Dimensional Crossover and Topological Phase Transition in Dirac Semimetal Na3Bi Films.
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DOI: 10.1021/acsnano.9b04933
Abstract: Three-dimensional (3D) topological Dirac semimetal, when thinned down to 2D few layers, is expected to possess gapped Dirac nodes via quantum confinement effect and concomitantly displays the intriguing quantum spin Hall (QSH) insulator phase. However,… read more here.
Keywords: phase transition; topological phase; dirac semimetal; na3bi films ... See more keywords