Hole compensation effect in III-Mn-V dilute ferromagnetic semiconductors

Chi Xu, Mao Wang, Ye Yuan, Gerard Larkin, Manfred Helm, Shengqiang Zhou

Research output: Contribution to journalArticlepeer-review

Abstract

A systematic study of hole compensation effect on magnetic properties, which is controlled by defect compensation through ion irradiation, in (Ga,Mn)As, (In,Mn)As and (Ga,Mn)P is represented in this work. In all materials, both Curie temperature and magnetization decrease upon increasing the hole compensation, confirming the description of hole mediated ferromagnetism according to the p-d Zener model. The material dependence of Curie temperature and magnetization versus hole compensation reveals that the manipulation of magnetic properties in III-Mn-V dilute ferromagnetic semiconductors by ion irradiation is strongly influenced by the energy level location of the produced defect relative to the band edges in semiconductors.
Original languageEnglish (US)
Pages (from-to)355301
JournalJournal of Physics D: Applied Physics
Volume52
Issue number35
DOIs
StatePublished - Jul 2 2019

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