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|Title:||Effect of hydrostatic pressure in degenerate Ge1-x Mn x Te|
|Authors:||Lim, S.T. |
|Source:||Lim, S.T.,Bi, J.F.,Teo, K.L.,Feng, Y.P.,Liew, T.,Chong, T.C. (2009). Effect of hydrostatic pressure in degenerate Ge1-x Mn x Te. Applied Physics Letters 95 (7) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3211990|
|Abstract:||We utilize the effect of hydrostatic pressure to investigate the magnetotransport properties of degenerate p ?Ge1-x Mnx Te (x=0.10) ferromagnetic semiconductor. The Curie temperature was found to increase with pressure as 0.27 K/kbar, which can be understood on the basis of the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction mechanism. For sufficiently high carrier concentration of po ∼ 1021 cm -3, both the light holes from the L valence band and the heavy holes from the valence band contribute to the RKKY interaction. Additionally, a negative magnetoresistance is observed at low temperature and is found to decrease with pressure. © 2009 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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