Weak Kondo interaction in alloys, M = Ag and Au

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, , Citation H Flandorfer et al 1996 J. Phys.: Condens. Matter 8 2365 DOI 10.1088/0953-8984/8/14/011

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1 Institut für Physikalische Chemie der Universität Wien, A-1090 Wien, Währingerstraße 42, Austria

2 Institut für Experimentalphysik der Technischen Universität Wien, A-1040 Wien, Wiedner Hauptstraße 8 - 10, Austria

3 CNRS - Laboratoire de Chimie Metallurgique des Terres Rares, Equipe de Recherche 209, Place Aristide Briand, F-92195 Meudon Cédex, France

4 LURE, Université de Paris Sud, F-91405 Orsay, France

Dates

  1. Received 10 October 1995

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0953-8984/8/14/2365

Abstract

The crystal structure of the title compounds has been characterized by quantitative room-temperature X-ray powder diffraction to be isotypic with the type with partial disorder among the p-metal atoms. The low-temperature behaviour of these alloys is characterized by a decrease of the ordering temperatures as the Au content increases. Weak Kondo interaction for alloys richest in Au is observed from various transport and specific heat measurements.

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10.1088/0953-8984/8/14/011