A combined scanning tunneling microscopy/current imaging tunneling spectroscopy study of molecular image contrast of the 8OCB liquid crystal deposited on the HOPG(0001) substrate

• Autorzy: Klusek, Z. , Kozłowski, W.
• Konferencja: Surface and Thin Film Structures' 1999 (7 ; 15-18.09.1999 ; Kazimierz Dolny, Poland)
• Języki publikacji: EN

Abstrakty

EN

We show investigations of the local density of states of the 80CB/HOPG(0001) sample with high topographic and energetic resolution by thr use of current imaging tunnleing spectroscopy technique. The obtained results lead to the conclusion that the high topographical contrast of the 8OCB/HOPG(0001) system can only be achieved at large negative bias voltage of the sample. In this case the biphenyl groups of the 80CB molecules are seen as a bright rings. It is due to the specific shape of the local density of states below the Fermi level.

• Czasopismo: Electron Technology
• Rocznik: 2000
• Tom: Vol. 33, No. 3
• Strony: 350-354
• Opis fizyczny: Bibliogr. 13 poz.

Twórcy

autor

Klusek, Z.

autor

Kozłowski, W.

• Department of Solid State Physics, University of Łódź, ul. Pomorska 149/153, 90-236 Łódź, Poland