MAGNETIC FIELD AND TEMPERATURE DEPENDENCE OF THERMALLY ACTIVATED DISSIPATION IN EPITAXIAL THIN FILMS OF YBa2 (Cu1-xZnx)3O7-d-Reference-Cited by-同舟云学术

MAGNETIC FIELD AND TEMPERATURE DEPENDENCE OF THERMALLY ACTIVATED DISSIPATION IN EPITAXIAL THIN FILMS OF YBa2 (Cu1-xZnx)3O7-d

Published:2001-09-20 Issue:22 Volume:15 Page:949-957
ISSN:0217-9849
Container-title:Modern Physics Letters B
language:en
Short-container-title:Mod. Phys. Lett. B

Author:

ILONCA G.¹,POP A. V.¹,JURCUT T.²,MOCOCEAN E.²,BEIUSEANU C.²,LUNG C.¹,STIUFIUC G.¹,STIUFIUC R.¹,YE M.³,DELTOUR R.³

Affiliation:

1. Babes-Bolyai University, 3400 Cluj-Napoca, Romania

2. University of Oradea, Oradea, Romania

3. ULB, CP-233, Bd. Du Triomphe, B 1050 Bruxelles, Belgium

Abstract

The scaling behavior of the effective activation energy of high-quality epitaxial c-oriented YBa 2( Cu 1-x Zn x)3 O 7-d thin films has been studied as a function of temperature and magnetic field. For all samples, the effective activation energy scales as U(T, μ0H) = U0(1 - T/T c )mHn with exponent m = 1.6 ± 0.02 - 1.3 ± 0.02 and the field scaling 1/μ0H and - ln μ0H for thick films and ultrathin films, respectively. The results are discussed taking account of the influence of the Zn substitution on the flux pinning in epitaxial YBa 2( Cu 1-x Zn x)3 O 7-d thin films.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217984901002786

Reference29 articles.

1. Giant Flux Creep and Irreversibility in an Y-Ba-Cu-O Crystal: An Alternative to the Superconducting-Glass Model

2. Dissipative flux motion in high-temperature superconductors

3. Hall effect in bulkYBa2(Cu1−xZnx)3O7−δ

4. Nernst, Seebeck, and Hall effects in the mixed state ofYBa2Cu3O7−δandBi2Sr2CaCu2O8+xthin films: A comparative study

5. Structural properties of Zn-substituted epitaxial thin-films

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