Unveiling Metal-Cage Hybrid States in a Single Endohedral Metallofullerene

Kedong Wang, Jin Zhao, Shangfeng Yang, Lan Chen, Qunxiang Li, Bing Wang, Shihe Yang, Jinlong Yang, J. G. Hou, and Qingshi Zhu

Phys. Rev. Lett. 91, 185504 – Published 31 October 2003

Abstract

The local structural and electronic properties of individual metallofullerenes are studied using scanning tunneling microscopy, scanning tunneling spectroscopy, and theoretical simulations. The energy-resolved metal-cage hybrid states of a single endohedral metallofullerene $D y @ C_{82}$ isomer I have been spatially mapped, supporting a complex picture consisting of the orbital hybridization and charge transfer for the interaction between the cage and the metal atom. The relative position of the encapsulated Dy atom inside the cage and the molecular orientation on the surface have been inferred by comparing the experimental results with theoretical simulations. The combined technique provides promising applications in the fields of in situ characterization and diagnostics of metallofullerene-based nanodevices.

Received 14 July 2003

DOI:https://doi.org/10.1103/PhysRevLett.91.185504

Authors & Affiliations

Kedong Wang¹, Jin Zhao¹, Shangfeng Yang², Lan Chen¹, Qunxiang Li¹, Bing Wang¹, Shihe Yang², Jinlong Yang^1,*, J. G. Hou^1,*, and Qingshi Zhu¹

¹Structure Research Laboratory and Laboratory of Bond Selective Chemistry, University of Science and Technology of China, Hefei 230026, People’s Republic of China
²Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China

^*Author to whom correspondence should be addressed. Electronic address: jghou@ustc.edu.cn & jlyang@ustc.edu.cn

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Issue

Vol. 91, Iss. 18 — 31 October 2003

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