Accession Number : AD0812951

Title :   SYNTHETIC FERGUSONITES AND A NEW POLYMORPH OF YTAO4.

Descriptive Note : Rept. for Sep 65-Dec 66,

Corporate Author : AEROSPACE CORP EL SEGUNDO CA LABS DIV

Personal Author(s) : Wolten, Gerard M. ; Chase, Armond B.

Report Date : JAN 1967

Pagination or Media Count : 13

Abstract : Fergusonite has three rather than two polymorphic modifications. Phase equilibria and structural relations among the polymorphs are explored, and the preparation and characteristics of the new form are described. Previously published information is summarized. (Author)

Descriptors :   (*YTTRIUM COMPOUNDS, CRYSTAL STRUCTURE), ROCK, ENERGY, CRYSTAL GROWTH, NUCLEATION, DOPING, OXIDES, X RAY DIFFRACTION, PHASE STUDIES, LANTHANUM COMPOUNDS, NIOBATES, CHEMICAL BONDS, FLUORIDES, TRANSFORMATIONS, CRYSTAL LATTICES, HIGH TEMPERATURE, SINGLE CRYSTALS, IMPURITIES.

Subject Categories : Physical Chemistry
      Geology, Geochemistry and Mineralogy
      Crystallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE