JP7345855B2 - 窒化物材料およびそれからなる圧電体並びにその圧電体を用いたmemsデバイス - Google Patents
窒化物材料およびそれからなる圧電体並びにその圧電体を用いたmemsデバイス Download PDFInfo
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- JP7345855B2 JP7345855B2 JP2020168462A JP2020168462A JP7345855B2 JP 7345855 B2 JP7345855 B2 JP 7345855B2 JP 2020168462 A JP2020168462 A JP 2020168462A JP 2020168462 A JP2020168462 A JP 2020168462A JP 7345855 B2 JP7345855 B2 JP 7345855B2
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- piezoelectric
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- 239000000463 material Substances 0.000 title claims description 47
- 150000004767 nitrides Chemical class 0.000 title claims description 32
- 230000015654 memory Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 45
- 229910052706 scandium Inorganic materials 0.000 description 17
- 125000004429 atom Chemical group 0.000 description 16
- 238000004364 calculation method Methods 0.000 description 14
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 14
- 238000004088 simulation Methods 0.000 description 11
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 229910052984 zinc sulfide Inorganic materials 0.000 description 9
- 230000010287 polarization Effects 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 230000002269 spontaneous effect Effects 0.000 description 7
- 229910052769 Ytterbium Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical group N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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- Micromachines (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
(実施形態1)
図2に、Ybの濃度Xと、得られた圧電体の格子定数比c/aとの関係を示す。
(他の実施形態)
Claims (9)
- 化学式Al1-XYbXNで表され、ウルツ鉱型の結晶構造を有し、Xの値が0.37以上で0.60より小さく、かつ格子定数比c/aが1.43以上で1.53より小さい範囲にあることを特徴とする窒化物材料。
- Xの値が0.37以上で0.50より小さく、かつ格子定数比c/aが1.47以上で1.53より小さい範囲にあることを特徴とする請求項1に記載の窒化物材料。
- Xの値が0.50以上で0.60より小さく、かつ格子定数比c/aが1.43以上で1.47より小さい範囲にあることを特徴とする請求項1に記載の窒化物材料。
- Xの値が0.44以上で0.52以下、かつ格子定数比c/aが1.47以上で1.50以下の範囲にあることを特徴とする請求項1に記載の窒化物材料。
- Xの値が0.39以上で0.52以下、かつ格子定数比c/aが1.47以上で1.52以下の範囲にあることを特徴とする請求項1に記載の窒化物材料。
- Xの値が0.37以上で0.54以下、かつ格子定数比c/aが1.45以上で1.53以下の範囲にあることを特徴とする請求項1に記載の窒化物材料。
- 請求項1~6の何れか1項に記載の窒化物材料からなる圧電体。
- 請求項7に記載の圧電体を用いたMEMSデバイス。
- 請求項1~6の何れか1項に記載の窒化物材料からなるトランジスタ、インバーターまたは強誘電体メモリ。
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JP2020031536 | 2020-02-27 | ||
JP2020031536 | 2020-02-27 |
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JP2021134137A JP2021134137A (ja) | 2021-09-13 |
JP7345855B2 true JP7345855B2 (ja) | 2023-09-19 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7085208B2 (ja) * | 2018-12-11 | 2022-06-16 | 国立研究開発法人産業技術総合研究所 | 圧電体およびそれを用いたmemsデバイス |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009010926A (ja) | 2007-05-31 | 2009-01-15 | National Institute Of Advanced Industrial & Technology | 圧電体薄膜、圧電体およびそれらの製造方法、ならびに当該圧電体薄膜を用いた圧電体共振子、アクチュエータ素子および物理センサー |
US20170263847A1 (en) | 2016-03-09 | 2017-09-14 | Teledyne Dalsa Semiconductor, Inc. | Piezoelectric Alloy Films |
JP2017201050A (ja) | 2016-05-06 | 2017-11-09 | 学校法人早稲田大学 | 圧電体薄膜及びそれを用いた圧電素子 |
US20190013458A1 (en) | 2017-07-07 | 2019-01-10 | Skyworks Solutions, Inc. | Substituted aluminum nitride for improved acoustic wave filters |
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2020
- 2020-10-05 JP JP2020168462A patent/JP7345855B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009010926A (ja) | 2007-05-31 | 2009-01-15 | National Institute Of Advanced Industrial & Technology | 圧電体薄膜、圧電体およびそれらの製造方法、ならびに当該圧電体薄膜を用いた圧電体共振子、アクチュエータ素子および物理センサー |
US20170263847A1 (en) | 2016-03-09 | 2017-09-14 | Teledyne Dalsa Semiconductor, Inc. | Piezoelectric Alloy Films |
JP2017201050A (ja) | 2016-05-06 | 2017-11-09 | 学校法人早稲田大学 | 圧電体薄膜及びそれを用いた圧電素子 |
US20190013458A1 (en) | 2017-07-07 | 2019-01-10 | Skyworks Solutions, Inc. | Substituted aluminum nitride for improved acoustic wave filters |
Non-Patent Citations (1)
Title |
---|
天野 雄貴,Yb添加によるAlN薄膜の圧電性の向上,第66回応用物理学会春季学術講演会 講演予稿集,日本,応用物理学会,2019年,P. 07-034,セッションID:10a-PA4-8 |
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