A uniform description of irreversibility lines for various high-Tc superconductors

G. Fuchs; K. A. Nenkov; A. Attenberger; K. Lüders; M. Baenitz; C. Ecker; K. Kajikawa; E. V. Antipov; H. R. Khan

doi:10.1016/S0921-4534(01)00083-1

A uniform description of irreversibility lines for various high-T_c superconductors

G. Fuchs, K. A. Nenkov, A. Attenberger, K. Lüders, M. Baenitz, C. Ecker, K. Kajikawa, E. V. Antipov, H. R. Khan

Superconductive Systems Engineering Laboratory

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

14 Citations (Scopus)

Abstract

For a variety of high-T_c superconducting systems with two-dimensional flux lattices the irreversibility lines can be described in a uniform manner by the theory of Matsushita which is based on a depinning mechanism caused by thermally activated flux creep. Two Bi-based and two Hg-based samples are selected for which in some cases the measurements are extended to magnetic fields up to 21 and 14 T, respectively. The theoretical description fits well in the whole temperature ranges between about 0.25T_c and T_c. The activation energy for flux creep U₀ increases almost parabolically with decreasing temperature.

Original language	English
Pages (from-to)	299-306
Number of pages	8
Journal	Physica C: Superconductivity and its applications
Volume	355
Issue number	3-4
DOIs	https://doi.org/10.1016/S0921-4534(01)00083-1
Publication status	Published - Jun 15 2001

All Science Journal Classification (ASJC) codes

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(01)00083-1

Cite this

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title = "A uniform description of irreversibility lines for various high-Tc superconductors",

abstract = "For a variety of high-Tc superconducting systems with two-dimensional flux lattices the irreversibility lines can be described in a uniform manner by the theory of Matsushita which is based on a depinning mechanism caused by thermally activated flux creep. Two Bi-based and two Hg-based samples are selected for which in some cases the measurements are extended to magnetic fields up to 21 and 14 T, respectively. The theoretical description fits well in the whole temperature ranges between about 0.25Tc and Tc. The activation energy for flux creep U0 increases almost parabolically with decreasing temperature.",

author = "G. Fuchs and Nenkov, {K. A.} and A. Attenberger and K. L{\"u}ders and M. Baenitz and C. Ecker and K. Kajikawa and Antipov, {E. V.} and Khan, {H. R.}",

note = "Funding Information: The authors wish to acknowledge helpful discussions with L. Schultz and stimulating correspondence with T. Matsushita. The work was supported by the “Volkswagen-Stiftung” (grant no. I/75 849).",

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AU - Fuchs, G.

AU - Nenkov, K. A.

AU - Attenberger, A.

AU - Lüders, K.

AU - Baenitz, M.

AU - Ecker, C.

AU - Kajikawa, K.

AU - Antipov, E. V.

AU - Khan, H. R.

N1 - Funding Information: The authors wish to acknowledge helpful discussions with L. Schultz and stimulating correspondence with T. Matsushita. The work was supported by the “Volkswagen-Stiftung” (grant no. I/75 849).

PY - 2001/6/15

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AB - For a variety of high-Tc superconducting systems with two-dimensional flux lattices the irreversibility lines can be described in a uniform manner by the theory of Matsushita which is based on a depinning mechanism caused by thermally activated flux creep. Two Bi-based and two Hg-based samples are selected for which in some cases the measurements are extended to magnetic fields up to 21 and 14 T, respectively. The theoretical description fits well in the whole temperature ranges between about 0.25Tc and Tc. The activation energy for flux creep U0 increases almost parabolically with decreasing temperature.

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ER -

A uniform description of irreversibility lines for various high-T_c superconductors

Abstract

All Science Journal Classification (ASJC) codes

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