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arXiv · 1309.5967

Bulk Dirac points in distorted spinels

Julia A. Steinberg·Steve M. Young·Saad Zaheer·C. L. Kane·E. J. Mele·Andrew M. Rappe
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Abstract

We report on a Dirac-like Fermi surface in three-dimensional bulk materials in a distorted spinel structure on the basis of density functional theory (DFT) as well as tight-binding theory. The four examples we provide in this paper are BiZnSiO4, BiCaSiO4, BiMgSiO4, and BiAlInO4. A necessary characteristic of these structures is that they contain a Bi lattice which forms a hierarchy of chain-like substructures, with consequences for both fundamental understanding and materials design.

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Julia A. Steinberg, Steve M. Young, Saad Zaheer, C. L. Kane, E. J. Mele, Andrew M. Rappe. 2013-09-23. Bulk Dirac points in distorted spinels. https://doi.org/10.1103/physrevlett.112.036403

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