GB/T 18907-2002 in English
SUPERSEDEDMethod of selected area electron diffraction for transmission electron microscopes
- Issued on:2002-12-05
- Implemented on:2003-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$185.00
《GB/T 18907-2002透射电子显微镜选区电子衍射分析方法》由TC38(全国微束分析标准化技术委员会)归口,主管部门为国家标准化管理委员会。
本标准规定了用透射电子显微镜对薄晶体试样微米级区域进行选区电子衍射分析的方法。本标准适用于各种金属与非金属晶体薄膜(包括粉末试样与萃取复型试样)的电子衍射分析。可分析的最小试样区直径为1 μm。应用电子衍射谱可以获得试样晶体对称性、点阵常数和布拉菲格式类型等数据。利用已知晶体薄膜的电子衍射谱可以测定透射电子显微镜的衍射常数。被分析试样区直径小于1 μm时,可参照执行。
Scope
This standard specifies the method for the selected area electron diffraction analysis of micron-scale regions of thin crystal samples by transmission electron microscopy. This method is suitable for electron diffraction analysis of various metal and non-metal crystal thin films (including powder samples and extracted replica samples). The smallest sample area that can be analyzed has a diameter of 1 μm. The crystal symmetry, lattice constant and Bravais lattice type data of the sample can be obtained by electron diffraction spectrum. The diffraction constant of the transmission electron microscope can be determined by using the electron diffraction spectrum of the known crystal thin film. When the diameter of the sample area to be analyzed is less than 1 μm, it can be implemented by reference.

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