Energy Dispersive X-ray Analysis of the Graded Band Gap CdZnTe Films

The 14th International Conference on Global Research and Education "Inter-Academia 2015": Abstracts Book 2015
Līga Orlova, Yaroslav Znamenshchykov, Volodymyr Kosyak, Artūrs Medvids, Anatoliy Opanasyuk, Gundars Mežinskis

The present study is focused on vacuum deposition and characterization of CdZnTe (CZT) films with through-thickness gradient of Zn concentration in order to obtain graded band gap structure. The spatial distribution of Zn concentration was determined by the energy dispersive X-ray spectroscopy (EDS). Preliminary analysis by the XRD and SEM methods shows a good structural quality of the films. Further EDS cross section analysis reveals gradient in Zn concentration. Namely, the smooth variation of Zn concentration from 5 atomic % on a surface to 20 atomic % at substrate was observed, which corresponds to a variation of band gap from 1.55 to 1.63 eV.

Keywords
CdZnTe films, graded band gap, closed spaced sublimation
Hyperlink
http://iac.icsu.shizuoka.ac.jp/en/conference/ia2015/

Grase, L., Znamenshchykov, Y., Kosyak, V., Medvids, A., Opanasyuk, A., Mežinskis, G. Energy Dispersive X-ray Analysis of the Graded Band Gap CdZnTe Films. In: The 14th International Conference on Global Research and Education "Inter-Academia 2015": Abstracts Book, Japan, Hamamatsu, 28-30 September, 2015. Shizuoka: Shizuoka University, 2015, pp.156-157.

Publication language
English (en)