Abstract
We report the growth of IV–VI diluted magnetic semiconductor Ge
1−
x
Mn
x
Te thin films on BaF
2 (111) substrates with high Mn ion concentration (
x
=
0.98) by solid-source molecular-beam epitaxy. The film structure and orientation were characterized by in-situ reflection high-energy electron diffraction (RHEED) and X-ray diffraction (XRD). The chemical concentration was determined by X-ray Photoelectron Spectroscopy (XPS). The thin film shows ferromagnetic ordering at 130 K, as determined from temperature-dependent magnetization.