Published April 6, 1987
| Version v1
Journal article
Magnetic excitations and ordering in the heavy-electron superconductor URu2Si2
Creators
- 1. Riso National Laboratory, DK-4000 Roskilde, Denmark
Description
Neutron scattering demonstrates the coexistence of antiferromagnetic order and superconductivity below 1 K in the heavy-electron system URu2Si2. It is found that the upper (17.5 K) transition is to an antiferromagnetic phase with a (100) modulation wave vector and spins along the tetragonal c-axis. The ordered moment is unusually small, (0.03 +- 0.01)μ/sub B/. However, spin waves develop from damped, finite-gap excitations above T/sub N/, and they are intense, propagating, and longitudinal with a zone centre gap of 1.8 meV
Additional details
Publishing Information
- Journal Title
- Phys. Rev. Lett.
- Journal Volume
- 58
- Journal Issue
- 14
- Series
- Phys. Rev. Lett.
- Journal Page Range
- 1467-1470
- ISSN
- 0031-9007
- CODEN
- PRLTA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 18060040
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- ANTIFERROMAGNETISM; DAMPING; FLUCTUATIONS; HEAVY LEPTONS; NEUTRON DIFFRACTION; RUTHENIUM SILICIDES; SPIN WAVES; SUPERCONDUCTIVITY; SUPERCONDUCTORS; ULTRALOW TEMPERATURE; URANIUM SILICIDES; VERY LOW TEMPERATURE
- Descriptors DEC
- ACTINIDE COMPOUNDS; COHERENT SCATTERING; DIFFRACTION; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELEMENTARY PARTICLES; FERMIONS; LEPTONS; MAGNETISM; PHYSICAL PROPERTIES; RUTHENIUM COMPOUNDS; SCATTERING; SILICIDES; SILICON COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; URANIUM COMPOUNDS; VARIATIONS