Department of Materials Science and Engineering, National Chiao Tung University, Hsin-Chu, Taiwan, ROC.
J Colloid Interface Sci. 2012 Mar 1;369(1):129-33. doi: 10.1016/j.jcis.2011.12.053. Epub 2011 Dec 27.
X-ray diffraction studies of face-centered-cubic metallic nanoparticles with different morphologies are discussed based on the experimental data and the calculation of the Debye equation with the truncated and perfect strain models. At least four basic morphologies frequently observed in face-centered-cubic metallic nanoparticles, namely sphere, cube, decahedron, and icosahedron, can be clearly distinguished from their characteristic integrated intensity ratios of the first two X-ray diffraction peaks, that is, (200) to (111).
基于实验数据和使用截断应变模型与理想应变模型对 Debye 方程的计算,我们对不同形貌的面心立方金属纳米粒子的 X 射线衍射研究进行了讨论。在面心立方金属纳米粒子中,至少可以清晰地区分出四种常见的基本形貌,即球体、立方体、十面体和二十面体,其特征在于前两个 X 射线衍射峰的积分强度比,即(200)对(111)。