Search For Hole Mediated Ferromagnetism In Cubic (Ga,Mn)N
M. Sawicki, T. Dietl, C.T. Foxon, S.V. Novikov, R.P. Campion, K.W., Edmonds, K.Y. Wang, A.D. Giddings, B.L. Gallagher
TL;DR
This paper reports magnetization measurements on p-type cubic (Ga,Mn)N, revealing hole-mediated ferromagnetic correlations among Mn ions, indicating potential for ferromagnetism driven by holes in this material.
Contribution
It provides experimental evidence of hole-mediated ferromagnetism in cubic (Ga,Mn)N, a novel observation in this material system.
Findings
Detection of ferromagnetic correlation among Mn ions
Evidence of hole-mediated ferromagnetism
Presence of high temperature ferromagnetic signal
Abstract
Results of magnetisation measurements on p-type zincblende-(Ga,Mn)N are reported. In addition to a small high temperature ferromagnetic signal, we detect ferromagnetic correlation among the remaining Mn ions, which we assign to the onset of hole-mediated ferromagnetism in (Ga,Mn)N.
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