Перегляд за автором "Kosmyna, M.B."

Результати 1-12 з 12

Characteristics of lasers based on binary vanadate and orthoborate single crystals with disordered structure

Kosmyna, M.B.; Nazarenko, B.P.; Radchenko, I.O.; Shekhovtsov, A.N. (Functional Materials, 2015)

Characteristics of lasers based on the binary orthovanadates Ca₁₀Li(VO₄)₇:Nd, Ca₉La(VO₄)₇:Nd and the orthoborates Ca₃RE₂(BO₃)₄:Nd (RE = Y, Gd) crystals with disordered structure were investigated. For Ca₃Y₂(BO₃)₄:Nd crystals ...
Dependence of PbMoO₄ crystal damage threshold on Nd³⁺ concentration and method of doping

Baumer, V.N.; Gorobets, Yu.N.; Gudzenko, L.V.; Kosmyna, M.B.; Nazarenko, B.P.; Puzikov, V.M.; Shekhovtsov, A.N.; Shtitelman, Z.V. (Functional Materials, 2010)
Growth and scintillation properties of NaLa(WO₄)₂ and NaLa(MoO₄)₂ single crystals

Baumer, V.N.; Gorobets, Yu.N.; Kosmyna, M.B.; Nazarenko, B.P.; Puzikov, V.M.; Shekhovtsov, A.N.; Zelenskaya, O.V. (Functional Materials, 2008)

Pure and doped NaLa(WO₄)₂ and NaLa(MoO₄)₂ single crystals have been grown by the Czhochralski technique. The scintillation characteristics thereof have been determined and considered.
Growth and spectroscopy of new laser crystals Ca₁₀Yb₀.₃K₀.₁(VO₄)₇

Kosmyna, M.B.; Nazarenko, B.P.; Puzikov, V.M.; Shekhovtsov, A.N.; Yasukevich, A.S.; Kuleshov, N.V.; Gulevich, A.E.; Demesh, M.P.; Gusakova, N.V. (Functional Materials, 2012)

Ca₁₀Yb₀.₃K₀.₁(VO₄)₇ single crystals have been grown for the first time. Absorption and luminescence spectra, luminescence decay kinetics of ²F ₅/₂ level for Yb³⁺ ion are investigated.
Growth of SrWO₄ and CaMoO₄ single crystals and their characterization by means of Raman spectroscopy

Kosmyna, M.B.; Shekhovtsov, A.N.; Khodasevich, I.A.; Voitikov, S.V.; Orlovich, V.A. (Functional Materials, 2017)

The SrWO₄ and CaMoO₄ crystals grown under different conditions by the Czochralski method were studied by means of Raman spectroscopy. Raman spectra of the crystals were measured and peaks were identified. For SrWO₄ crystals ...
Influence of growth conditions on chemical composition and properties of borate crystals for laser application

Baumer, V.N.; Gudzenko, L.V.; Kosmyna, M.B.; Shekhovtsov, A.N. (Functional Materials, 2016)

The influence of technological growth conditions on the formation of defects and color centers in Ca₃RE₂(BO₃)₄ (RE-Y, Gd) crystals is investigated. According to the study of the optical properties and chemical analysis ...
Influence of processing conditions on the structure and properties of yttrium oxide ceramics

Baumer, V.N.; Kosmyna, M.B.; Nazarenko, B.P.; Puzikov, V.M.; Shekhovtsov, A.N.; Gordienko, L.S.; Yasukevich, A.S.; Kuleshov, N.V.; Gulevich, A.E.; Demesh, M.P. (Functional Materials, 2012)

By means of "wet" chemistry method Y₂O₃ nanopowder was obtained and characterized by X-ray diffraction analysis and differential thermal analysis. Transparent samples of Y₂O₃ and Y₂O₃:Nd ceramics were produced by vacuum ...
Morphology of oxide single crystals grown by Czochralski technique at low axial gradients

Gorobets, Yu.N.; Kosmyna, M.B.; Nazarenko, B.P.; Shekhovtsov, A.N. (Functional Materials, 2006)

Technological factors causing non-cylindrical morphology of LiNbO₃, PbWO₄ and Li₆Gd(ВО₃)₃ single crystals grown by Czochralski technique have been considered.
Photoinduced absorption and anomalous dichroism in NaCa₂Mn₂V₃O₁₂ garnet as an evidence for the formation of oxygen holes dynamics

Eremenko, V.V.; Gnatchenko, S.L.; Kachur, I.S.; Piryatinskaya, V.G.; Ratner, A.M.; Shapiro, V.V.; Kosmyna, M.B.; Nazarenko, B.P.; Puzikov, V.M. (Физика низких температур, 2005)

It is shown that long-lived photoinduced dichroism in garnets is caused by photoproduced charges with anisotropic structure, keeping long memory of the pumping light polarization, while photoinduced absorption is due to ...
Portable radiation monitoring system on the base of CdWO₄ scintillator

Kosmyna, M.B.; Nazarenko, B.P.; Puzikov, V.M.; Shekhovtsov, A.N.; Grinyov, B.V.; Borodenko, Yu.A.; Selegenev, Ye.M.; Ryzhikov, V.D.; Piven, L.A.; Tarasov, V.A.; Kozmin, Yu.S.; Belogub, V.V.; Didenko, A.V. (Functional Materials, 2009)

A portable high-sensitivity monitor for the detection of radioactive materials is developed and manufactured on the base of CdW0₄ scintillation crystal. The monitor has an independent power supply which provides continuous ...
Quantitative evaluation of microimpurity content in lead tungstate initial raw material and scintillation single crystals

Gudzenko, L.V.; Pantaler, R.P.; Shtitelman, Z.V.; Nazarenko, B.P.; Kosmyna, M.B.; Blank, A.B. (Functional Materials, 2005)

The results of impurity composition determination in lead tungstate raw material and in the scintillation single crystals at various stages of the technological process are presented. Iron content in the samples ...
Transparent ceramics of yttrium-aluminum garnet (Y₃Al₅O₁₂) from nanocrystalline powders obtained by co-precipitation

Baumer, V.N.; Vovk, E.A.; Vovk, O.M.; Deineka, T.G.; Kosmyna, M.B.; Mateychenko, P.V.; Puzikov, V.M.; Sergienko, Z.P.; Tolmachev, A.V.; Shekhovtsov, A.N.; Yavetskiy, R.P. (Functional Materials, 2008)

Nanosized powders of yttrium-aluminum garnet Y₃Al₅O₁₂, (YAG) have been obtained by chemical co-precipitation. The effect of the powder structure and morphology on the compactibility and sinterability has been studied. The ...

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Перегляд за автором "Kosmyna, M.B."

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