Vapor pressure and thermodynamics of actinide metals
Conference
·
· ACS Symp. Ser.; (United States)
OSTI ID:6509419
- Los Alamos Scientific Lab., NM
Precise vapor pressure measurements by target collection/mass spectrometric Knudsen effusion techniques were combined with crystal entropy estimates to produce self-consistent free-energy functions, permitting calculation of heats, entropies and free energies from 298 K to the highest temperatures of measurement. The vapor pressures and thermodynamics of vaporization of americium, curium, berkelium, and californium are compared in terms of electronic structure and bonding trends in the transplutonium elements. These results are contrasted with the behavior of the early actinides, with attention to energy states and possible effects of f-electron bonding. 9 figures, 4 tables.
- OSTI ID:
- 6509419
- Report Number(s):
- CONF-790917-P4; TRN: 81-010538
- Journal Information:
- ACS Symp. Ser.; (United States), Vol. 131; Conference: American Chemical Society national meeting, Washington, DC, USA, 10 Sep 1979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
ACTINIDES
THERMODYNAMIC PROPERTIES
TRANSPLUTONIUM ELEMENTS
ELECTRONIC STRUCTURE
ENTROPY
FORMATION HEAT
SPECIFIC HEAT
VAPOR PRESSURE
ELEMENTS
ENTHALPY
METALS
PHYSICAL PROPERTIES
REACTION HEAT
TRANSURANIUM ELEMENTS
360104* - Metals & Alloys- Physical Properties
400702 - Radiochemistry & Nuclear Chemistry- Properties of Radioactive Materials
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
ACTINIDES
THERMODYNAMIC PROPERTIES
TRANSPLUTONIUM ELEMENTS
ELECTRONIC STRUCTURE
ENTROPY
FORMATION HEAT
SPECIFIC HEAT
VAPOR PRESSURE
ELEMENTS
ENTHALPY
METALS
PHYSICAL PROPERTIES
REACTION HEAT
TRANSURANIUM ELEMENTS
360104* - Metals & Alloys- Physical Properties
400702 - Radiochemistry & Nuclear Chemistry- Properties of Radioactive Materials