Magnetization behavior of MgB2 and the effect of high energy heavy-ion irradiation

Noriko Chikumoto; Ayako Yamamoto; Marcin Konczykowski; Masato Murakami

doi:10.1016/S0921-4534(02)01472-7

Magnetization behavior of MgB₂ and the effect of high energy heavy-ion irradiation

Noriko Chikumoto, Ayako Yamamoto, Marcin Konczykowski, Masato Murakami

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Magnetic properties of high-density bulk MgB₂ superconductors synthesized under high pressure were investigated. All the samples exhibited a sharp superconducting transition at 39 K, showing that they are good in quality. Isothermal magnetization curves showed a monotonic decay of the hysteresis width with field. The heavy-ion irradiation (5.8 GeV Pb-ion) was found to increase the critical current density at high magnetic fields.

Original language	English
Pages (from-to)	466-469
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	378-381
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0921-4534(02)01472-7
Publication status	Published - 2002 Oct 1
Externally published	Yes

Keywords

Critical current density
Heavy-ion irradiation
Magneto-optical image
MgB

ASJC Scopus subject areas

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

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AB - Magnetic properties of high-density bulk MgB2 superconductors synthesized under high pressure were investigated. All the samples exhibited a sharp superconducting transition at 39 K, showing that they are good in quality. Isothermal magnetization curves showed a monotonic decay of the hysteresis width with field. The heavy-ion irradiation (5.8 GeV Pb-ion) was found to increase the critical current density at high magnetic fields.

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