Paramagnetic Meissner effect in superconducting single crystals of Ba{sub 1-x}K{sub x}BiO{sub 3}

Journal Article · Thu Oct 31 23:00:00 EST 1996 · Journal of Low Temperature Physics

OSTI ID:457215

Kim, H T; Minami, H; Uwe, H ^[1]

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1. Univ. of Tsukuba, Ibaraki (Japan); and others

The paramagnetic Meissner effect (PME) in the field cooled susceptibility has been observed in superconducting single crystals of Ba{sub 1-x}K{sub x}BiO{sub 3} using magnetometers of Quantum-Design Co. The PME is similar to that observed in cuprates and Nb superconductors. For the Ba{sub 0.63}K{sub 0.37}BiO{sub 3} crystal the PME is observed in cooling process under the field up to 750 Oe. The PME was not found in the virgin-charged superconducting magnet. The PME is found in a superconductor with trapped flux and may arise from a remnant field, a temperature inhomogeneity near T{sub c} and a potassium-concentration inhomogeneity.

• OSTI ID: 457215
• Report Number(s): CONF-960808--
• Journal Information: Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Journal Issue: 3-4 Vol. 105; ISSN JLTPAC; ISSN 0022-2291
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM OXIDES
BISMUTH OXIDES
MAGNETIC SUSCEPTIBILITY
MEISSNER-OCHSENFELD EFFECT
MONOCRYSTALS
PARAMAGNETISM
POTASSIUM OXIDES