Anisotropic low-field magnetization of heavy-fermion superconductor URu{sub 2}Si{sub 2}

Journal Article · Tue Mar 01 00:00:00 EST 1994 · IEEE Transactions on Magnetics

DOI:https://doi.org/10.1109/20.312234· OSTI ID:40265

Koziol, Z; Menovsky, A A; Bakker, K; Franse, J J.M. ^[1]

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1. Univ. van Amsterdam (Netherlands). Van der Waals-Zeeman Lab.

Using a sensitive Hall-probe technique, the magnetization anisotropy of the heavy-fermion superconductor URu{sub 2}Si{sub 2}, with {Tc}= 1.2 K, was studied as a function of magnetic field and temperature on a cube-shaped sample. The estimated first-critical-field values, H{sub c1}, extrapolated to T = 0 are about 10 and 15 Oe for field parallel to the a- and c- crystallographic directions, respectively. The low-field critical-current density, J{sub c}, exhibits a similar anisotropy as H{sub c1} but J{sub c} is suppressed in particular by magnetic field oriented along the c-direction. It is argued that results of magnetization measurements should depend on the sample size and shape.

• OSTI ID: 40265
• Report Number(s): CONF-930860-; ISSN 0018-9464; TRN: IM9520%%460
• Journal Information: IEEE Transactions on Magnetics, Vol. 30, Issue 2Pt2; Conference: EMMA `93: 5th European magnetic materials and applications conference, Kosice (Slovakia), 24-27 Aug 1993; Other Information: PBD: Mar 1994
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
URANIUM ALLOYS
CRITICAL FIELD
CRITICAL CURRENT
RUTHENIUM ALLOYS
SILICON ALLOYS
INTERMETALLIC COMPOUNDS
TEMPERATURE DEPENDENCE
EXPERIMENTAL DATA
TRANSITION TEMPERATURE
SUPERCONDUCTIVITY