Martin, J. I., B. Wuyts, M. Maenhoudt, E. Osquiguil, J. L. Vicent, V. V. Moshchalkov, and Y. Bruynseraede. "Sign reversal of the flux flow Hall effect in oxygen deficient YBa2Cu3Ox films." Physica C: Superconductivity and its applications 235-240, no. PART 2 (1994): 1451–1452.
Abstract: The Hall effect of high temperature superconductors has been reported to slow in some cases a striking sign reversal near Tc, the origin of which is not yet fully understood. We report on measurements of the Hall effect in the mixed state of oxygen deficient YBa2Cu3Ox thin films, for 7?