Canon Kabushiki Kaisha

Tokyo Institute of Technology

National Institute of Advanced Industrial Science and Technology

Sophia School Corporation

Sophia University

Keisuke Yazawa

Makoto Kubota

Hiroshi Uchida

Hiroshi Funakubo

Toshihiro Ifuku

Jumpei Hayashi

Takayuki Watanabe

Hisato Yabuta

Kaoru Miura

Tomoaki Yamada

Takashi Iijima

Bong-Yeon Lee

Shintaro Yasui

Jun-ichi Nagata

Provided is a Bi-based piezoelectric material having good piezoelectric properties. The piezoelectric material includes a perovskite-type metal oxide represented by the following general formula (1):A(ZnTi)(MgTi)MO&#x2003;&#x2003;General formula (1)where: A represents a Bi element, or one or more kinds of elements selected from the group consisting of trivalent metal elements and containing at least a Bi element; 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&#x2266;x&#x2266;1.25, 0.4&#x2266;j&#x2266;0.6, 0.4&#x2266;k&#x2266;0.6, 0.09&#x2266;l&#x2266;0.49, 0.19&#x2266;m&#x2266;0.64, 0.13&#x2266;n&#x2266;0.48, and l+m+n=1 are satisfied.

Piezoelectric material and devices using the same

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(ZnTi)MO&#x2003;&#x2003;(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&#x2266;x&#x2266;0.6; and y represents a numerical value of 0.17&#x2266;y&#x2266;0.60.

Piezoelectric material

Growing community of inventors

Yokohama, Japan

Keisuke Yazawa