Selective creation of colour centres and peaks of thermally stimulated luminescence by VUV photons in LiF single crystals

2005 ◽  
Vol 2 (1) ◽  
pp. 405-408 ◽  
Author(s):  
E. Vasil'chenko ◽  
I. Kudryavtseva ◽  
A. Lushchik ◽  
Ch. Lushchik ◽  
V. Nagirnyi
Keyword(s):  
Single Crystals ◽  
Thermally Stimulated Luminescence ◽  
Colour Centres

Visible superradiance of excited F2 colour centres in LiF single crystals

1979 ◽  
Vol 28 (1) ◽  
pp. 101-103 ◽  
Author(s):  
T. Kuliński ◽  
F. Kaczmarek
Keyword(s):  
Single Crystals ◽  
Colour Centres

Thermally stimulated luminescence of undoped and Ce3+-doped Gd2SiO5 and (Lu,Gd)2SiO5 single crystals

2015 ◽  
Vol 159 ◽  
pp. 229-237 ◽  
Author(s):  
V. Bondar ◽  
L. Grigorjeva ◽  
T. Kärner ◽  
O. Sidletskiy ◽  
K. Smits ◽  
...  
Keyword(s):  
Single Crystals ◽  
Thermally Stimulated Luminescence

Optical absorption study of colour centres in SrLaAIO4 single crystals

1996 ◽  
Vol 197 (1) ◽  
pp. 241-250 ◽  
Author(s):  
S. B. Ubizskii ◽  
D. I. Savytskii ◽  
A. O. Matkovskii ◽  
A. Gloubokov ◽  
A. Pajaczkowska
Keyword(s):  
Optical Absorption ◽  
Single Crystals ◽  
Absorption Study ◽  
Optical Absorption Study ◽  
Colour Centres

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

1981 ◽  
Vol 104 (2) ◽  
pp. 719-725 ◽  
Author(s):  
P. A. Kulis ◽  
M. J. Springis ◽  
I. A. Tale ◽  
V. S. Vainer ◽  
J. A. Valbis
Keyword(s):  
Single Crystals ◽  
Colour Centres

Colour centres in zircon containing both Eu3+ and U4+ ions

1970 ◽  
Vol 23 (8) ◽  
pp. 1513 ◽  
Author(s):  
PE Fielding
Keyword(s):  
Experimental Data ◽  
Single Crystals ◽  
Absorption Spectra ◽  
Electron Energy ◽  
Energy Levels ◽  
Alkali Halides ◽  
Colour Centres

Single crystals of zircon containing both Eu3+ and U4+ were grown from flux melts cooled at rates varying between 4�/hr and 2�/hr. Irradiation with u.v. develops colour centres only in those regions of a crystal containing Eu3+ and U4+. Fluorescence and absorption spectra measured at temperatures down to 77�K show that these centres are similar in behaviour to F and F' centres in the alkali halides. They are thought to be related to an exchange coupled pair, U4+-02-Eu3+, but the experimental data permit only a description in terms of one-electron energy levels. The same basic behaviour is observed for zircon containing U4+ and any other lanthanide but some interesting differences are described for U4+, Dy3+.

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