Selection, Synthesis, Growth and Characterization of Potential 10.6 Micron Window Materials.
Abstract
A systematic search has been made for ternary and more complex materials that could serve as new 10.6 micrometer IR windows. A literature survey of chalcogenide materials allowed the sorting of more than 1000 ternary compounds into structurally-related families. From these were selected the spinel structure, the Th3P4 structure, the calcium ferrite structure, and the As-Sb-Bi-Pb-Ag-S system for experimental investigation. On the order of 100 compounds were synthesized and their melting behavior, stability under atmospheric ambients, and vibrational spectra were determined. A systematic investigation of all known alkali halide systems reveals no ternary compounds or combination of binary compounds that appear to be superior to the alkali halide window materials already in use. Complex oxides of bismuth with other metals, most importantly lead, are cubic but have vibrational frequencies too high for their consideration as IR windows.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 15, 1974
- Accession Number
- ADA008495
Entities
People
- Rustum Roy
- William B. White
Organizations
- Pennsylvania State University