Pulse field magnetization of melt-processed Sm-Ba-Cu-O

H. Ikuta; H. Ishihara; T. Hosokawa; Y. Yanagi; Y. Itoh; M. Yoshikawa; T. Oka; U. Mizutani

doi:10.1088/0953-2048/13/6/345

Pulse field magnetization of melt-processed Sm-Ba-Cu-O

H. Ikuta, H. Ishihara, T. Hosokawa, Y. Yanagi, Y. Itoh, M. Yoshikawa, T. Oka, U. Mizutani

Research output: Contribution to journal › Conference article › peer-review

28 Citations (Scopus)

Abstract

We studied the dynamical motion of flux lines in melt-processed Sm-Ba-Cu-O (SmBCO) bulk-superconductors driven by a magnetic pulse at 77 K. The total amount of trapped magnetic flux (Φ_T) as a function of the magnitude of pulse exhibited a peak; the decrease of Φ_T for large pulses is attributed to the increase in temperature of the sample due to the resistive force exerted on moving flux lines. Compared to melt-processed Y-Ba-Cu-O, it is found that the penetration of flux lines into the sample requires a larger pulse, reflecting the strong pinning effect of SmBCO.

Original language	English
Pages (from-to)	846-849
Number of pages	4
Journal	Superconductor Science and Technology
Volume	13
Issue number	6
DOIs	https://doi.org/10.1088/0953-2048/13/6/345
Publication status	Published - 2000 Jun 1
Externally published	Yes
Event	The 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn Duration: 1999 Oct 19 → 1999 Oct 22

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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title = "Pulse field magnetization of melt-processed Sm-Ba-Cu-O",

abstract = "We studied the dynamical motion of flux lines in melt-processed Sm-Ba-Cu-O (SmBCO) bulk-superconductors driven by a magnetic pulse at 77 K. The total amount of trapped magnetic flux (ΦT) as a function of the magnitude of pulse exhibited a peak; the decrease of ΦT for large pulses is attributed to the increase in temperature of the sample due to the resistive force exerted on moving flux lines. Compared to melt-processed Y-Ba-Cu-O, it is found that the penetration of flux lines into the sample requires a larger pulse, reflecting the strong pinning effect of SmBCO.",

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T1 - Pulse field magnetization of melt-processed Sm-Ba-Cu-O

AU - Ikuta, H.

AU - Ishihara, H.

AU - Hosokawa, T.

AU - Yanagi, Y.

AU - Itoh, Y.

AU - Yoshikawa, M.

AU - Oka, T.

AU - Mizutani, U.

PY - 2000/6/1

Y1 - 2000/6/1

N2 - We studied the dynamical motion of flux lines in melt-processed Sm-Ba-Cu-O (SmBCO) bulk-superconductors driven by a magnetic pulse at 77 K. The total amount of trapped magnetic flux (ΦT) as a function of the magnitude of pulse exhibited a peak; the decrease of ΦT for large pulses is attributed to the increase in temperature of the sample due to the resistive force exerted on moving flux lines. Compared to melt-processed Y-Ba-Cu-O, it is found that the penetration of flux lines into the sample requires a larger pulse, reflecting the strong pinning effect of SmBCO.

AB - We studied the dynamical motion of flux lines in melt-processed Sm-Ba-Cu-O (SmBCO) bulk-superconductors driven by a magnetic pulse at 77 K. The total amount of trapped magnetic flux (ΦT) as a function of the magnitude of pulse exhibited a peak; the decrease of ΦT for large pulses is attributed to the increase in temperature of the sample due to the resistive force exerted on moving flux lines. Compared to melt-processed Y-Ba-Cu-O, it is found that the penetration of flux lines into the sample requires a larger pulse, reflecting the strong pinning effect of SmBCO.

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