Distribution of the surface potential of epitaxial HgCdTe

Autor: D V Grigoryev, Sergey A. Dvoretsky, V. A. Novikov, D. A. Bezrodnyy
Přispěvatelé: Томский государственный университет Научное управление Лаборатории НУ, Томский государственный университет Сибирский физико-технический институт Научные подразделения СФТИ
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: Applied physics letters. 2014. Vol. 105, № 10. P. 102107-1-102107-4
Popis: We studied the distribution of surface potential of the Hg1−xCdxTe epitaxial films grown by molecular beam epitaxy. The studies showed that the variation of the spatial distribution of surface potential in the region of the V-defect can be related to the variation of the material composition of epitaxial film. The V-defect is characterized by increased of Hg content with respect to the composition of the solid solution of Hg1−xCdxTe epitaxial film. In this paper, it was demonstrated that the unformed V-defects can be observed together with the macroscopic V-defects on the epitaxial film surface. These unformed V-defects can allow the creation of a complex surface potential distribution profile due to the redistribution of the solid solution composition.
Databáze: OpenAIRE