Detailed analysis of magnetic phase diagram in Bi-2223 superconductors

Lance Horng, K. Chen

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Magnetic properties of a high-quality Bi-2223 superconducting tape have been studied by various magnetization measurements using SQUID magnetometer for understanding the flux dynamics. The remnant flux relaxation was carried out for a very long time period of up to 24 h. The curve of the magnetization with ln(t) can be divided into two relaxation rates in different periods of time at higher field. A phase transition boundary of temperature and magnetic field, in which the field has two different relaxation rates, is described in a three- to two-dimensional decoupling transition.

Original languageEnglish
Pages (from-to)237-239
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume209
Issue number1-3
DOIs
Publication statusPublished - 2000 Jan 1
EventProceedings of the 1999 International Symposium on Advanced Magnetic Technologies (ISAMT'99) - Taipei, Taiwan
Duration: 1999 May 241999 May 25

Fingerprint

Superconducting materials
Phase diagrams
Magnetization
phase diagrams
Superconducting tapes
Fluxes
SQUIDs
Magnetometers
Magnetic properties
magnetization
Temperature distribution
Phase transitions
Magnetic fields
decoupling
magnetometers
tapes
temperature distribution
magnetic properties
curves
magnetic fields

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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Detailed analysis of magnetic phase diagram in Bi-2223 superconductors. / Horng, Lance; Chen, K.

In: Journal of Magnetism and Magnetic Materials, Vol. 209, No. 1-3, 01.01.2000, p. 237-239.

Research output: Contribution to journalConference article

TY - JOUR

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AU - Chen, K.

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N2 - Magnetic properties of a high-quality Bi-2223 superconducting tape have been studied by various magnetization measurements using SQUID magnetometer for understanding the flux dynamics. The remnant flux relaxation was carried out for a very long time period of up to 24 h. The curve of the magnetization with ln(t) can be divided into two relaxation rates in different periods of time at higher field. A phase transition boundary of temperature and magnetic field, in which the field has two different relaxation rates, is described in a three- to two-dimensional decoupling transition.

AB - Magnetic properties of a high-quality Bi-2223 superconducting tape have been studied by various magnetization measurements using SQUID magnetometer for understanding the flux dynamics. The remnant flux relaxation was carried out for a very long time period of up to 24 h. The curve of the magnetization with ln(t) can be divided into two relaxation rates in different periods of time at higher field. A phase transition boundary of temperature and magnetic field, in which the field has two different relaxation rates, is described in a three- to two-dimensional decoupling transition.

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