Synthesis and structural properties of cubic G0-Rb2KMoO3F3 oxyfluoride

被引:7
作者
Atuchin, V. V. [1 ]
Gavrilova, T. A. [2 ]
Isaenko, L. I. [3 ]
Kesler, V. G. [4 ]
Molokeev, M. S. [5 ]
Zhurkov, S. A. [3 ]
机构
[1] SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090 90, Russia
[2] SB RAS, Inst Semicond Phys, Lab Nanolithog & Nanodiagnost, Novosibirsk 630090 90, Russia
[3] SB RAS, Inst Geol & Mineral, Lab Crystal Growth, Novosibirsk 530090 90, Russia
[4] SB RAS, Inst Semicond Phys, Lab Phys Principles Integrated Microelect, Novosibirsk 630090 90, Russia
[5] SB RAS, Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036 36, Russia
关键词
Powders: solid state reaction; Microstructure-final; X-ray methods; Alkali oxides; Halides; PHASE-TRANSITIONS; (NH4)(3)MOO3F3; TEMPERATURE; PEROVSKITE; BEHAVIOR;
D O I
10.1016/j.ceramint.2011.11.013
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
High-temperature G0 polymorph of Rb2KMoO3F3 has been prepared by melt solidification. Micromorphology and chemical properties-of the final product were evaluated by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The elpasolite-related crystal structure of G0-Rb2KMoO3F3 has been refined by Rietveld method at T = 298 K (space group Fm-3m, a = 8.92446(8) angstrom, V = 710.76(1) angstrom(3); R-B = 3.55%). Ferroelectric G1-Rb2KMoO3F3 polymorph, earlier reported at T < 328 K, is not found at T = 298 K. (C) 2011 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码:2455 / 2459
页数:5
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