Abstract
We study the anisotropic response of highly oriented pyrolytic graphite (HOPG) in mid-infrared range, utilizing the potential of spectroscopic ellipsometry. We aim at the parameters of the infrared-active vibrations of E1u and A2u symmetry, and examine the phenomena related to the strong uniaxial anisotropy of HOPG. We explain the appearance of the weakly polar out-of-plane vibration in the elipsometric spectra taken on cleaved planes. We find a detectable Fano-type behavior of the in-plane phonon. © 2010 Elsevier B.V. All rights reserved.
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Humlíček, J., Nebojsa, A., Munz, F., Miric, M., & Gajic, R. (2011). Infrared ellipsometry of highly oriented pyrolytic graphite. Thin Solid Films, 519(9), 2624–2626. https://doi.org/10.1016/j.tsf.2010.12.091
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