On the Ordering of Na$^+$ Ions in Na$_x$CoO$_2$

The influence of electrostatic interactions on the ordering of sodium ions in Na$_x$CoO$_2$ is studied theoretically through Monte-Carlo simulations. For large $x$ small di- or tri-vacancy clusters are stable with respect to isolated Na vacancies. At commensurate fillings these small clusters order...

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Bibliographic Details
Main Authors: Roger, M, Morris, D, Tennant, D, Gutmann, M, Goff, J, Prabhakaran, D, Shannon, N, Lake, B, Boothroyd, A, Coldea, R, Deen, P
Format: Conference item
Published: 2005