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No.4(pp.129-168)

Home > Issues > Volume 8 (2003) > No.4(pp.129-168)

Investigation of the Electronic Structure of Mn12 Molecular Magnet Using Synchrotron Radiation

Journal of Magnetics, Volume 8, Number 4, 31 Dec 2003, Pages 149-152

J.S. Kang*

(Department of Physics, The Catholic University of Korea), J. H Kim(Department of Physics, The Catholic University of Korea), Yoo-Jin Kim(Department of Chemistry, Sungkyunkwan University), Won-Suk Jeon(Department of Chemistry, Sungkyunkwan University), Duk-Young Jung(Department of Chemistry, Sungkyunkwan University), S. W. Han(Department of Physics, Gyeongsang National University), K. H. Kim(Department of Physics, Gyeongsang National University), K. J. Kim(Pohang Acceleraator Laboratory, Pohang University of Science and Technology), B. S. Kim(Pohang Acceleraator Laboratory, Pohang University of Science and Technology), J. H. Shim(Department of Physics, Pohang University of Science and Technology), B. I. Min(Department of Physics, Pohang University of Science and Technology)

Abstract

The electronic structure of Mn12-Ac molecular magnet has been investigated using synchrotron radiation. The valence-band photoemission spectroscopy (PES) measurement reveals that Mn 3d states are located near the top of the valence band. The trend in the measured valence-band PES spectra is found to be consistent with that in the calculated local density of states. The Mn 2p x-ray absorption spectroscopy (XAS) measurement provides evidence for the Mn³⁺ -Mn⁴⁺ mixed-valent states.

Keywords: molecular magnet; Mn12-Ac; photoemission spectroscopy; x-ray absorption spectroscopy

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