High magnetic field studies of YBa/sub 2/Cu/sub 3/O/sub 7/ and NdBa/sub 2/Cu/sub 3/O/sub 7/ single crystals

The authors have measured the upper critical magnetic field H/sub c2/ of single crystals of the high-T/sub c/ superconductors YBa/sub 2/Cu/sub 3/O/sub 7/ and NdBa/sub 2/Cu/sub 3/O/sub 7/ as a function of crystal orientation in DC fields up to 31.5 T. The temperature dependence and anisotropy of H/su...

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Bibliographic Details
Published inIEEE transactions on magnetics Vol. 25; no. 2; pp. 2311 - 2313
Main Authors Moodera, J.S., Tkaczyk, J.E., Tedrow, P.M.
Format Journal Article
LanguageEnglish
Published IEEE 01.03.1989
Subjects
Anisotropic magnetoresistance
Conducting materials
Crystalline materials
Crystals
Magnetic field measurement
Magnetic fields
Neodymium
Scattering
Superconducting magnets
Temperature
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Summary:The authors have measured the upper critical magnetic field H/sub c2/ of single crystals of the high-T/sub c/ superconductors YBa/sub 2/Cu/sub 3/O/sub 7/ and NdBa/sub 2/Cu/sub 3/O/sub 7/ as a function of crystal orientation in DC fields up to 31.5 T. The temperature dependence and anisotropy of H/sub c2/ and inferences concerning spin-orbit scattering are discussed. The lowest value of critical field is obtained for the crystal orientation which makes the applied field perpendicular to the Cu-O planes and is not much different from the values of H/sub c2/ for some conventional superconductors.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.92770