Double peaks on ac magnetization in a superconducting Pb-porous glass nanocomposite

Y. S. Ciou, C. Tien, E. V. Charnaya, D. Y. Xing, Yu A. Kumzerov, Min-Kai Lee, A. L. Pirozerskii

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Studies of temperature dependences of ac magnetization were carried out for a superconducting lead-porous glass nanocomposite. Double peaks were found on the imaginary part of ac magnetization which were accompanied with double steps on the real part. The lower-temperature anomalies in ac magnetization differed noticeably when they were obtained upon cooling and warming. The double peaks were treated as two phase transitions in the vortex system: the liquid-solid transition which occurs close to the onset of superconductivity and solid-solid one which is triggered by superconductivity in confined lead islands.

Original languageEnglish
Pages (from-to)4942-4944
Number of pages3
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume374
Issue number48
DOIs
Publication statusPublished - 2010 Nov 1

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nanocomposites
magnetization
glass
superconductivity
vortices
anomalies
cooling
temperature dependence
heating
liquids

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Ciou, Y. S. ; Tien, C. ; Charnaya, E. V. ; Xing, D. Y. ; Kumzerov, Yu A. ; Lee, Min-Kai ; Pirozerskii, A. L. / Double peaks on ac magnetization in a superconducting Pb-porous glass nanocomposite. In: Physics Letters, Section A: General, Atomic and Solid State Physics. 2010 ; Vol. 374, No. 48. pp. 4942-4944.
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Double peaks on ac magnetization in a superconducting Pb-porous glass nanocomposite. / Ciou, Y. S.; Tien, C.; Charnaya, E. V.; Xing, D. Y.; Kumzerov, Yu A.; Lee, Min-Kai; Pirozerskii, A. L.

In: Physics Letters, Section A: General, Atomic and Solid State Physics, Vol. 374, No. 48, 01.11.2010, p. 4942-4944.

Research output: Contribution to journalArticle

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