CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Kondo Effect in Self-Assembled Manganese Phthalocyanine Monolayer on Pb Islands |
JI Shuai-Hua1,2, FU Ying-Shuang1,2, ZHANG Tong1,2, CHEN Xi2, JIA Jin-Feng2, XUE Qi-Kun2, MA Xu-Cun1 |
1Institute of Physics, Chinese Academy of Sciences, Beijing 100190 2Department of Physics, Tsinghua University, Beijing 100084 |
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Cite this article: |
JI Shuai-Hua, FU Ying-Shuang, ZHANG Tong et al 2010 Chin. Phys. Lett. 27 087202 |
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Abstract The Kondo effect in two-dimensional manganese phthalocyanine (MnPc) self-assembled monolayer films on Pb(111) islands is studied by low-temperature scanning tunneling microscopy. Variation of the Kondo temperature from 50 K to 300 K at different molecule adsorption sites is revealed. It is shown that the variation is mainly due to the change in the width of d orbital, rather than the shift of its energy. The two-dimensional dI/dV mapping reveals the periodic modulation of the Kondo resonance in the self-assembled MnPc monolayer.
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Keywords:
72.15.Qm
68.37.Ef
68.55.-a
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Received: 06 April 2010
Published: 28 July 2010
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PACS: |
72.15.Qm
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(Scattering mechanisms and Kondo effect)
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68.37.Ef
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(Scanning tunneling microscopy (including chemistry induced with STM))
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68.55.-a
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(Thin film structure and morphology)
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