The Conduction Band Parameters and Scattering Mechanisms in Solid Solutions Based on Bi 2 Te 3 | Zendy

Kutasov V. A. | Zendy; Lukyanova L. N. | Zendy

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The Conduction Band Parameters and Scattering Mechanisms in Solid Solutions Based on Bi 2 Te 3

Author(s) -

Kutasov V. A.,

Lukyanova L. N.

Publication year - 1989

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221540226

Subject(s) - scattering , tilt (camera) , condensed matter physics , tensor (intrinsic definition) , conduction band , thermal conduction , effective mass (spring–mass system) , degeneracy (biology) , charge carrier , physics , electronic band structure , materials science , optics , thermodynamics , electron , quantum mechanics , mathematics , geometry , bioinformatics , biology

Experimental weak‐field galvanomagnetic data are used to determine some conduction band parameters (the ratios of the effective mass tensor components m i / m j , the tilt angle of the principal axes of the constant energy ellipsoids, and the degeneracy parameter) using the many‐valley model of the band structure for n‐Bi 2 Te 3 and its solid solutions. The charge carrier scattering mechanism is discussed. It is shown that the scattering parameter is not equal to −0.5, e.g. the value specifies for the acoustic scattering mechanism. The effective scattering parameter r eff is calculated and its temperature and concentration dependences are found.

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