Observation of flux penetration in Bi2Sr2CaCu2O8+δ crystals with irradiation-induced columnar defects

Th Schuster; M. R. Koblischka; H. Kuhn; H. Kronmüller; M. Leghissa; W. Gerhäuser; G. Saemann-Ischenko; H. W. Neumüller; S. Klaumünzer

doi:10.1103/PhysRevB.46.8496

Observation of flux penetration in Bi2Sr2CaCu2O8+δ crystals with irradiation-induced columnar defects

Th Schuster, M. R. Koblischka, H. Kuhn, H. Kronmüller, M. Leghissa, W. Gerhäuser, G. Saemann-Ischenko, H. W. Neumüller, S. Klaumünzer

研究成果: Article › 査読

2 被引用数 (Scopus)

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Single crystals of Bi2Sr2CaCu2O8+δ (Tc84 K) have been exposed to irradiation with 0.5-GeV I127 ions with various fluences perpendicular to the sample surface and hence parallel to the c axis. This kind of projectile produces columnar defects in the superconductors. By use of the high-resolution Faraday-effect (HRF) technique, domain patterns of the Shubnikov phase are obtained. From the measured flux-density profiles, the acting local pinning forces are determined. To allow direct comparison of the irradiation effects at the same experimental conditions, one-half of all crystals was covered by an absorber during the irradiation. We report fluence-dependent measurements of the pinning forces and the influence of irradiation on flux-creep effects.

本文言語	English
ページ（範囲）	8496-8504
ページ数	9
ジャーナル	Physical Review B
巻	46
号	13
DOI	https://doi.org/10.1103/PhysRevB.46.8496
出版ステータス	Published - 1992 1月 1
外部発表	はい

ASJC Scopus subject areas

凝縮系物理学

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10.1103/PhysRevB.46.8496

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title = "Observation of flux penetration in Bi2Sr2CaCu2O8+δ crystals with irradiation-induced columnar defects",

abstract = "Single crystals of Bi2Sr2CaCu2O8+δ (Tc84 K) have been exposed to irradiation with 0.5-GeV I127 ions with various fluences perpendicular to the sample surface and hence parallel to the c axis. This kind of projectile produces columnar defects in the superconductors. By use of the high-resolution Faraday-effect (HRF) technique, domain patterns of the Shubnikov phase are obtained. From the measured flux-density profiles, the acting local pinning forces are determined. To allow direct comparison of the irradiation effects at the same experimental conditions, one-half of all crystals was covered by an absorber during the irradiation. We report fluence-dependent measurements of the pinning forces and the influence of irradiation on flux-creep effects.",

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AU - Schuster, Th

AU - Koblischka, M. R.

AU - Kuhn, H.

AU - Kronmüller, H.

AU - Leghissa, M.

AU - Gerhäuser, W.

AU - Saemann-Ischenko, G.

AU - Neumüller, H. W.

AU - Klaumünzer, S.

PY - 1992/1/1

Y1 - 1992/1/1

N2 - Single crystals of Bi2Sr2CaCu2O8+δ (Tc84 K) have been exposed to irradiation with 0.5-GeV I127 ions with various fluences perpendicular to the sample surface and hence parallel to the c axis. This kind of projectile produces columnar defects in the superconductors. By use of the high-resolution Faraday-effect (HRF) technique, domain patterns of the Shubnikov phase are obtained. From the measured flux-density profiles, the acting local pinning forces are determined. To allow direct comparison of the irradiation effects at the same experimental conditions, one-half of all crystals was covered by an absorber during the irradiation. We report fluence-dependent measurements of the pinning forces and the influence of irradiation on flux-creep effects.

AB - Single crystals of Bi2Sr2CaCu2O8+δ (Tc84 K) have been exposed to irradiation with 0.5-GeV I127 ions with various fluences perpendicular to the sample surface and hence parallel to the c axis. This kind of projectile produces columnar defects in the superconductors. By use of the high-resolution Faraday-effect (HRF) technique, domain patterns of the Shubnikov phase are obtained. From the measured flux-density profiles, the acting local pinning forces are determined. To allow direct comparison of the irradiation effects at the same experimental conditions, one-half of all crystals was covered by an absorber during the irradiation. We report fluence-dependent measurements of the pinning forces and the influence of irradiation on flux-creep effects.

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Observation of flux penetration in Bi2Sr2CaCu2O8+δ crystals with irradiation-induced columnar defects

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