Control of the glass-liquid transition temperature in YBa2 Cu3 O7-x films

Tomoya Horide, Kaname Matsumoto, Paolo Mele, Yutaka Yoshida, Ataru Ichinose, Ryusuke Kita, Shigeru Horii, Masashi Mukaida

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Magnetic field dependences of the glass-liquid transition temperature (Tg) were studied in YBa2 Cu3 O7-x films containing various types of nanoinclusions. The vortex configuration (entangled or straight) and pinning strength for each vortex are crucial to the behaviors of Tg. c -axis correlated pinning centers optimize these factors and achieve the upper limit of Tg, which is determined by loss of line tension of vortices, if they are elongated through a thickness of a sample. By optimizing pinning centers, critical temperature, and a matching field, a Tg value of 77 K can be obtained in YBa2 Cu3 O7-x in a magnetic field as high as 27 T.

Original languageEnglish
Article number092504
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume79
Issue number9
DOIs
Publication statusPublished - Mar 3 2009

Fingerprint

Superconducting transition temperature
Vortex flow
transition temperature
vortices
Glass
glass
Liquids
liquids
Magnetic fields
magnetic fields
critical temperature
configurations
Temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Control of the glass-liquid transition temperature in YBa2 Cu3 O7-x films. / Horide, Tomoya; Matsumoto, Kaname; Mele, Paolo; Yoshida, Yutaka; Ichinose, Ataru; Kita, Ryusuke; Horii, Shigeru; Mukaida, Masashi.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 79, No. 9, 092504, 03.03.2009.

Research output: Contribution to journalArticle

Horide, Tomoya ; Matsumoto, Kaname ; Mele, Paolo ; Yoshida, Yutaka ; Ichinose, Ataru ; Kita, Ryusuke ; Horii, Shigeru ; Mukaida, Masashi. / Control of the glass-liquid transition temperature in YBa2 Cu3 O7-x films. In: Physical Review B - Condensed Matter and Materials Physics. 2009 ; Vol. 79, No. 9.
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