A pressure-induced topological phase with large Berry curvature in Pb 1− x Sn x Te

• DOI: 10.1126/sciadv.1602510
• Publication Date: 2017-09-14T20:21:24Z
• Authors: Tian Liang; Satya Kushwaha; Jinwoong Kim; Quinn Gibson; Jingjing Lin; Nicholas Kioussis; Robert J. Cava; N. Phuan Ong
• Keywords: Condensed Matter - Strongly Correlated Electrons; Condensed Matter - Mesoscale and Nanoscale Physics; Strongly Correlated Electrons (cond-mat.str-el); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); 0103 physical sciences; FOS: Physical sciences; 01 natural sciences; Research Articles

Under pressure, the semiconductor PbSnTe transitions from an insulator to a Weyl metal that displays large Berry curvature.