Inelastic neutron scattering studies of the phonon spectra of Chevrel-phase superconductors. [SnMo/sub 6/S/sub 8/, PbMo/sub 6/S/sub 8/, Mo/sub 6/Se/sub 8/, Pb/sub 1/. /sub 2/Mo/sub 6/Se/sub 8/]
Conference
·
OSTI ID:7341361
Phonon spectra are obtained using inelastic neutron scattering by polycrystals of the Chevrel-phase superconductors SnMo/sub 6/S/sub 8/, PbMo/sub 6/S/sub 8/, Mo/sub 6/Se/sub 8/, and Pb/sub 1/./sub 2/Mo/sub 6/Se/sub 8/. Modes associated primarily with Sn (or Pb) atomic displacements are clearly identified. Acoustic softening on cooling is noted for SnMo/sub 6/S/sub 8/. Anharmonicity and the superconductivity are discussed utilizing the molecular-crystal concept.
- Research Organization:
- Argonne National Lab., Ill. (USA); California Univ., San Diego, La Jolla (USA). Inst. of Pure and Applied Physical Sciences
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 7341361
- Report Number(s):
- CONF-760464-3
- Country of Publication:
- United States
- Language:
- English
Similar Records
High field properties of SnMo/sub 6/S/sub 8/ and PbMo/sub 6/S/sub 8/ ribbons prepared using a vapor transport technique
Upper limit for the anharmonicity of the cation modes in the superconducting Chevrel-phase compounds PbMo/sub 6/S/sub 8/ and SnMo/sub 6/S/sub 8/
New synthesis route of PbMo{sub 6}S{sub 8} superconducting Chevrel phase from ultrafine precursor mixtures. 1: PbS, MoS{sub 2} and Mo powders
Conference
·
Mon Sep 01 00:00:00 EDT 1986
·
OSTI ID:6973045
Upper limit for the anharmonicity of the cation modes in the superconducting Chevrel-phase compounds PbMo/sub 6/S/sub 8/ and SnMo/sub 6/S/sub 8/
Journal Article
·
Tue Sep 01 00:00:00 EDT 1987
· J. Low Temp. Phys.; (United States)
·
OSTI ID:5417770
New synthesis route of PbMo{sub 6}S{sub 8} superconducting Chevrel phase from ultrafine precursor mixtures. 1: PbS, MoS{sub 2} and Mo powders
Journal Article
·
Sat Jan 31 23:00:00 EST 1998
· Materials Research Bulletin
·
OSTI ID:605688
Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANHARMONIC CRYSTALS
CHALCOGENIDES
COHERENT SCATTERING
CRYSTALS
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
INELASTIC SCATTERING
LEAD COMPOUNDS
LEAD SELENIDES
LEAD SULFIDES
MOLYBDENUM COMPOUNDS
MOLYBDENUM SELENIDES
MOLYBDENUM SULFIDES
NEUTRON DIFFRACTION
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
SCATTERING
SELENIDES
SELENIUM COMPOUNDS
SPECTRA
SULFIDES
SULFUR COMPOUNDS
SUPERCONDUCTIVITY
TIN COMPOUNDS
TIN SULFIDES
TRANSITION ELEMENT COMPOUNDS
360603* -- Materials-- Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANHARMONIC CRYSTALS
CHALCOGENIDES
COHERENT SCATTERING
CRYSTALS
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
INELASTIC SCATTERING
LEAD COMPOUNDS
LEAD SELENIDES
LEAD SULFIDES
MOLYBDENUM COMPOUNDS
MOLYBDENUM SELENIDES
MOLYBDENUM SULFIDES
NEUTRON DIFFRACTION
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
SCATTERING
SELENIDES
SELENIUM COMPOUNDS
SPECTRA
SULFIDES
SULFUR COMPOUNDS
SUPERCONDUCTIVITY
TIN COMPOUNDS
TIN SULFIDES
TRANSITION ELEMENT COMPOUNDS