Academic degrees:
2008
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Master Degree in Physics, Physics faculty. - V.N. Karazin Kharkiv National University, Kharkiv, Ukraine. (ILTPE NASU, Diploma thesis topic: “Low power excitation spectrum of crystal RbDy(MoO4)2”. Supervisor: Prof. V.I. Kutko.)
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Professional career:
Since 11/2013
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Junior researcher - Department of Optical and Magnetic Properties of Solids at B.Verkin Institute for Low Temperature Physics and Engineering, Kharkiv, Ukraine.
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11/2010 - 10/2013
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PhD student - B.Verkin Institute for Low Temperature Physics and Engineering, Kharkiv, Ukraine. Supervisor: Prof. V.I. Kutko.
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09/2005 - 07/2010
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Student of the Physics faculty, V.N. Karazin Kharkiv National University, Kharkiv, Ukraine.
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Research Activity:
- The studies of layered crystals with rare earth Jahn-Teller ions in magnetic field, infrared and visible spectroscopy, optics, one-dimensional magnetooptic crystals.
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Main Publications:
- V.I. Kutko, N.M. Nesterenko, N.S. Zubenko, S. Poperezhai, K.V. Kutko, A. V. Eremenko, "IR reflection and absorption spectra of CsDy(MoO4)2 under the cooperative Jahn-Teller effect", Fiz. Nizk. Temp. 44, 2018, p. 148.
- S. Poperezhai, P. Gogoi, N. Zubenko, K. Kutko, V.I. Kutko, A.S. Kovalev, D. Kamenskyi, "Terahertz lattice dynamics of the alkali rare-earth binary molybdates", Journal of Physics: Condensed Matter, 2017, Vol.29, p. 095402.
- S.M. Poperezhai, N.S. Bondar, V.I.Kut’ko, A.S. Kovalev, "Low-frequency elastic vibrations of the crystal CsDy(MoO4)2", Fiz. Nizk. Temp., 2014, Vol.40, p. 1093.
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