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1

Photo- and thermostimulated processes in α-Al2O3

M. Springis, P. Kulis, A. Veispals, I. Tale

Journal:

Radiation Measurements

Year:

1995

Language:

english

File:

PDF, 309 KB

english, 1995

2

Excited state absorption and energy-transfer mechanisms of up-conversion luminescence in Er3+-doped oxyfluoride glass ceramics at different temperatures

A. Sarakovskis, J. Grube, G. Doke, M. Springis

Journal:

Journal of Luminescence

Year:

2010

Language:

english

File:

PDF, 652 KB

english, 2010

3

Up-conversion process in erbium doped lithium fluoride bulk crystal, lithium borate glass and glass ceramics

Sarakovskis, A, Dimitrocenko, L, Misnevs, A, Rogulis, U, Springis, M

Journal:

Journal of Physics Conference Series

Year:

2007

Language:

english

File:

PDF, 732 KB

english, 2007

4

Wear Calculation for Sliding Friction Pairs

Springis, G., Rudzitis, J., Avisane, A., Leitans, A.

Journal:

Latvian Journal of Physics and Technical Sciences

Year:

2014

Language:

english

File:

PDF, 491 KB

english, 2014

5

Up-conversion processes in NaLaF4:Er3+

A. Sarakovskis, J. Grube, A. Mishnev, M. Springis

Journal:

Optical Materials

Year:

2009

Language:

english

File:

PDF, 801 KB

english, 2009

6

Selective excitation of up-conversion luminescence by Yb3+–Er3+ energy transfer in glass and crystalline phase of oxyfluoride glass ceramics

A. Sarakovskis, J. Grube, G. Doke, M. Springis

Journal:

Optical Materials

Year:

2010

Language:

english

File:

PDF, 480 KB

english, 2010

7

Luminescent detectors of ionising radiation

P. Kulis, U. Rogulis, M. Springis, I. Tale

Journal:

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Year:

2003

Language:

english

File:

PDF, 178 KB

english, 2003

8

Luminescence and electron transport properties of GaN and AlN layers

T Barfels, H.-J Fitting, A Gulans, J Jansons, M Springis, H Stolz, I Tale, A Veispals

Journal:

Radiation Measurements

Year:

2001

Language:

english

File:

PDF, 130 KB

english, 2001

9

Self-trapped holes and recombination luminescence in LiBaF3 crystals

I. Tale, M. Springis, U. Rogulis, V. Ogorodnik, P. Kulis, V. Tale, A. Veispals, H.-J. Fitting

Journal:

Radiation Measurements

Year:

2001

Language:

english

File:

PDF, 97 KB

english, 2001

10

Colour centres in LiBaF3 crystals

I. Tale, M. Springis, P. Kulis, U. Rogulis, J. Trokss, A. Veispals, H.-J. Fitting

Journal:

Radiation Measurements

Year:

1998

Language:

english

File:

PDF, 301 KB

english, 1998

11

Recombination luminescence in single crystal Al2O3

P. A. Kulis, M. J. Springis, I. A. Tale, J. A. Valbis

Journal:

physica status solidi (a)

Year:

1979

Language:

english

File:

PDF, 485 KB

english, 1979

12

On the mechanism of the recombination luminescence of α-Al2O3 crystals with nonstoichiometric excess of aluminium

P. A. Kulis, M. J. Springis, I. A. Tale, J. A. Valbis

Journal:

physica status solidi (a)

Year:

1980

Language:

english

File:

PDF, 293 KB

english, 1980

13

On the nature of the violet luminescence in quenched α - Al2O3 single crystals

A. V. Pujats, M. J. Springis, J. A. Valbis

Journal:

physica status solidi (a)

Year:

1980

Language:

english

File:

PDF, 152 KB

english, 1980

14

Degradation features of BaF2 scintillators under radiation and magnetic fields

U. Rogulis, J. Troksh, A. Veispals, P. Kulis, M. Springis, I. Tale, H.-J. Fitting

Journal:

physica status solidi (a)

