The electronic structure and reactivity of the oxygen-modified Mo2C(0 001) surface

Oxygen adsorption on Mo2C(0 0 0 1) has been investigated with angle-resolved photoemission spectroscopy (ARPES). When the surface is reacted with O2, the O 2p-induced states are formed at 4.1 and 5.3 eV at the point. The emissions around the Fermi level are also intensified by oxygen adsorption, whi...

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Published in:	Applied surface science Vol. 254; no. 23; pp. 7622 - 7625
Main Authors:	EDAMOTO, K, NAKADAI, Y, ABE, Y, OZAWA, K
Format:	Conference Proceeding Journal Article
Language:	English
Published:	Amsterdam Elsevier 30-09-2008
Subjects:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Electron and ion emission by liquids and solids; impact phenomena Exact sciences and technology Photoemission and photoelectron spectra Physics Solid surfaces and solid-solid interfaces Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) Water Chemisorption Oxygen Inorganic compounds Angular resolution Low index single crystal surfaces Transition element compounds Photoemission spectroscopy Photoelectron spectroscopy Monocrystals Electronic structure Fermi level Molybdenum carbide Carbides
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Abstract	Oxygen adsorption on Mo2C(0 0 0 1) has been investigated with angle-resolved photoemission spectroscopy (ARPES). When the surface is reacted with O2, the O 2p-induced states are formed at 4.1 and 5.3 eV at the point. The emissions around the Fermi level are also intensified by oxygen adsorption, which is due to the formation of a partially filled state. It is found that the reactivity of the surface toward H2O adsorption is much enhanced by pre-adsorption of oxygen. The reactivity is found to be maximized at thetaO 0.2.
AbstractList	Oxygen adsorption on Mo2C(0 0 0 1) has been investigated with angle-resolved photoemission spectroscopy (ARPES). When the surface is reacted with O2, the O 2p-induced states are formed at 4.1 and 5.3 eV at the point. The emissions around the Fermi level are also intensified by oxygen adsorption, which is due to the formation of a partially filled state. It is found that the reactivity of the surface toward H2O adsorption is much enhanced by pre-adsorption of oxygen. The reactivity is found to be maximized at thetaO 0.2.
Author	EDAMOTO, K ABE, Y OZAWA, K NAKADAI, Y
Author_xml	– sequence: 1 givenname: K surname: EDAMOTO fullname: EDAMOTO, K organization: Department of Chemistry, Rikkyo University, Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan – sequence: 2 givenname: Y surname: NAKADAI fullname: NAKADAI, Y organization: Department of Chemistry, Rikkyo University, Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan – sequence: 3 givenname: Y surname: ABE fullname: ABE, Y organization: Department of Chemistry, Rikkyo University, Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan – sequence: 4 givenname: K surname: OZAWA fullname: OZAWA, K organization: Department of Chemistry and Materials Science, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152-0033, Japan
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Snippet	Oxygen adsorption on Mo2C(0 0 0 1) has been investigated with angle-resolved photoemission spectroscopy (ARPES). When the surface is reacted with O2, the O...
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Title	The electronic structure and reactivity of the oxygen-modified Mo2C(0 001) surface
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