Growth and Characterization of Neodymium-Doped Yttrium Scandate Crystal Fiber with a Bixbyite-type Crystal Structure,Crystal Growth & Design

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Growth and Characterization of Neodymium-Doped Yttrium Scandate Crystal Fiber with a Bixbyite-type Crystal Structure
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2020-05-15 , DOI: 10.1021/acs.cgd.0c00389
Olimkhon Alimov ₁ , Elena Dobretsova ₁ , Denis Guryev ₁ , Vitaly Kashin ₁ , Galina Kiriukhina _{2,

3} , Sergei Kutovoi ₁ , Sergey Rusanov ₁ , Sergey Simonov ₄ , Vladimir Tsvetkov ₁ , Victor Vlasov ₁ , Valery Voronov ₁ , Olga Yakubovich ₂

Affiliation

A crystal fiber of yttrium scandate YScO₃ doped with Nd³⁺, with a cubic bixbyite-type crystal structure, has been synthesized through laser-heated pedestal growth for the first time. Its crystal structure has been determined using low-temperature (150 K) single-crystal X- ray diffraction: space group Ia3̅, a = 10.2166(1) Å, R = 0.0177. A new phase was characterized with micro-Raman scattering and fluorescence. Fluorescence excitation measurements show two complex local positions of Nd³⁺ in the crystal structure with lifetimes τ₁ = 290 and τ₂ = 250 μs (⁴F_3/2 multifold) at a temperature T = 77 K.

中文翻译：

具有方铁矿型晶体结构的掺钕Scan酸钇晶体光纤的生长和表征

首次通过激光加热的基座生长合成了掺有Nd ^3+的scan酸钇YScO ₃晶体纤维，具有立方方铁锰矿型晶体结构。其晶体结构已被利用低温（150 K）单晶X-射线衍射测定：空间群IA 3，一个= 10.2166（1）埃，- [R = 0.0177。用微拉曼散射和荧光表征了新相。荧光激发测量显示的Nd 2个复杂的局部位置³⁺与寿命τ的晶体结构₁ = 290和τ ₂ = 250微秒（⁴˚F _3/2多方面）在温度Ť = 77 K.

更新日期：2020-07-01

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