六硼化锶

六硼化锶
识别
CAS号	12046-54-7
EINECS	234-969-8
性质
化学式	SrB6
摩尔质量	152.49 g·mol⁻¹
外观	黑色晶状粉末
密度	3.39 g/cm3，固体（15.0°C）
熔点	2235.0°C
结构
晶体结构	立方晶系
空间群	Pm3m；Oh
危险性
欧盟分类	没列出
NFPA 704	0 1 0
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

六硼化锶（化学式：SrB₆）室温下为黑色晶状粉末，非常稳定，熔点高，密度大。^[1]。在最近的测试中，表现出的轻微半透明暗红色晶体可以刮花石英。^[2]尽管不易于中毒，但对人体皮肤、眼和呼吸道都有刺激性。^[1]

磁性

六硼化锶和其他碱土金属硼化物一样，在低温下会展示出弱磁性。^[3]这种情况被认为是晶格中有些杂质造成的，^[4]^[5]尽管其他解释也必须。^[6]六硼化锶低温下也用于对半导体性质的检测。^[7]

制备

在亨利·莫瓦桑的《电炉》一书中提到一种早期合成六硼化锶的方法：在电炉中将硼酸锶，铝和碳混合。^[2]或者在固相体系下，真空电炉中2mol碳酸锶，3mol碳化硼和1mol碳粉反应也可制备六硼化锶。^[8]

用途

六硼化锶可用作隔热材料和核反应的控制棒。^[8]另一种用途现正在申请专利：飞行器在透明的丙烯酸层使用SrB₆纳米粒。这种纳米粒子的红外线吸收特性可阻止红外线的传送而不阻碍可见光的传播。^[9]

参考资料

^ ^1.0 ^1.1 存档副本 (PDF). [2011-06-19]. （原始内容 (PDF)存档于2006-02-09）.
^ ^2.0 ^2.1 Moissan, Henri. The Electric Furnace.
^ D. P. Young, D. Hall, M. E. Torelli, Z. Fisk, J. L. Sarrao, J. D. Thompson, H. R. Ott, S. B. Oseroff, R. G. Goodrich, and R. Zysler. High-temperature weak ferromagnetism in a low-density free-electron gas. Nature (London), 397, 412 (1999).
^ Shang, S., & Liu, Z. Thermodynamics of the B–Ca, B–Sr, and B–Ba systems: Applications for the fabrications of CaB6, SrB6, and BaB6 thin films. Applied Physics Letters, 2007, 90, 091914-1. Retrieved April 30, 2009, doi:10.1063/1.2710081
^ J. L. Gavilano, B. Ambrosini, H. R. Ott, D. P. Young, Z. Fisk, Low-temperature NMR studies of SrB6, Physica B: Condensed Matter, Volumes 281-282, 1 June 2000, Pages 428-429, ISSN 0921-4526, DOI: 10.1016/S0921-4526(99)01197-7 (http://www.sciencedirect.com/science/article/B6TVH-400WKV6-68/2/9b3bc29604aac16dd96856e9c7aab187 （页面存档备份，存于互联网档案馆）)
^ Dorneles, L., Venkatesan, M., Moliner, M., Lunney, J., & Coey, J. Magnetism in thin films of CaB6 and SrB6. Applied Physics Letters, 2004, 85, 6377-6379. Retrieved April 30, 2009, doi:10.1063/1.1840113
^ H. R. Ott, M. Chernikov, E. Felder, L. Degiorgi, E. G. Moshopoulou, J. L. Sarrao, Z. Fisk. Structure and low temperature properties of SrB6. Z. Phys. B, 1997, 102, 337-345.
^ ^8.0 ^8.1 Shu-Qi Zheng, Zeng-Da Zou, Guang-Hui Min, Hua-Shun Yu, Jian-De Han, Wei-Ti Wang. Synthesis of strontium hexaboride powder by the reaction of strontium carbonate with boron carbide and carbon. Journal of Materials Science Letters, 2002, 21, 313-315.
^ United States Patent Application 20090093578. [2009-05-05]. （原始内容存档于2019-09-12）.

[msds-1] 1.0 ^1.1 存档副本 (PDF). [2011-06-19]. （原始内容 (PDF)存档于2006-02-09）.

[furnace-2] 2.0 ^2.1 Moissan, Henri. The Electric Furnace.

[3] D. P. Young, D. Hall, M. E. Torelli, Z. Fisk, J. L. Sarrao, J. D. Thompson, H. R. Ott, S. B. Oseroff, R. G. Goodrich, and R. Zysler. High-temperature weak ferromagnetism in a low-density free-electron gas. Nature (London), 397, 412 (1999).

[4] Shang, S., & Liu, Z. Thermodynamics of the B–Ca, B–Sr, and B–Ba systems: Applications for the fabrications of CaB6, SrB6, and BaB6 thin films. Applied Physics Letters, 2007, 90, 091914-1. Retrieved April 30, 2009, doi:10.1063/1.2710081

[5] J. L. Gavilano, B. Ambrosini, H. R. Ott, D. P. Young, Z. Fisk, Low-temperature NMR studies of SrB6, Physica B: Condensed Matter, Volumes 281-282, 1 June 2000, Pages 428-429, ISSN 0921-4526, DOI: 10.1016/S0921-4526(99)01197-7 (http://www.sciencedirect.com/science/article/B6TVH-400WKV6-68/2/9b3bc29604aac16dd96856e9c7aab187 （页面存档备份，存于互联网档案馆）)

[6] Dorneles, L., Venkatesan, M., Moliner, M., Lunney, J., & Coey, J. Magnetism in thin films of CaB6 and SrB6. Applied Physics Letters, 2004, 85, 6377-6379. Retrieved April 30, 2009, doi:10.1063/1.1840113

[7] H. R. Ott, M. Chernikov, E. Felder, L. Degiorgi, E. G. Moshopoulou, J. L. Sarrao, Z. Fisk. Structure and low temperature properties of SrB6. Z. Phys. B, 1997, 102, 337-345.

[reaction-8] 8.0 ^8.1 Shu-Qi Zheng, Zeng-Da Zou, Guang-Hui Min, Hua-Shun Yu, Jian-De Han, Wei-Ti Wang. Synthesis of strontium hexaboride powder by the reaction of strontium carbonate with boron carbide and carbon. Journal of Materials Science Letters, 2002, 21, 313-315.

[9] United States Patent Application 20090093578. [2009-05-05]. （原始内容存档于2019-09-12）.

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