The temperature dependence of the magnetic field penetration depth 2 (T) in superconducting YBazCu307\_ a has been determined by measuring the AC susceptibility of fine powder at the frequency l 05 Hz. The reason for noticeable changes in 2 at low temperatures has been found out: strong scattering o
Temperature dependence of anisotropic penetration depth in YBa2Cu3O7 measured on aligned fine powder
โ Scribed by A.M. Neminsky; P.N. Nikolaev
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 420 KB
- Volume
- 212
- Category
- Article
- ISSN
- 0921-4534
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Accurate measurements of the AC susceptibility x(T) have been performed on oriented YBa2Cu307 powder samples of various calibrated sizes at nearly perfect 0 7 oxygen stoichiometry with an AC magnetic field applied either perpendicular or parallel to the ab plane. The changes in x(T) with the average
Accurate measurements of the ac susceptibility x(T) have been performed on YBa2Cu307 powder samples of calibrated size at nearly perfect stoechiometry with an ac magnetic field perpendicular or parallel to the ab plane. Drastic changes in x(T) with the average crystallite size and with the field dir