A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Piezoelectric composition and piezoelectric element
A piezoelectric composition containing: a complex oxide having a perovskite structure represented by a general formula of ABO3; copper; and one or more elements selected from the group consisting of chromium, nickel and zinc, in which in ABO3, an A-site element is potassium and a B-site element is niobium, or niobium and tantalum, with respect to 1 mol of the complex oxide, a content ratio of the copper is α mol % in terms of CuO, a content ratio of one or more elements selected from the group consisting of chromium, nickel and zinc is β mol % in terms of CrO3/2, NiO, ZnO, α satisfies a relationship of 0.2≤α≤2.5, and β satisfies a relationship of 0.2≤β≤2.0.
Piezoelectric composition and piezoelectric element
A piezoelectric composition containing: a complex oxide having a perovskite structure represented by a general formula of ABO3; copper; and one or more elements selected from the group consisting of chromium, nickel and zinc, in which in ABO3, an A-site element is potassium and a B-site element is niobium, or niobium and tantalum, with respect to 1 mol of the complex oxide, a content ratio of the copper is α mol % in terms of CuO, a content ratio of one or more elements selected from the group consisting of chromium, nickel and zinc is β mol % in terms of CrO3/2, NiO, ZnO, α satisfies a relationship of 0.2≤α≤2.5, and β satisfies a relationship of 0.2≤β≤2.0.
Piezoelectric composition and piezoelectric element
HIROSE MASAKAZU (author) / HIROSE YUIKO (author) / KATOH HIROKI (author) / SASAKI TAMOTSU (author) / UMEDA YUJI (author)
2022-03-08
Patent
Electronic Resource
English