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Wyświetlanie 1-3 z 3
Tytuł:
Investigation on Zinc Selenide and Copper Selenide Thin Films Produced by Chemical Bath Deposition
Autorzy:
Durdu, B.
Alver, U.
Kucukonder, A.
Söğüt, Ö.
Kavgacı, M.
Powiązania:
https://bibliotekanauki.pl/articles/1399499.pdf
Data publikacji:
2013-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
32.30.Rj
78.70.En
32.30.-r
32.80.Fb
Opis:
The zinc selenide and copper selenide thin films were deposited by chemical deposition technique on glass substrates. For both films, sodium selenosulphate was used as a selenide ion source in an alkaline solution. The X-ray diffraction patterns show that the ZnSe has a cubic structure and $ Cu_3Se_2 $ film has a tetragonal structure. The relative intensity $ K_β / K_α $ of zinc and copper selenide thin films has been measured by using a $ \text{}^{241}Am$ radioisotope source (75 mCi). The obtained results were compared with the theoretical values.
Źródło:
Acta Physica Polonica A; 2013, 124, 1; 41-45
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examination of the change of the characteristic X-rays of the zinc in fluorine- and boron-doped ZnO thin films
Autorzy:
Söğüt, Ö.
Kerli, S.
Cengiz, E.
Apaydın, G.
Powiązania:
https://bibliotekanauki.pl/articles/1050909.pdf
Data publikacji:
2018-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
32.30.Rj
78.70.En
32.30.-r
32.80.Fb
Opis:
In this study, K_{β}/K_{α} X-ray intensity ratios of zinc in pure zinc, undoped ZnO thin film and boron and fluorine-doped ZnO thin films have been investigated. These samples have been excited by 59.5 keV γ-rays from a ^{241}Am annular radioactive source. K X-rays emitted by the samples have been counted using an Ultra-LEGe detector with a resolution of 150 eV at 5.9 keV. The K_{β}/K_{α} X-ray intensity ratios of the doped ZnO thin films have been compared with that of the undoped ZnO thin film. The deviations between the results can be explained by delocalization and/or charge transfer phenomena causing change in valence electronic configuration of zinc.
Źródło:
Acta Physica Polonica A; 2018, 133, 5; 1124-1128
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
X-ray Diffraction and Elemental Analysis of Medical and Environmental Samples
Autorzy:
Bielecka, K.
Kurtek, W.
Banaś, D.
Kubala-Kukuś, A.
Braziewicz, J.
Majewska, U.
Pajek, M.
Wudarczyk-Moćko, J.
Stabrawa, I.
Powiązania:
https://bibliotekanauki.pl/articles/1197663.pdf
Data publikacji:
2014-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.70.En
87.64.Bx
32.30.Rj
87.64.kv
Opis:
The results of the elemental and chemical composition analysis of human medical samples (blood, serum, hair, urine, tooth, kidney stones, gallstones) and environmental samples (slag, cereal, vegetables, flour, pork bones, pork meat, fish) are presented. The analysis were performed by application of the total reflection X-ray fluorescence, wavelength dispersive X-ray fluorescence and X-ray powder diffraction methods. With X-ray fluorescence methods the following elements were identified: O, Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, Mn, Fe, Ni, Cu, Zn, Se, Br, Rb, Sr, Zr, I, Ba, and Pb, whose concentrations were from a few ng/g to tens of percent. For some samples the elemental analysis was extended by X-ray powder diffraction measurements. With this method the chemical composition was determined. In the paper the experimental setups, methodology of samples preparation and methods of carrying out the measurements are described. As an example the X-ray spectra registered for gallstone sample are discussed in detail. Finally, the results of X-ray diffraction and elemental analysis for selected medical and environmental samples are summarized.
Źródło:
Acta Physica Polonica A; 2014, 125, 4; 911-918
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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