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      Inelastic Helium Atom Scattering from Sb2Te3(111): Phonon Dispersion, Focusing Effects and Surfing 

      Ruckhofer, Adrian; Halbritter, Simon; Lund, Henriette E.; Holt, Ann Julie U.; Bianchi, Marco; Bremholm, Martin; Benedek, Giorgio; Hofmann, Philip; Ernst, Wolfgang E.; Tamtoegl, Anton (Royal Society Of Chemistry, 2021-04-07)
      We present an experimental study of inelastic scattering processes on the (111) surface of the topological insulator Sb2Te3 using helium atom scattering. In contrast to other binary topological insulators such as Bi2Se3 ...
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      Proximity Effects on the Charge Density Wave Order and Superconductivity in Single-Layer NbSe2 

      Dreher, Paul; Wan, Wen; Chikina, Alla; Bianchi, Marco; Guo, Haojie; Harsh, Rishav; Mañas-Valero, Samuel; Coronado, Eugenio; Martínez-Galera, Antonio J.; Hofmann, Philip; Miwa, Jill A.; Moreno Ugeda, Miguel (American Chemical Society, 2021-12-28)
      Collective electronic states such as the charge density wave (CDW) order and superconductivity (SC) respond sensitively to external perturbations. Such sensitivity is dramatically enhanced in two dimensions (2D), where 2D ...