Antiferromagnetism in pressure-amorphized Fe2SiO4

Amorphous Fe(2)SiO(4) synthesized at elevated pressures exhibits a Néel transition at a temperature identical to that observed in the crystalline form, T(N) = 65 (+/-2) kelvin at zero pressure. This behavior contrasts sharply with observations on other disordered systems, such as spin glasses, which...

Full description

Saved in:
Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1992-02, Vol.255 (5045), p.703-705
Main Authors: KRUGER, M. B, JEANLOZ, R, PASTERNAK, M. P, TAYLOR, R. D, SNYDER, B. S, STACY, A. M, BOHLEN, S. R
Format: Article
Language:English
Subjects:
Antiferromagnetism
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Metallic glasses
Physics
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Amorphous Fe(2)SiO(4) synthesized at elevated pressures exhibits a Néel transition at a temperature identical to that observed in the crystalline form, T(N) = 65 (+/-2) kelvin at zero pressure. This behavior contrasts sharply with observations on other disordered systems, such as spin glasses, which characteristically exhibit strong "frustration" of the spins and consequent marked suppression of the Néel transition.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.255.5045.703