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https://doi.org/10.1063/1.2168434
Title: | Molecular-beam epitaxy growth and magnetic properties of BeTe with Cr doping | Authors: | Viloane, K. Sreenivasan, M.G. Teo, K.L. Liew, T. Chong, T.C. |
Issue Date: | 2006 | Citation: | Viloane, K., Sreenivasan, M.G., Teo, K.L., Liew, T., Chong, T.C. (2006). Molecular-beam epitaxy growth and magnetic properties of BeTe with Cr doping. Journal of Applied Physics 99 (8) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2168434 | Abstract: | We report the growth and magnetic properties of BeTe with Cr doping grown on GaAs(001) substrate at Te-rich condition by solid-source molecular-beam epitaxy. Ferromagnetisms were observed for films with high Cr concentration, x. The Curie temperatures TC for x=0.13 and x=0.17 are 175±5 K, while the TC for x=0.27 is 250±5 K. Structural properties were studied by in situ reflection high-energy electron diffraction, atomic force microscopy, and x-ray diffraction. Be1-x Mnx Te and Cr1-δ Te films were also grown and compared with the Be(Cr)Te films. We show that the ferromagnetic ordering of Be(Cr)Te films can be attributed to precipitations of NiAs Cr1-δ Te. © 2006 American Institute of Physics. | Source Title: | Journal of Applied Physics | URI: | http://scholarbank.nus.edu.sg/handle/10635/56689 | ISSN: | 00218979 | DOI: | 10.1063/1.2168434 |
Appears in Collections: | Staff Publications |
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