Properties of a new nanosized tin sulphide phase obtained by mechanochemical route

被引:23
作者
Baláz, P [1 ]
Takacs, L
Ohtani, T
Mack, DE
Boldizárová, E
Soika, V
Achimovicová, M
机构
[1] Slovak Acad Sci, Inst Geotech, Kosice 04353, Slovakia
[2] Univ Maryland, Baltimore, MD 21250 USA
[3] Okayama Univ Sci, Lab Solid State Chem, Okayama 700, Japan
[4] Tech Univ Braunschweig, Inst Phys & Theoret Chem, D-381106 Braunschweig, Germany
基金
美国国家科学基金会;
关键词
nanostructures; mechanical alloying; X-ray diffraction; magnetic measurements;
D O I
10.1016/S0925-8388(01)01910-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The paper deals with the properties of a new 4H-SnS(2) phase (N-phase) synthesized together with berndtite 4H-SnS(2) by a mechanochemical route from elemental tin and sulphur. The surface and bulk properties of SnS(2) phases were verified by surface area measurements, particle size analysis, electron microscopy, XRD, Mossbauer spectroscopy and chemical dissolution methods. The particles of synthesized product are 12-18 nm in size and during milling, secondary particles (aggregates) are formed that are 20-60 [mum in size. The particle size and a high developed surface area (7-21 m(2) g(-1)) greatly influence the solid-liquid reaction and solid transformations of mechanosynthesized tin sulphide products. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:76 / 82
页数:7
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