• 2104 Citations
  • 25 h-Index
1982 …2021

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

1982

The effect of dopants on the growth and properties of TGS crystals

Malicskó, L., Jeszenszky, L., Hartmann, E., Kovács, L., Péter, A. & Vajna, B., Aug 1982, In : Acta Physica Academiae Scientiarum Hungaricae. 53, 1-2, p. 67-73 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
1983

Ti RELATED DEFECTS IN LiF:Ti AND LiF:Mg, Ti CRYSTALS.

Watterich, A., Kovacs, L., Foldvari, I. & Cravero, I., 1983, In : Radiation effects. 75, 1-4, p. 253-261 9 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)
1984

Electrical conductivity of gadolinium–gallium garnet (GGG) crystals

Hartmann, E., Kovács, L. & Paitz, J., Nov 16 1984, In : physica status solidi (a). 86, 1, p. 401-405 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Stoichiometry dependence of the OH- absorption band in LiNbO3 crystals

Kovács, L., Szalay, V. & Capelletti, R., Dec 1984, In : Solid State Communications. 52, 12, p. 1029-1031 3 p.

Research output: Contribution to journalArticle

102 Citations (Scopus)
1985

I. V. V. DIPOLES IN LIF:TI.

Capelletti, R., Bridelli, M. G., Friggeri, M., Ruani, G., Foeldvari, R., Kovacs, L. & Watterich, A., Dec 1 1985, p. 294-298. 5 p.

Research output: Contribution to conferencePaper

1 Citation (Scopus)
1986

Spectroscopic and electrical conductivity investigation of Mg doped LiNbO3 single crystals

Polgár, K., Kovács, L., Földvári, I. & Cravero, I., Aug 1986, In : Solid State Communications. 59, 6, p. 375-379 5 p.

Research output: Contribution to journalArticle

76 Citations (Scopus)
1987

Characterization of LiNbO3 crystals resistant to laser damage

Kovács, L., Földvári, I. & Polgár, K., Apr 1 1987, In : Acta Physica Hungarica. 61, 2, p. 223-226 4 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
1988

An infrared absorption band caused by OH- ions in a LiNbO3:Mg, Cr crystal

Kovács, L., Földvári, I., Cravero, I., Polgár, K. & Capelleti, R., Nov 28 1988, In : Physics Letters A. 133, 7-8, p. 433-437 5 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)
1990

Diffusion of Hydrogen Isotopes in Pure and Mg‐Doped LiNbO3 Crystals

Kovács, L., Polgár, K., Capelletti, R. & Mora, C., Jul 16 1990, In : physica status solidi (a). 120, 1, p. 97-104 8 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

OH-related defects in LiNbO3:Mg,M (M = Nd, Cr, Ti, Mn) crystals

Kovács, L., Szaller, Z., Cravero, I., Földvári, I. & Zaldo, C., 1990, In : Journal of Physics and Chemistry of Solids. 51, 5, p. 417-420 4 p.

Research output: Contribution to journalArticle

46 Citations (Scopus)
1991

A New Phase Growth in LiF: Ti And LiF: Ti, Mg

Capelletti, R., Mora, C., Prato, S., Calestani, G., Földvári, I., Kovács, L. & Watterich, A., 1991, In : Radiation Effects and Defects in Solids. 119-121, 1, p. 159-164 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Infrared absorption study of the OH vibrational band in LiNbO3 crystals

Kovács, L., Wohlecke, M., Jovanović, A., Polgár, K. & Kapphan, S., 1991, In : Journal of Physics and Chemistry of Solids. 52, 6, p. 797-803 7 p.

Research output: Contribution to journalArticle

98 Citations (Scopus)

Lattice Site of Er In LiNbo3: Mg, Er Crystals

Kovács, L., Rebouta, L., Soares, J. C. & Da Silva, M. F., 1991, In : Radiation Effects and Defects in Solids. 119-121, 1, p. 445-450 6 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Lattice site of trivalent impurities in Mg-doped lithium niobate crystals

Kovács, L., Rebouta, L., Soares, J. C., da Silva, M. F., Hage-Ali, M., Stoquert, J. P., Siffert, P., Zaldo, C., Szaller, Z. & Polgár, K., Sep 7 1991, In : Materials Science and Engineering B. 9, 4, p. 505-508 4 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Photochromic behaviour of doped Bi4Ge3O12 single crystal scintillators

Kovács, L., Moya, E., Polgár, K., López, F. J. & Zaldo, C., May 1 1991, In : Applied Physics A Solids and Surfaces. 52, 5, p. 307-312 6 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)
1992

Refractive index measurements on bismuth tellurium oxide (Bi2TeO5) single crystal

Mandula, G., Kovács, L., Péter, Á. & Hartmann, E., Sep 1992, In : Optical Materials. 1, 3, p. 161-164 4 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)
1993

On the lattice site of trivalent dopants and the structure of Mg 2+-OH--M3+ defects in LiNbO3:Mg crystals

Kovacs, L., Rebouta, L., Soares, J. C., Da Silva, M. F., Hage-Ali, M., Stoquert, J. P., Siffert, P., Sanz-Garcia, J. A., Corradi, G., Szaller, Z. & Polgar, K., Dec 1 1993, In : Journal of Physics: Condensed Matter. 5, 7, p. 781-794 14 p., 006.