Year:

1996

Language:

english

File:

PDF, 445 KB

english, 1996

15

Impurity-Associated Colour Centres in Mg- and Ca-Doped Al2O3 Single Crystals

P. A. Kulis, M. J. Springis, I. A. Tale, V. S. Vainer, J. A. Valbis

Journal:

physica status solidi (b)

Year:

1981

Language:

english

File:

PDF, 507 KB

english, 1981

16

Luminescence of Ga-Doped α-Al2O3 Crystals

J. L. Jansons, P. A. Kulis, Z. A. Rachko, M. J. Springis, I. A. Tale, J. A. Valbis

Journal:

physica status solidi (b)

Year:

1983

Language:

english

File:

PDF, 594 KB

english, 1983

17

Visible Luminescence of Colour Centres in Sapphire

M. J. Springis, J. A. Valbis

Journal:

physica status solidi (b)

Year:

1984

Language:

english

File:

PDF, 592 KB

english, 1984

18

Blue Luminescence of Color Centres in Sapphire

M. J. Springis, J. A. Valbis

Journal:

physica status solidi (b)

Year:

1984

Language:

english

File:

PDF, 233 KB

english, 1984

19

Red Luminescence of Color Centres in Sapphire

M. J. Springis, J. A. Valbis

Journal:

physica status solidi (b)

Year:

1985

Language:

english

File:

PDF, 226 KB

english, 1985

20

Optical Properties of the F-Centre in Beryllium Oxide

S. V. Gorbunov, A. V. Kruzhalov, M. J. Springis

Journal:

physica status solidi (b)

Year:

1987

Language:

english

File:

PDF, 648 KB

english, 1987

21

X-irradiation induced photo- and thermostimulated luminescence of CsCdF3:Mn crystals

M. Springis, A. Sharakovsky, I. Tale, U. Rogulis

Journal:

physica status solidi (c)

Year:

2005

Language:

english

File:

PDF, 174 KB

english, 2005

22

Monte Carlo simulation approach for a quantitative characterization of the band edge in InGaN quantum wells

K. Kazlauskas, G. Tamulatis, S. Juršėnas, A. Žukauskas, M. Springis, Yung-Chen Cheng, Hsiang-Chen Wang, Chi-Feng Huang, C. C. Yang

Journal:

physica status solidi (c)

Year:

2005

Language:

english

File:

PDF, 198 KB

english, 2005

23

Carrier localization effect in polarized InGaN multiple quantum wells

A. Žukauskas, K. Kazlauskas, G. Tamulaitis, J. Mickevičius, S. Juršėnas, G. Kurilčik, S. Miasojedovas, M. Springis, I. Tale, Yung-Chen Cheng, Hsiang-Chen Wang, Chi-Feng Huang, C. C. Yang

Journal:

physica status solidi (c)

Year:

2005

Language:

english

File:

PDF, 163 KB

english, 2005

24

Luminescence of Ce-doped borate-oxyfluoride glass ceramics

L. Dimitrocenko, U. Rogulis, A. Veispals, M. Springis, P. Kulis, A. Fedotovs, A. Mishnev

Journal:

physica status solidi (c)

Year:

2007

Language:

english

File:

PDF, 133 KB

english, 2007

25

Thermally and optically stimulated radiative processes in LiBaF3 crystals

Maris Springis, Anatoly Sharakovsky, Ivars Tale

Journal:

Radiation Measurements

Year:

2004

Language:

english

File:

PDF, 207 KB

english, 2004

26

Nature of the blue luminescence bands in PbWO4

M. Springis, V. Tale, I. Tale

Journal:

Journal of Luminescence

Year:

1997

Language:

english

File:

PDF, 149 KB

english, 1997

27

Exciton hopping in InxGa1−xN multiple quantum wells

Kazlauskas, K., Tamulaitis, G., Pobedinskas, P., Žukauskas, A., Springis, M., Huang, Chi-Feng, Cheng, Yung-Chen, Yang, C.

