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Kokosza, R.

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Electron structure and optical propertics of Gd3Ga5O12 GARNET doped with Tb

Shcherba, Ivan D.; Kostyk, L. V.; Uskoković, Dragan; Tsvetkova, O.; Stosyk, A.; Jatcyk, Bohdan M.; Kokosza, R.

(Belgrade : Materials Research Society of Serbia, 2011)

TY  - CONF
AU  - Shcherba, Ivan D.
AU  - Kostyk, L. V.
AU  - Uskoković, Dragan
AU  - Tsvetkova, O.
AU  - Stosyk, A.
AU  - Jatcyk, Bohdan M.
AU  - Kokosza, R.
PY  - 2011
UR  - http://dais.sanu.ac.rs/123456789/685
AB  - Rare-earth doped gadolinium gallium garnet (Gd3Ga5O12) has attracted much attention as important material for application in many optical devices. Recently, the nanostructure materials are considered as potentially useful for many technological applications. This paper presents the results of electron structure and spectral-luminescent properties of pure and Tb3+ doped Gd3Ga5O12 nanopowders prepared by a co-precipitation method. Analysis of diffractograms of the nanopowders showed that the minimum calcinations temperature that allowed getting a single garnet phase is T ~ 750oC. An average crystalline size of powders is about 35-47 nm. The surface microstructure was observed by using an atomic force microscope Solver P47H-PRO. The luminescence transition 5D4→7Fj (green emission) is dominated at the X-ray and photo excitation of nanosized Gd3Ga5O12 doped with Tb3+. The influence of the crystalline size and preparing condition on the luminescence properties of Gd3Ga5O12 is discussed. High-energy spectroscopy has been used to study the electron structure of the investigated rare-earth doped gadolinium gallium garnet (Gd3Ga5O12). The calculations of electron energy bands E(k) and partial DOS for compounds were performed by the semi relativistic linear muffin-tin orbital method without considerations of spin-orbit interactions. Effective filling numbers of electrons in different bands of components in garnet Gd3Ga5O12 been calculated. Between the experimental and calculated X-ray emission spectra garnet Gd3Ga5O12 good agreement has been obtained.
PB  - Belgrade : Materials Research Society of Serbia
C3  - The Thirteenth Annual Conference YUCOMAT 2011: Programme and the Book of Abstracts
T1  - Electron structure and optical propertics of Gd3Ga5O12 GARNET doped with Tb
SP  - 108
EP  - 108
ER  - 
@conference{
author = "Shcherba, Ivan D. and Kostyk, L. V. and Uskoković, Dragan and Tsvetkova, O. and Stosyk, A. and Jatcyk, Bohdan M. and Kokosza, R.",
year = "2011",
url = "http://dais.sanu.ac.rs/123456789/685",
abstract = "Rare-earth doped gadolinium gallium garnet (Gd3Ga5O12) has attracted much attention as important material for application in many optical devices. Recently, the nanostructure materials are considered as potentially useful for many technological applications. This paper presents the results of electron structure and spectral-luminescent properties of pure and Tb3+ doped Gd3Ga5O12 nanopowders prepared by a co-precipitation method. Analysis of diffractograms of the nanopowders showed that the minimum calcinations temperature that allowed getting a single garnet phase is T ~ 750oC. An average crystalline size of powders is about 35-47 nm. The surface microstructure was observed by using an atomic force microscope Solver P47H-PRO. The luminescence transition 5D4→7Fj (green emission) is dominated at the X-ray and photo excitation of nanosized Gd3Ga5O12 doped with Tb3+. The influence of the crystalline size and preparing condition on the luminescence properties of Gd3Ga5O12 is discussed. High-energy spectroscopy has been used to study the electron structure of the investigated rare-earth doped gadolinium gallium garnet (Gd3Ga5O12). The calculations of electron energy bands E(k) and partial DOS for compounds were performed by the semi relativistic linear muffin-tin orbital method without considerations of spin-orbit interactions. Effective filling numbers of electrons in different bands of components in garnet Gd3Ga5O12 been calculated. Between the experimental and calculated X-ray emission spectra garnet Gd3Ga5O12 good agreement has been obtained.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "The Thirteenth Annual Conference YUCOMAT 2011: Programme and the Book of Abstracts",
title = "Electron structure and optical propertics of Gd3Ga5O12 GARNET doped with Tb",
pages = "108-108"
}
Shcherba, I. D., Kostyk, L. V., Uskoković, D., Tsvetkova, O., Stosyk, A., Jatcyk, B. M.,& Kokosza, R. (2011). Electron structure and optical propertics of Gd3Ga5O12 GARNET doped with Tb.
The Thirteenth Annual Conference YUCOMAT 2011: Programme and the Book of AbstractsBelgrade : Materials Research Society of Serbia., null, 108-108. 
Shcherba ID, Kostyk LV, Uskoković D, Tsvetkova O, Stosyk A, Jatcyk BM, Kokosza R. Electron structure and optical propertics of Gd3Ga5O12 GARNET doped with Tb. The Thirteenth Annual Conference YUCOMAT 2011: Programme and the Book of Abstracts. 2011;:108-108