CRITICAL EXPONENTS AT THE FERROMAGNETIC PHASE-TRANSITION OF THE INVARALLOY FE70PT30

Authors
BOXBERG O WESTERHOLT K
Citation
O. Boxberg et K. Westerholt, CRITICAL EXPONENTS AT THE FERROMAGNETIC PHASE-TRANSITION OF THE INVARALLOY FE70PT30, Journal of magnetism and magnetic materials, 140, 1995, pp. 1563-1564
Citations number
6
Categorie Soggetti
Material Science","Physics, Condensed Matter
Journal title
Journal of magnetism and magnetic materials → ACNP
ISSN journal
03048853
Volume
140
Year of publication
1995
Part
3
Pages
1563 - 1564
Database
ISI
SICI code
0304-8853(1995)140:<1563:CEATFP>2.0.ZU;2-I
Abstract
We study the critical behavior at the ferromagnetic phase transition o f a single crystal with the composition Fe,,Pt,, in the ordered metall ic state. We derive a set of critical exponents beta = 0.46, gamma = 1 .28 and delta = 3.8 for the spontaneous magnetization, the susceptibil ity and isothermal magnetization at T-C, respectively. This set belong s to a universal fixed point for a system with long-range magnetic int eractions.