Synchrotron X-ray diffraction study on a single nanowire of PX-phase lead titanate
作者： Tomoaki Yamada , Jin Wang , Osami Sakata , Cosmin S Sandu , Zhanbing He
DOI: 10.1016/J.JEURCERAMSOC.2010.07.014
关键词: Acicular 、 Nanowire 、 Diffraction 、 Condensed matter physics 、 Scattering 、 Tetragonal crystal system 、 Titanate 、 Synchrotron 、 Lattice constant 、 Crystallography 、 Materials science
摘要: Synchrotron X-ray diffraction (XRD) measurements of Pb-Ti-O fine acicular crystals (nanowires) the so-called PX-phase have been performed. The theta-2 theta patterns nanowires dispersed on substrates with two different geometries indicated that nanowire has [1 1 0] along its short axis and [0 0 1] longitudinal axis. Using a focused micro-X-ray beam, we first demonstrated XRD analysis single Pb-Ti-O. Bragg reflections from same scattering vectors at angles suggested tetragonal unit cell having rather large a-axis lattice constant. (C) 2010 Elsevier Ltd. All rights reserved.
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