Abstract
Polycrystalline samples of Bi-doped triple chlorides RbAlCl4, RbMgCl3, RbCdCl3, CsAlCl4, CsMgCl3, KCdCl3 were prepared by crystallization from the Lewis acidic melts. The broadband long-lived NIR photoluminescence with maxima near 1 μm was observed from all the materials. The most probable source of this emission is bismuth monocation Bi+, which substitutes for the large alkali cations. The relationship between the Bi+ optical properties and the symmetry of crystal field is discussed.
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Published in Russian in Khimicheskaya Fizika, 2016, Vol. 35, No. 5, pp. 16–22.
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Vtyurina, D.N., Romanov, A.N., Veber, A.A. et al. The spectral properties and the NIR photoluminescence of univalent bismuth Bi+ in RbAlCl4, CsAlCl4, RbMgCl3, CsMgCl3, KCdCl3 and RbCdCl3 crystal phases. Russ. J. Phys. Chem. B 10, 388–393 (2016). https://doi.org/10.1134/S1990793116030106
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DOI: https://doi.org/10.1134/S1990793116030106