1. Curie temperature control by band parameters tuning in Pb(1-x-y-z)Mn(x)Sn(y)Eu(z)Te
- Author
-
Kuryliszyn-Kudelska, I., Dobrowolski, W., Arciszewska, M., Domukhovski, V., Dugaev, V. K., Slyn'ko, V. E., Slyn'ko, E. I., and Fita, I. M.
- Subjects
Condensed Matter - Materials Science - Abstract
We present the study of magnetic and transport properties of Pb(1-x-y-z)Mn(x)Sn(y)Eu(z)Te. AC magnetic susceptibility measurements as well as transport characterization were performed. The obtained results indicate that the presence of two types of magnetic ions influences magnetic properties of investigated IV-VI semimagnetic semiconductor. A qualitative analysis and possible mechanisms of the substantial dependence of the Curie temperature on the Eu content are presented. The most likely reason of the observed Curie temperature behaviour is a strong dependence of the location of a heavy mass Sigma band upon the alloy composition. The theoretical calculations in frame of simple models confirm this point., Comment: 14 pages, 6 figures
- Published
- 2006
- Full Text
- View/download PDF