Journal:

Physical Review B

Year:

2005

Language:

english

File:

PDF, 71 KB

english, 2005

28

655 Computer analysis of breast cancer cell populations in ER and PR positive and negative tumours

D. Plegere, J. Berzins, Dz. Emzins, I. Zitare, I. Springis, G. Zeikate, I. Grabovska

Journal:

European Journal of Cancer

Year:

1995

Language:

english

File:

PDF, 305 KB

english, 1995

29

The F-type centres in YAG crystals

Pujats, A., Springis, M.

Journal:

Radiation Effects and Defects in Solids

Year:

2001

Language:

english

File:

PDF, 194 KB

english, 2001

30

Polarization of luminescence of colour centres in YAG crystals

Springis, M, Pujats, A, Valbis, J

Journal:

Journal of Physics Condensed Matter

Year:

1991

Language:

english

File:

PDF, 261 KB

english, 1991

31

Photoluminescence of neodymium and erbium doped NaLaF4 material

Doke, G., Sarakovskis, A., Grube, J., Springis, M.

Journal:

Radiation Measurements

Year:

2013

Language:

english

File:

PDF, 1.34 MB

english, 2013

32

ODMR of cd impurity centers in gg irradiated BaF 2 crystals

Rogulis, U., Trokšs, J., Veisp[abar]ls, [Abar]., T[abar]le, I., K[ubar]lis, P., Spriņǵis, M.

Journal:

Radiation Effects and Defects in Solids

Year:

1995

Language:

english

File:

PDF, 245 KB

english, 1995

33

Impact of Er3+ Concentration on Luminescence in NaLaF4

Grube, J., Sarakovskis, A., Doke, G., Springis, M.

Journal:

Latvian Journal of Physics and Technical Sciences

Year:

2014

Language:

english

File:

PDF, 1.25 MB

english, 2014

34

Self-trapped holes in LiBaF 3 crystals

Tale, I., Springis, M., Rogulis, U., Ogorodnik, V., Kulis, P., Tale, V., Veispals, A., Fitting, H. J.

Journal:

Radiation Effects and Defects in Solids

Year:

2001

Language:

english

File:

PDF, 207 KB

english, 2001

35

Radiation-induced electronic and ionic charge storage and release in sapphire

Ziraps, V., Graveris, V., Springis, M.

Journal:

Radiation Effects and Defects in Solids

Year:

2002

Language:

english

File:

PDF, 114 KB

english, 2002

36

Hole self-trapping and recombination in LiBaF 3

Tāle, I., Fitting, H.-J., Kūlis, P., Ogorodnik, V., Rogulis, U., Spriņgis, M., Tā, V., Trokšs, J., Veispā, ā.

Journal:

Radiation Effects and Defects in Solids

Year:

1999

Language:

english

File:

PDF, 184 KB

english, 1999

37

Comprehensive study on different crystal field environments in highly efficient NaLaF4:Er3+ upconversion phosphor

Sarakovskis, Anatolijs, Krieke, Guna, Doke, Guna, Grube, Jurgis, Grinberga, Liga, Springis, Maris

Journal:

Optical Materials

Year:

2015

Language:

english

File:

PDF, 2.32 MB

english, 2015

38

Thermal relaxation of colour centres in LiBaF 3 crystals

Kulis, P., Tale, I., Springis, M., Rogulis, U., Veispals, A., Fitting, H. J.

Journal:

Radiation Effects and Defects in Solids

Year:

2001

Language:

english

File:

PDF, 196 KB

english, 2001

39

Point defects related to 260 K thermostimulated luminescence in α-Al 2 O 3

Springis, M., Kulis, P., Tale, I.

