Shubnikov-de Haas Effect in (Cd1−x−yZnxMny)3As2 under Pressure

We have investigated the Shubnikov‐de Haas effect in single crystals of the group II‐V diluted magnetic semiconductors (Cd1−x−yZnxMny)AS2(x + y = 0.3, y = 0.06 and 0.08) at temperatures T = 4.2 to 16 K and magnetic fields B = 0 to 6.5 T under hydrostatic pressure p up to 14 kbar. Values of the cyclo...

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Veröffentlicht in:physica status solidi (b) 1996-11, Vol.198 (1), p.135-141
Hauptverfasser: Laiho, R., Lisunov, K. G., Shubnikov, M. L., Stamov, V. N., Zakhvalinskii, V. S.
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Sprache:eng
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Zusammenfassung:We have investigated the Shubnikov‐de Haas effect in single crystals of the group II‐V diluted magnetic semiconductors (Cd1−x−yZnxMny)AS2(x + y = 0.3, y = 0.06 and 0.08) at temperatures T = 4.2 to 16 K and magnetic fields B = 0 to 6.5 T under hydrostatic pressure p up to 14 kbar. Values of the cyclotron mass mc, the effective g‐factor g*, and the Dingle temperature TD have been determined. In both specimens a linear field dependence mc(B) = m c* + αB is observed, where m c* is independent of B but increases with pressure and where a does not depend on p and B. Additionally, pressure dependencies of g*, TD and the Hall mobility μR are observed. The dependence of m c* and g*, on p is interpreted within the three‐band Kane model. The decrease of μR and TD with increasing pressure is consistent with an increase of m c*.
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.2221980119