Growth of Chlorapatite Crystals from a Sodium Chloride Flux
Growth of Chlorapatite Crystals from a Sodium Chloride Flux
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从氯化钠熔剂中生长氯磷灰石晶体
DOI：
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发表时间：
1997
期刊：
影响因子：
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通讯作者：
I. Sugiura
中科院分区：
文献类型：
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作者：
S. Oishi;I. Sugiura
首次从氯化钠熔剂中生长出结构良好的氯磷灰石[Ca5Cl(PO4)3]晶体。Ca5Cl(PO4)3在氯化钠中的溶解度随温度升高而增大。在1100℃时，Ca5Cl(PO4)3的溶解度约为0.15%。Ca5Cl(PO4)3晶体的生长是在1100℃加热10h，然后以5℃h−1的速度冷却到500℃。在含有少量溶质(0.05-0.5mol%)的高温溶液中生长出长达4.0 mm、宽1.2 mm的无色透明晶体。得到的晶体分为两种不同的形态类型：棱柱状和针状。柱状晶体和针状晶体生长的最适溶质含量分别为0.15%和0.1mol%。晶型也与溶质含量有关。棱柱状晶体由{}面和{}面束缚。针状晶体向各个方向伸长。钙、氯、磷和氧几乎..。
Well-formed crystals of chlorapatite [Ca5Cl(PO4)3] were first grown from a sodium chloride flux. The solubility of Ca5Cl(PO4)3 in NaCl increased with increasing temperature. At 1100 °C, Ca5Cl(PO4)3 had a solubility of about 0.15 mol%. The crystal growth of Ca5Cl(PO4)3 was conducted by heating a mixture of solute and flux at 1100 °C for 10 h, followed by cooling to 500 °C at a rate of 5 °C h−1. Colorless and transparent crystals having lengths up to 4.0 mm and widths of 1.2 mm were grown from high-temperature solutions containing small amounts of solute (0.05—0.5 mol%). The obtained crystals were divided into two distinct morphological types: prisms and needles. The most suitable solute contents for the growth of prismatic and needle crystals were 0.15 and 0.1 mol%, respectively. The crystal forms were also dependent on the solute content. The prismatic crystals were bounded by the {} and {} faces. The needle crystals elongated in the directions. Calcium, chlorine, phosphorus, and oxygen were almost...