SINGLE CRYSTAL PEROVSKITES AS ELECTROOPTICALLY ACTIVE MATERIALS.
Quarterly rept. no. 2, 1 Oct 66-1 Jan 67,
UNION CARBIDE CORP INDIANAPOLIS IND ELECTRONICS DIV
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Many crystals of potassium tantalate-niobate KTN were grown. Several large cubes of good optical quality were produced. The best of these had a low d-c conductivity and good a-c and d-c electrooptic behavior over the entire section of the crystal. Extinctions as high as 20 db were measured for an aperture of 5 mm. The literature search for complex perovskites yielded about 450 compounds. The computer programs to generate complex perovskites are ready for final processing. An iridium-strip furnace is ready for exploratory fusions of new compositions. Author