IMPURITY STATES OF THALLIUM IN LEAD TELLURIDE AND SUPERCONDUCTIVITY OF PBTE:TL
Journal Article
·
· Sov. Phys. - Solid State (Engl. Transl.); (United States)
OSTI ID:5555893
A specific interpretation is given of the differences between the densities of states in the valence band of PbTe crystals doped with Tl and Na impurities. This interpretation is based on the hypothesis of existence of quasilocal resonance states of Tl. The assumption that the Tl impurity states in PbTe behave as centers with a negative correlation energy is used to show that the superconducting state of PbTe:Tl can be accounted for by a nonphonon mechanism proposed by Ting et al.
- Research Organization:
- M. I. KALININ POLYTECHNIC INSTITUTE, LENINGRAD
- OSTI ID:
- 5555893
- Journal Information:
- Sov. Phys. - Solid State (Engl. Transl.); (United States), Journal Name: Sov. Phys. - Solid State (Engl. Transl.); (United States) Vol. 23:12; ISSN SPSSA
- Country of Publication:
- United States
- Language:
- English
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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
ALLOYS
CHALCOGENIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY-LEVEL DENSITY
IMPURITIES
LEAD COMPOUNDS
LEAD TELLURIDES
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
TELLURIDES
TELLURIUM COMPOUNDS
THALLIUM ADDITIONS
THALLIUM ALLOYS
360603* -- Materials-- Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
CHALCOGENIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY-LEVEL DENSITY
IMPURITIES
LEAD COMPOUNDS
LEAD TELLURIDES
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
TELLURIDES
TELLURIUM COMPOUNDS
THALLIUM ADDITIONS
THALLIUM ALLOYS