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Structural, optical...
Structural, optical, and luminescence properties of ZnO:Ga optical scintillation ceramic
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- Gorokhova, E. I. (author)
- Vavilov State Optical Institute
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- Eron’Ko, S. B. (author)
- Vavilov State Optical Institute
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- Oreshchenko, E. A. (author)
- Vavilov State Optical Institute
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- Sandulenko, A. V. (author)
- Vavilov State Optical Institute
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- Rodnyi, P. A. (author)
- St. Petersburg State Polytechnical University
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- Chernenko, K. A. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,St. Petersburg State Polytechnical University
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- Venevtsev, I. D. (author)
- St. Petersburg State Polytechnical University
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- Kul’Kov, A. M. (author)
- Saint Petersburg State University
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- Muktepavela, Faina (author)
- University of Latvia
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- Boutachkov, Plamen (author)
- GSI Helmholtz Centre for Heavy Ion Research
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Vavilov State Optical Institute St Petersburg State Polytechnical University (creator_code:org_t)
- 2018
- 2018
- English 9 s.
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In: Journal of Optical Technology (A Translation of Opticheskii Zhurnal). - 1070-9762. ; 85:11, s. 729-737
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http://dx.doi.org/10...
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Abstract
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- This paper discusses the characteristics of ZnO and ZnO:Ga ceramics fabricated by uniaxial hot pressing. The short-wavelength transmission limit of zinc oxide ceramics is in the 370-nm region; the long-wavelength limit is determined by the free-charge-carrier concentration and lies in the interval from 5 to 9 μm. The total transmittance of such ceramics in the visible and near-IR regions is about 70% when the sample is 0.5 mm thick. The luminescence spectrum is represented by a broad emission band with maximum at 580 nm, having a defect nature. The introduction of 0.03–0.1 mass % gallium into the zinc oxide structure inhibits grain growth and increases the free-charge-carrier concentration to 3.44 × 1019 cm−3. As the gallium concentration increases in the range 0.05–0.1 mass % in a ceramic of composition ZnO:Ga, the defect luminescence band is suppressed and a characteristic exciton luminescence is formed with a maximum corresponding to 389 nm and a damping time constant of 1.1 ns.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Gorokhova, E. I.
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Eron’Ko, S. B.
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Oreshchenko, E. ...
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Sandulenko, A. V ...
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Rodnyi, P. A.
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Chernenko, K. A.
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show more...
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Venevtsev, I. D.
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Kul’Kov, A. M.
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Muktepavela, Fai ...
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Boutachkov, Plam ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Journal of Optic ...
- By the university
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Lund University