Affordable Access

Publisher Website

Electronic specific heat and high field magnetization studies on the Y6(Fe1−xMnx)23system

Authors
Journal
Journal of Physics and Chemistry of Solids
0022-3697
Publisher
Elsevier
Publication Date
Volume
37
Issue
2
Identifiers
DOI: 10.1016/0022-3697(76)90168-2
Disciplines
  • Physics

Abstract

Abstract Magnetizations at applied fields up to 120 kOe and electronic specific heats have been determined for ternaries represented by the formula Y 6(Fe 1− x Mn x ) 23. The Curie temperature and ordered magnetic moment of Y6Mn 23 and Y 6Fe 23 decrease sharply when these materials are formed into solid solutions, being minimal in the vicinity of the equimolal solution. To test whether the reduction is a band effect electronic specific heats were measured; they are maximal where T c and the moment are minimal, indicating unimportance of band effects. Curie-Weiss behavior is exhibited at low fields, suggesting rather localized d-electrons. The nearest neighbor distances are such as to lead to antiferromagnetic Mn-Mn interactions. Y 6Mn 23 is taken to be ferrimagnetic whereas Y 6Fe 23 appears to be ferromagnetic. While the magnetic structure of the ternaries is yet to be fully clarified, it is clear that antiferromagnetic exchange is enhanced when either binary is formed into a ternary. It also appears that the Mn-Fe coupling is antiferromagnetic in the ternaries.

There are no comments yet on this publication. Be the first to share your thoughts.

Statistics

Seen <100 times
0 Comments

More articles like this

Preferential ordering of Mn and Fe Atoms in Y6(Fe1...

on Journal of Physics and Chemist... Jan 01, 1980

A Mössbauer effect study of the manganese-rich Y6(...

on Solid State Communications Jan 01, 1980

Short- and long-range magnetic ordering of Y6(Fe1−...

on Journal of the Less Common Met... Jan 01, 1983

Influence of structural defects on the magnetizati...

on Journal of Magnetism and Magne... Jan 01, 2010
More articles like this..