Ivars TALE  

Professor Ivars Tale 
Head of the Department of Crystal Physics 
Institute of Solid State Physics 
University of Latvia 
Kengaraga iela 8 
Riga, LV 1063 
Latvia 

Phone: +371 7 260639 
Fax:     +371 7 112583 
E-mail:  iatale@com.latnet.lv 

 

Interests:

Languages:  German, English, Russian, Latvian

Education

Experience

University of Latvia:

Honours

 

Professional Activities and Memberships:

   

Lectures:

A series of guest lectures at the universities and scientific centres in CSSR (1974, 1978, 1983, 1986);; Germany (1973, 1981, 1985, 1995, 1996, 1997)

 

Courses:

 

Recent/Representative Publications:
 
     Tale I., Kulis P., Rogulis U., Trokss J., Veispals A., Barboza-Flores M.  Color centers in LiBaF3. - J. Luminescence, 1997, 72-74, p.722-723.
     Springis M., Tale V., Tale I. Nature of the blue luminescence bands in PbWO4. - J. Luminescence, 1997, 72-74, p.784-785.
    Tale I. and Rudlof G. Advanced trap spectroscopy in a-Al2O3 by TSL and TSEE. Proceedings of the 12-th Internat. Symposium ‘’12EEEA’97’’ (in press)
    Kulis P., Springis M. and Tale I. The thermal quenching of the F-centre luminescence. Radiation Measurements, 1997 (in press).
    Rogulis U., Trokss J., Tale I. and Nagornaya V. EPR of molybdenum-related defect in CdWO4 crystals. Radiation Measurements, 1997 (in press).
    Springis M., Kulis P. and Tale I. Polarised blue luminescence in PbWO4 and CaWO4 crystals under polarised UV-excitation. Radiation Measurements, 1997 (in press).
    Tale I., Springis M., Kulis P., Rogulis U., Trokss J., Veispals A., and Fitting H.-J. Radiation defects and processes in LiBaF3 crystals. Radiation Measurements, 1997 (in press).
    Visocekas R., Tale V., Zink A. and Tale I. Trap spectrscopy and tunnelling luminescence in feldspars. Radiation Measurements, 1997 (in press).

    Rogulis U., Troksh J., Veispals A., Kulios P., Springis M., Tale I. and Fitting H.-J., Degradation features of BaF2 scintillators under radiation and magnetic fields. - Phys. Stat. Sol. (a),  1996, 156, p.515-522.
    Visocekas R., Tale V., Zink A., Spooner N.A. and Tale I. Trap Spectroscopy and TSL in Feldspars, Radiat. Protection. Dosim., vol.66, pp.391-4, 1996.
    Tale I., Rudlof G. and Tale V. Glow Rate Technique for Spectroscopy of Complex Thermostimulated Relaxation Processes, Radiat. Protection. Dosim., vol.65, pp.33-6, 1996.
    Springis M, Kulis P., Veispals A., Tale V. and Tale I. Origin of the Dosimetric 430K TL Peak in the Thermochemically Reduced a-Al2O3, Radiat. Protection. Dosim., vol.65, pp. 231-4,1996.
    Tale I., Piters T.M., Barboza-Flores M., Perez-Salas R. and Springis M. Optical Properties of Complex Anion Vacancy Centers and Photoexcitted Electronic Processes in Anion Deficient a-Al2O3, Radiat. Protection. Dosim., 1996,  p.231-5.
    Kotomin E.A. Stasahns, A., Kantorovich L.N., Lifshitz A.I., Popov A., Tale I. - Calculations of the geometry and optical properties of FMg and dimer (F2 -type) centers in corundum crystals, Phys Rev., 1995,vol. B51,No14,pp.8770-78 .
    Rogulis U.,Tale I., Hangleiter T. and Spaeth J.-M., Photostimulation process in the x-ray storage phosphor KBr:In, J.Phys.Condens.Matter.1995,vol 7, pp.3129-3137.
    Tale V., Tale I. and Nagornaya L.L. Thermoactivated Spectroscopy of Hetrovalent Impurity Traps in CdWO4, Radiat. Effects Defects Sol, 1995, vol. 134, pp.477-480.
    Springis M., Kulis P. and Tale I. Point defects related to 260K tThermostimulated Luminescence in a-Al2O3,  Radiat. Effects Defects Sol, 1995, vol. 134, pp.481-4.
    Rogulis U., Trokss J., Veispals A., Tale I., Kulis P. and Springis M. ODMR of Cd Impurity Centers in g-Irradiated BaF2 Crystals, Radiat. Effects Defects Sol, 1995, vol. 135, pp.361 - 5.
    Rogulis U., Spaeth J.-M., Tale I. and Ruzha E. ODEPR of Indium Colour Centers in the X-Irradiated Storage Phosphor KBr:In, Radiat. Effects Defects Sol, 1995, vol. 134, pp.471 - 5.
Jacobs P.W.M., Kotomin E.A., Stashans A and Tale I. Theoretical simulations of hole centres in corundum crystals, Modelling Simul. Mater. Sci. Eng. 1994, vol.2, p.109-117
    I.Tale, V.Tale, P.Kulis. The effect of ionic movementn on TSL in TLD LiF- Mg, Ti. - Radiation Protection Dosimetry, 1993, vol. 47, No 1/4, pp.107-110.
    Tale I. Thermostimulated Processes in Statically and Dynamically Disordered Luminescent Solids. - Nucl. Tracks Radiat. Meas., 1993, V.21, No.1, p. 65-71.
    Jacobs P.W.M., Kotomin E.A., Stashans A. and Tale I.A. Mechanism of self-trapped hole motion in corundum crystals. Philosopical Mag. B, 1993, vol.67, No.4, p.557-567
    Jacobs P.W.M., Kotomin E.A., Stashans A., Stefanovich E.V. and Tale I.  Quantum chemical simulations of hole self-trapping in corundum. - J.Phys.: Condens. Matter 1992, v.4, pp. 7531-7544.
    Jacobs P.W.M., Kotomin E.A., Stashans A., Tale I. Mechanism of Self-Trapped Hole Motion in Corundum Crystals. -Phil.Mag. B, 1992 ,V.67, No.4, 557-67.
    Tale I. Thermostimulated Processes in Dynamically Disordered Ionic Crystals. - Radiat Effects and defects in Solids, 1991, Vols. 119-121, pp.99-104.

"Models of processes in wide- gap solids with defects" (L.Kantorovich, E.Kotomin, V.Kuzovkov, I.Tale, A.Shluger, Yu.Zakis) Zinatne Publishing House: Riga, 1991, 320 p.

Research Projects:

 Family



Last update 04.01.1998