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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-02-18
摘要
An argument that relaxor ferroelectricity in the isovalent alloy Ba(Zr1-xTix)O-3 can be understood as an induced-moment soft pseudospin glass on the B ions of the ABO(3) matrix [Sherrington, Phys. Rev. Lett. 111, 227601 (2013)] is extended to the experimentally paradigmatic but theoretically more complex heterovalent relaxor Pb(Mg1/3Nb2/3)O-3. It is argued that interesting behavior of the onset of non遍歷ity, frequency-dependent permittivity peaks, and precursor nanodomains can be understood from analogous considerations of the B ions, with the displacements of the Pb ions a largely independent, but distracting, side feature. This contrasts with conventional conceptualizations.
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