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利用角分辨紫外光电子能谱对低温下（160 K）乙炔（C_2H_2）气体在Ru(10■0)表面的吸附进行了研究.实验结果表明：乙炔的C-C轴并不平行于衬底表面, C-C轴在<0001>晶向和表面法线组成的平面内有一定的倾斜.与气相乙炔分子不同,在Ru(10■0)表面吸附的乙炔分子的C-H轴不是沿C-C轴向.
The adsorption of acetylene (C 2 H 2) gas on the surface of Ru (10 ■ 0) was investigated by using angle-resolved UV-Vis spectroscopy. The experimental results show that the CC axis of acetylene is not parallel to the surface of the substrate, Axis in the <0001> crystal orientation and surface normal composition of the plane has a certain tilt. And vapor acetylene molecules, Ru (10 ■ 0) adsorbed acetylene molecules CH axis is not along the CC axis.