Photoluminescence of Yb3+-doped CuInS2 crystals in magnetic fields
作者： N. Tsujii , Y. Imanaka , T. Takamasu , H. Kitazawa , G. Kido
DOI: 10.1063/1.1341214
关键词: Photoluminescence 、 Impurity 、 Zeeman effect 、 Tetragonal crystal system 、 Spectral line 、 Field (physics) 、 Chemistry 、 Condensed matter physics 、 Doping 、 Magnetic field
摘要: Single crystals of Yb3+-doped CuInS2 were isolated by an In-flux technique. The Yb3+ concentration is estimated to be 4.5×1019 cm−3 in terms the Curie–Weiss behavior magnetic susceptibilities. intra-4f-shell transitions resolved at low temperatures photoluminescence peaks 1.2–1.25 eV. Yb-related peak intensities are weak comparison with those arising from defect and impurity centers host. field dependence spectra shows interesting differences among peaks, only part them being Zeeman split. An energy level scheme on basis a single type center tetragonal crystal proposed explain temperature- magnetic-field optical spectra.
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