Piezoelectric material
AssigneesCanon Kabushiki Kaisha, Sophia University, Tokyo Institute of Technology
InventorsMakoto Kubota, Toshihiro Ifuku, Hiroshi Funakubo, Keisuke Yazawa, Hiroshi Uchida, Takashi Iijima, Bong-yeon Lee
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Abstract
Provided is a piezoelectric material having a high Curie temperature and satisfactory piezoelectric characteristics, the piezoelectric material being represented by the following general formula (1): A(ZnxTi(1-x))yM(1-y)O3 (1) where A represents a Bi element, M represents at least one element selected from Fe, Al, Sc, Mn, Y, Ga, and Yb; x represents a numerical value of 0.4≦x≦0.6; and y represents a numerical value of 0.17≦y≦0.60.
Claims9
A piezoelectric material comprising a crystal system which contains at least a monoclinic structure and which is represented by the following general formula (1):
- A(ZnxTi(1-x))yM(1-y)O3 (1)
- where A represents a Bi element, M represents at least one element selected from Fe, Al, Sc, Mn, Y, Ga, and Yb;
- x represents a numerical value of 0.4≦x≦0.6;
- and y represents a numerical value of 0.17≦y≦0.60.
Dependencies are inferred from the claim text.