Vacuum ultraviolet spectroscopy of U : LiF, Cu, and U : NaF, Cu crystals / Pustovarov VA,Shul'gin BV,Kirm M,Kidibaev MM,Zhamangulov AA // OPTICS AND SPECTROSCOPY. - 2000. - V. 88, l. 5. - P. 713-717.

ISSN/EISSN:

0030-400X / нет данных

Type:

Article

Abstract:

Luminescence and excitation spectra of doped LiF and NaF crystals are studied by time-resolved optical and luminescent vacuum ultraviolet (VUV) spectroscopy (2-40 eV energy range, T = 10-295 K) with the use of synchrotron radiation of the X-ray and the VUV ranges and pulsed electron beams. Spectral kinetic parameters of luminescence and energies of excited states of U6+ ions art: determined. The dominant role of the electron-hole mechanism for energy transfer to impurity centers is established. The effect of multiplication of electronic excitations is clearly manifested for E > 25 eV in NaF:U, Cu crystals and determines their high scintillation yield (137\% relative to Tl:CsI when detected in the current regime). (C) 2000 MAIK ``Nauka/Interperiodica{''}.

Author keywords:

SYNCHROTRON RADIATION; LUMINESCENCE

DOI:

10.1134/1.626864

Web of Science ID:

ISI:000087663000011

Соавторы в МНС:

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Другие поля

Поле	Значение
Month	MAY
Publisher	OPTICAL SOC AMER
Address	2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
Language	English
Keywords-Plus	SYNCHROTRON RADIATION; LUMINESCENCE
Research-Areas	Optics; Spectroscopy
Web-of-Science-Categories	Optics; Spectroscopy
ResearcherID-Numbers	Kirm, Marco/M-1533-2016
ORCID-Numbers	Kirm, Marco/0000-0002-1833-6894
Number-of-Cited-References	13
Usage-Count-Since-2013	3
Journal-ISO	Opt. Spectrosc.
Doc-Delivery-Number	325EH