Department of Mineralogy, Petrography and Geochemistry, AGH-University of Science and Technology, Cracow, Poland.
J Synchrotron Radiat. 2010 Mar;17(2):207-14. doi: 10.1107/S0909049509048705. Epub 2010 Feb 2.
A number of compounds of the pyromorphite-mimetite solid solution series were synthesized at room temperature and analyzed with infrared spectroscopy and powder X-ray diffraction. High-resolution high-quality powder diffraction data were obtained by means of the state-of-the-art instrument at the 11-BM beamline of the Advanced Photon Source at Argonne National Laboratory, Argonne, IL, USA. The unit-cell dimensions, atomic position and atomic displacement parameters, as well as site occupancy for analyzed phases, were refined by the Rietveld method and reported herein for the first time. The results of this study indicate that the pyromorphite-mimetite series is continuous in near-Earth-surface environments. Detailed structural changes caused by P(5+)-As(5+) substitutions in minerals from the pyromorphite-mimetite solid solution series are reported.
在室温下合成了一系列磷氯铅矿-砷铅矿固溶体的化合物，并通过红外光谱和粉末 X 射线衍射进行了分析。在美国伊利诺伊州阿贡国家实验室的先进光子源 11-BM 光束线上的最先进仪器获得了高分辨率、高质量的粉末衍射数据。通过 Rietveld 方法对晶胞尺寸、原子位置和原子位移参数以及分析相的占位情况进行了细化，并在此首次进行了报道。本研究结果表明，在近地表面环境中，磷氯铅矿-砷铅矿系列是连续的。报道了磷氯铅矿-砷铅矿固溶体系列矿物中 P(5+)-As(5+)取代所引起的详细结构变化。
