Quantum critical point and superconducting dome in the pressure phase diagram of o-TaS3 (Articolo in rivista)

Type
Label
  • Quantum critical point and superconducting dome in the pressure phase diagram of o-TaS3 (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.88.180504 (literal)
Alternative label
  • M. Monteverde (1,*); J. Lorenzana (2); P. Monceau (1); M. Núñez-Regueiro (1) (2013)
    Quantum critical point and superconducting dome in the pressure phase diagram of o-TaS3
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Monteverde (1,*); J. Lorenzana (2); P. Monceau (1); M. Núñez-Regueiro (1) (literal)
Pagina inizio
  • art_n_180504 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prb.aps.org/abstract/PRB/v88/i18/e180504 (literal)
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  • 88 (literal)
Rivista
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  • 18 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Institut Néel, Université Grenoble Alpes and Centre Nationale de la Recherche Scientifique, Grenoble, France (2) ISC-CNR, Dipartimento di Fisica, Sapienza, Università di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italy *Present address: Laboratoire de Physique des Solides, Université de Paris-Sud, Orsay, France (literal)
Titolo
  • Quantum critical point and superconducting dome in the pressure phase diagram of o-TaS3 (literal)
Abstract
  • We measure the electrical resistance of o-TaS3 between 1 and 300 K under pressures up to 20 GPa. We observe a gradual decrease of the charge density wave transition temperature TCDW with increasing pressure P following a mean field quantum fluctuation power law TCDW=215K[(PC-P)/PC]? with a quantum critical point at a pressure PC=11.5GPa and ??0.5. Around the quantum critical point (QCP) we observe a superconducting dome with a maximum superconducting transition temperature Tc=3.1K. Such dome is similar to superconducting domes around other types of order suggesting that the QCP is directly responsible for the enhancement of superconductivity through a universal mechanism still not well understood. (literal)
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