Comparative study of the flux pinning by columnar defects in high-Tc superconductors

N. Chikumoto; M. Konczykowski; K. Kishio; M. Murakami

doi:10.1016/S0921-4534(97)01183-0

Comparative study of the flux pinning by columnar defects in high-T_c superconductors

N. Chikumoto, M. Konczykowski, K. Kishio, M. Murakami

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

7 Citations (Scopus)

Abstract

Columnar defects are introduced to single crystals of Nd123, La214 and Bi2212 by means of 5.8-GeV Pb-ion irradiation. After the irradiation, all samples showed the enhancement of the hysteresis width in a low field range, B < BΦ. However, there are some differences in the pinning characteristics. Both irradiated Nd123 and La214 samples exhibit 'peak effect' in the magnetization curve, which is not observed in irradiated Bi2212 sample. The observed peak effect is likely to orginate from the 'matching effect'.

Original language	English
Pages (from-to)	2143-2144
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	282
Issue number	PART 4
DOIs	https://doi.org/10.1016/S0921-4534(97)01183-0
Publication status	Published - 1997 Aug
Externally published	Yes

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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10.1016/S0921-4534(97)01183-0

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abstract = "Columnar defects are introduced to single crystals of Nd123, La214 and Bi2212 by means of 5.8-GeV Pb-ion irradiation. After the irradiation, all samples showed the enhancement of the hysteresis width in a low field range, B < BΦ. However, there are some differences in the pinning characteristics. Both irradiated Nd123 and La214 samples exhibit 'peak effect' in the magnetization curve, which is not observed in irradiated Bi2212 sample. The observed peak effect is likely to orginate from the 'matching effect'.",

author = "N. Chikumoto and M. Konczykowski and K. Kishio and M. Murakami",

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AU - Chikumoto, N.

AU - Konczykowski, M.

AU - Kishio, K.

AU - Murakami, M.

PY - 1997/8

Y1 - 1997/8

N2 - Columnar defects are introduced to single crystals of Nd123, La214 and Bi2212 by means of 5.8-GeV Pb-ion irradiation. After the irradiation, all samples showed the enhancement of the hysteresis width in a low field range, B < BΦ. However, there are some differences in the pinning characteristics. Both irradiated Nd123 and La214 samples exhibit 'peak effect' in the magnetization curve, which is not observed in irradiated Bi2212 sample. The observed peak effect is likely to orginate from the 'matching effect'.

AB - Columnar defects are introduced to single crystals of Nd123, La214 and Bi2212 by means of 5.8-GeV Pb-ion irradiation. After the irradiation, all samples showed the enhancement of the hysteresis width in a low field range, B < BΦ. However, there are some differences in the pinning characteristics. Both irradiated Nd123 and La214 samples exhibit 'peak effect' in the magnetization curve, which is not observed in irradiated Bi2212 sample. The observed peak effect is likely to orginate from the 'matching effect'.

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JO - Physica C: Superconductivity and its applications

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ER -

Comparative study of the flux pinning by columnar defects in high-T_c superconductors

Abstract

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