Influence of silver on the galvanomagnetic properties and energy spectrum of mixed (Bi1-xSbx)(2)Te-3 crystals

Authors
Kul'bachinskii , VA Kaminskii, AY Kytin, VG Lost'ak, P Drasar, C de Visser, A
Citation
Va. Kul'Bachinskii et al., Influence of silver on the galvanomagnetic properties and energy spectrum of mixed (Bi1-xSbx)(2)Te-3 crystals, J EXP TH PH, 90(6), 2000, pp. 1081-1088
Citations number
10
Categorie Soggetti
Physics
Journal title
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS
ISSN journal
10637761 → ACNP
Volume
90
Issue
6
Year of publication
2000
Pages
1081 - 1088
Database
ISI
SICI code
1063-7761(2000)90:6<1081:IOSOTG>2.0.ZU;2-7
Abstract
An investigation is made of the temperature dependences of the resistivity in the range 4.2-300 K, the Hall effect, and the Shubnikov-de Haas effect i n magnetic fields up to 40 T in (Bi1 - xSbx)(2)Te3Agy single crystals (0 le ss than or equal to x less than or equal to 0.75). Doping (Bi1 - xSbx)(2)Te -3 crystals with silver showed that in Sb2Te3 and (Bi1 - xSbx)(2)Te-3 cryst als unlike Bi2Te3 silver exhibits acceptor properties. The angular and conc entration dependences of the Shubnikov-de Haas effect were studied in (Bi1 - xSbx)(2)Te3Agy. It was established that the anisotropy of the ellipsoids of the upper valence band in Bi0.5Sb1.5Te3 remains unchanged as a result of silver doping. (C) 2000 MAIK "Nauka / Interperiodica".