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- Title
Thermoelectric properties and ferromagnetism of diluted magnetic semiconductors Sb<sub>2 − x </sub>Cr<sub> x </sub>Te<sub>3</sub>.
- Authors
Tarasov, P. MJ.; Kulbachinskiĭ, V. A.; Kytin, V. G.
- Abstract
Thermoelectric properties of single crystals of a new dilute magnetic semiconductor p-Sb2 − x Cr x Te3 are studied in the temperature interval 7–300 K. The temperature dependences of the thermal conductivity are measured. The Seebeck coefficient S is found to increase upon doping with Cr. At low temperatures, a ferromagnetic phase with Curie temperature T C ≈ 5.8 K exists for a Cr concentration x = 0.0215, its easy magnetization axis being parallel to the crystallographic axis C 3. At T = 4.2 K, a negative magnetoresistance and anomalous Hall effect are observed; in strong magnetic fields, the Shubnikov-de Haas effect is manifested.
- Subjects
THERMOELECTRICITY; THERMOELECTRIC materials; SEMICONDUCTORS; MAGNETIC fields; ELECTRIC resistance; ELECTRIC currents
- Publication
Journal of Experimental & Theoretical Physics, 2007, Vol 105, Issue 1, p21
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776107070060