Accession Number : ADA187554

Title :   Local Stoichiometry and Atomic Interdiffusion during Reactive Metal/Mercury-Cadmium-Telluride Junction Formation.

Descriptive Note : Interim rept.,

Corporate Author : MINNESOTA UNIV MINNEAPOLIS DEPT OF CHEMICAL ENGINEERING AND MATERIALS SCIENCE

Personal Author(s) : Wall, A ; Raisanen, A ; Chang, S ; Philip, P ; Troullier, N

PDF Url : ADA187554

Report Date : 23 Oct 1987

Pagination or Media Count : 19

Abstract : We summarize synchrotron radiation photoemission studies of Ag, Ge and Sm overlayers on Hg1-xCdxTe (110) surfaces. These metals exhibit widely different interface reactivity with Hg1-xCdxTe and yield a range of different interface morphologies. To assess the relative importance of the microscopic driving forces that determine the local composition at the interface and in the semiconductor near surface region we present a systematic comparison of our data with calculated thermodynamic parameters such as the cation-metal heat of solution, the heat of alloying from Miedema's semiempirical model, and the metaltelluride formation enthalpy. (Mercury compounds, Cadmium Tellurides)

Descriptors :   *CADMIUM TELLURIDES, *INTERFACES, *MERCURY COMPOUNDS, *STOICHIOMETRY, COMPARISON, ENTHALPY, METALS, MORPHOLOGY, PHOTOELECTRIC EMISSION, RADIATION, REACTIVITIES, SEMICONDUCTORS, SURFACES, SYNCHROTRONS, THERMODYNAMICS

Subject Categories : Inorganic Chemistry
      Physical Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE