x-T phase diagram of La-substituted BiFeO3-PbTiO3 | Zendy

K. K. Mishra | Zendy; R. M. Sarguna | Zendy; Shabana Khan | Zendy; Akhilesh Arora | Zendy

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x-T phase diagram of La-substituted BiFeO3-PbTiO3

Author(s) -

K. K. Mishra,

R. M. Sarguna,

Shabana Khan,

Akhilesh Arora

Publication year - 2011

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3624906

Subject(s) - tetragonal crystal system , crystallite , phase diagram , solid solution , materials science , diffraction , phase (matter) , phase transition , x ray crystallography , crystallography , diagram , analytical chemistry (journal) , crystal structure , chemistry , condensed matter physics , metallurgy , physics , optics , statistics , mathematics , organic chemistry , chromatography

Single-phase polycrystalline powders of 0.5(Bi1-xLax)FeO3-0.5PbTiO3 solid-solution were synthesized for x ≤ 0.3 using solid-state reaction method. The mixed crystals exhibit a tetragonal structure at ambient and the c/a ratio decreases with x. In-situ X-ray diffraction measurements at elevated temperatures show a structural transition to a cubic phase. The transition temperatures have been obtained for different x and a x-T phase diagram has been proposed

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