Irena PLAVINA*

(18.02.1928 - 10.2003)

Dr.habil.phys. Irena PLAVINA Leading Researcher University of Latvia Institute of Solid State physics Kengaraga iela 8 Riga, LV 1063 Latvia

Born: February 18, 1928, Riga, Latvia

Departed: October, 2003, Riga, Latvia

Interests:

• Experimental Solid State Physics
• Mechanism of Radiation (UV-light, X-ray, electron) Storage in Alkali Halides Doped with ns² Ions
• Photostimulated Luminescence

Languages: Latvian, Russian, English

Education:

• University of Latvia (Faculty of Physics and Mathematics), 1952
• Postgraduate, P.Lebedev Institute of Physics, Moscow, 1957
• Dr.phys. (Candidate of Science in former USSR, Ph.D. in Western countries), 1959
• Dr.habil.phys. (Doctor of Science in former USSR), Institute of Physics, Latvian Academy of Sciences, 1976

Experience:

• Engineer, Scientific Research Institute, Russia, Frjazino, 1953
• Junior Researcher; Senior Researcher, Institute of Physics, Latvian Academy of Sciences, 1958-1968.
• Head of the Laboratory of Spectroscopy of Ionic Crystals, Institute of Physics, Latvian Academy of Sciences, 1968-1992
• Leading Researcher, University of Latvia, Institute of Solid State physics, 1993 -

Honours and Awards:

• The Latvian Academy of Sciences Presidium First Award (1977, 1981) and Second Award (1990)
• State Emeritus Scientist, 1996

Recent/Representative Publications:

• P.Bratslavets, A.Kalnins, I.Plavina, B.Rapoport, A.Tale. The optical destruction and restoration of (F, In²⁺) pairs in KBr-In crystals. Phys. Stat. Sol. (B), 1992, 170, pp.395-401.
• A.Kalnins, I.Plavina, A.Popov, A.Tale. Induced decay of anion excitons in alkali halide crystals in the vicinity of positive charged defects. J. of Physical and Technical Sciences, 1992, 3, pp.315.
• I.Plavina, A.Popov. The observation of a new D-absorption band in KBr-In crystals. Phys. Stat.Sol. (B), 1993, 176, pp.255-259.
• A.Kalnins, I.Plavina, A.Tale. Powdered KBr-In as an X-radiation storage material with a wide dynamic range. Nuclear Instruments and Methods in Physics Research B, 1994, 128, pp.27-33.
• I.Plavina, A.Popov. Excitation spectra of activator luminescence - the observation of a new D absorption band in KBr-In crystals. Radiation Effects and Defects in Solids, 1994, 128, pp.27-33.
• A.Kalnina, I.Plavina, A.Tale. UV radiation image sensor utilising photostimulated luminescence. Proceedings of the Forth Conference on Radiation and Dosimetry, Ontario, Florida 23-27 Oct., 1994, pp.103-108.
• I.Plavina, A.Popov, A.Tale. Photostimulated luminescence of KBr-In crystals. Radiation Effects and Defects in Solids, 1995, 135, pp.125-128.
• I.Plavina, A.I.Popov, A.Tale and A.Kalninsh. "Possible mechanism of energy storage in optically stimulable materials - doped alkali halides"; In: Optical Inorganic Dielectric Materials and Devices. (Ed.: A.Krumins, D.Millers, A.Sternberg, J.Spigulis), Proc. SPIE 2967, 1997, pp.52-57
• I.Plavina, A.Popov, A.Tale, A.Kalninsh. Efficiency and dynamic range of photostimulable X-ray storage material KBr-In" ibîdem pp.74-78.
• A.Tale, I.Plavina, A.Kalnins, A.Popov. "Some performance data of the optically-stimulable irradiated materials-doped alkali halides - oriented for imaging and dosimetry purposes". Ibîdem pp.79-84.

Research Projects:

• I. Plavina (Head of Project). Storage of Radiation Defects and Their Spatial Correlation in the Photostimulable Materials (Doped Alkali Halides). Latvian Council of Science (1996-1997)

Last update 10.09.1997