Hydrogen-induced states in VHx and VDx observed by soft X-ray emission spectroscopy |
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| Authors: | Y Fukai S Kazama K Tanaka M Matsumoto |
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| Institution: | Department of Physics, Chuo University, Kasuga, Bunkyo-ku, Tokyo, Japan;Department of Metallurgy, Nagoya Institute of Technology, Showa-ku, Nagoya, Japan |
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| Abstract: | From measurements of soft X-ray emission spectra (V-L3) of VHx and VDx, a gradual change of d-band of V metal with addition of H(D), and an appearance of H(D)-induced states immediately below the d-band, are clearly demonstrated. The states, located at 7 eV below the Fermi energy for all compositions, are interpreted as being bonding states formed by H(D)-1s and V-3d orbitals. No isotope effects were detected within the accuracy of the experiment. |
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