Electron transport and neutron diffraction evidence for chemical short-range order in liquid
作者:H S Schnyders、J B Van Zytveld
DOI:10.1088/0953-8984/9/50/006
日期:1997.12.15
negative for ; a negative temperature coefficient is also seen for . We also present the results of an investigation of neutron diffraction scattering from liquid , and the results of a reverse Monte Carlo (RMC) analysis of the structure data, which shows evidence of ordering in the liquid, with characteristics similar to those of crystalline . We discuss several possible explanations for the negative temperature
我们已经测量了 c < 0.4 的液体和合金的电阻率和热电势。在所有合金中,电阻率非常相似,随着 c 的增加平稳而急剧地上升,但始终保持小于 。热电也是无特色和金属的。然而,温度系数 ,在 Cu 合金中显示为(RE = 稀土)的最小值,而且对于 ;还可以看到负温度系数。我们还介绍了液体中子衍射散射的研究结果,以及结构数据的反向蒙特卡罗 (RMC) 分析结果,显示了液体中有序的证据,具有类似于晶体的特征。我们讨论了银和铜合金负温度系数的几种可能解释,