Journal
CRYSTAL GROWTH & DESIGN
Volume 10, Issue 8, Pages 3466-3470Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg100277w
Keywords
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Funding
- Ministry of Education, Science, Sports and Culture [22560316]
- Grants-in-Aid for Scientific Research [22560316] Funding Source: KAKEN
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{Tb-3}[Sc2-xLux](Al-3)O-12 crystals have been grown and investigated for the first time for magneto-optical applications. Tb3Al5O12 exhibits the best magneto-optical features; however, its incongruent melting nature has led to the industrial use of Tb3Ga5O12. Tb3Sc2Al3O12 had been proposed as an alternative to Tb3Al5O12, but unfortunately its growth also presents several drawbacks. The present investigation shows that by the isovalent substitution of Sc3+ by Lu3+ in the octahedral site of the garnet structure, it is possible to improve the growth characteristics while preserving the superior magneto-optical properties. We demonstrate that {Tb-3}[Sc2-xLux](Al-3)O-12 crystals show a higher visible transparency and a larger Faraday rotation than Tb3Ga5O12 crystals. {Tb-3}[Sc2-xLux](Al-3)O-12 is therefore a very promising material in particular for new magneto-optical applications in the visible-near IR wavelength region.
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