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Dual topology in jacutingaite <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Pt</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>HgSe</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
Topological phases of electronic systems often coexist in a material, well-known examples being systems which are both strong and weak topological insulators. More recently, a number of materials have been found to have the topological structure of both a weak topological phase and a mirror-protected topological crystalline phase. In this …