Studies on the electronic structure and superconducting behavior of the intermetallic compounds ABi sub 2 (A = K, Rb, Cs)

Journal Article · Wed Jul 01 04:00:00 EDT 1992 · Journal of Low Temperature Physics; (United States)

DOI:https://doi.org/10.1007/BF00122555· OSTI ID:7143838

Sankaralingam, S ^[1]; Mathi Jaya, S; Asokamani, R ^[2]

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1. Presidency College, Madras (India)
2. Anna Univ., Madras (India)

The first ever band-structure calculations performed for the intermetallic compounds ABi{sub 2} (A = K, Rb, Cs) using the Linear Muffin-Tin Orbital Method are reported. Metallicity in these compounds is found to be primarily due to the A-Bi bonding and the density of states at the Fermi energy is found to be mainly due to the Bi-6p electrons. As the A-atom of these compounds belong to the same group, the calculated band structures and the other parameters such as E{sub F}, N(E{sub F}) etc. exhibit similar characteristics. With the use of the results of the band structure calculations, their superconducting properties are also studied. The theoretically calculated values of {Tc} are found to be in good agreement with the corresponding experimental values.

• OSTI ID: 7143838
• Journal Information: Journal of Low Temperature Physics; (United States), Journal Name: Journal of Low Temperature Physics; (United States) Vol. 88:1-2; ISSN 0022-2291; ISSN JLTPA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
360107 -- Metals & Alloys-- Superconducting Properties-- (1992-)
ALLOYS
BISMUTH ALLOYS
CALCULATION METHODS
CESIUM ALLOYS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRONIC STRUCTURE
INTERMETALLIC COMPOUNDS
PHYSICAL PROPERTIES
POTASSIUM ALLOYS
RUBIDIUM ALLOYS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE