Crystal structures and phase transitions in a-site deficient perovskites Ln1/3TaO3

The synthesis and structures of the perovskites Ln1/3TaO 3 are described. As the size of the Ln cation is reduced, the compounds display a sequence of structure: P4/mmm/La → Cmmm/Ce-Gd → Pmma/Tb, Dy → Pmc21/Ho, Er. Although apparently tetragonal in P4/mmm, electron diffraction patterns of Tm1/3TaO3...

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Detaylı Bibliyografya
Asıl Yazarlar: Zhou, Q, Saines, P, Sharma, N, Ting, J, Kennedy, B, Zhang, Z, Withers, R, Wallwork, K
Materyal Türü: Journal article
Dil:English
Baskı/Yayın Bilgisi: 2008