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Crystals 2017, 7(8), 229;

Pr9.33(SiO4)6O2 Crystals: Czochralski Growth and Near UV-Visible FR Performance

College of Chemistry, Fuzhou University, Fuzhou 350116, China
Author to whom correspondence should be addressed.
Academic Editor: Shujun Zhang
Received: 29 June 2017 / Revised: 21 July 2017 / Accepted: 21 July 2017 / Published: 31 July 2017
(This article belongs to the Section Crystalline Materials)
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Pr9.33(SiO4)6O2 crystals have been grown by the Cz-method for the first time for near UV–visible Faraday rotation applications. Rietveld refinement of XRD data demonstrates that the compound crystallizes in the oxyapatite structure with space group P63/m, with oxyapatite structure. In contrast to Tb3Ga5O12, Pr9.33(SiO4)6O2 crystal shows a higher transparency in the UV–visible wavelength region, and a shorter cutoff at 270 nm. The Faraday rotation performance and the temperature-dependence of the field-cooled (FC) and zero-field-cooled (ZFC) magnetic susceptibility have been investigated, which indicate that the Pr9.33(SiO4)6O2 crystal exhibits paramagnetic behavior in the experimental temperature range from 2 to 300 K and yields a larger FR angle which rapidly increases towards the cutoff. Pr9.33(SiO4)6O2 crystal is therefore a promising magneto-optical crystal in particular for potential FR applications in the near UV–visible spectral region. View Full-Text
Keywords: magneto-optic material; Czochralski technique; magnetism; Faraday rotation magneto-optic material; Czochralski technique; magnetism; Faraday rotation

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Chen, X.; Chen, J. Pr9.33(SiO4)6O2 Crystals: Czochralski Growth and Near UV-Visible FR Performance. Crystals 2017, 7, 229.

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