Record Details

Magnetic properties of al-based icosahedral alloys

DSpace at IIT Bombay

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Field Value
 
Title Magnetic properties of al-based icosahedral alloys
 
Creator BAHADUR, D
 
Subject icosahedral
diamagnetic
pauli paramagnetism
spin-glass behavior
mn-si alloys
quasi-crystals
ge alloys
fe-si
quasicrystals
moment
al74mn20si6
al86mn14
films
 
Description One of the fundamental questions which inas not been answered sufficiently well till today is whether a nonclassical symmetry such as an icosahedral one would induce any special and distinctive features in the physical properties of the systems, Most theoretical investigations indicate that there are unique features in the electronic structure on account of icosahedral symmetry which could for example, influence the magnetic properties significantly. Experimental studies, particularly, on Al-based icosahedral alloys, have shown a large variation in magnetic properties ranging from diamagnetic to Curie like and Pauli paramagnetism on one hand and ferromagnetic and spill glass like behaviour on the other. In the present article, we will concentrate on some aspects of moment formation and variation in magnetic properties in AI-Mn based icosahedral systems and their dependence on the method of preparation which presumably controls and introduces the variable disorder. We will also try to answer some pertinent questions related to magnetism in icosahedral systems such as extent and origin of moment formation,existence of magnetic and nonmagnetic Mn sites and distribution of interatomic distances responsible for variation in magnetic properties.
 
Publisher PERGAMON-ELSEVIER SCIENCE LTD
 
Date 2011-10-12T14:37:46Z
2011-12-15T09:16:05Z
2011-10-12T14:37:46Z
2011-12-15T09:16:05Z
1997
 
Type Review
 
Identifier PROGRESS IN CRYSTAL GROWTH AND CHARACTERIZATION OF MATERIALS,34,287-301
0146-3535
http://dx.doi.org/10.1016/S0960-8974(97)00021-1
http://dspace.library.iitb.ac.in/xmlui/handle/10054/13804
http://hdl.handle.net/100/2984
 
Language en