Polycrystalline ferrimagnetic garnet having a narrow gyromagnetic resonance line width and a low magnetic moment

摘要

A garnet having a magnetic moment of less than 600 G and a resonance line width of less than 100 Oe for operation from 1 to 5 Gc/s. The garnet corresponds to the formula : ##EQU1## where x has a value of from 0.75 to 0.85 and y a value of from 0.05 to 0.35.