Luminescence of Ni2+ and Ni+ ions in ZnTe

Selber, Heiko; Schulz, Hans-Joachim; Pohl, U.W.

doi:10.1016/S0038-1098(97)00201-9

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Luminescence of Ni²⁺ and Ni⁺ ions in ZnTe

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Selber, Heiko
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Schulz, Hans-Joachim
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Selber, H., Schulz, H.-J., & Pohl, U. (1997). Luminescence of Ni²⁺ and Ni⁺ ions in ZnTe. Solid State Communications, 103(5), 265-268. doi:10.1016/S0038-1098(97)00201-9.

Cite as: https://hdl.handle.net/21.11116/0000-0008-ECCA-B

Abstract

Fine structures of the luminescence bands ³T₂(F)→³T₁(F) of Ni²⁺ and ²E(D)→²T₂(D) of Ni⁺ in ZnTe bulk crystals are presented. A threefold split zero-phonon line near 3840 cm^-1 is assigned to Ni²⁺
and a main line at 3095 cm^-1 followed by a low-energy statellite in a
distance of 400 cm^-1 to Ni⁺. A comparison with other host crystals reveals an almost linear dependence of the transition energies on the
band gap. Charge-transfer energies are deduced from excitation spectra.