Investigation of the fermi edge in sodium tungsten bronzes by photoelectron spectroscopy |
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Authors: | RG Egdell MD Hill |
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Institution: | Inorganic Chemistry Laboratory, Oxford OX1 3QR, UK |
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Abstract: | High-resolution photoelectron spectra of sodium tungsten bronzes Na xWO3 (0.26<x< 0.76) reveal a linear variation in the density of states at the Fermi energy as a function of sodium content. This behaviour does not appear to arise from filling of a rigid conduction band. Magnetic susceptibilities calculated from photoemission data using a simple independent-electron model agree with measured values. |
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