V2O3 nanocrystals prepared by mechanochemical-thermal reduction and their magnetic properties

被引：4
|
作者：
Billik, P. [1 ,2 ]
Cigan, A. [2 ]
Caplovicova, M. [3 ]
Skratek, M. [2 ]
Dvurecenskij, A. [2 ]
Majerova, M. [2 ]
Bystricky, R. [2 ]
Antal, P. [1 ]
Manka, J. [2 ]
机构：
[1] Comenius Univ, Fac Nat Sci, Dept Inorgan Chem, Bratislava 84215, Slovakia
[2] Slovak Acad Sci, Inst Measuremen Sci, Dept Magnet, Bratislava 84104, Slovakia
[3] Comenius Univ, Fac Nat Sci, Dept Geol Mineral Deposits, Bratislava 84215, Slovakia
来源：
MATERIALS LETTERS | 2013年 / 110卷
关键词：
Powder technology; Nanocrystalline materials; Phase transformation; Magnetic materials; Dedicated to Dr. Frantisek Hanic on the occasion of his 85th birthday; NANOPOWDER; OXIDES;
D O I：
10.1016/j.matlet.2013.07.111
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
V2O3 nanocrystals were synthesized in the Na2SO4 salt matrix through mechanochemical-thermal reduction between V2O5 and Na2SO3. The high-energy ball milling for 10 min followed by vacuum annealing even at 400 degrees C gives V2O3. V2O3 prepared at 550 degrees C with the crystallite size in the range of 25-60 nm shows a well-faceted morphology and exhibit the paramagnetic to antifferomagnetic transition at 144 K. (C) 2013 Elsevier B.V. All rights reserved.
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收藏
页码：24 / 26
页数：3
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