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Hidden one-dimensional spin modulation in a three-dimensional metal.
Feng, Yejun; Wang, Jiyang; Palmer, A; Aguiar, J A; Mihaila, B; Yan, J-Q; Littlewood, P B; Rosenbaum, T F.
Afiliación
  • Feng Y; 1] The Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA [2] The James Franck Institute and Department of Physics, University of Chicago, Chicago, Illinois 60637, USA.
  • Wang J; The James Franck Institute and Department of Physics, University of Chicago, Chicago, Illinois 60637, USA.
  • Palmer A; The James Franck Institute and Department of Physics, University of Chicago, Chicago, Illinois 60637, USA.
  • Aguiar JA; Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Mihaila B; 1] Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA [2] Physics Division, National Science Foundation, Arlington, Virginia 22230, USA.
  • Yan JQ; 1] Department of Materials Science and Engineering, University of Tennessee, Knoxville, Tennessee 37996, USA [2] Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Littlewood PB; 1] The James Franck Institute and Department of Physics, University of Chicago, Chicago, Illinois 60637, USA [2] Physical Sciences and Engineering, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Rosenbaum TF; The James Franck Institute and Department of Physics, University of Chicago, Chicago, Illinois 60637, USA.
Nat Commun ; 5: 4218, 2014 Jun 18.
Article en En | MEDLINE | ID: mdl-24939672
Pressure can transform a transparent material into an opaque one, quench the moments in a magnet and force solids to flow like liquids. At 15 GPa, the pressure found 500 km below the earth's surface, the semiconductors silicon and germanium superconduct. Yet, at this same pressure, we show here that the magnetism in metallic GdSi remains completely robust even as it shrinks by one-seventh of its volume. Non-resonant X-ray magnetic diffraction in a specially designed diamond anvil cell, combined with band structure calculations, reveal the stability of the incommensurate spin density wave, which can be traced to a persistently nested portion of the Fermi surface that becomes increasingly one-dimensional under pressure. A cooperative interaction between nested, itinerant spins and local magnetic moments provides the organizing principle for the modulated magnetic order, salient both for its insights into the role of topology in ordered states and its potential functionality.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido