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.

引用

页码：24 / 26

页数：3

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