JP5813763B2 - 酸化物型半導体材料及びスパッタリングターゲット - Google Patents
酸化物型半導体材料及びスパッタリングターゲット Download PDFInfo
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- JP5813763B2 JP5813763B2 JP2013517916A JP2013517916A JP5813763B2 JP 5813763 B2 JP5813763 B2 JP 5813763B2 JP 2013517916 A JP2013517916 A JP 2013517916A JP 2013517916 A JP2013517916 A JP 2013517916A JP 5813763 B2 JP5813763 B2 JP 5813763B2
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- 239000000463 material Substances 0.000 title claims description 44
- 239000004065 semiconductor Substances 0.000 title claims description 41
- 238000005477 sputtering target Methods 0.000 title claims description 5
- 238000004544 sputter deposition Methods 0.000 claims description 20
- 239000002019 doping agent Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 29
- 238000010438 heat treatment Methods 0.000 description 20
- 239000000758 substrate Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 13
- 239000004973 liquid crystal related substance Substances 0.000 description 13
- 238000005259 measurement Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000010409 thin film Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 229910052718 tin Inorganic materials 0.000 description 7
- 230000004044 response Effects 0.000 description 5
- 230000005355 Hall effect Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910007604 Zn—Sn—O Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 108091006149 Electron carriers Proteins 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910007541 Zn O Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Description
Rs=ρ/t
ρ=1/(e・N・μ)
(Rs:シート抵抗値、ρ:比抵抗値(体積抵抗率)、N:キャリア密度、μ:キャリア移動度、t膜厚)
つまり、特許文献5のように、シート抵抗値しか判らない場合、膜厚やキャリア移動度が特定できないと、キャリア密度が特定することができない。このようなことから、IGZOの代替材料としてのZTOに関しても、更なる改善が求められているのが現状である。
Claims (2)
- ドーパントとしてZrを含有する、Zn酸化物とSn酸化物とからなる酸化物型半導体材料であって、
Znの金属元素の原子数をA、Snの金属元素の原子数をBとした場合、A/(A+B)=0.4〜0.8となる割合で含有し、
Zr含有量は、金属元素としてのZnの原子数をx、Snの原子数をy、Zrの原子数をzとした場合、z/(x+y+z)≦0.005であることを特徴とする酸化物型半導体材料。 - ドーパントとしてZrを含有する、Zn酸化物とSn酸化物とからなるスパッタリングターゲットであって、
Znの金属元素の原子数をA、Snの金属元素の原子数をBとした場合、A/(A+B)=0.4〜0.8となる割合で含有し、
Zr含有量は、金属元素としてのZnの原子数をx、Snの原子数をy、Zrの原子数をzとした場合、z/(x+y+z)≦0.005であることを特徴とするスパッタリングターゲット。
Priority Applications (1)
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JP2013517916A JP5813763B2 (ja) | 2011-05-27 | 2012-04-06 | 酸化物型半導体材料及びスパッタリングターゲット |
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JP2011118804 | 2011-05-27 | ||
JP2011118804 | 2011-05-27 | ||
PCT/JP2012/059486 WO2012165047A1 (ja) | 2011-05-27 | 2012-04-06 | 酸化物型半導体材料及びスパッタリングターゲット |
JP2013517916A JP5813763B2 (ja) | 2011-05-27 | 2012-04-06 | 酸化物型半導体材料及びスパッタリングターゲット |
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JPWO2012165047A1 JPWO2012165047A1 (ja) | 2015-02-23 |
JP5813763B2 true JP5813763B2 (ja) | 2015-11-17 |
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JP (1) | JP5813763B2 (ja) |
KR (1) | KR101523333B1 (ja) |
CN (1) | CN103608924B (ja) |
TW (1) | TWI579393B (ja) |
WO (1) | WO2012165047A1 (ja) |
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JP6144858B1 (ja) * | 2016-04-13 | 2017-06-07 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにそれらの製造方法 |
JP6557750B1 (ja) * | 2018-03-16 | 2019-08-07 | 株式会社コベルコ科研 | スパッタリングターゲット材、及びスパッタリングターゲット |
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WO2007142330A1 (ja) * | 2006-06-08 | 2007-12-13 | Asahi Glass Company, Limited | 透明導電膜およびその製造方法、ならびにその製造に使用されるスパッタリングターゲット |
US8461583B2 (en) * | 2007-12-25 | 2013-06-11 | Idemitsu Kosan Co., Ltd. | Oxide semiconductor field effect transistor and method for manufacturing the same |
JP2010050165A (ja) * | 2008-08-19 | 2010-03-04 | Sumitomo Chemical Co Ltd | 半導体装置、半導体装置の製造方法、トランジスタ基板、発光装置、および、表示装置 |
KR101623958B1 (ko) * | 2008-10-01 | 2016-05-25 | 삼성전자주식회사 | 인버터 및 그의 동작방법과 인버터를 포함하는 논리회로 |
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- 2012-04-06 CN CN201280018536.5A patent/CN103608924B/zh active Active
- 2012-04-06 KR KR1020137027136A patent/KR101523333B1/ko active IP Right Grant
- 2012-04-06 WO PCT/JP2012/059486 patent/WO2012165047A1/ja active Application Filing
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CN103608924B (zh) | 2016-08-10 |
WO2012165047A1 (ja) | 2012-12-06 |
KR101523333B1 (ko) | 2015-05-27 |
KR20130136537A (ko) | 2013-12-12 |
TWI579393B (zh) | 2017-04-21 |
TW201303049A (zh) | 2013-01-16 |
CN103608924A (zh) | 2014-02-26 |
JPWO2012165047A1 (ja) | 2015-02-23 |
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