Research output: Contribution to journalArticle

65 Citations (Scopus)

Optically induced gratings in Fe- and Mn-doped Bi4Ge 3O12 single crystals

Zaldo, C., Moya, E., Magaña, L. F., Kovács, L. & Polgár, K., Dec 1 1993, In : Journal of Applied Physics. 73, 5, p. 2114-2121 8 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)
1994

FTIR spectroscopy of OH stretching modes in BSO, BGO and BTO sillenites

Beneventi, P., Capelletti, R., Kovacs, L., Peter, A., Lanfredi Manotti, A. M. & Ugozzoli, F., Dec 1 1994, In : Journal of Physics: Condensed Matter. 6, 31, p. 6329-6344 16 p., 032.

Research output: Contribution to journalArticle

42 Citations (Scopus)

Thermoluminescence spectra of eulytine Bi4Si3O12 and Bi4Ge3O12 single crystals

Kovács, L., Raymond, S. G., Luff, B. J., Péter, Á. & Townsend, P. D., Apr 1994, In : Journal of Luminescence. 60-61, C, p. 574-577 4 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
1995

A Raman study of Bi4(GexSi1-x)3O12 crystals

Beneventi, P., Bersani, D., Lottici, P. P. & Kovács, L., Jan 1995, In : Solid State Communications. 93, 2, p. 143-146 4 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)

OH- Absorption in Bi4Si3O12 Single Crystals

Kovács, L. & Capelletti, R., Dec 1 1995, In : Radiation Effects and Defects in Solids. 134, 1-4, p. 287-291 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Oh vibrational modes in sillenites

Beneventi, P., Capelletti, R., Kovács, L., Péter, A. & Ugozzoli, F., Dec 1 1995, In : Radiation Effects and Defects in Solids. 134, 1-4, p. 213-217 5 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Raman study of Bi2O3GeO2SiO2 glasses

Beneventi, P., Bersani, D., Lottici, P. P., Kovács, L., Cordioli, F., Montenero, A. & Gnappi, G., Jan 1 1995, In : Journal of Non-Crystalline Solids. 192-193, p. 258-262 5 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)
1996

High temperature 3-D thermoluminescence spectra of Eu3+ activated YVO4 - YPO4 powder systems reacted by hydrolyzed colloid reaction (HCR) technique

Erdei, S., Kovács, L., Martini, M., Meinardi, F., Ainger, F. W. & White, W. B., Apr 1996, In : Journal of Luminescence. 68, 1, p. 27-34 8 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Point defects identified by spectroscopic methods in ZnWO4 single crystals

Watterich, A., Kovács, L., Gilliam, O. R. & Kappers, L. A., Jan 1 1996, In : Radiation protection dosimetry. 65, 1-4, p. 97-100 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Spectrally resolved thermoluminescence of Li2B4O7:Cu single crystals

Martini, M., Meinardi, F., Kovács, L. & Polgar, K., Jan 1 1996, In : Radiation protection dosimetry. 65, 1-4, p. 343-346 4 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

X-ray photoelectron spectroscopy and optical studies of Bi12(GaxBi1-x)O20-δ and Bi12(ZnxBi1-x)O20-δ single crystals

Zaldo, C., Coya, C., Fierro, J. L. G., Polgár, K., Kovács, L. & Szaller, Z., Nov 1996, In : Journal of Physics and Chemistry of Solids. 57, 11, p. 1667-1672 6 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
1997

Composition dependence of the ultraviolet absorption edge in lithium niobate

Kovács, L., Ruschhaupt, G., Polgár, K., Corradi, G. & Wöhlecke, M., May 26 1997, In : Applied Physics Letters. 70, 21, p. 2801-2803 3 p.

Research output: Contribution to journalArticle

155 Citations (Scopus)

Ftir spectroscopy to monitor impurities and impurity-interactions in sillenite crystals

Capellctti, R., Beneventi, P., László, Kovács & Ruffini, A., Dec 1 1997, In : Berichte der Bunsengesellschaft/Physical Chemistry Chemical Physics. 101, 9, p. 1282-1285 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Growth of stoichiometric LiNbO3 single crystals by top seeded solution growth method

Polgár, K., Péter, Á., Kovács, L., Corradi, G. & Szaller, Z., Jun 1997, In : Journal of Crystal Growth. 177, 3-4, p. 211-216 6 p.

