Electron-quasiparticle interaction in the melt-spun cubic RECu5 (RE - heavy rare earth)
Electron-quasiparticle interaction in the melt-spun cubic RECu5 (RE - heavy rare earth)
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熔纺立方 RECu5（RE - 重稀土）中的电子-准粒子相互作用
DOI：
10.1002/pssa.200306408
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发表时间：
2003
期刊：
影响因子：
--
通讯作者：
K. Müller
中科院分区：
文献类型：
--
作者：
M. Reiffers;B. Idzikowski;S. Iľkovič;K. Müller
本文比较了用熔体快淬法制备的立方RECu 5（RE = Tb，Dy，Ho，Er和Tm）二元化合物的点接触光谱研究。RECu 5 -Cu异质接触的点接触光谱的光谱制度是成正比的电子准粒子相互作用函数。所有化合物的光谱的共同特征是在18-19 meV处的宽的最大值与电子-声子相互作用有关。所观察到的低能量结构（通常低于12毫电子伏）清楚地表现出晶体电场的起源。
The point contact spectroscopy investigations of cubic RECu 5 (RE = Tb, Dy, Ho, Er and Tm) binary compounds prepared by melt-spinning method have been compared. The measured point-contact spectra of RECu 5 -Cu heterocontacts in a spectroscopic regime are directly proportional to the electron-quasiparticle interaction function. The common feature of spectra of all compounds is the broad maximum at about 18-19 meV connected with the electron-phonon interaction. The observed low energy structures (usually below 12 meV) clearly exhibit the crystalline electric field origin.