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Growth and Crystal Structure of YbAl3（BO3）4

徐永源、陈雨金、罗遵度、陈久桐、黄艺东

2002结构化学Materials Science被引 1

摘要

The compound YbAl3(BO3)4 belongs to huntite, space group R32 with cell parameters: a = 9.251(2), c = 7.189(3) (A。）, Z = 3, Dc = 4.574 g/cm3, F(000) = 675.0, V = 532.84 (A。）3, μ = 13.63 mm-1, λ(MoKα) = 0.71073(A。）, Mr = 489.22, (YbAl3B4O12), the final R = 0.0286 and wR = 0.0710. The Yb3+ ion occupies the trigonal prismatic site and the Al3+ ion occupies the octahedral site. There are two sets of (BO3)3- planar triangles. The Yb3+ ions are connected by means of Yb-O-Al[B(2)]-Yb with the distance 5.854 A.

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