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Type: Artigo de Periódico
Title: Low Temperature Transport And Thermodynamic Properties Of The Zintl Compound Yb11alsb9: A New Kondo Lattice Semiconductor
Author: Magnavita
ET; Rettori
C; Osorio-Guillen
JM; Ferreira
FF; Mendonca-Ferreira
L; Avila
MA; Ribeiro
Abstract: A thorough transport and thermodynamic investigation of flux-grown single crystals of the ternary Zintl phase Yb-11 AlSb9, combined with first-principles density functional theory calculations, shows that this compound is a metal above T approximate to 100 K and a semiconductor with small hybridization gap at low-T. The general behavior resembles those of Kondo lattice semiconductors, although some of the measured properties are strongly sample dependent, as often seen in hybridized f-electron materials. We thus suggest that Yb-11 AlSb9 can be considered as a new Yb-based Kondo lattice semiconductor joining the family of strongly correlated electron systems. (C) 2016 Elsevier B.V. All rights reserved.
Subject: Zintl Phase
Transport Properties
Small Gap Semiconductor
Citation: Journal Of Alloys And Compounds. ELSEVIER SCIENCE SA, n. 669, p. 60 - 65.
Rights: fechado
Identifier DOI: 10.1016/j.jallcom.2016.01.206
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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