Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1792740 | Journal of Crystal Growth | 2010 | 4 Pages |
Abstract
The p-type InMnP:Be epilayers, which were prepared by thermal diffusion of Mn through in-situ deposition of Mn layer using molecular beam epitaxy (MBE) onto MBE-grown InP:Be epilayers and subsequent in-situ annealing at 300-350 °C, were investigated. InMnP:Be epilayers prepared by the above sequence clearly showed the Mn-related emission band at 1.1-1.2 eV, which indicates the effective incorporation of Mn2+ ions into the host layer InP:Be. The samples demonstrated very large ferromagnetic hysteresis loops with enhanced coercivity, and the ferromagnetic-to-paramagnetic transition of the samples was observed to occur at â¼85 K. These results suggest that InP-based ferromagnetic semiconductor layers having enhanced ferromagnetism can be effectively formed by the above-mentioned sequential in-situ processes.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Yoon Shon, Sejoon Lee, Tae Won Kang, Youngmin Lee, Seung-Woong Lee, Jin Dong Song, Hyung-Jun Kim, Jeong Ju Lee, Im Taek Yoon,