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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
High-pressure ground state of SmB6: Electronic conduction and long range magnetic order
Physical Review Letters, Volume 94, No. 16, Article 166401, Year 2005
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Description
High-pressure 149Sm nuclear forward scattering of synchrotron radiation and specific heat measurements have been performed on the intermediate valent Kondo insulator SmB6. The results show that at a critical pressure pc ≈ 6 GPa, where the charge gap closes, a first order transition occurs to a magnetically ordered state, which shows typical features of trivalent samarium compounds. The similarity with SmS stresses the role of local correlations and gives important insight into the debate on the local or itinerant character of the f electrons in heavy fermion systems. © 2005 The American Physical Society.
Authors & Co-Authors
Barla, Alessandro
France, Grenoble
Cea Grenoble
France, Grenoble
European Synchrotron Radiation Facility
France, Strasbourg
Ipcms Institut de Physique et Chimie Des Matériaux de Strasbourg
Doyle, Bryan P.
Italy, Trieste
Laboratorio Nazionale Tasc
Abd-Elmeguid, Mohsen M.
Germany, Koln
Universität zu Köln
Flouquet, Jacques
France, Grenoble
Cea Grenoble
Statistics
Citations: 80
Authors: 4
Affiliations: 5
Identifiers
Doi:
10.1103/PhysRevLett.94.166401
ISSN:
10797114
Research Areas
Cancer