Analysis of the series of moderately heavy fermion materials: CeSn/sub 3/, USn/sub 3/, and NpSn/sub 3/
Conference
·
OSTI ID:5652325
The materials CeSn/sub 3/, USn/sub 3/, and NpSn/sub 3/ are all moderately heavy Fermion compounds with electronic specific heat coefficients of 73, 169, and 242 mJ/mole K/sup 2/. CeSn/sub 3/ is known as a mixed valent system and NpSn/sub 3/ is a weak itinerant antiferromagnet. All three are strongly enhanced. Being in the relatively simple Au/sub 3/Cu structure, they form an excellent set of materials to study as representatives of strongly enhanced systems. One would like to ascertain what properties can be determined from band calculations based on density functional theory in the local density approximation. It has already been shown that the Fermi surface topology of CeSn/sub 3/ can be well described in this way even though the experimental masses are much larger than the band results. The enhancement factor for USn/sub 3/ is even larger and NpSN/sub 3/ is indeed predicted to go magnetic. We present here fully relativistic SCF calculations for these materials and discuss the relation between our results and what is known experimentally.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5652325
- Report Number(s):
- CONF-8505138-12; ON: DE85014973
- Country of Publication:
- United States
- Language:
- English
Similar Records
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de Haas--van Alphen measurements of mixed valent CeSn/sub 3/
Conference
·
Sun Nov 30 23:00:00 EST 1986
·
OSTI ID:6730179
Band structure aspects of materials with localizing f-orbitals. [UM/sub 3/; CeM/sub 3/; NpSn/sub 3/]
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·
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·
OSTI ID:7241239
de Haas--van Alphen measurements of mixed valent CeSn/sub 3/
Journal Article
·
Sat Feb 28 23:00:00 EST 1981
· J. Appl. Phys.; (United States)
·
OSTI ID:5937572
Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ACTINIDE ALLOYS
ALLOYS
BAND THEORY
CERIUM ALLOYS
ELECTRONIC SPECIFIC HEAT
ENERGY LEVELS
F STATES
FERMI LEVEL
INTERMETALLIC COMPOUNDS
NEPTUNIUM ALLOYS
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
SPECIFIC HEAT
THERMODYNAMIC PROPERTIES
TIN ALLOYS
TIN BASE ALLOYS
URANIUM ALLOYS
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ACTINIDE ALLOYS
ALLOYS
BAND THEORY
CERIUM ALLOYS
ELECTRONIC SPECIFIC HEAT
ENERGY LEVELS
F STATES
FERMI LEVEL
INTERMETALLIC COMPOUNDS
NEPTUNIUM ALLOYS
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
SPECIFIC HEAT
THERMODYNAMIC PROPERTIES
TIN ALLOYS
TIN BASE ALLOYS
URANIUM ALLOYS