Lattice dynamics and Mg/Ti order in orthorhombic pseudobrookite-type MgTi₂ O₅

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• 作者：Man He^a ; Bjö ; rn Winkler^a ; ^{b.winkler@kristall.uni-frankfurt.de} ; Johannes D. Bauer^a ; Lkhamsuren Bayarjargal^a ; Javier Ruiz-Fuertes^a ; ¹ ; Igor Alencar^a ; ² ; Wolfgang Morgenroth^a ; Keith Refson^b ; Victor Milman^c
• 关键词：Mg/Ti order ; Mechanochemical activation ; Raman spectroscopy ; Low-temperature heat capacity ; Density functional theory
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：30 March 2017
• 年：2017
• 卷：699
• 期：Complete
• 页码：16-24
• 全文大小：1584 K
• 卷排序：699

文摘

Phase pure synthesis of MgTi2O5 at 1173K using mechanochemical activation. Quantitative interpretation of Raman spectra as a function of cation ordering. Quantitative assessment of contributions to thermodynamic properties of disordered samples.