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IJPAP Vol.44(02) [February 2006] >


Title: Room temperature magnetism in Ge based bulk dilute magnetic semiconductors
Authors: Somayajulu, D R S
Patel, Narendra
Chawda, Mukesh
Sarkar, Mitesh
Sebastian, K C
Keywords: Mössbauer spectroscopy
Magnetic semiconductors
Hyperfine interactions
Hall effect
Issue Date: Feb-2006
Publisher: CSIR
IPC CodeB82B3/00
Abstract: Mössbauer spectroscopy was used to study the hyperfine interactions in the Bulk Fe0.008Ge0.992 system. The room temperature magnetism observed in the V and VI group donor impurity (As, Sb, Bi and Te) doped FeGe system is reviewed. Magneto-resistance and Hall effect measurements on these systems are discussed. The formation of Donor-Acceptor Pairs (DAP’s) and carrier mediation seems to be the cause for this room temperature magnetic interactions in the Ge based bulk dilute magnetic semiconductors.
Page(s): 129-134
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(02) [February 2006]

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