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In the research on metallic glass, there are arguments against the "rigid band charge transfer", model which assumes a charge transfer from metalloid atoms to transition metal atoms to explain the experimental evidence of linear reduction of average atomic magnetic moment with the increasing concentration of metalloid atoms, but they could not explain the experimental relation of the reduction. In the present work, spin-polarized SCC-DV-X_a calculation for atomic clusters for metallic glass Co-B has been empoloyed to investigate the local electronic structure and magnetic property of the metallic glass. As opposed to the "rigid band charge transfer" model, calculation in the present work indicates that charge transfers from Co4s to both B and Co3d. It is found that there is Co3d4s-B2p hybird bonding in Co-B, which leads to the linear reduction of average atomic magnetic moment. Thus the explanation removes the above controversy. 相似文献
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从外推法概念出发,举例论述外推法在物理实验研究中用于测量难以测量的物理量,减小实验系统误差,简化实验方法的应用,以供大家参考. 相似文献
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倪敏 《卫星电视与宽带多媒体》2022,(3):129-130
当前时期培养电视新闻编辑记者策划意识需要遵循创新原则、舆论引导原则、客观原则和变通原则.因为培养电视新闻编辑记者策划意识有利于增强传统电视新闻的感染力、提高电视新闻收视率、丰富电视新闻内容.为此,本文提出了培养电视新闻编辑记者的选题策划意识、将生活和实践结合、创新文字与图片的编排、加入互动环节等方面的创新培养路径,希望... 相似文献
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ICP—AES法中稀土元素间的相互干扰研究 总被引:5,自引:0,他引:5
稀土元素的谱线较复杂,相互间存在着不同程度的干扰。本文着重研究了ICP-AES法中,它们间的干扰情况,并用几种校正方法进行了比较。 相似文献