JP6132746B2 - 赤外線検出素子 - Google Patents
赤外線検出素子 Download PDFInfo
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- JP6132746B2 JP6132746B2 JP2013229629A JP2013229629A JP6132746B2 JP 6132746 B2 JP6132746 B2 JP 6132746B2 JP 2013229629 A JP2013229629 A JP 2013229629A JP 2013229629 A JP2013229629 A JP 2013229629A JP 6132746 B2 JP6132746 B2 JP 6132746B2
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- 229910000673 Indium arsenide Inorganic materials 0.000 claims description 68
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 claims description 68
- 238000001514 detection method Methods 0.000 claims description 37
- 239000004065 semiconductor Substances 0.000 description 28
- 230000031700 light absorption Effects 0.000 description 25
- 239000000758 substrate Substances 0.000 description 17
- 239000012535 impurity Substances 0.000 description 16
- 230000007547 defect Effects 0.000 description 13
- 230000004888 barrier function Effects 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 12
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 239000013078 crystal Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000003917 TEM image Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000011895 specific detection Methods 0.000 description 5
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000001451 molecular beam epitaxy Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- -1 conductivity type Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910017115 AlSb Inorganic materials 0.000 description 1
- 229910005542 GaSb Inorganic materials 0.000 description 1
- ZSBXGIUJOOQZMP-JLNYLFASSA-N Matrine Chemical compound C1CC[C@H]2CN3C(=O)CCC[C@@H]3[C@@H]3[C@H]2N1CCC3 ZSBXGIUJOOQZMP-JLNYLFASSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Description
・キャップ層7:InAsSb/P型/2×1018〜1×1019cm-3/0.5μm
・バリア層6:AlInAsSb/P型/2×1018〜1×1019cm-3/0.02μm
・光吸収層5:InAsSb/N-型(ノンドープ)/2×1017cm-3以下/2.0μm
・バッファ層4:InAs/N型/2×1018〜5×1018cm-3/0.5μm
・バッファ層3:InAsSb/N-型(ノンドープ)/2×1017cm-3以下/0.5μm
・バッファ層2:GaAs/半絶縁型(ノンドープ)/1×1015cm-3以下/0.2μm
・半導体基板1:GaAs/半絶縁型/1×1015cm-3以下/250μm
(実施例)
(比較例)
・キャップ層7:InAsSb/P型/0.5μm
・バリア層6:AlInAsSb/P型/0.02μm
・光吸収層5:InAsSb/N-型(ノンドープ)/2.0μm
・バッファ層:InAsSb/N型/1.0μm
・バッファ層4:上記の通りの超格子バッファ層
・バッファ層3:InAsSb/N-型(ノンドープ)/0.3μm
・バッファ層2:GaAs/半絶縁型(ノンドープ)/0.2μm
・半導体基板1:GaAs/半絶縁型250μm
Claims (4)
- 赤外線検出素子において、
第1のInAsSb層と、
前記第1のInAsSb層上に成長したInAs層と、
前記InAs層上に成長した第2のInAsSb層と、
を備え、
前記InAs層の臨界膜厚hcと前記InAs層の厚みtは、
hc<t、
の関係を満たすことを特徴とする赤外線検出素子。 - 前記第1のInAsSb層及び前記第2のInAsSb層におけるAsの組成比Xは、それぞれ0.58以上1.0以下である、
ことを特徴とする請求項1に記載の赤外線検出素子。 - 前記第1のInAsSb層及び前記第2のInAsSb層におけるAsの組成比Xは、それぞれ0.7以上0.9以下である、
ことを特徴とする請求項1に記載の赤外線検出素子。 - 前記InAs層の厚みtは、
t≦2.0μm、
を更に満たすことを特徴とする請求項1乃至3のいずれか1項に記載の赤外線検出素子。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013229629A JP6132746B2 (ja) | 2013-11-05 | 2013-11-05 | 赤外線検出素子 |
US15/033,945 US9768332B2 (en) | 2013-11-05 | 2014-10-31 | Infrared detection element |
EP14860034.9A EP3067941B1 (en) | 2013-11-05 | 2014-10-31 | Infrared detection element |
KR1020167013941A KR102264753B1 (ko) | 2013-11-05 | 2014-10-31 | 적외선 검출 소자 |
PCT/JP2014/079105 WO2015068658A1 (ja) | 2013-11-05 | 2014-10-31 | 赤外線検出素子 |
CN201480059033.1A CN105684164B (zh) | 2013-11-05 | 2014-10-31 | 红外线检测元件 |
