Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3548829
Title: Magnetism and magnetotransport studies in Ge0.9Mn 0.1Te
Authors: Lim, S.T. 
Bi, J.F. 
Teo, K.L. 
Liew, T. 
Issue Date: 1-Apr-2011
Citation: Lim, S.T., Bi, J.F., Teo, K.L., Liew, T. (2011-04-01). Magnetism and magnetotransport studies in Ge0.9Mn 0.1Te. Journal of Applied Physics 109 (7) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3548829
Abstract: We have investigated the magnetic and magnetotransport properties of Ge1-xMnxTe (x 0.1) grown by molecular-beam epitaxy. Our results show that the sample exhibits two ferromagnetic transition temperatures at TC 34 K and TC 100 K. We infer that T c is a long-range ferromagnetic ordering in view of sufficient carriers generating uniform ferromagnetism, whereas TC is a short-range ferromagnetic ordering due to ferromagnetic clusters. The temperature dependence of the resistivity (T) curve exhibits a shallow minimum near TC. The upturn of (T) toward the low temperature (T TC) is well described by a weak-localization model, whereas in the high-temperature regime (T T C), the phonon scattering dominates. © 2011 American Institute of Physics.
Source Title: Journal of Applied Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/83926
ISSN: 00218979
DOI: 10.1063/1.3548829
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