RARE EARTH-IRON GARNET SINGLE CRYSTAL MATERIAL AND METHOD FOR PREPARATION THEREOF AND DEVICE USING RARE EARTH-IRON GARNET SINGLE CRYSTAL MATERIAL

摘要

A rare earth-iron garnet single crystal material which consists substantially of a single crystal of Re3Fe5-xMxO12, wherein Re represents at least one of Y, Bi, Ca and lanthanide rare earth elements having an atomic number of 62 to 71, M represents a transition metal element having at least one of an atomic number of 22 to 30, Al, Ga, Sc, In and Sn, and 0 ) of crystal grains forming small angle tilt boundaries of 0 .