ChemInform Abstract: Phase Transitions in the Ruddlesden—Popper Phase Li2CaTa2O7: X-Ray and Neutron Powder Thermodiffraction, TEM, Raman, and SHG Experiments.

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• 作者：Cyrille Galven ; Denis Mounier ; Boris Bouchevreau ; Emmanuelle Suard ; Alain Bulou ; Marie-Pierre Crosnier-Lopez and Francoise Le Berre
• 关键词：structure (solids and liquids) ; lithium ; Li ; calcium ; Ca ; tantalum ; Ta ; IR and Raman spectra (solids and liquids)
• 刊名：ChemInform
• 出版年：2016
• 出版时间：April, 2016
• 年：2016
• 卷：47
• 期：20
• 全文大小：25K
• ISSN：1522-2667

文摘

Li₂CaTa₂O₇ is prepared by solid state reaction of stoichiometric amounts of CaCO₃, Ta₂O₅, and a 10% excess of Li₂CO₃ (Al₂O₃ crucible, 1150 °C, 28 h).