JP7147219B2 - 誘電体膜および誘電体素子 - Google Patents
誘電体膜および誘電体素子 Download PDFInfo
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- JP7147219B2 JP7147219B2 JP2018061459A JP2018061459A JP7147219B2 JP 7147219 B2 JP7147219 B2 JP 7147219B2 JP 2018061459 A JP2018061459 A JP 2018061459A JP 2018061459 A JP2018061459 A JP 2018061459A JP 7147219 B2 JP7147219 B2 JP 7147219B2
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 12
- 150000004706 metal oxides Chemical class 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 10
- 238000002441 X-ray diffraction Methods 0.000 claims description 9
- 229910052788 barium Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 239000010408 film Substances 0.000 description 74
- 238000000034 method Methods 0.000 description 27
- 230000000052 comparative effect Effects 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 239000010409 thin film Substances 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003196 poly(1,3-dioxolane) Polymers 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Description
Claims (5)
- 主成分として、一般式(Ba,Ca)(Ti,Zr)O3で表される立方晶系の結晶構造を有する金属酸化物を含む配向膜であって、
膜厚方向に関して、(100)面の配向度>(110)面の配向度、および、(111)面の配向度>(110)面の配向度の少なくとも一方の関係を満たし、
主成分として含む前記金属酸化物が一般式(Ba 1-x Ca x ) z (Ti 1-y Zr y )O 3 で表され、0.001≦x≦0.500、0.001≦y≦0.400、かつ、0.995<z<1.040を満たす、誘電体膜。 - 膜厚方向に関するX線回折チャートにおいて、(111)面の回折ピークの積分強度が(100)面の回折ピークの積分強度より高い、請求項1に記載の誘電体膜。
- 副成分として、Mn、Cu、Cr、Al、Ga、In、Vおよび希土類元素からなる群の少なくとも1種を含む、請求項1または2に記載の誘電体膜。
- 前記主成分100molに対して前記副成分を0.01mol~7.00mol含む、請求項3に記載の誘電体膜。
- 請求項1~4のいずれか一項に記載の誘電体膜と電極とを備える、誘電体素子。
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JP2018061459A JP7147219B2 (ja) | 2018-03-28 | 2018-03-28 | 誘電体膜および誘電体素子 |
US16/359,824 US10991510B2 (en) | 2018-03-28 | 2019-03-20 | Dielectric membrane and dielectric element |
US16/702,280 US11462339B2 (en) | 2018-03-28 | 2019-12-03 | Dielectric film, dielectric element, and electronic circuit board |
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JP7147219B2 true JP7147219B2 (ja) | 2022-10-05 |
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JP7102243B2 (ja) * | 2018-06-20 | 2022-07-19 | キヤノン株式会社 | 配向性圧電体膜、およびその製造方法、並びに、液体吐出ヘッド |
JP7167955B2 (ja) * | 2020-03-24 | 2022-11-09 | 株式会社村田製作所 | 積層セラミック電子部品 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000299248A (ja) | 1999-04-16 | 2000-10-24 | Matsushita Electric Ind Co Ltd | 高誘電体薄膜コンデンサ及びその製造方法 |
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JP2008028381A (ja) | 2006-06-20 | 2008-02-07 | Tdk Corp | 金属酸化物膜の製造方法、積層体、及び、電子デバイス |
JP2009246242A (ja) | 2008-03-31 | 2009-10-22 | National Institute Of Advanced Industrial & Technology | ペロブスカイト構造酸化物の製造方法 |
JP2011079717A (ja) | 2009-10-09 | 2011-04-21 | Murata Mfg Co Ltd | 誘電体セラミックおよび積層セラミックコンデンサ |
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