Growth and Study of Scintillation Properties of Orthovanadate Crystals Ca:GdVO 4  and Ca:YVO 4

S. N. Andreev; M. V. Belov; Yu. D. Zavartsev; M. V. Zavertyaev; A. I. Zagumennyi; V. A. Kozlov; S. A. Kutovoi; N. V. Pestovskii; S. Yu. Savinov

doi:10.3103/S1068335618060040

Growth and Study of Scintillation Properties of Orthovanadate Crystals Ca:GdVO₄ and Ca:YVO₄

Authors: Andreev S.N.¹, Belov M.V.¹, Zavartsev Y.D.², Zavertyaev M.V.¹, Zagumennyi A.I.², Kozlov V.A.¹, Kutovoi S.A.², Pestovskii N.V.¹, Savinov S.Y.¹
Affiliations:
1. Lebedev Physical Institute
2. Prokhorov General Physics Institute
Issue: Vol 45, No 6 (2018)
Pages: 182-186
Section: Article
URL: https://journals.rcsi.science/1068-3356/article/view/228660
DOI: https://doi.org/10.3103/S1068335618060040
ID: 228660

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Abstract

New scintillation orthovanadate crystals Ca:GdVO₄ and Ca:YVO₄ featuring intrinsic luminescence are grown. The spectra of pulsed cathodoluminescence of new scintillators and their luminescence decay time are studied. Using γ-rays with an energy of 662 keV from the ¹³⁷Cs source, total absorption spectra (so-called photopeaks) for new orthovanadate crystals are measured. It is shown that the light yield of Ca:YVO₄ and Ca:GdVO₄ crystals is 28100 photon/MeV and 14000 photon/MeV, respectively.

Keywords

scintillation crystals, orthovanadates, scintillation decay time, pulsed cathodoluminescence

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Growth and Study of Scintillation Properties of Orthovanadate Crystals Ca:GdVO4 and Ca:YVO4

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Growth and Study of Scintillation Properties of Orthovanadate Crystals Ca:GdVO₄ and Ca:YVO₄