Refinement of the pressure-temperature phase diagram of the organic superconductor with asymmetric anions (TMTSF)2FSO3

Y. J. Jo; E. S. Choi; Haeyong Kang; W. Kang; I. S. Seo; O. H. Chung

Refinement of the pressure-temperature phase diagram of the organic superconductor with asymmetric anions (TMTSF)₂FSO₃

Y. J. Jo, E. S. Choi, Haeyong Kang, W. Kang, I. S. Seo, O. H. Chung

Department of Physics

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

The pressure-temperature phase diagram of the organic superconductor (TMTSF)₂FSO₃ is refined by performing measurements of the interlayer resistance (R_zz) and the longitudinal thermoelectric power (S_xx). In addition to refining the phase transitions previously discussed in the literature, the results show at least two new phase changes at high pressure. The complexity of the phase diagram suggests that the finite electric dipole moment of the asymmetric FSO₃ anions, which gives these anions an additional degree of freedom, should be taken into account in addition to their structural ordering.

Original language	English
Article number	014516
Pages (from-to)	145161-145167
Number of pages	7
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	1
State	Published - 1 Jan 2003

Cite this

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AU - Seo, I. S.

AU - Chung, O. H.

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N2 - The pressure-temperature phase diagram of the organic superconductor (TMTSF)2FSO3 is refined by performing measurements of the interlayer resistance (Rzz) and the longitudinal thermoelectric power (Sxx). In addition to refining the phase transitions previously discussed in the literature, the results show at least two new phase changes at high pressure. The complexity of the phase diagram suggests that the finite electric dipole moment of the asymmetric FSO3 anions, which gives these anions an additional degree of freedom, should be taken into account in addition to their structural ordering.

AB - The pressure-temperature phase diagram of the organic superconductor (TMTSF)2FSO3 is refined by performing measurements of the interlayer resistance (Rzz) and the longitudinal thermoelectric power (Sxx). In addition to refining the phase transitions previously discussed in the literature, the results show at least two new phase changes at high pressure. The complexity of the phase diagram suggests that the finite electric dipole moment of the asymmetric FSO3 anions, which gives these anions an additional degree of freedom, should be taken into account in addition to their structural ordering.

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Refinement of the pressure-temperature phase diagram of the organic superconductor with asymmetric anions (TMTSF)2FSO3

Abstract

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Refinement of the pressure-temperature phase diagram of the organic superconductor with asymmetric anions (TMTSF)₂FSO₃