Issue 89, 2013

Iron(ii) spin crossover films on Au(111): scanning probe microscopy and photoelectron spectroscopy

Abstract

The growth of films of [H2B(pz)2]Fe(II)(bpy) on Au(111) is characterized from the bilayer film to multilayer film regime. Scanning tunneling microscopy shows a transition from a well-ordered, uniform bilayer film to a poorly-ordered film at larger thicknesses. Previous local tunneling spectroscopy and conductance mapping in bilayer films permit the identification of coexisting molecular spin-states at all temperatures. New ultraviolet photoelectron spectroscopy is consistent with this picture and in agreement with the density of states calculated by density functional theory. In thicker films with a polycrystalline morphology, evidence for a more bulk-like change in spin composition as a function of temperature is obtained by observing the reduction in intensity of Fe 2p core level satellites in X-ray photoelectron spectra.

Graphical abstract: Iron(ii) spin crossover films on Au(111): scanning probe microscopy and photoelectron spectroscopy

Supplementary files

Article information

Article type
Feature Article
Submitted
01 ก.ค. 2556
Accepted
12 ก.ย. 2556
First published
12 ก.ย. 2556

Chem. Commun., 2013,49, 10446-10452

Iron(II) spin crossover films on Au(111): scanning probe microscopy and photoelectron spectroscopy

A. Pronschinske, R. C. Bruce, G. Lewis, Y. Chen, A. Calzolari, M. Buongiorno-Nardelli, D. A. Shultz, W. You and D. B. Dougherty, Chem. Commun., 2013, 49, 10446 DOI: 10.1039/C3CC44904A

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