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Author Encina, S.; Pedrazzini, P. url  openurl
  Title Poder termoeléctrico del Ce(Pd1-xCux)2Si2 Type Conference Article
  Year 2013 Publication Anales de la Asociacion Fisica Argentina Abbreviated Journal Anales AFA  
  Volume 24 Issue 2 Pages 43-46  
  Keywords poder termoeléctrico, resistividad eléctrica, bajas temperaturas, CePd 2Si2, CeCu2Si2, temperatura de Kondo, campo cristalino, compuestos de Ce, magnetismo  
  Abstract Se presenta un estudio del poder termoeléctrico, S(T), a bajas temperaturas de la aleación Ce(Pd1-xCux)2Si2. Las curvas deS(T) tienen una dependencia similar en todo el rango de sustitución, con tres anomalías: un máximo positivo de altatemperatura, un mínimo negativo y un máximo de bajas temperaturas. Se discute brevemente el origen de las anomalías,para lo cual se compara S(T) con datos de resistividad eléctrica provenientes de la literatura. Para realizar las medicionesde poder termoeléctrico se diseñó y construyó un dispositivo que puede ser montado en diversos crióstatos.  
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  Call Number BT @ pedrazp @ Serial 674  
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Author Giriat, G.; Ren, Z.; Pedrazzini, P.; Jaccard, D. url  doi
openurl 
  Title High pressure investigation of superconducting signatures in CeCu2Si2: ac-magnetic susceptibility, ac-heat capacity, resistivity and thermopower Type Journal Article
  Year 2015 Publication Solid State Communications Abbreviated Journal Solid State Commun.  
  Volume 209–210 Issue Pages 55-58  
  Keywords CeCu2Si2; Superconductivity; Magnetic susceptibility; High pressure  
  Abstract Taking advantage of a novel multiprobe setup we have measured, on a unique sample, the ac-magnetic susceptibility, the resistivity, the ac-specific heat and the thermopower of the superconductor heavy fermion CeCu2Si2 under pressure up to 5.1 GPa. At the superconducting transition temperature Tc, the Meissner signal corresponds to that expected for the sample volume and coincides with the specific heat jump and the resistive transition completion temperatures. Differing from previous observations, here the susceptibility measurements did not reveal any anomaly in the vicinity of the resistive transition onset.  
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  ISSN 0038-1098 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number BT @ pedrazp @ Serial 720  
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