Observation of surface superstructure induced by systematic vacancies in the topological Dirac semimetal Cd3As2
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DOI: 10.1103/physrevb.95.081410
Abstract: The Dirac semimetal phase found in Cd$_{3}$As$_{2}$ is protected by a $C_{4}$ rotational symmetry derived from a corkscrew arrangement of systematic Cd vacancies in its complicated crystal structure. It is therefore surprising that no microscopic… read more here.
Keywords: systematic vacancies; observation surface; surface; dirac semimetal ... See more keywords