YFeO3_{boldsymbol 3} and other rare earth substituted crystals with distorted orthorhombic pervoskite-like structure (space group, Pbnm) have attracted much attention due to their remarkable magnetic properties of primary significance for technological applications. In the present work, the floating zone growth of YFeO3_{boldsymbol 3} crystals has been systematically investigated and high quality YFeO3_{boldsymbol 3} crystal was obtained by optimized process. The magnetic properties of YFeO3_{boldsymbol 3} crystal were investigated, and it indicated the high magneto-optical property in YFeO3_{boldsymbol 3} crystals with specific orientation due to its anisotropy. YFeO3_{boldsymbol 3} crystals display superior performance in the application magneto-optical current sensors and fast latching optical switches.
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