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26 April 2024

» pubmed » pmid15089570

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First order magnetic transition in doped CeFe2 alloys: phase coexistence and metastability
S B Roy ; G K Perkins ; M K Chattopadhyay ; A K Nigam ; K J S Sokhey ; P Chaddah ; A D Caplin ; L F Cohen ;
Date:	9 Apr 2004
Journal:	Phys Rev Lett, 92 (14), 147203
Abstract:	First order ferromagnetic (FM) to antiferromagnetic (AFM) phase transition in doped CeFe2 alloys is studied with the micro-Hall probe technique. Clear visual evidence of magnetic phase coexistence on micrometer scales and the evolution of this phase coexistence as a function of temperature, magnetic field, and time across the first order FM-AFM transition is presented. Such phase coexistence and metastability arise as a natural consequence of an intrinsic disorder-influenced first order transition. The generality of these phenomena involving other classes of materials is discussed.
Source:	PubMed, pmid15089570
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