Dependence of vortex liquid phase of Pb-In alloy on indium concentration

T. Fukami, K. Mizuseki, Y. Kishikawa, F. Ichikawa, Takeshi Arai, T. Yamasaki, B. Shinozaki, T. Aomine

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Isothermal current-voltage (J-E) characteristics have been measured for films of lead (Pb)-indium (In) alloys, Pb100-xInx (x=8.23, 4.0 and 2.0 wt.%) in the mixed state. The isothermal logJ vs. logE curves similar to those characterizing the vortex glass-vortex liquid (VL) transition in copper oxide superconductors have been observed, though the reversibility of magnetization curve for bulk samples in the mixed state could not be detected within the experimental accuracy in the present study. Using Fisher's theoretical relations, the transition temperature Tg(H), the static and dynamical critical exponents are determined. The variation of the exponents with H in low magnetic fields reported in high temperature superconductors was not observed. The upper critical magnetic field Hc2(T) determined by resistivity vs. temperature in the mixed state increases with increasing In concentration, but the Tg(H) is almost independent of the In concentration. A region between Hc2(T) and Tg(H) in a plane of H and T, which may be considered as the VL region, becomes wider with increasing In concentration.

Original languageEnglish
Pages (from-to)204-212
Number of pages9
JournalPhysica C: Superconductivity and its applications
Volume390
Issue number3
DOIs
Publication statusPublished - Jul 1 2003

Fingerprint

Indium alloys
indium alloys
Indium
indium
liquid phases
Vortex flow
vortices
Liquids
exponents
Magnetic fields
lead alloys
Oxide superconductors
Copper oxides
High temperature superconductors
copper oxides
curves
liquids
magnetic fields
high temperature superconductors
Superconducting transition temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Dependence of vortex liquid phase of Pb-In alloy on indium concentration. / Fukami, T.; Mizuseki, K.; Kishikawa, Y.; Ichikawa, F.; Arai, Takeshi; Yamasaki, T.; Shinozaki, B.; Aomine, T.

In: Physica C: Superconductivity and its applications, Vol. 390, No. 3, 01.07.2003, p. 204-212.

Research output: Contribution to journalArticle

Fukami, T, Mizuseki, K, Kishikawa, Y, Ichikawa, F, Arai, T, Yamasaki, T, Shinozaki, B & Aomine, T 2003, 'Dependence of vortex liquid phase of Pb-In alloy on indium concentration', Physica C: Superconductivity and its applications, vol. 390, no. 3, pp. 204-212. https://doi.org/10.1016/S0921-4534(03)00702-0
Fukami, T. ; Mizuseki, K. ; Kishikawa, Y. ; Ichikawa, F. ; Arai, Takeshi ; Yamasaki, T. ; Shinozaki, B. ; Aomine, T. / Dependence of vortex liquid phase of Pb-In alloy on indium concentration. In: Physica C: Superconductivity and its applications. 2003 ; Vol. 390, No. 3. pp. 204-212.
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