Evolution of kondo resonance from a single impurity molecule to the two-dimensional lattice

Noriyuki Tsukahara, Susumu Shiraki, Saika Itou, Naoka Ohta, Noriaki Takagi, Maki Kawai

Research output: Contribution to journalArticlepeer-review

107 Citations (Scopus)

Abstract

The successive spectral evolution of the Kondo resonance state was investigated from a single iron(II) phthalocyanine molecule to the two-dimensional lattice on Au(111) by interrogating the individual molecules with a scanning tunneling microscope. A sharp Kondo peak appears in the single-impurity regime, which broadens and splits as the lattice builds up. The origin of spectral evolution together with the electronic ground state of the lattice are discussed based on the competition of the Kondo effect and Rudermann-Kittel-Kasuya-Yosida coupling between the molecular spins.

Original languageEnglish
Article number187201
JournalPhysical review letters
Volume106
Issue number18
DOIs
Publication statusPublished - 2011 May 3

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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