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Tea Time 学术活动系列邀请报告(135)

来源:理学院 发布日期:2019-09-27

报告题目:  Raman scattering study of structural phase transitions

:  Alexander N. Vtyurin (Professor, Siberian Federal University)

    间:9月27日(星期五),10:00-11:00

    点:1-401物理学科会议室

报告摘要:

Basics of Raman Scattering

Phenomenological approach

Temperature effects in Raman spectra

Structural phase transition and lattice dynamics

Hard mode spectroscopy

Soft mode spectroscopy

Phase transitions and Raman intensities

报告人简介:

Professor, Head of Photonics and Laser Technologies, Institute of Engineering Physics and Radioelectronics, Siberian Federal University.

Main scientific interests: (1) Optical and spectral properties of dielectric crystals, Raman spectroscopy and nonlinearoptics in ferroelectric, molecular, incommensurate, and disordered systems. (2) Structure and macroscopic properties of crystals, lattice dynamics, phase transitions.

Scientific Education: PhD: Physics and Mathematics (Optics), Kirensky Institute of Physics SB RAS, 1981 (Optical Properties of Incommensurate Phases of the K2SeO4 Ferroelectric Crystal, Prof. V. F. Shabanov). Dr. Sci.: Physics and Mathematics (Optics), Kirensky Institute of Physics SB RAS, 2002 (Raman Scattering Study of the Structural Phase Transitions in Dielectric Crystals with Molecular Groups).

Career: 1972–Present: Laboratory Assistant, Junior Scientist, Senior Scientist, Scientific Secretary, Deputy Director, Principal Scientist–at Kirensky Institute of Physics SB RAS, Krasnoyarsk. 1985 – Present: Associate Professor, Professor, Head of Photonics and Laser Technologies Dept. – at Siberian Federal University, Krasnoyarsk.