Accession Number : AD0662277

Title :   LOW MAGNETIC SATURATION GARNETS.

Descriptive Note : Quarterly progress rept. no. 2, 1 May-31 Jul 67

Corporate Author : SPERRY RAND CORP CLEARWATER FLA SPERRY MICROWAVE ELECTRONICS DIV

Personal Author(s) : Hodges,L. R. , Jr

Report Date : NOV 1967

Pagination or Media Count : 35

Abstract : Four single crystal runs of gallium substituted BiCaVIG were conducted. The magnetization of the crystals increased from 545 to 677 gauss as the Ga2O3 substitution was increased from 0 to 3%. The gallium distribution in the crystals of a BiCaVIG crystal run is considerably more uniform than that observed in the gallium substituted YIGs. The effect of B2O3 additions on particle size and Fe2O3 content on remanent properties for polycrystalline BiCaVIG are described. Qualitative magnetostriction tests have been conducted on selected YIG, BiCaVIG and BiCaV(Al)IG compounds. The data indicates very little magnetostriction exists in the vanadium garnet compounds. Preliminary operating characteristics of an S band digital phase shifter containing polycrystalline toroids of BiCaVIG are described. (Author)

Descriptors :   (*GARNET, MAGNETIC PROPERTIES), (*VANADIUM COMPOUNDS, GARNET), (*MICROWAVE EQUIPMENT, GARNET), FERROMAGNETIC MATERIALS, SINGLE CRYSTALS, MAGNETOSTRICTION, BISMUTH COMPOUNDS, CALCIUM COMPOUNDS, PHASE SHIFT CIRCUITS, HYSTERESIS, PHASE SHIFT CIRCUITS

Subject Categories : Electrical and Electronic Equipment
      Crystallography
      Electricity and Magnetism

Distribution Statement : APPROVED FOR PUBLIC RELEASE