10 Result(s)

Article

Lattice Dynamics and Electronic Properties of a BaGa₂GeS₆ Nonlinear Crystal: Raman Scattering, IR Reflection, and ab initio Calculations

We have measured the polarized Raman scattering and IR reflection spectra of a BaGa₂GeS₆ crystal, the Ga and Ge atoms of which are disordered, randomly occupying crystallographic positions of the same kind. The I...

S. A. Klimin, B. N. Mavrin, I. V. Budkin, V. V. Badikov… in Optics and Spectroscopy (2019)

Article

Dysprosium thiogallate laser: source of mid-infrared radiation at 2.4, 4.3, and 5.4 µm

Various Dy:PbGa₂S₄ laser-active material energy transitions originating from the ⁶H_9/2 + ⁶F_11/2 or ⁶H_11/2 energy level were investigated, and the mid-infrared radiation generation has been demonstrated. The Dy:Pb...

H. Jelinkova, M. E. Doroshenko, V. V. Osiko, M. Jelínek, J. Šulc… in Applied Physics A (2016)

Article

Luminescence of lead thiogallate single crystals doped with cerium ions

The luminescence of single crystals of lead thiogallate PbGa₂S₄: Ce³⁺ has been studied. The observed nonmonotonic temperature dependence of the integrated luminescence intensity of PbGa₂S₄: Ce³⁺ has been explaine...

G. R. Asatryan, V. V. Badikov, A. B. Kulinkin, S. P. Feofilov in Physics of the Solid State (2015)

Article

Electron paramagnetic resonance of Ce³⁺ ions in lead thiogallate single crystals

The results of electron paramagnetic resonance (EPR) studies of Ce³⁺ impurity ions in single crystals of lead thiogallate PbGa₂S₄ have been reported. The Ce³⁺ ions substitute for Pb²⁺ ions in the crystal lattice ...

G. R. Asatryan, V. V. Badikov, D. D. Kramushchenko… in Physics of the Solid State (2012)

Article

Electron paramagnetic resonance of Dy³⁺ ions in lead thiogallate single crystals

The results of electron paramagnetic resonance (EPR) studies of Dy³⁺ ions in lead thiogallate PbGa₂S₄ single crystals have been presented. It has been shown that the ground state of these ions corresponds to the ...

G. R. Asatryan, V. V. Badikov, D. D. Kramushchenko… in Physics of the Solid State (2012)

Article

Growth and X-ray Diffraction Study of Tl₄HgI₆ Crystals

Single crystals of red and black Tl₄HgI₆ phases are grown, and their structures are determined by x-ray diffraction. All of the crystals are found to have the noncentrosymmetric space groupP4nc. The crystals cont...

D. V. Badikov, V. V. Badikov, G. M. Kuz'micheva, V. L. Panyutin… in Inorganic Materials (2004)

Article

Preparation and Structure of AgGa_{1 – x} In _x Se₂ Single Crystals

AgGa_{1 – x} In _x Se₂ single crystals grown by the Bridgman–Stockbarger method, using presynthesized charges with x = 0.27, 0.335, and 0.375 are studied by x-ray diffraction (phase ...

V. V. Badikov, G. M. Kuz'micheva, V. L. Panyutin, V. B. Rybakov… in Inorganic Materials (2003)

Article

CO₂-Laser Second Harmonic Generation in HgGa₂S₄

P. P. Geiko, Yu. M. Andreev, V. V. Badikov in Russian Physics Journal (2003)

Article

High-frequency EPR of Cr²⁺ ions in CdGa₂S₄

High-frequency broad-band (65–240 GHz) EPR is used to study impurity centers of bivalent chromium in a CdGa₂S₄ crystal. It is found that the EPR spectra correspond to tetragonal symmetry. The spin Hamiltonian H =...

A. G. Avanesov, V. V. Badikov, G. S. Shakurov in Physics of the Solid State (2003)

Article

Parametric Frequency Converters Based on New Nonlinear Crystals

Results of investigations into the physical properties of a number of new nonlinear crystals are presented. The parameters of frequency converters manufactured on their basis are compared, and second-harmonic ...

M. V. Kabanov, Yu. M. Andreev, V. V. Badikov, P. P. Geiko in Russian Physics Journal (2003)