What is it about?

The thick (112) oriented Cd3As2 film is a semi-Dirac material whose dispersion is linear (massless) in one direction and is quadratic (massive) in the orthogonal direction. An appropriate electric field can induce a Dirac-nodal-arc state in the semi-Dirac-point system.

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Why is it important?

Our results show that (112) oriented Cd3As2 films are a candidate of a semi-Dirac material, a Dirac-nodal-arc state can be induced in the thick Cd3As2 film. This will explain the highly anisotropic properties of these films from a new perspective, such as anisotropic transmission, magneto-optical absorption and optical conduction.

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This page is a summary of: Semi-Dirac and Dirac-node-arc phases in a (112) oriented Cd3As2 film, Journal of Applied Physics, December 2022, American Institute of Physics,
DOI: 10.1063/5.0127309.
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