Improvement of the Intergranular Pinning Energy in the (BiPb)2Sr2Ca2Cu3O10+δ Superconductors Doped with High Valancy Cations

被引：19

作者：

Yazici, Duygu ^{[1
]}

Erdem, Murat ^{[2
]}

Ozcelik, Bekir ^{[1
]}

机构：

[1] Cukurova Univ, Fac Sci & Letters, Dept Phys, TR-01330 Adana, Turkey

[2] Abant Izzet Baysal Univ, Fac Sci & Letters, Dept Phys, TR-14280 Golkoy, Bolu, Turkey

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2012年 / 25卷 / 04期

关键词：

High-T-c superconductors; Magnetoresistance; Pinning energy; Flux pinning; HIGH-TEMPERATURE SUPERCONDUCTORS; ACTIVATED FLUX-CREEP; EASY VORTEX MOTION; MAGNETIC-FIELD; GD(BA2-XPRX)CU3O7+DELTA SYSTEM; DISSIPATION MECHANISM; TRANSPORT-PROPERTIES; CRITICAL CURRENTS; THIN-FILM; TRANSITION;

D O I：

10.1007/s10948-011-1331-1

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In the present work, Bi-Pb-V-Sr-Ca-Cu-Ti-O bulk samples with nominal composition (BiPb)(2)V (x) Sr2Ca3Cu4-y Ti (y) O12+delta with x=0.1 and y=0.050, 0.10, 0.2, and 0.3 have been prepared by the melt-quenching method. The magnetoresistance of the samples has been measured for different values of the applied magnetic field. The thermally activated flux creep model has been studied in order to calculate the flux pinning energies. The flux pinning energies calculated increase with increasing Ti-content, and decrease with applied magnetic field.

引用

页码：725 / 729

页数：5

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