简介概要

Electrical conductivity of Cu-Li alloys

来源期刊:中南大学学报(英文版)2004年第3期

论文作者:朱达川 宋明昭 陈家钊 涂铭旌 潘海滨

文章页码:252 - 254

Key words:Cu-Li alloy; electrical conductivity; valence electron; distribution of electrons

Abstract: The electrical conductivity of Cu-Li alloys was studied. And the distribution of electrons near Fermi surface was detected by synchrotron radiation instrument. The results show that the electrical conductivity of Cu-Li alloys decreases from 5.22×10-9S/m to 3.69×10-9S/m with the increase of Li content. Li can decrease the oxygen, sulfur and other impurities content in commercial Cu, but Li dissolved in Cu lattice leads to distortion of Cu lattice from 0.005%-0.050%, affects the valence band of Cu, increases the binding energy of surface electron, and decreases the electron density of Fermi surface simultaneously. So the electrical conductivity decreases gradually with the increase of Li content.

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