Perfectly transparent pore-free Nd3+-doped Sr9GdF21 polycrystalline ceramics elaborated from single-crystal ceramization
Perfectly transparent pore-free Nd3+-doped Sr9GdF21 polycrystalline ceramics elaborated from single-crystal ceramization
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单晶陶瓷化制备完全透明无孔 Nd3 掺杂 Sr9GdF21 多晶陶瓷
DOI：
10.1016/j.jeurceramsoc.2017.05.054
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发表时间：
2017-12
影响因子：
5.7
通讯作者：
Zhang Long
中科院分区：
文献类型：
--
作者：
Jiang Yiguang;Jiang Benxue;Jiang Nan;Zhang P;e;Chen Shuilin;Gan Qijun;Zhang Ge;Fan Jintai;Mao Xiaojian;Su Liangbi;Li Jiang;Zhang Long
采用单晶陶瓷化的方法制备了掺Nd3+的Sr9GdF21(SGF)透明无孔多晶陶瓷。掺Nd3+的SGF陶瓷(厚度8 mm)在可见光波段的平均透过率(TA)约为90.6%，在近红外波段的平均透过率(TA)大于92%。掺Nd3+的SGF陶瓷的断裂韧性可达1.28 Mpa/m1/2，明显高于同类陶瓷。Gd3+离子同时作为缓冲离子和钉扎离子，有效地改善了SGF陶瓷的光学和力学性能，这意味着该样品是一种很有前途的高功率激光器候选材料。此外，该陶瓷具有高的中红外和远红外(高达9μm)透过率、低声子能量和高密度(ρ=约4.8466微克/厘米~3)，这为红外窗口、中红外和远红外激光、闪烁体和光子学等广泛应用铺平了道路。
An Nd3+-doped Sr9GdF21(SGF) transparent pore-free polycrystalline ceramic is produced by the ceramization of single crystals. The average transmittance (TA) of the Nd3+-doped SGF ceramic (8-mm thick) is about 90.6% in the visible region and more than 92% in the near-IR region. The fracture toughness of the Nd3+-doped SGF ceramic is up to 1.28 MPa m1/2, which is significantly higher than that of similar types of ceramics. Gd3+ions, acting as both buffer ions and pinning ions, effectively improve the optical and mechanical properties of the SGF ceramic, implying that the sample is a promising candidate for high-power lasers. Moreover, the SGF ceramic shows a high mid- and far-infrared (up to 9 μm) transmittance, low phonon energy, and high density (ρ = 4.8466 g/cm3), which pave the way for a wide range of applications such as infrared windows, mid- and far-infrared lasers, scintillators, and in photonics.
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影响因子：
29.4
作者：
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通讯作者：
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影响因子：
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作者：
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影响因子：
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作者：
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