LIGHT-TRANSMITTING BISMUTH-SUBSTITUTED RARE-EARTH IRON GARNET-TYPE SINTERED MATERIAL, AND MAGNETOOPTICAL DEVICE

摘要

Alight-transmitting bismuth-substituted rare-earth iron garnet-type calcined body expressed by R 3-x Bi x Fe 5 O 12 and having an average crystal particle diameter of 0.3 - 10 micrometers, and a magneto-optical device using said calcined body ; wherein R is at least one kind of elements selected from a group consisting of Y and lanthanoids, and x is a number from 0.5 to 2.5.