Manipulating the Kondo resonance through quantum size effects
Manipulating the Kondo resonance through quantum size effects
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通过量子尺寸效应操纵近藤共振
DOI：
10.1103/physrevlett.99.256601
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发表时间：
2007-12-21
影响因子：
8.6
通讯作者：
Xue, Qi-Kun
中科院分区：
文献类型：
--
作者：
Fu, Ying-Shuang;Ji, Shuai-Hua;Xue, Qi-Kun
通过在硅支撑的纳米结构上放置磁性分子，已经实现了通过量子限制来操纵近藤效应。用扫描隧道光谱研究了酞菁锰分子吸附在铅岛顶部的近藤共振。观察到近藤温度随薄膜厚度的振荡，并归因于在主Pb岛中形成厚度依赖的量子阱态。本方法提供了一种技术上可行的方法，通过精确的薄膜厚度控制单自旋操纵。
Manipulating the Kondo effect by quantum confinement has been achieved by placing magnetic molecules on silicon-supported nanostructures. The Kondo resonance of individual manganese phthalocyanine (MnPc) molecules adsorbed on the top of Pb islands was studied by scanning tunneling spectroscopy. Oscillating Kondo temperatures as a function of film thickness were observed and attributed to the formation of the thickness-dependent quantum-well states in the host Pb islands. The present approach provides a technologically feasible way for single spin manipulation by precise thickness control of thin films.