Equilibrium magnetization of a Bi[sub 2]Sr[sub 2]CaCu[sub 2]O[sub [ital x]] single crystal measured up to 20 T

Journal Article · Mon May 30 00:00:00 EDT 1994 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.72.3614· OSTI ID:7049465

Martinez, J C; van der Linden, P J.E.M.; Bulaevskii, L N; Brongersma, S; Koshelev, A; Perenboom, J A.A.J.; Menovsky, A A; Kes, P H ^[1]

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1. Kamerlingh Onnes Laboaratory, Leiden University, 2300 RA Leiden (Netherlands) High Field Magnet Laboratory, University of Nijmegen, 6525 ED Nijmegen (Netherlands) Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States) Department of Physics, Free University, 1081 HV Amsterdam (Netherlands) Department of Physics, Univeristy of Amsterdam, 1018 XE Amsterdam (Netherlands)

The reversible magnetization of a high quality Bi[sub 2]Sr[sub 2]CaCu[sub 2]O[sub [ital x]] crystal has been measured by torque magnetometry at fields up to 20 T and temperatures ranging from 40 to 100 K. For fields above 7 T the superconducting diamagnetic moment follows a simple London-like behavior ([ital M][sub [ital S]][proportional to]ln[ital B]). For lower fields, we observe a strong dependence of [ital dM][sub [ital S]]/[ital d]ln[ital B] on the magnetic field [ital B]. The results are discussed in terms of quantum and classical fluctuations of pancake vortices.

• OSTI ID: 7049465
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 72:22; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

665411* -- Basic Superconductivity Studies-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
EQUATIONS
HIGH-TC SUPERCONDUCTORS
LONDON EQUATION
MAGNETIC FLUX
MAGNETIZATION
MAGNETOMETERS
MEASURING INSTRUMENTS
OXIDES
OXYGEN COMPOUNDS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS