Amorphous Piezo‐ and Pyroelectric Phases of BaZrO 3  and SrTiO 3 | Zendy

Ehre D. | Zendy; Lyahovitskaya V. | Zendy; Tagantsev A. | Zendy; Lubomirsky I. | Zendy

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Amorphous Piezo‐ and Pyroelectric Phases of BaZrO 3 and SrTiO 3

Author(s) -

Ehre D.,

Lyahovitskaya V.,

Tagantsev A.,

Lubomirsky I.

Publication year - 2007

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200602149

Subject(s) - pyroelectricity , materials science , amorphous solid , piezoelectricity , polar , thin film , ferroelectricity , optoelectronics , nanotechnology , composite material , crystallography , dielectric , chemistry , astronomy , physics

Pyro‐ and piezoelectric quasiamorphous thin films of BaZrO 3 and SrTiO 3 are reported. This is the first instance of a polar amorphous solid being created from a compound that does not from polar crystalline polymorphs. The pyroelectric and the piezoelectric properties of the quasi‐amorphous SrTiO 3 are of the same order of magnitude (10–50 %) as those of the most commonly used crystalline pyro‐ and piezo‐electric materials, such as BaTiO 3 , Pb(Ti,Zr)O 3 , and LiNbO 3 (see figure).

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