Specific heat of LuH/sub x/ below 2 K
Conference
·
OSTI ID:6469554
Specific heat measurements on LuH/sub x/ (0.001 less than or equal to x less than or equal to 0.014) revealed a large anomaly above 0.1 K, which is thought to be due to H-tunneling. The results indicate tunneling energies of about 1 K and suggest the presence of strain induced interaction effects between different tunneling H-atoms. It is proposed that the H-atoms in Lu occupy a system of off center tunneling positions in interstitial octahedral sites.
- Research Organization:
- Ames Lab., IA (USA); Bayerische Akademie der Wissenschaften, Garching (Germany, F.R.). Zentralinstitut fuer Tieftemperaturforschung
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 6469554
- Report Number(s):
- IS-M-331; CONF-810809-13; ON: DE81025451
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656000 -- Condensed Matter Physics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
HYDRIDES
HYDROGEN COMPOUNDS
INTERSTITIALS
LUTETIUM COMPOUNDS
LUTETIUM HYDRIDES
PHYSICAL PROPERTIES
POINT DEFECTS
RARE EARTH COMPOUNDS
SPECIFIC HEAT
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TUNNEL EFFECT
ULTRALOW TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656000 -- Condensed Matter Physics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
HYDRIDES
HYDROGEN COMPOUNDS
INTERSTITIALS
LUTETIUM COMPOUNDS
LUTETIUM HYDRIDES
PHYSICAL PROPERTIES
POINT DEFECTS
RARE EARTH COMPOUNDS
SPECIFIC HEAT
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TUNNEL EFFECT
ULTRALOW TEMPERATURE