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Type: Artigo de periódico
Title: Pressure-temperature-composition Phase Diagram Of Ce2 Min8 ( M = Rh, Ir )
Author: Hering E.N.
Borges H.A.
Ramos S.M.
Fontes M.B.
Baggio Saitovitch E.
Bittar E.M.
Pagliuso P.G.
Moreno N.O.
Thompson J.D.
Sarrao J.L.
Abstract: In this work a preliminary pressure-temperature-composition phase diagram for the Ce2 Rh( 1 - x ) Irx In8 heavy-fermions (HF) materials is reported, built from pressure-dependent electrical resistivity ( ρ ( T ) ) measurements on single-crystalline samples. Although neither of the two end members is an ambient-pressure SC, a transition to a zero-resistance (ZR) state was found at ambient pressure ( TC ≈ 600 mK ) in a narrow Ir concentration range (around x = 0.5). Pressures not higher than 10 kbar are sufficient to suppress this ZR state for all measured concentrations, in contrast to the 115 materials. © 2006 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.physb.2006.01.401
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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