Experimental observation of the significant difference between surface and bulk Kondo processes in Kondo lattice YbCu${}_2$Si${}_2$

in-Zou Zhao, Jiao-Jiao Song, Qi-Yi Wu +11

Synchrotron-based angle-resolved photoemission spectroscopy was employed to investigate the temperature evolution of the Yb 4f spectral for surface and bulk in the Kondo lattice Yb…