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Crystal Research and Technology |
Cryst. Res. Technol. 42, 943 (2007) - Abstract -
Growth and characterization of magneto-optical YFeO3 crystals
Hui Shen, Jiayue Xu, Anhua Wu, Jinxing Yu*, Yan Liu, and Liqing Luo
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China
*School of materials science and engineering, Shanghai Jiao Tong University, Shanghai 200030, P.R. China
| Keywords | floating zone technique, magneto-optical materials, single crystal growth |
| PACS | 81.10.Fq |
| DOI | 10.1002/crat.200710972 |
The floating zone growth of magneto-optical crystal YFeO3 has been investigated. The polycrystalline feed rod was prepared by a pressure of 250MPa and sintering at about 1500°C. A crack- free YFeO3 single crystal has been successfully grown. The crystal preferred to crystallize along <100> direction with about 10° deviation. The X-ray rocking curve of the crystal has a FWHM of 24 arcsec, confirming the high crystal quality of the sample. The (100) plane was etched by hot phosphoric acid and the dislocation density was about 104/cm2. A thin outer layer with Y2O3-rich composition was found at the periphery of as-grown crystals, which was attributed to the Fe2O3 evaporation during growth.
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