JP2014157870A - ZnO含有膜成長用の原料供給源、ZnO含有膜の製造装置、製造方法及びZnO含有膜を含む発光素子 - Google Patents
ZnO含有膜成長用の原料供給源、ZnO含有膜の製造装置、製造方法及びZnO含有膜を含む発光素子 Download PDFInfo
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- 239000002994 raw material Substances 0.000 title claims abstract description 113
- 238000004519 manufacturing process Methods 0.000 title claims description 53
- 230000012010 growth Effects 0.000 title abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 100
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 239000012159 carrier gas Substances 0.000 claims abstract description 49
- 239000012495 reaction gas Substances 0.000 claims abstract description 44
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 32
- 239000000460 chlorine Substances 0.000 claims abstract description 21
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 20
- 239000001257 hydrogen Substances 0.000 claims abstract description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 abstract description 19
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 219
- 239000011787 zinc oxide Substances 0.000 description 109
- 239000007789 gas Substances 0.000 description 49
- 239000011261 inert gas Substances 0.000 description 26
- 239000011701 zinc Substances 0.000 description 24
- 239000013078 crystal Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000005424 photoluminescence Methods 0.000 description 8
- 238000005530 etching Methods 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000103 photoluminescence spectrum Methods 0.000 description 4
- 239000011343 solid material Substances 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
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Abstract
【解決手段】ZnO含有膜成長用の原料供給源10は、ZnO含有膜2Aが形成されるべき基板2を収容する反応容器20内に連通し、Znを含有する固体原料Mを収容する原料収容部10と、原料収容部を加熱するヒータH2と、原料収容部10内が常圧になるように、塩素及び水素を含まないキャリアガスを原料収容部10内に供給するキャリアガス供給源16と、反応容器20内が常圧になるように、一酸化窒素を含む反応ガスを反応容器20内に供給する反応ガス供給源32と、制御装置40と、を備え、制御装置40は、原料収容部20内にキャリアガスを供給する際に、ヒータH2を制御することにより、原料収容部10内をZnが気化する温度にする。
【選択図】図1
Description
・反応容器内圧力=1atm
・基板2:ZnO基板
・キャリアガス:N2
・反応ガス:NO+N2(NOの分圧:4.4×10−3atm)
・不活性ガス:N2
・キャリアガスの流量:300sccm
・反応ガスの流量:750sccm
・不活性ガスの流量:1200sccm
・原料収容部10内の温度:375℃
・成長時間:5時間
Claims (7)
- ZnO含有膜が形成されるべき基板を収容する反応容器内にZnO含有膜成長用の原料を供給する原料供給源であって、
前記反応容器内部に連通し、Znを含有する固体原料を収容する原料収容部と、
前記原料収容部を加熱する加熱部と、
前記原料収容部内が常圧になるように、塩素及び水素を含まないキャリアガスを前記原料収容部内に供給するキャリアガス供給源と、
前記反応容器内が常圧になるように、一酸化窒素を含む反応ガスを前記反応容器内に供給する反応ガス供給源と、
制御装置と、を備え、
前記制御装置は、前記原料収容部内に前記キャリアガスを供給する際に、前記加熱部を制御することにより、前記原料収容部内をZnが気化する温度にする、ことを特徴とするZnO含有膜成長用の原料供給源。 - ZnO含有膜が形成されるべき基板が配置される設置台と、
前記設置台を収容する反応容器と、
前記反応容器内部に連通し、Znを含有する固体原料を収容する原料収容部と、
前記設置台及び前記原料収容部を加熱する加熱部と、
前記原料収容部内が常圧になるように、塩素及び水素を含まないキャリアガスを前記原料収容部内に供給するキャリアガス供給源と、
前記反応容器内が常圧になるように、一酸化窒素を含む反応ガスを前記反応容器内に供給する反応ガス供給源と、
制御装置と、を備え、
前記制御装置は、
前記原料収容部内に前記キャリアガスを供給する際に、前記加熱部を制御することにより、前記原料収容部内をZnが気化する第1温度にするとともに、前記設置台を前記第1温度以上の第2温度にする、ことを特徴とするZnO含有膜の製造装置。 - 前記反応ガスは、酸素を含まない、ことを特徴とする請求項2に記載のZnO含有膜の製造装置。
- 前記第1温度は、300℃〜400℃であり、
前記第2温度は、400℃〜600℃である、ことを特徴とする請求項2又は3に記載のZnO含有膜の製造装置。 - ZnO含有膜が形成されるべき基板が配置される設置台と、
前記設置台を収容する反応容器と、
前記反応容器内部に連通し、Znを含有する固体原料を収容する原料収容部と、
前記設置台及び前記原料収容部を加熱する加熱部と、
前記原料収容部内が常圧になるように、塩素及び水素を含まないキャリアガスを前記原料収容部内に供給するキャリアガス供給源と、
前記反応容器内が常圧になるように、一酸化窒素を含む反応ガスを前記反応容器内に供給する反応ガス供給源と、
制御装置と、
を備える製造装置を用いたZnO含有膜の製造方法であって、
前記設置台に前記基板を設置する設置工程と、
前記制御装置が、前記キャリアガス供給源及び前記反応ガス供給源を制御することにより、前記キャリアガスを前記原料収容部内に供給するとともに、前記反応ガスを前記反応容器内に供給し、且つ、前記加熱部を制御することにより、前記原料収容部内をZnが気化する第1温度にするとともに、前記設置台を前記第1温度以上の第2温度にする、成膜工程と、
を備えることを特徴とするZnO含有膜の製造方法。 - 前記基板がZnO基板であり、
前記設置工程において、前記基板の+C面上に前記ZnO含有膜が成長するように、前記基板を設置する、ことを特徴とする請求項5に記載のZnO含有膜の製造方法。 - 常圧下において製造されたZnO含有膜を含む発光素子であって、
前記ZnO含有膜は、窒素のドーピング濃度が1×1020atm/cm3以上である、ことを特徴とするZnO含有膜を含む発光素子。
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JP2001270799A (ja) * | 2000-03-27 | 2001-10-02 | Toyo Ink Mfg Co Ltd | 酸化亜鉛薄膜およびその製造方法 |
JP2010157574A (ja) * | 2008-12-26 | 2010-07-15 | Tokyo Univ Of Agriculture & Technology | 酸化亜鉛系半導体、酸化亜鉛系半導体の製造方法および製造装置 |
JP2011501877A (ja) * | 2007-09-26 | 2011-01-13 | イーストマン コダック カンパニー | ドープ型酸化亜鉛の形成方法 |
JP2011096884A (ja) * | 2009-10-30 | 2011-05-12 | Stanley Electric Co Ltd | ZnO系化合物半導体の製造方法及び半導体発光素子 |
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JP2011501877A (ja) * | 2007-09-26 | 2011-01-13 | イーストマン コダック カンパニー | ドープ型酸化亜鉛の形成方法 |
JP2010157574A (ja) * | 2008-12-26 | 2010-07-15 | Tokyo Univ Of Agriculture & Technology | 酸化亜鉛系半導体、酸化亜鉛系半導体の製造方法および製造装置 |
JP2011096884A (ja) * | 2009-10-30 | 2011-05-12 | Stanley Electric Co Ltd | ZnO系化合物半導体の製造方法及び半導体発光素子 |
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