Structural characterization of the FeTiO3-MnTiO3 solid solution

被引：30
|
作者：
Wu, Xiang [1 ,2 ]
Qin, Shan [1 ,2 ]
Dubrovinsky, Leonid [3 ]
机构：
[1] Peking Univ, Key Lab Orogen Belts & Crustal Evolut, MOE, Beijing 100871, Peoples R China
[2] Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
[3] Univ Bayreuth, Bayer Geoinst, D-95440 Bayreuth, Germany
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2010年 / 183卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Ilmenite; Solid solution; X-ray diffraction; Mossbauer spectroscopy; Raman spectroscopy; PHASE-TRANSITION; ILMENITE; FETIO3; TEMPERATURES; DIFFRACTION; PYROPHANITE; SPECTRA; MNTIO3; MGSIO3; MGGEO3;
D O I：
10.1016/j.jssc.2010.08.020
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We have synthesized the (Mn1-xFe)TiO3 (0.0 <= x <= 1.0) solid solution compounds by high-temperature sintered methods, and characterized their crystal structures by combining X-ray diffraction, Mossbauer spectroscopy and Raman spectroscopy. Lattice constants and volumes show a linear decrease with increase in FeTiO3 content. All experimental results illustrate a decreasing distortion of TiO6 (or FeO6/MnO6) octahedra with increase in FeTiO3 content. The vibrational frequency of O-Ti-O bending motions presents a direct dependence on the corresponding bond angle (the angle O-Ti-O). Crown Copyright (C) 2010 Published by Elsevier Inc. All rights reserved.
引用
收藏
页码：2483 / 2489
页数：7
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