S. Yu. Stefanovich scite author profile

KNbO 3 in the form of films is a highly acclaimed material due to its potential application in surface acoustic wave (SAW), and nonlinear optic devices. Single-source powder flash evaporation MOCVD of epitaxial KNbO 3 films was accomplished, for the first time, with potassium tert-butoxide and niobium heteroligand complex, Nb(O i Pr) 4 (thd) used as volatile metal±or-ganic precursors. The microstructure of the films was found to be dependent on the substrate used (MgO or SrTiO 3 ) and deposition temperature. A new approach to reach cation stoichiometry of deposited films deficient in potassium, consisting of a post-deposition annealing with a KNbO 3 /K 3 NbO 4 powder mixture, was proposed. The device quality of the films was verified by high second harmonic generation (SHG) output. The effect of the oxygen non-stoichiometry of films on the phase transition temperature was proven.

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New nonlinear optical potassium iodate K[IO3] and borates K3[B6O10]Br, KTa[B4O6(OH)4](OH)2·1.33H2O—Synthesis, structures and relation to the properties

Белоконева

Stefanovich

Димитрова

2012

Journal of Solid State Chemistry

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Crystal structure of the lead bromo-borate Pb2[B5O9]Br from precision single-crystal X-ray diffraction data and the problem of optical nonlinearity of hilgardites

et al. 2007

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S. Yu. Stefanovich

Effect of non-stoichiometry and synthesis temperature on the structure and conductivity of Ln2+xM2−xO7−x/2 (Ln=Sm–Gd; M=Zr, Hf; x=0–0.286)☆

Lead–strontium borate halides with hilgardite-type structure and their SHG properties

MOCVD of KNbO₃ Ferroelectric Films and their Characterization

New nonlinear optical potassium iodate K[IO3] and borates K3[B6O10]Br, KTa[B4O6(OH)4](OH)2·1.33H2O—Synthesis, structures and relation to the properties

Crystal structure of the lead bromo-borate Pb2[B5O9]Br from precision single-crystal X-ray diffraction data and the problem of optical nonlinearity of hilgardites

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S. Yu. Stefanovich

Effect of non-stoichiometry and synthesis temperature on the structure and conductivity of Ln2+xM2−xO7−x/2 (Ln=Sm–Gd; M=Zr, Hf; x=0–0.286)☆

Lead–strontium borate halides with hilgardite-type structure and their SHG properties

MOCVD of KNbO3 Ferroelectric Films and their Characterization

New nonlinear optical potassium iodate K[IO3] and borates K3[B6O10]Br, KTa[B4O6(OH)4](OH)2·1.33H2O—Synthesis, structures and relation to the properties

Crystal structure of the lead bromo-borate Pb2[B5O9]Br from precision single-crystal X-ray diffraction data and the problem of optical nonlinearity of hilgardites

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Product

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MOCVD of KNbO₃ Ferroelectric Films and their Characterization