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公开(公告)号:EP2537195B1
公开(公告)日:2015-04-22
申请号:EP11709224.7
申请日:2011-02-28
发明人: KUBOTA, Makoto , MIURA, Kaoru , YABUTA, Hisato , WATANABE, Takayuki , HAYASHI, Jumpei , FUNAKUBO, Hiroshi , YAMADA, Tomoaki , YASUI, Shintaro , YAZAWA, Keisuke , UCHIDA, Hiroshi , NAGATA, Jyunichi
CPC分类号: H01L41/18 , C04B35/01 , C04B35/016 , C04B35/2625 , C04B35/44 , C04B35/453 , C04B35/475 , C04B35/6325 , C04B2235/3206 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3232 , C04B2235/3267 , C04B2235/3272 , C04B2235/3284 , C04B2235/3286 , C04B2235/3298 , C04B2235/449 , C04B2235/76 , C04B2235/765 , C04B2235/768 , C04B2235/787 , H01L41/0805 , H01L41/0973 , H01L41/1878 , H01L41/316 , H01L41/318 , H02N2/106 , H02N2/163
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公开(公告)号:EP2537195A1
公开(公告)日:2012-12-26
申请号:EP11709224.7
申请日:2011-02-28
发明人: KUBOTA, Makoto , MIURA, Kaoru , YABUTA, Hisato , WATANABE, Takayuki , HAYASHI, Jumpei , FUNAKUBO, Hiroshi , YAMADA, Tomoaki , YASUI, Shintaro , YAZAWA, Keisuke , UCHIDA, Hiroshi , NAGATA, Jyunichi
CPC分类号: H01L41/18 , C04B35/01 , C04B35/016 , C04B35/2625 , C04B35/44 , C04B35/453 , C04B35/475 , C04B35/6325 , C04B2235/3206 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3232 , C04B2235/3267 , C04B2235/3272 , C04B2235/3284 , C04B2235/3286 , C04B2235/3298 , C04B2235/449 , C04B2235/76 , C04B2235/765 , C04B2235/768 , C04B2235/787 , H01L41/0805 , H01L41/0973 , H01L41/1878 , H01L41/316 , H01L41/318 , H02N2/106 , H02N2/163
摘要: Provided is a Bi-based piezoelectric material having good piezoelectric properties. The piezoelectric material includes a perovskite-type metal oxide represented by the general formula A
x (Zn
j Ti
(1-j) )
1 (Mg
k Ti
(1-k) )
m M
n O
3 , where A represents Bi, optionally containing one or more elements selected from the group consisting of trivalent metal elements; M represents at least one kind of an element selected from the group consisting of Fe, Al, Sc, Mn, Y, Ga, and Yb; and 0.9 ≤x≤1.25, 0.4≤j≤0.6, 0.4≤k≤0.6, 0.09≤1≤0.49, 0.19≤m≤0.64, 0.13≤n≤0.48, and 1+m+n=1 are satisfied.
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