Growth of {Tb3}[Sc2−xLux](Al3)O12 Single Crystals for Visible-Infrared Optical Isolators
Growth of {Tb3}[Sc2−xLux](Al3)O12 Single Crystals for Visible-Infrared Optical Isolators
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DOI：
10.1021/cg100277w
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发表时间：
2010-06
影响因子：
3.8
通讯作者：
K. Shimamura;T. Kito;E. Castel;A. Latynina;P. Molina;E. Vı́llora;P. Mythili;P. Veber;J. Chaminad
中科院分区：
文献类型：
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作者：
K. Shimamura;T. Kito;E. Castel;A. Latynina;P. Molina;E. Vı́llora;P. Mythili;P. Veber;J. Chaminad
首次生长了{Tb_3}[Sc_2−_xLux](Al_3)O_(12)晶体，并对其磁光性能进行了研究。Tb_3Al_5O_(12)具有最好的磁光性能，但其不一致的熔融性质导致了Tb_3Ga_5O_(12)的工业应用。Tb3Sc2Al3O12曾被提出作为Tb3Al5O12的替代品，但不幸的是，它的生长也存在一些缺点。目前的研究表明，通过在石榴石结构的八面体位置上用Lu3+等价取代Sc3+，有可能在保持优良的磁光性能的同时改善生长特性。我们证明了{Tb_3}[Sc_2−_xLux](Al_3)O_(12)晶体比Tb_3Ga_5O_(12)晶体具有更高的可见光透过率和更大的法拉第旋转角。因此，{Tb3}[Sc2−xLux](Al3)O12是一种非常有前途的材料，特别是在可见光-近红外波段的新的磁光应用。
{Tb3}[Sc2−xLux](Al3)O12 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 {Tb3}[Sc2−xLux](Al3)O12 crystals show a higher visible transparency and a larger Faraday rotation than Tb3Ga5O12 crystals. {Tb3}[Sc2−xLux](Al3)O12 is therefore a very promising material in particular for new magneto-optical applications in the visible-near IR wavelength region.