Crystal growth and characterization of the rare earth orthoferrite PrFeO3
2013
Abstract Large PrFeO 3 single crystal 45 mm in length and 6 mm in diameter was successfully grown by the floating zone technique using a four-mirror-image-furnace at 2 mm/h growth rate under flowing air. XRD pattern and X-ray back-reflection Laue photograph indicated good quality of the as-grown PrFeO 3 single crystal and confirmed [110]-orthorhombic orientation along the grown direction. Fe/Pr ratio fluctuates a little in different zones and has a slight Fe deficiency in the sediments. The evident magnetic anisotropy was observed by comparing the magnetization with H ⊥(110) and H (110), and confirmed the good quality of the as-grown crystal. Pr 3+ moments align from the paramagnetic state into the antiferromagnetic state below 7.6 K.
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