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PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC DEVICE
PROBLEM TO BE SOLVED: To provide: a piezoelectric composition which has a piezoelectric property, such as intrinsic polarization and exhibits a large displacement and which is superior from the standpoints of low pollution, environmental resistance, and ecology; and a piezoelectric device.SOLUTION: A piezoelectric composition 11 comprises, as a primary component, a material of a perovskite structure expressed by the following general formula: (BiNa)(TiMgMe)O, where 0.05≤x≤0.7, 0.01≤y≤0.7, 0.01≤z≤0.6, and 0.75≤m≤1.0 (x+y+z=1; and Me is at least one transition metal element selected from Mn, Cr, Fe and Co).
【課題】自発分極等の圧電特性と変位が大きく、さらには低公害化、対環境性および生態学的見地からも、優れた圧電組成物および圧電素子を提供する。【解決手段】圧電組成物11の主成分が、ペロブスカイト型構造の下記一般式(Bi(0.5x+y+z)Na0.5x)m(Ti(x+0.5y)Mg0.5yMez)O3、0.05≰x≰0.7、0.01≰y≰0.7、0.01≰z≰0.6、0.75≰m≰1.0(但し、x+y+z=1、遷移金属元素Meは、Mn、Cr、Fe又はCoから選ばれるいずれか1種以上)である。【選択図】図1
PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC DEVICE
PROBLEM TO BE SOLVED: To provide: a piezoelectric composition which has a piezoelectric property, such as intrinsic polarization and exhibits a large displacement and which is superior from the standpoints of low pollution, environmental resistance, and ecology; and a piezoelectric device.SOLUTION: A piezoelectric composition 11 comprises, as a primary component, a material of a perovskite structure expressed by the following general formula: (BiNa)(TiMgMe)O, where 0.05≤x≤0.7, 0.01≤y≤0.7, 0.01≤z≤0.6, and 0.75≤m≤1.0 (x+y+z=1; and Me is at least one transition metal element selected from Mn, Cr, Fe and Co).
【課題】自発分極等の圧電特性と変位が大きく、さらには低公害化、対環境性および生態学的見地からも、優れた圧電組成物および圧電素子を提供する。【解決手段】圧電組成物11の主成分が、ペロブスカイト型構造の下記一般式(Bi(0.5x+y+z)Na0.5x)m(Ti(x+0.5y)Mg0.5yMez)O3、0.05≰x≰0.7、0.01≰y≰0.7、0.01≰z≰0.6、0.75≰m≰1.0(但し、x+y+z=1、遷移金属元素Meは、Mn、Cr、Fe又はCoから選ばれるいずれか1種以上)である。【選択図】図1
PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC DEVICE
圧電組成物および圧電素子
MASAI MIGAKU (Autor:in) / KATO HIROKI (Autor:in) / FURUKAWA MASAHITO (Autor:in)
17.09.2015
Patent
Elektronische Ressource
Japanisch