Elemental Topological Insulator with Tunable Fermi Level: Strained<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>α</mml:mi></mml:math>-Sn on InSb(001)Arne Barfuss, J. Schäfer, J. Hugo Dil et al.|Physical Review Letters|2013Cited by 153