Low-Temperature Transport Properties of the Alkali Metals. II. The Transport Coefficients
A previous theory is applied to the direct calculation of the ideal'' electrical and thermal resistivities and phonon drag'' thermoelectric power of the alkali metals. All 3 coefficients depend, in magnitude and as functions of temperature, on the Fermi surface shape and on the lattice spectrum. If it is assumed that the latter is identical in form for all the metals in the group, the observed transport coefficients are consistent with a Fermi surface which is distorted in lithium, becomes nearly spherical in sodium and potassium, and is again distorted in rubidium and cesium. The argument is not sufficiently accurate to discriminate between s-like and p-like symmetry in each case, nor to decide whether the Fermi surface actually touches the zone boundary; the phonon drag effect is also very sensitive to the purity of the specimen.
- Research Organization:
- Cambridge Univ., Eng.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-002367
- OSTI ID:
- 4832930
- Journal Information:
- Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences, Journal Name: Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences Journal Issue: 1316 Vol. 264; ISSN 1364-5021
- Publisher:
- The Royal Society Publishing
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALI METALS
CESIUM
CONFIGURATION
ELECTRIC CONDUCTIVITY
FERMI LEVEL
FERMIONS
IMPURITIES
INTERACTIONS
LATTICES
LITHIUM
LOW TEMPERATURE
NUMERICALS
P-WAVE
PARTICLE MODELS
PHONONS
POTASSIUM
QUANTUM MECHANICS
RUBIDIUM
S-WAVE
SCATTERING
SODIUM
SPECTRA
STATISTICS
SURFACES
SYMMETRY
TEMPERATURE
THERMAL CONDUCTIVITY
THERMOELECTRICITY
TRANSPORT THEORY