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Title: Nodal superconducting order parameter and thermodynamic phase diagram of (TMTSF)_{2}ClO_{4}
Authors: Yonezawa, Shingo  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-7476-3604 (unconfirmed)
Maeno, Yoshiteru  KAKEN_id
Bechgaard, Klaus
Jérome, Denis
Author's alias: 米澤, 進吾
Issue Date: Apr-2012
Publisher: American Physical Society
Journal title: Physical Review B
Volume: 85
Issue: 14
Thesis number: 140502
Abstract: The organic materials (TMTSF)2X are unique unconventional superconductors with archetypal quasi-one-dimensional (Q1D) electronic structures. Here, based on our comprehensive field-angle-resolved calorimetry of (TMTSF)2ClO4, we succeeded in mapping the nodal gap structure by discriminating between the Fermi wave vectors and Fermi velocities. In addition, the thermodynamic phase diagrams of (TMTSF)2ClO4 for all principal field directions are obtained. These findings, providing strong evidence of nodal spin-singlet superconductivity, serves as solid bases for the further elucidation of anomalous superconducting phenomena in (TMTSF)2X.
Rights: ©2012 American Physical Society
URI: http://hdl.handle.net/2433/170100
DOI(Published Version): 10.1103/PhysRevB.85.140502
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