Glassy magnetism in mechanically alloyed Fe35Cr65

A mixture of Fe and Cr powders, with the atomic concentration Fe35Cr65, was mechanically alloyed in a high-energy planetary mill for 290h. Upon milling, the X-ray diffraction pattern stopped evolving much earlier than the hysteresis loop. The final product (milled for 290h) showed a strong irreversi...

Full description

Saved in:
Bibliographic Details
Published inJournal of magnetism and magnetic materials Vol. 272-276; pp. 1340 - 1341
Main Authors De Toro, J.A., Muñoz, T., Muñiz, P., Riveiro, J.M.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.05.2004
Subjects
Fe–Cr
Magnetic nanoparticles
Mechanical alloying
Spin-glasses
Fe–Cr
Spin-glasses
Magnetic nanoparticles
75.50.Tt
75.50.Bb
75.50.Lk
Mechanical alloying
Online AccessGet full text

Cover

More Information
Summary:A mixture of Fe and Cr powders, with the atomic concentration Fe35Cr65, was mechanically alloyed in a high-energy planetary mill for 290h. Upon milling, the X-ray diffraction pattern stopped evolving much earlier than the hysteresis loop. The final product (milled for 290h) showed a strong irreversibility between the field-cooled and zero-field cooled magnetisation curves below the maximum exhibited by the former at Tm≈170K, accompanied by a slightly frequency-dependent peak of the AC susceptibility. These features are explained in terms of the blocking of interacting nanoclusters.
Bibliography:SourceType-Scholarly Journals-2
ObjectType-Feature-2
ObjectType-Conference Paper-1
content type line 23
SourceType-Conference Papers & Proceedings-1
ObjectType-Article-3
ISSN:0304-8853
DOI:10.1016/j.jmmm.2003.12.1162