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ELECTRONIC STRUCTURE OF Pd-Y-Si GLASSES

LUO Meiqing CHEN Nianyi Shanghai Institute of Metallurgy , Academia Sinica , Shanghai , ChinaYU Zhizhong Shanghai Institute of Testing Technics , Shanghai , ChianNING Yuantao ZHOU Xinming Kunming Institute of Precious Metals , Kunming , China CHEN Nianyi , Professor , Shanghai Institute of Metallurgy , Academia Sinica , Shanghai 200050 , China

金属学报(英文版)

The electronic structure of Pd-Y-Si glass has been investigated by ESCA and quantum chem- ical calculation.It was found that the valence electrons of Y transferred to Si atoms in this metallic glass,forming polar covalent bonds.Perhaps these strong covalent bonds link Si and Y atoms to form clusters that hinder the process of crystallization.

关键词: Pd-Y-Si glass , null , null , null