Franckeite as a naturally occurring van der Waals heterostructure

Aday J. Molina-Mendoza, Emerson Giovanelli, Wendel S. Paz, Miguel Angel Niño, Joshua O. Island, Charalambos Evangeli, Lucía Aballe, Michael Foerster, Herre S. J. van der Zant, Gabino Rubio-Bollinger, Nicolás Agraït, J. J. Palacios (), Emilio M. Pérez () and Andres Castellanos-Gomez ()
Additional contact information
Aday J. Molina-Mendoza: Universidad Autónoma de Madrid, Campus de Cantoblanco
Emerson Giovanelli: Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Campus de Cantoblanco
Wendel S. Paz: Universidad Autónoma de Madrid, Campus de Cantoblanco
Miguel Angel Niño: Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Campus de Cantoblanco
Joshua O. Island: Kavli Institute of Nanoscience, Delft University of Technology
Charalambos Evangeli: Universidad Autónoma de Madrid, Campus de Cantoblanco
Lucía Aballe: ALBA Synchrotron Light Facility
Michael Foerster: ALBA Synchrotron Light Facility
Herre S. J. van der Zant: Kavli Institute of Nanoscience, Delft University of Technology
Gabino Rubio-Bollinger: Universidad Autónoma de Madrid, Campus de Cantoblanco
Nicolás Agraït: Universidad Autónoma de Madrid, Campus de Cantoblanco
J. J. Palacios: Universidad Autónoma de Madrid, Campus de Cantoblanco
Emilio M. Pérez: Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Campus de Cantoblanco
Andres Castellanos-Gomez: Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Campus de Cantoblanco

Nature Communications, 2017, vol. 8, issue 1, 1-9

Abstract: Abstract The fabrication of van der Waals heterostructures, artificial materials assembled by individual stacking of 2D layers, is among the most promising directions in 2D materials research. Until now, the most widespread approach to stack 2D layers relies on deterministic placement methods, which are cumbersome and tend to suffer from poor control over the lattice orientations and the presence of unwanted interlayer adsorbates. Here, we present a different approach to fabricate ultrathin heterostructures by exfoliation of bulk franckeite which is a naturally occurring and air stable van der Waals heterostructure (composed of alternating SnS2-like and PbS-like layers stacked on top of each other). Presenting both an attractive narrow bandgap (

Date: 2017
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DOI: 10.1038/ncomms14409

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