JP6407273B2 - 圧電性AlN含有層の堆積方法、並びにAlN含有圧電体層 - Google Patents
圧電性AlN含有層の堆積方法、並びにAlN含有圧電体層 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 35
- 238000000151 deposition Methods 0.000 title claims description 23
- 239000000758 substrate Substances 0.000 claims description 21
- 230000008021 deposition Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 239000011261 inert gas Substances 0.000 claims description 15
- 229910052706 scandium Inorganic materials 0.000 claims description 15
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000004544 sputter deposition Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 229910052743 krypton Inorganic materials 0.000 claims description 3
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 43
- 239000000463 material Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 9
- 238000005137 deposition process Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001552 radio frequency sputter deposition Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910000542 Sc alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- 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
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- 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
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
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Description
従って、本発明の技術的課題は、従来技術の欠点を克服する方法を提供することである。殊に、本発明による方法を用いて、c軸配向および前記圧電電荷定数d33を有する圧電性AlN含有層を100nm/分を上回る堆積速度で堆積可能であり、前記層は2μmを上回る層厚でも層の機械的応力が500MPa未満という充分に小さい値である。さらには、圧電効果のあるAlN層がもたらされる。
Claims (9)
- 真空チャンバー(1)内で少なくとも2つのターゲット(4、5)のマグネトロンスパッタを用い、前記ターゲット(4、5)の少なくとも1つはアルミニウムを含み、少なくとも反応ガスである窒素と不活性ガスとを含むガス混合物を真空チャンバー(1)内に導入する、圧電性AlN含有層を基板(2)に堆積する方法であって、マグネトロンスパッタの間に単極パルスモードと双極パルスモードとを交互に使用し、且つ前記ターゲット(4、5)が単極パルスモードにおいてスパッタされる相のパーセント割合と、前記ターゲット(4、5)が双極パルスモードでスパッタされる相のパーセント割合とが異なることを特徴とする前記方法。
- 不活性ガスとして、元素のアルゴン、クリプトンまたはキセノンの少なくとも1つを含むガスを使用することを特徴とする、請求項1に記載の方法。
- さらに、反応性ガスである酸素を真空チャンバー(1)に導入し、その際、導入される酸素の量は導入される窒素の量の最大5%であることを特徴とする、請求項1に記載の方法。
- スカンジウムを含む少なくとも1つのターゲット(4、5)を使用することを特徴とする、請求項1に記載の方法。
- スカンジウムターゲットおよびアルミニウムターゲットを同時スパッタによってスパッタすることを特徴とする、請求項4に記載の方法。
- 単極パルスモードと双極パルスモードとの間の交代を、50Hzから10kHzの範囲の周波数で実施することを特徴とする、請求項1に記載の方法。
- 圧電性AlN含有層の堆積の間、真空チャンバー(1)内の圧力を変化させることを特徴とする、請求項1に記載の方法。
- 圧電電荷定数d33を有する圧電効果のあるAlN含有層であって、該AlN含有層が式AlXNYOZ [前記式中、(0.1≦X≦1.2); (0.1≦Y≦1.2)且つ(0.001≦Z≦0.1)である]に相応するように元素の酸素も有し、且つ該AlN含有層はc軸配向しており、2μmを上回る層厚を有し且つ層の機械的応力が500MPa未満であることを特徴とする、前記AlN含有層。
- さらに、式AlXScUNYOZ [前記式中、(0.1≦X≦1.2); (0.1≦U≦1.2); (0.1≦Y≦1.2)且つ(0.001≦Z≦0.1)である]に従い、元素のスカンジウムを含むことを特徴とする、請求項8に記載の圧電効果のあるAlN含有層。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102013213935.7 | 2013-07-16 | ||
DE102013213935.7A DE102013213935B4 (de) | 2013-07-16 | 2013-07-16 | Verfahren zum Abscheiden einer piezoelektrischen AlN-haltigen Schicht |
PCT/EP2014/063225 WO2015007466A1 (de) | 2013-07-16 | 2014-06-24 | Verfahren zum abscheiden einer piezoelektrischen ain-haltigen schicht sowie eine ain-haltige piezoelektrische schicht |
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JP2016528385A JP2016528385A (ja) | 2016-09-15 |
JP6407273B2 true JP6407273B2 (ja) | 2018-10-17 |
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US (1) | US9994950B2 (ja) |
JP (1) | JP6407273B2 (ja) |
KR (1) | KR102244994B1 (ja) |
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DE102016116762B4 (de) | 2016-09-07 | 2021-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Abscheiden einer Schicht mittels einer Magnetronsputtereinrichtung |
CN107012439B (zh) * | 2017-04-20 | 2019-09-27 | 电子科技大学 | 一种钪掺杂氮化铝薄膜及其制备方法 |
EP3575437B1 (en) * | 2018-04-20 | 2023-09-06 | Shincron Co., Ltd. | Reactive sputtering device and method for forming mixture film or film of composite metal compound using same |
JP2022514421A (ja) * | 2018-12-19 | 2022-02-10 | エヴァテック・アーゲー | 化合物層を堆積させる真空システムおよび方法 |
WO2022050130A1 (ja) * | 2020-09-01 | 2022-03-10 | 株式会社デンソー | Memsセンサおよびその製造方法 |
JP7572871B2 (ja) | 2021-02-16 | 2024-10-24 | Tdk株式会社 | 圧電薄膜素子 |
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US6342134B1 (en) * | 2000-02-11 | 2002-01-29 | Agere Systems Guardian Corp. | Method for producing piezoelectric films with rotating magnetron sputtering system |
DE102004046390A1 (de) | 2004-09-24 | 2006-04-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Vakuumbeschichten mit einer photohalbleitenden Schicht und Anwendung des Verfahrens |
US20090246385A1 (en) * | 2008-03-25 | 2009-10-01 | Tegal Corporation | Control of crystal orientation and stress in sputter deposited thin films |
JP5136986B2 (ja) * | 2008-04-30 | 2013-02-06 | 独立行政法人産業技術総合研究所 | 圧電体の製造方法および圧電素子 |
US9197185B2 (en) * | 2010-04-29 | 2015-11-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Resonator device including electrodes with buried temperature compensating layers |
DE102010047963A1 (de) * | 2010-10-08 | 2012-04-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetron-Vorrichtung und Verfahren zum gepulsten Betreiben einer Magnetron-Vorrichtung |
JP5817673B2 (ja) * | 2011-11-18 | 2015-11-18 | 株式会社村田製作所 | 圧電薄膜共振子及び圧電薄膜の製造方法 |
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US20160369390A1 (en) | 2016-12-22 |
WO2015007466A1 (de) | 2015-01-22 |
KR20160060628A (ko) | 2016-05-30 |
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