Destruction of the small Fermi surfaces in NaxCoO2 by disorder |
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| Authors: | Singh D J Kasinathan Deepa |
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| Institution: | Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6032, USA. |
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| Abstract: | We show using density functional calculations that the small e'g Fermi surfaces in NaxCoO2 are destroyed by Na disorder. This provides a means to resolve the prediction of these sections in band structure calculations with their nonobservation in angle resolved photoemission experiments. |
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