Research output: Contribution to journalArticle

202 Citations (Scopus)

Low temperature three-dimensional thermoluminescence spectra of undoped YVO4 single crystals grown by different techniques

Erdei, S., Kovács, L., Peto, Á., Vandlik, J., Townsend, P. D. & Ainger, F. W., Sep 1 1997, In : Journal of Applied Physics. 82, 5, p. 2567-2571 5 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Removal of iron, chromium and sodium impurities from zinc tungstate (ZnWO4)

Bencs, L. F., Raksányi, K., Szakács, O., Kovács, L., Watterich, A. & Péter, Á., Nov 1997, In : Journal of Crystal Growth. 181, 4, p. 455-458 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Vibrational spectroscopy of impurities in sillenite crystals

Bandini, E., Beneventi, P., Capelletti, R., Gospodinov, M. & Kovács, L., Jan 1 1997, In : Materials Science Forum. 239-241, p. 493-496 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
1999

Electronic and vibrational levels of the photochromic Mn in sillenites

Beneventi, P., Briat, B., Capelletti, R., Gospodinov, M., Kovács, L., Mazzocchi, E. & Ruffini, A., Jan 1 1999, In : Radiation Effects and Defects in Solids. 150, 1-4, p. 243-247 5 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)

FTIR spectroscopy of borate crystals

Kovacs, L., Beregi, E., Polgar, K. & Peter, A., Jan 1 1999, In : Proceedings of SPIE - The International Society for Optical Engineering. 3724, p. 256-259 4 p.

Research output: Contribution to journalConference article

9 Citations (Scopus)

Fundamental and overtone spectra of the OH and OD stretch mode in congruent and stoichiometric LiTaO3

Wierschem, M., Bäumer, C., Jovanović, A., Wöhlecke, M., Kapphan, S. & Kovács, L., Oct 1999, In : Physica Status Solidi (B) Basic Research. 215, 2, p. r7-r8

Research output: Contribution to journalArticle

8 Citations (Scopus)

OH- vibrational band in YVO4 crystals

Kovács, L., Erdei, S. & Capelletti, R., Jun 8 1999, In : Solid State Communications. 111, 2, p. 95-99 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Optical absorption edge and some shallow donor levels in LiNbO3 systems

Corradi, G., Kovacs, L. & Zaritskii, I. M., Jan 1 1999, In : Radiation Effects and Defects in Solids. 150, 1-4, p. 211-219 9 p.

Research output: Contribution to journalConference article

Raman and IR spectroscopy investigations of double tungstates

Borowiec, M. T., Szymczak, H., Zaleski, M., Kaczor, P., Adamowicz, L., Strzeszewski, J., Watterich, A. & Kovacs, L., 1999, In : Proceedings of SPIE - The International Society for Optical Engineering. 3724, p. 288-291 4 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)
2000

Comparative study of bismuth tellurites by infrared absorption spectroscopy

Szaller, Z., Kovács, L. & Pöppl, L., Jan 1 2000, In : Journal of Solid State Chemistry. 152, 2, p. 392-396 5 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Growth of PZN crystals with improved optical quality using the BSFT technique

Erdei, S., Schlecht, R. G. & Kovács, L., Dec 1 2000, p. 541-544. 4 p.

Research output: Contribution to conferencePaper

21 Citations (Scopus)

Thermal fixing of holographic gratings in nearly stoichiometric LiNbO3 crystals

Mandula, G., Lengyel, K., Kovács, L., Ellabban, M. A., Rupp, R. A. & Fally, M., Aug 10 2000, In : Proceedings of SPIE - The International Society for Optical Engineering. 4412, 1, p. 226-230 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2001

Electron spin-resonance (ESR) and electron-nuclear double-resonance (ENDOR) study of the self-trapped hole in ZnWO4 single crystals

Watterich, A., Kovács, L., Würz, R., Schön, F., Hofstaetter, A. & Scharmann, A., Feb 19 2001, In : Journal of Physics Condensed Matter. 13, 7, p. 1595-1607 13 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

FTIR spectroscopy of OH-induced defects in KTP single crystals

Baraldi, A., Capelletti, R., Kovács, L. & Mora, C., Jan 1 2001, In : Radiation Effects and Defects in Solids. 155, 1-4, p. 355-359 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Holographic scattering as a technique to determine the activation energy for thermal fixing in photorefractive materials

Ellabban, M. A., Mandula, G., Fally, M., Rupp, R. A. & Kovács, L., Feb 5 2001, In : Applied Physics Letters. 78, 6, p. 844-846 3 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Kinetics of OH- ions in nearly stoichiometric LiNbO3 crystals

Lengyel, K., Kovács, L., Mandula, G. & Rupp, R., Dec 1 2001, In : Ferroelectrics. 257, 1, p. 255-262 8 p.

Research output: Contribution to journalConference article

14 Citations (Scopus)

OH- ions in oxide crystals

Wöhlecke, M. & Kovács, L., Jan 1 2001, In : Critical Reviews in Solid State and Materials Sciences. 26, 1, p. 1-86 86 p.

Research output: Contribution to journalArticle

66 Citations (Scopus)
2002

Activation energy of thermal fixing in LINbO3: A comparative study

Ellabban, M. A., Mandula, G., Rupp, R. A., Fally, M., Hartmann, E., Kovács, L. & Polgár, K., Jan 1 2002, In : Proceedings of SPIE - The International Society for Optical Engineering. 4607, p. 313-321 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)