TW103138416A TWI639244B (zh) | 2013-11-05 | 2014-11-05 | Infrared detecting element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013229629A JP6132746B2 (ja) | 2013-11-05 | 2013-11-05 | 赤外線検出素子 |
Publications (2)
Publication Number | Publication Date |
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JP2015090901A JP2015090901A (ja) | 2015-05-11 |
JP6132746B2 true JP6132746B2 (ja) | 2017-05-24 |
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JP2013229629A Active JP6132746B2 (ja) | 2013-11-05 | 2013-11-05 | 赤外線検出素子 |
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Country | Link |
---|---|
US (1) | US9768332B2 (ja) |
EP (1) | EP3067941B1 (ja) |
JP (1) | JP6132746B2 (ja) |
KR (1) | KR102264753B1 (ja) |
CN (1) | CN105684164B (ja) |
TW (1) | TWI639244B (ja) |
WO (1) | WO2015068658A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6734678B2 (ja) * | 2016-03-29 | 2020-08-05 | 旭化成エレクトロニクス株式会社 | 量子型赤外線センサ |
JP6750996B2 (ja) * | 2016-10-05 | 2020-09-02 | 旭化成エレクトロニクス株式会社 | 赤外線センサ |
JP6908367B2 (ja) * | 2016-10-19 | 2021-07-28 | 旭化成エレクトロニクス株式会社 | 赤外線発光素子 |
CN106711249B (zh) * | 2016-12-30 | 2018-04-03 | 云南师范大学 | 一种基于铟砷锑(InAsSb)材料的双色红外探测器的制备方法 |
CN106784117B (zh) * | 2016-12-30 | 2018-04-03 | 云南师范大学 | 一种短波/中波/长波三波段红外探测器的制备方法 |
US11935973B2 (en) | 2018-02-28 | 2024-03-19 | Asahi Kasei Microdevices Corporation | Infrared detecting device |
JP7027969B2 (ja) * | 2018-03-07 | 2022-03-02 | 住友電気工業株式会社 | 半導体受光素子 |
JP2019161066A (ja) * | 2018-03-14 | 2019-09-19 | 旭化成エレクトロニクス株式会社 | 赤外線センサ |
EP3803986A1 (en) * | 2018-05-29 | 2021-04-14 | IQE plc | Optoeletronic devices formed over a buffer |
JP7060530B2 (ja) | 2019-02-06 | 2022-04-26 | 旭化成エレクトロニクス株式会社 | 赤外線発光素子 |
JP2021057366A (ja) * | 2019-09-26 | 2021-04-08 | 旭化成エレクトロニクス株式会社 | 赤外線センサ |
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---|---|---|---|---|
JP2001156324A (ja) * | 1999-11-24 | 2001-06-08 | Yokogawa Electric Corp | 近赤外領域の半導体受光素子 |
JP4331936B2 (ja) * | 2002-12-19 | 2009-09-16 | 農工大ティー・エル・オー株式会社 | 化合物半導体の製造方法及び化合物半導体の製造装置 |
JP5225586B2 (ja) * | 2007-01-10 | 2013-07-03 | 住友電気工業株式会社 | 受光素子 |
TWI427824B (zh) * | 2008-03-14 | 2014-02-21 | Asahi Kasei Emd Corp | 紅外線發光元件 |
JP5266521B2 (ja) * | 2008-03-31 | 2013-08-21 | 旭化成エレクトロニクス株式会社 | 赤外線センサ、及び赤外線センサic |
JP5185205B2 (ja) * | 2009-02-24 | 2013-04-17 | 浜松ホトニクス株式会社 | 半導体光検出素子 |
JP5975417B2 (ja) * | 2010-12-01 | 2016-08-23 | 住友電気工業株式会社 | 受光素子の製造方法 |
WO2012073539A1 (ja) * | 2010-12-01 | 2012-06-07 | 住友電気工業株式会社 | 受光素子、検出装置、半導体エピタキシャルウエハ、およびこれらの製造方法 |
US9755091B2 (en) * | 2015-04-06 | 2017-09-05 | The Boeing Company | Dual-band infrared detector and method of detecting multiple bands of infrared radiation |
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KR102264753B1 (ko) | 2021-06-11 |
US20160268461A1 (en) | 2016-09-15 |
TW201523900A (zh) | 2015-06-16 |
KR20160083016A (ko) | 2016-07-11 |
EP3067941A4 (en) | 2017-07-19 |
CN105684164A (zh) | 2016-06-15 |
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EP3067941B1 (en) | 2018-05-23 |
WO2015068658A1 (ja) | 2015-05-14 |
TWI639244B (zh) | 2018-10-21 |
CN105684164B (zh) | 2018-01-23 |
US9768332B2 (en) | 2017-09-19 |
EP3067941A1 (en) | 2016-09-14 |
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