Sign and amplitude of charge density waves in 1T-TaS2 and TaSe2 |
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Authors: | G.K. Wertheim F.J. Disalvo S. Chiang |
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Affiliation: | Bell Laboratories, Murray Hill, New Jersey 0794, USA |
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Abstract: | The effect of charge density waves has been observed in X-ray photoelectron spectra of 1T-TaS2 and TaSe2 as a perturbation of the core-electron binding energies. In the commensurate CDW range the Ta 4f levels show a marked splitting; in the quasi-commensurate and incommensurate states they show broadening of magnitude comparable to this splitting. |
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