Properties of (Ga,Mn)As codoped with Li

Shohei Miyakozawa, Lin Chen, Fumihiro Matsukura, Hideo Ohno

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1 Citation (Scopus)


We grow Li codoped (Ga,Mn)As layers with nominal Mn composition up to 0.15 by molecular beam epitaxy. The layers before and after annealing are characterized by x-ray diffraction, transport, magnetization, and ferromagnetic resonance measurements. The codoping with Li reduces the lattice constant and electrical resistivity of (Ga,Mn)As after annealing. We find that (Ga,Mn)As:Li takes similar Curie temperature to that of (Ga,Mn)As, but with pronounced magnetic moments and in-plane magnetic anisotropy, indicating that the Li codoping has nontrivial effects on the magnetic properties of (Ga,Mn)As.

Original languageEnglish
Article number222408
JournalApplied Physics Letters
Issue number22
Publication statusPublished - 2014 Jun 2


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