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Hall effect measurements on YBa2Cu3O7−δ-films with different oxygen defficiency

✍ Scribed by L. Hofmann; Ph. Seng; H. Karl; K. Samwer

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
144 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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✦ Synopsis

We have investigated the puzzling normal-state transport properties of epitaxial YBa2Cu3OT-6 thin films. The Hall coefficient RH (B, T, 6) and the resistance p~z (B, T, 6) were measured for an oxygen deficiency 6 from 0.05 to 0.5. The temperature dependence of the cotangent of the Hall angle cot OH = Px~ (T)/(RH(T) B,) fits the relation cot 8 = a T 2 + C. The value of a at B = 1Tesla for the film with the highest critical temperature T¢ is a = 40 x 10-aK -2. This is in good agreement with reported data.

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