Open Access
Structure and composition peculiarities and spectral-luminescent properties of colorless and pink Bi4 Ge3 O12 scintillation crystals
3
Publication type: Journal Article
Publication date: 2018-12-01
scimago Q1
wos Q2
SJR: 0.888
CiteScore: 10.4
Impact factor: 5.2
ISSN: 18785352, 18785379
General Chemistry
General Chemical Engineering
Abstract
Czochralski-grown colorless and pink Bi4Ge3O12 (BGO) single crystals have been characterized by the X-ray diffraction, X-ray absorption, and luminescence and optical spectroscopy. Additional high-temperature vacuum annealing of the as-grown colorless crystal at 900–950 °C using a special reducing agent leds to the appearance of pink coloration and modification of its properties. The refinement of actual compositions of both BGO crystals showed the distribution of the Bi3+ions over two, tetrahedral and octahedral, sites, the Bi content in the colorless crystal being greater and lower in the octahedral and tetrahedral sites, respectively, compared with the colored crystal. A small amount of Bi5+ions was revealed in the tetrahedral sites of the colorless crystal. Oxygen vacancies, as a part of the color center responsible for the crystal coloration, were found in the structure of pink sample. The pink BGO crystal is characterized by photoluminescence in the near infra-red spectral range.
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Kuz'micheva G. M. et al. Structure and composition peculiarities and spectral-luminescent properties of colorless and pink Bi4Ge3O12 scintillation crystals // Arabian Journal of Chemistry. 2018. Vol. 11. No. 8. pp. 1270-1280.
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Kuz'micheva G. M., Kaurova I. A., Ivleva L. I., Khramov E. V., Eistrikh Geller P. A., Rybakov V. B., Chukhlovina T. V., Firstov S. Structure and composition peculiarities and spectral-luminescent properties of colorless and pink Bi4Ge3O12 scintillation crystals // Arabian Journal of Chemistry. 2018. Vol. 11. No. 8. pp. 1270-1280.
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TY - JOUR
DO - 10.1016/j.arabjc.2017.07.015
UR - https://doi.org/10.1016/j.arabjc.2017.07.015
TI - Structure and composition peculiarities and spectral-luminescent properties of colorless and pink Bi4Ge3O12 scintillation crystals
T2 - Arabian Journal of Chemistry
AU - Kuz'micheva, Galina M.
AU - Kaurova, I. A.
AU - Ivleva, L. I.
AU - Khramov, Evgeny V.
AU - Eistrikh Geller, P A
AU - Rybakov, Victor B.
AU - Chukhlovina, T V
AU - Firstov, S.
PY - 2018
DA - 2018/12/01
PB - King Saud University
SP - 1270-1280
IS - 8
VL - 11
SN - 1878-5352
SN - 1878-5379
ER -
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BibTex (up to 50 authors)
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@article{2018_Kuz'micheva,
author = {Galina M. Kuz'micheva and I. A. Kaurova and L. I. Ivleva and Evgeny V. Khramov and P A Eistrikh Geller and Victor B. Rybakov and T V Chukhlovina and S. Firstov},
title = {Structure and composition peculiarities and spectral-luminescent properties of colorless and pink Bi4Ge3O12 scintillation crystals},
journal = {Arabian Journal of Chemistry},
year = {2018},
volume = {11},
publisher = {King Saud University},
month = {dec},
url = {https://doi.org/10.1016/j.arabjc.2017.07.015},
number = {8},
pages = {1270--1280},
doi = {10.1016/j.arabjc.2017.07.015}
}
Cite this
MLA
Copy
Kuz'micheva, Galina M., et al. “Structure and composition peculiarities and spectral-luminescent properties of colorless and pink Bi4Ge3O12 scintillation crystals.” Arabian Journal of Chemistry, vol. 11, no. 8, Dec. 2018, pp. 1270-1280. https://doi.org/10.1016/j.arabjc.2017.07.015.