| Synthesis and Structure of Ba3La2（BO3）4 Crystal |
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| 引用本文： | 潘尚可,王国富,黄子祥. Synthesis and Structure of Ba3La2（BO3）4 Crystal[J]. 结构化学, 2002, 21(4): 382-384 |
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| 作者姓名： | 潘尚可 王国富 黄子祥 |
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| 作者单位： | PAN Shang-Kea，b WANG Guo-Fua② HUANG Zi-Xianga a (State Key Laboratory of Structural Chemistry，Fujian Institute of Research on the Structure of Matter，Chinese Academy of Sciences，Fuzhou，Fujian 350002，China |
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| 基金项目： | The project was supported by the Natural Science Foundation of Fujian Province(E9810015，A011018) the International Collaboratiive Project of the Fujian Science and Technology Committee (99I10) |
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| 摘 要： | 1 INTRODUCTION At present the researches on more efficient solid-state laser materials become more important for the rapid development of diode-laser pumped solid-state laser. More researches have been devoted to the double borate compounds RX3(BO3)4 (R = Y, La, Gd and X = Y, Al, Sc), some of which exhibit good chemical and physical properties[1～10]. The rare earth and alkali-halide double borates M3Ln2(BO3)4 (M = Ca, Sr, Ba and Ln = LaLu and Y) were reported in literatures[11…
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| 关 键 词： | Ba3La2（BO3）4 硼酸 镧 钡 晶体 结构 合成 多硼酸盐 |
Synthesis and Structure of Ba3La2(BO3)4 Crystal |
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| Affiliation: | 1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences, Fuzhou, Fujian 350002, China;Graduate School of Chinese Academy of Sciences, Beijing 100039, China
2. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences, Fuzhou, Fujian 350002, China |
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| Abstract: | Crystals of Ba3La2(BO3)4 have been synthesized by the HTSG method and the structure of the compound was described. The compound crystallizes in the orthorhombic system, space group Pnma with the following parameters: a = 7.731(2), b = 17.043(1), c = 9.019(3) ? V = 1188.2(1) 3, Ba3La2B4O12, Mr = 925.08, Z = 4, Dc = 5.171 g/cm3, ?MoK) = 0.71073 ? ?= 16.888 mm-1, F(000) = 1592, final R = 0.0736 and wR = 0.1853 for 2948 observed reflections with I > 2(I). The La atom connects Ba(1) atom through a 4-O(O4) atom from a BO3 group and O(2)B(1)O(3) bond from another BO3 group, while it connects Ba(2) atom through a 4-O(O(4)) atom and a 3-O(6A) atom from two BO3 groups. |
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| Keywords: | synthesis crystal structure double borate |
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