Optical properties of carbon compounds near the K-edge

Andrew Domondon; Yoshinori Iketaki; Koumei Nagai; Yu Sato; Tsutomu Watanabe

doi:10.1541/ieejeiss.127.1340

Optical properties of carbon compounds near the K-edge

Andrew Domondon, Yoshinori Iketaki, Koumei Nagai, Yu Sato, Tsutomu Watanabe

Global Center for Science and Engineering

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

XANES region optical properties of the following four carbon compounds with π* molecular orbitals are investigated: C₆₀, C ₇₀, a carbon nanotube, and graphite. To determine the real and imaginary parts of the optical constants of the above, the atomic-scattering factors of these compounds near the K-edge of carbon are calculated using observed XANES spectra data and the Hartree-Slater method. Anomalous dispersions are observed in the real and imaginary parts of the optical constants near the K-edge. Each of the compounds are found to possess refractive indices that vary sharply with photon energy. In fact, we provide optical data for these four compounds that has not previously been given anywhere else.

Original language	English
Pages (from-to)	1340-1341
Number of pages	2
Journal	IEEJ Transactions on Electronics, Information and Systems
Volume	127
Issue number	9
DOIs	https://doi.org/10.1541/ieejeiss.127.1340
Publication status	Published - 2007 Jan 1

Keywords

Atomic-scattering factor
Carbon K-edge
XANES
π* molecular orbital

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1541/ieejeiss.127.1340

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Domondon, A., Iketaki, Y., Nagai, K., Sato, Y., & Watanabe, T. (2007). Optical properties of carbon compounds near the K-edge. IEEJ Transactions on Electronics, Information and Systems, 127(9), 1340-1341. https://doi.org/10.1541/ieejeiss.127.1340

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abstract = "XANES region optical properties of the following four carbon compounds with π* molecular orbitals are investigated: C60, C 70, a carbon nanotube, and graphite. To determine the real and imaginary parts of the optical constants of the above, the atomic-scattering factors of these compounds near the K-edge of carbon are calculated using observed XANES spectra data and the Hartree-Slater method. Anomalous dispersions are observed in the real and imaginary parts of the optical constants near the K-edge. Each of the compounds are found to possess refractive indices that vary sharply with photon energy. In fact, we provide optical data for these four compounds that has not previously been given anywhere else.",

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AU - Iketaki, Yoshinori

AU - Nagai, Koumei

AU - Sato, Yu

AU - Watanabe, Tsutomu

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AB - XANES region optical properties of the following four carbon compounds with π* molecular orbitals are investigated: C60, C 70, a carbon nanotube, and graphite. To determine the real and imaginary parts of the optical constants of the above, the atomic-scattering factors of these compounds near the K-edge of carbon are calculated using observed XANES spectra data and the Hartree-Slater method. Anomalous dispersions are observed in the real and imaginary parts of the optical constants near the K-edge. Each of the compounds are found to possess refractive indices that vary sharply with photon energy. In fact, we provide optical data for these four compounds that has not previously been given anywhere else.

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