Suppression of vortex motion in La1.85Sr0.15CuO4 with the splayed configuration of columnar defects

X. Fan; M. Terasawa; T. Mitamura; T. Kohara; K. Ueda; H. Tsubakino; T. Kambara; Y. Awaya; M. Matsuda; G. Tatara; K. Fukushima; N. Takezawa

doi:10.1016/S0921-4534(97)01167-2

Suppression of vortex motion in La_1.85Sr_0.15CuO₄ with the splayed configuration of columnar defects

X. Fan, M. Terasawa, T. Mitamura, T. Kohara, K. Ueda, H. Tsubakino, T. Kambara, Y. Awaya, M. Matsuda, G. Tatara, K. Fukushima, N. Takezawa

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Abstract

Remarkable enhancements of the critical current density J_c were obtained in polycrystalline La_1.85Sr_0.15CuO₄ with the splayed configuration of the columnar defects which were introduced by 3.5 GeV Xe ion irradiation with splay angles θ=0°, ±5° and ±10°. In addition J_c increased with the irradiation dose from 1.0×10¹¹ 3.0×10¹¹ ions/cm². Larger upward shift of the irreversibility line for the splayed configuration, in comparison with conventional parallel configuration, was observed. The results suggest that the vortex motion in La_1.85Sr_0.15CuO₄ is suppressed effectively by the splayed irradiation.

Original language	English
Pages (from-to)	2105-2106
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)01167-2
State	Published - Aug 1997
Externally published	Yes

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Fan, X., Terasawa, M., Mitamura, T., Kohara, T., Ueda, K., Tsubakino, H., Kambara, T., Awaya, Y., Matsuda, M., Tatara, G., Fukushima, K., & Takezawa, N. (1997). Suppression of vortex motion in La_1.85Sr_0.15CuO₄ with the splayed configuration of columnar defects. Physica C: Superconductivity and its Applications, 282(PART 4), 2105-2106. https://doi.org/10.1016/S0921-4534(97)01167-2

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title = "Suppression of vortex motion in La1.85Sr0.15CuO4 with the splayed configuration of columnar defects",

abstract = "Remarkable enhancements of the critical current density Jc were obtained in polycrystalline La1.85Sr0.15CuO4 with the splayed configuration of the columnar defects which were introduced by 3.5 GeV Xe ion irradiation with splay angles θ=0°, ±5° and ±10°. In addition Jc increased with the irradiation dose from 1.0×1011 3.0×1011 ions/cm2. Larger upward shift of the irreversibility line for the splayed configuration, in comparison with conventional parallel configuration, was observed. The results suggest that the vortex motion in La1.85Sr0.15CuO4 is suppressed effectively by the splayed irradiation.",

author = "X. Fan and M. Terasawa and T. Mitamura and T. Kohara and K. Ueda and H. Tsubakino and T. Kambara and Y. Awaya and M. Matsuda and G. Tatara and K. Fukushima and N. Takezawa",

year = "1997",

month = aug,

doi = "10.1016/S0921-4534(97)01167-2",

language = "English",

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journal = "Physica C: Superconductivity and its Applications",

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Fan, X, Terasawa, M, Mitamura, T, Kohara, T, Ueda, K, Tsubakino, H, Kambara, T, Awaya, Y, Matsuda, M, Tatara, G, Fukushima, K & Takezawa, N 1997, 'Suppression of vortex motion in La_1.85Sr_0.15CuO₄ with the splayed configuration of columnar defects', Physica C: Superconductivity and its Applications, vol. 282, no. PART 4, pp. 2105-2106. https://doi.org/10.1016/S0921-4534(97)01167-2

TY - JOUR

T1 - Suppression of vortex motion in La1.85Sr0.15CuO4 with the splayed configuration of columnar defects

AU - Fan, X.

AU - Terasawa, M.

AU - Mitamura, T.

AU - Kohara, T.

AU - Ueda, K.

AU - Tsubakino, H.

AU - Kambara, T.

AU - Awaya, Y.

AU - Matsuda, M.

AU - Tatara, G.

AU - Fukushima, K.

AU - Takezawa, N.

PY - 1997/8

Y1 - 1997/8

N2 - Remarkable enhancements of the critical current density Jc were obtained in polycrystalline La1.85Sr0.15CuO4 with the splayed configuration of the columnar defects which were introduced by 3.5 GeV Xe ion irradiation with splay angles θ=0°, ±5° and ±10°. In addition Jc increased with the irradiation dose from 1.0×1011 3.0×1011 ions/cm2. Larger upward shift of the irreversibility line for the splayed configuration, in comparison with conventional parallel configuration, was observed. The results suggest that the vortex motion in La1.85Sr0.15CuO4 is suppressed effectively by the splayed irradiation.

AB - Remarkable enhancements of the critical current density Jc were obtained in polycrystalline La1.85Sr0.15CuO4 with the splayed configuration of the columnar defects which were introduced by 3.5 GeV Xe ion irradiation with splay angles θ=0°, ±5° and ±10°. In addition Jc increased with the irradiation dose from 1.0×1011 3.0×1011 ions/cm2. Larger upward shift of the irreversibility line for the splayed configuration, in comparison with conventional parallel configuration, was observed. The results suggest that the vortex motion in La1.85Sr0.15CuO4 is suppressed effectively by the splayed irradiation.

UR - http://www.scopus.com/inward/record.url?scp=0031210431&partnerID=8YFLogxK

U2 - 10.1016/S0921-4534(97)01167-2

DO - 10.1016/S0921-4534(97)01167-2

M3 - Article

AN - SCOPUS:0031210431

SN - 0921-4534

VL - 282

SP - 2105

EP - 2106

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - PART 4

ER -

Suppression of vortex motion in La_1.85Sr_0.15CuO₄ with the splayed configuration of columnar defects

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