CR
C. Rossel
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1
Journal article
(1998)
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R. Surdeanu, R. Wijngaarden, B. Dam, J. Rector, R. Griessen, C. Rossel, Z.F. Ren, J.H. Wang
In this study the role of anisotropy on flux penetration in c-axis epitaxial Tl2Ba2CuO6+𝑥 and YBa2Cu3O7−𝑥 films is investigated by magneto-optics. We study thin films of Tl2Ba2CuO6+𝑥 on substrates with vicinal angles of 0° (well-oriented), 0.5°, 2.5°, and 4° and YBa2Cu3O7−𝑥 films as a function of chain-conduction-induced anisotropy. A crossover from fractal to nonfractal flux penetration is observed with increasing anisotropy. Numerical simulations of anisotropic flux motion are compared with experiment.
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In this study the role of anisotropy on flux penetration in c-axis epitaxial Tl2Ba2CuO6+𝑥 and YBa2Cu3O7−𝑥 films is investigated by magneto-optics. We study thin films of Tl2Ba2CuO6+𝑥 on substrates with vicinal angles of 0° (well-oriented), 0.5°, 2.5°, and 4° and YBa2Cu3O7−𝑥 films as a function of chain-conduction-induced anisotropy. A crossover from fractal to nonfractal flux penetration is observed with increasing anisotropy. Numerical simulations of anisotropic flux motion are compared with experiment.