Zobrazeno 1 - 10
of 113
pro vyhledávání: '"N.P. Efryushina"'
Autor:
I.V. Berezovskaya, Yu. A. Doroshenko, N. I. Poletaev, N.P. Efryushina, A. S. Voloshinovskii, V. P. Dotsenko, E. V. Zubar, Gregory Stryganyuk
Publikováno v:
Journal of Alloys and Compounds. 550:159-163
Terbium–yttrium aluminum garnets (TYAG) doped with Ce 3+ ions have been prepared by solid state reactions between nanostructured oxides of aluminum and rare earths. The luminescent properties of Ce 3+ ions in (Тb 0.8 Y 0.2 ) 3(1−x) Ce 3x Al 5 O
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Publikováno v:
Journal of Materials Science. 45:1469-1472
The luminescence properties of Sm3+ ions in YAl3B4O12 were studied upon synchrotron excitation in the 3.8–11 eV region. In addition to the 4f → 4f excitation bands, the excitation spectra of the Sm3+ emission contain broad bands at 6.1 and ~7.0 e
Publikováno v:
Optical Materials. 31:1428-1433
Based on the results of luminescent measurements on MB2O4 (M = Ca, Sr), Ca2B5O9Cl, SrB6O10, SrAl2B2O7 and the literature data, the influence of the crystal structure of alkaline earth borates on the position of their optical absorption edge is discus
Autor:
N.P. Efryushina, Pieter Dorenbos, V.P. Dotsenko, A. S. Voloshinovskii, C.W.E. van Eijk, A.V. Sidorenko, I.V. Berezovskaya
Publikováno v:
Journal of Alloys and Compounds. 391:170-176
The luminescent properties of Ce3+ ions in alkaline earth borophosphates MBPO5 (M = Sr, Ba) were studied upon excitation in the 3.5–15 eV region. In MBPO5 (M = Sr, Ba; x ≤ 0.01) solid solutions two principal Ce3+ centers are observed. The dominan
Publikováno v:
Materials Chemistry and Physics. 77:141-146
The luminescence properties of Ce 3+ ions in magnesium fluoroborate (Mg 3 BO 3 F 3 ) upon excitation in the 3.5–22 eV region are reported and discussed. In Mg 3(1− x ) Ce 3 x BO 3 F 3 ( x ≤0.001) solid solutions, two principal Ce 3+ centers are
Autor:
A.V. Sidorenko, N.P. Efryushina, V.P. Dotsenko, Piotr A. Rodnyi, I.V. Berezovskaya, P.V. Pyrogenko, C.W.E. van Eijk
Publikováno v:
Journal of Solid State Chemistry. 166:271-276
The luminescence properties of ytterbium ions in strontium haloborates were studied under optical, X-ray and synchrotron excitation. The coexistence of Yb ions in two valence states (divalent and trivalent) was detected in the Sr 2 B 5 O 9 X:Yb ( X =
Publikováno v:
Radiation Measurements. 33:755-758
The luminescence properties of Ce 3+ ions in magnesium fluoroborates, Mg 3 BO 3 F 3 and Mg 2 BO 3 F, upon X-ray and synchrotron radiation excitation are reported and discussed. VUV excitation spectra of Mg 3 BO 3 F 3 :Ce 3+ can be reasonably explaine
Autor:
N.P. Efryushina, A. S. Voloshinovskii, V.P. Dotsenko, Pieter Dorenbos, I.V. Berezovskaya, C.W.E. van Eijk
Publikováno v:
Journal of Luminescence. 93:137-145
The luminescence properties of Ce3+ ions in strontium haloborates were studied upon excitation in the 3.5–22 eV region. In Sr2(1−x)Ce2xB5O9R (RCl, Br; x⩽0.01) solid solutions, two principal Ce3+ centers are observed. The dominant center was
Autor:
Yu. A. Doroshenko, N.P. Efryushina, N. I. Poletaev, E. V. Zubar, I.V. Berezovskaya, Gregory Stryganyuk, A. S. Voloshinovskii, V. P. Dotsenko
Publikováno v:
ChemInform. 44
Polycrystalline samples of (Tb0.8Y0.2)3 (1-x)Ce3xAl5O12 (x = 0—0.03) are prepared by solid state reaction of Al2O3 and mixed rare earth oxides (Tb,Y)4O7:Ce (about 1300 °C, 3—5 h).