Antiferromagnetic order in superconducting UPt[sub 3]: An x-ray magnetic scattering study (invited)

The temperature dependence of the antiferromagnetic order in superconducting UPt[sub 3] has been measured using x-ray resonance magnetic scattering. The magnetic Bragg intensity at [ital Q]=(1/2,0,2) grows linearly from [ital T][sub [ital N]]=5 K to [ital T][congruent]0.6 K ([ital T][sub [ital C]+]=...

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Bibliographic Details
Published inJournal of applied physics Vol. 76:10
Main Authors Isaacs, E.D., Zschack, P., Ramirez, A.P., Oglesby, C.S., Bucher, E.
Format Journal Article
LanguageEnglish
Published United States 15.11.1994
Subjects
360107 > Metals & Alloys > Superconducting Properties > (1992-)
ACTINIDE COMPOUNDS
ANTIFERROMAGNETISM
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
INELASTIC SCATTERING
IONIZING RADIATIONS
MAGNETISM
MATERIALS SCIENCE
ORDER PARAMETERS
PHYSICAL PROPERTIES
PLATINUM COMPOUNDS
RADIATIONS
RESONANCE SCATTERING
SCATTERING
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE
TEMPERATURE RANGE 0000-0013 K
TRANSITION ELEMENT COMPOUNDS 360104 > Metals & Alloys > Physical Properties
URANIUM COMPOUNDS
X RADIATION
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Summary:The temperature dependence of the antiferromagnetic order in superconducting UPt[sub 3] has been measured using x-ray resonance magnetic scattering. The magnetic Bragg intensity at [ital Q]=(1/2,0,2) grows linearly from [ital T][sub [ital N]]=5 K to [ital T][congruent]0.6 K ([ital T][sub [ital C]+]=0.53 K), where it becomes suppressed with temperature to a reduction of [similar to]6% at [ital T]=180 mK. These results demonstrate a coupling of the superconducting and antiferromagnetic order parameters and are consistent with a suppression in the magnitude of the ordered moments below [ital T][sub [ital c]] when compared with previously obtained neutron-scattering data.
Bibliography:AC05-84OR21400
None
ISSN:0021-8979
1089-7550
DOI:10.1063/1.358330