Journal:

Radiation Effects and Defects in Solids

Year:

1995

Language:

english

File:

PDF, 185 KB

english, 1995

40

F-type centres in LiBaF 3 crystals

Kulis, P., Tale, I., Springis, M., Rogulis, U., Trokss, J., Veispals, A., Fitting, H.-J.

Journal:

Radiation Effects and Defects in Solids

Year:

1999

Language:

english

File:

PDF, 162 KB

english, 1999

41

Annealing of color centers in LiBaF 3

Kulis, P., Springis, M., Tale, I.

Journal:

Radiation Effects and Defects in Solids

Year:

2002

Language:

english

File:

PDF, 124 KB

english, 2002

42

Defect assisted intrinsic luminescence in Al 2 O 3 crystals

Kulis, P., Rachko, Z., Springis, M., Tale, I., Jansons, J.

Journal:

Radiation Effects and Defects in Solids

Year:

1991

Language:

english

File:

PDF, 306 KB

english, 1991

43

ODMR of Triplet States of Self-Trapped Excitons in Li2GeO3 Crystals

Rogulis, U., Trukhin, A.N., Spaeth, Johann Martin, Springis, M.

Journal:

Materials Science Forum

Year:

1997

File:

PDF, 336 KB

1997

44

Wear Problems of Slide-Friction Pair

Springis, Guntis, Rudzitis, Janis, Avišāne, Anita, Kumermanis, Maris, Semjonovs, Jevgenijs, Leitans, Armands

Journal:

Solid State Phenomena

Year:

2015

Language:

english

File:

PDF, 332 KB

english, 2015

45

SPIE Proceedings [SPIE SPIE Proceedings - (Sunday 12 February 2012)] - Localized excitons in fluoroperovskite LiBaF3 crystals

Springis, Maris, Trukhin, Anatoly N., Tale, Ivar, Krumins, Andris, Millers, Donats, Muzikante, Inta, Sternbergs, Andris, Zauls, Vismants

Year:

2012

Language:

english

File:

PDF, 110 KB

english, 2012

46

Research into the 3d roughness of a rough surface

Avisane, A., Rudzitis, J., Springis, G.

Journal:

Latvian Journal of Physics and Technical Sciences

Year:

2014

Language:

english

File:

PDF, 406 KB

english, 2014

47

Determining the Number of Peaks of Rough Surfaces Necessary for Wear Calculation

Linins, Oskars, Leitans, Armands, Springis, Guntis, Rudzitis, Janis

Journal:

Key Engineering Materials

Year:

2014

Language:

english

File:

PDF, 396 KB

english, 2014

48

SPIE Proceedings [SPIE SPIE Proceedings - (Sunday 12 February 2012)] - Electronic excitations and defects in fluoroperovskite LiBaF3

Springis, Maris, Brikmane, Liga, Tale, Ivar, Kulis, Peteris, Krumins, Andris, Millers, Donats, Muzikante, Inta, Sternbergs, Andris, Zauls, Vismants

Year:

2012

Language:

english

File:

PDF, 423 KB

english, 2012

49

Multicolor Up-Conversion Luminescence in Rare-Earth Doped NaLaF 4

Grube, J, Doke, G, Voss, M, Sarakovskis, A, Springis, M

Journal:

IOP Conference Series Materials Science and Engineering

Year:

2011

Language:

english

File:

PDF, 575 KB

english, 2011

50

AIP Conference Proceedings [AIP 3RD INTERNATIONAL ADVANCES IN APPLIED PHYSICS AND MATERIALS SCIENCE CONGRESS - Antalya, Turkey (24–28 April 2013)] - Wear calculation possibility of slide-friction pair “shaft-plain bearing” for four-stroke engines

Springis, Guntis, Rudzitis, Janis, Avisane, Anita, Kumermanis, Maris

Year:

2013

Language:

english

File:

PDF, 463 KB

english, 2013

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