Single Crystals of KRE(MoO 4 ) 2 , (RE‐ Ce, Pr) Obtained from Fluorides: Scheelite‐Related Structure and Luminescence | Zendy

Terebilenko Kateryna V. | Zendy; Bychkov Konstantin L. | Zendy; Klymyshyna Kateryna E. | Zendy; Baumer Vyacheslav N. | Zendy; Slobodyanik Mykola S. | Zendy; Khomenko Elena V. | Zendy; Dotsenko Volodymir P. | Zendy

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Single Crystals of KRE(MoO 4 ) 2 , (RE‐ Ce, Pr) Obtained from Fluorides: Scheelite‐Related Structure and Luminescence

Author(s) -

Terebilenko Kateryna V.,

Bychkov Konstantin L.,

Klymyshyna Kateryna E.,

Baumer Vyacheslav N.,

Slobodyanik Mykola S.,

Khomenko Elena V.,

Dotsenko Volodymir P.

Publication year - 2017

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.201700222

Subject(s) - scheelite , tetragonal crystal system , molybdate , photoluminescence , luminescence , crystal structure , crystallization , crystallography , materials science , single crystal , phosphor , crystal (programming language) , fluoride , spectroscopy , chemistry , inorganic chemistry , organic chemistry , tungsten , physics , optoelectronics , quantum mechanics , computer science , programming language , metallurgy

Single crystals of double molybdates KRE(MoO 4 ) 2 (RE = Ce and Pr) have been prepared from high‐temperature melts by a facile and effective fluoride‐assisted method, and investigated by XRD, FTIR and photoluminescence (PL) spectroscopy. The results showed that the molar ratio of K/Mo in the molten solution play an important role in controlling content of the crystalline products. The crystallization fields of KCe(MoO 4 ) 2 has been found avoiding oxides admixtures. Both tetragonal scheelite‐related crystal structures have been established by means of single crystal X‐Ray diffraction. Structural motif of KPr(MoO 4 ) 2 has been established for the first time, while KCe(MoO 4 ) 2 has been reinvestigated and its crystal structure data have been refined. The excitation and emission spectra of KPr(MoO 4 ) 2 have been discussed in a light of energy transfer from a molybdate host.

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