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题名: QtUCP-A program for determining unit-cell parameters in electron diffraction experiments using double-tilt and rotation-tilt holders
作者: Zhao HS;  Wu DQ;  Yao JC;  Chang AM
发表日期: 2008
摘要: A computer program, QtUCP, has been developed based on several well-established algorithms using GCC 4.0 and Qt (R) 4.0 (Open Source Edition) under Debian GNU/Linux 4.0r0. it can determine the unit-cell parameters from an electron diffraction tilt series obtained from both double-tilt and rotation-tilt holders. In this approach, two or more primitive cells of the reciprocal lattice are determined from experimental data, in the meantime, the measurement errors of the tilt angles are checked and minimized. Subsequently, the derived primitive cells are converted into the reduced form and then transformed into the reduced direct primitive cell. Finally all the patterns are indexed and the least-squares refinement is employed to obtain the optimized results of the lattice parameters. Finally, two examples are given to show the application of the program, one is based on the experiment, the other is from the simulation. (C) 2008 Elsevier B.V. All rights reserved.
KOS主题词: Electrons--Diffraction
刊名: ULTRAMICROSCOPY
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Zhao, HS ; Wu, DQ ; Yao, JC ; Chang, AM .QtUCP-A program for determining unit-cell parameters in electron diffraction experiments using double-tilt and rotation-tilt holders ,ULTRAMICROSCOPY,2008 ,108(12): 1540-1545
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