Pinning strength dependence of mixed-state Hall effect in YBa{sub 2}Cu{sub 3}O{sub 7} crystals with columnar defects
- Applied Physics Group, Korea Institute of Science and Technology, Seoul 130-650 (Korea)
The mixed-state Hall effect of twinned YBa{sub 2}Cu{sub 3}O{sub 7} crystals after heavy-ion irradiation clearly showed that the strong pinning induced by columnar defects not only modifies the scaling behavior between the Hall resistivity and longitudinal resistivity, but affects the temperature dependence of the Hall conductivity. For the irradiated crystals, the scaling exponent at 4 T was found to be 1.5{plus_minus}0.1 compared to 2.0{plus_minus}0.2 for the unirradiated one. The temperature dependence of the Hall conductivity of the irradiated crystals exhibited a clear deviation from that of the unirradiated one at low temperatures. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 284514
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 16 Vol. 76; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
Similar Records
Angular dependence of the hall conductivity in YBa{sub 2}Cu{sub 3}O{sub x} films with columnar defects.
Pinning effect on critical dynamics in YBa{sub 2}Cu{sub 3}O{sub 7-delta} films inherent random disorder and with columnar defects.