され、該高速イオン導電体の該透明部分をブロックまたは アンブロックし、該透明部分を透過するように方向づけられた光に対して光学ス イッチとして作用する、方法。 V.光および短波長放射センサ 54.請求項1から9、15から28、および39から45のいずれかに従って 形成されるプログラマブルメタライゼーションセルを有する放射センサであって 、前記高速イオン導電体が、電圧が印加されデンドライト成長をプログラムする 前記2つの電極間のデンドライト成長の軸と整列する位置で、該高速イオン導電 体内に形成された光および短波長放射に対して透明な部分を有し、それによって 、該2つの電極間の所定印加電圧に応じる該金属デンドライトの形成または分解 速度が、該高速イオン導電体の該透明部分に入射される光または放射に依存し、 該プログラマブルメタライゼーションセルが、光または放射センサとして機能す る、放射センサ。 55.放射センサを形成する方法であって、請求項10から14および29から 38のいずれかに記載のプログラマブルメタライゼーションを形成することを含 み、前記高速イオン導電体が、光または短波長放射に透明な少なくとも1つの部 分を有し、所定の電圧が、前記2つの電極に絶えず印加され、それによって、前 記デンドライトの成長または分解速度が、入射光または入射短波長放射の強度の 指標として機能する、方法。
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JP2003092387A (ja) * | 2001-09-19 | 2003-03-28 | Akira Doi | イオン伝導体のイオン伝導を利用した記憶素子 |
WO2004084306A1 (ja) * | 2003-03-20 | 2004-09-30 | Sony Corporation | 記憶素子及びこれを用いた記憶装置 |
JP2005501426A (ja) * | 2001-08-29 | 2005-01-13 | マイクロン テクノロジー インコーポレイテッド | 不揮発性抵抗可変装置の形成方法及びメモリ回路のプログラマブルメモリセルの形成方法 |
JP2005502197A (ja) * | 2001-08-30 | 2005-01-20 | マイクロン テクノロジー インコーポレイテッド | 金属をドープしたカルコゲニド材料を使用する集積回路装置及び製造 |
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HK1023844A1 (en) | 2000-09-22 |
EP0939957A4 (en) | 2002-08-07 |
US5914893A (en) | 1999-06-22 |
TW356549B (en) | 1999-04-21 |
US5761115A (en) | 1998-06-02 |
AU3292697A (en) | 1998-01-07 |
CA2261639A1 (en) | 1997-12-18 |
KR100349927B1 (ko) | 2002-12-18 |
KR20000016088A (ko) | 2000-03-25 |
DE69734007T2 (de) | 2006-04-13 |
JP2005322942A (ja) | 2005-11-17 |
EP0939957B1 (en) | 2005-08-17 |
WO1997048032A3 (en) | 1998-02-05 |
EP0939957A2 (en) | 1999-09-08 |
CA2261639C (en) | 2002-02-12 |
DE69734007D1 (de) | 2005-09-22 |
US5896312A (en) | 1999-04-20 |
WO1997048032A2 (en) | 1997-12-18 |
CN1144231C (zh) | 2004-03-31 |
CN1226990A (zh) | 1999-08-25 |
AU716236B2 (en) | 2000-02-24 |
ATE302463T1 (de) | 2005-09-15 |
US6084796A (en) | 2000-07-04 |
WO1997048032A8 (en) | 2000-08-10 |
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