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Deadline: October 28, 2021, 11:59 pm EDT

Symposium NM02—Reconfiguring the Properties of 2D Materials by Post-Synthesis Design

As materials dominated by their surface, atomically thin two-dimensional (2D) materials cannot be thought of as isolated membranes, but instead as a product of both their intrinsic properties and their local environment. This introduces many post-synthesis knobs to modify the electronic, magnetic, optical, mechanical, superconducting, and topological properties of 2D materials by design. For instance, the ability to stack freestanding films without traditional epitaxial considerations adds new degrees of freedom, which cannot be explored in bulk or as-synthesized materials, like tailoring proximity effects due to neighboring films, tuning correlations through the creation of long-range moire potentials, or creating three-dimensional deformations in 2D sheets. This session will focus on the various methods that have been explored to reconfigure, switch and tune the properties of the 2D materials after synthesis. Examples include: proximity effects (dielectric, superconducting and magnetic); relative twist and dynamical slip between layers including engineering the Moire potential; strain engineering; defect engineering; chemical functionalization; and the creation of transient excited-state phases and phenomena on ultrafast timescales using photons, x-rays and electrons. Additional focus will include exploring applications to generate reconfigurable properties, new quantum materials and systems, multifunctional surfaces, straintronics, twistronics, and stretchable electronics.

Topics will include:

  • Experiment and theory of post-synthesis manipulation/tuning of properties of 2D materials
  • Proximity effects, including proximity-induced 2D magnetism, 2D/1D superconductivity
  • Twistronics, dynamic slip and twist
  • Defect engineering
  • Straintronics and deformation engineering
  • Dielectric and substrate engineering
  • Chemical functionalization, multifunctional surfaces
  • Ultrafast and transient excited-state phenomena in 2D materials
  • A tutorial complementing this symposium is tentatively planned.

Invited Speakers (tentative):

  • Jong-Hyun Ahn (Yonsei University, Republic of Korea)
  • Judy Cha (Yale University, USA)
  • Chitraleema Chakraborty (Harvard University, USA)
  • Yang-Hao Chan (Academia Sinica, Taiwan)
  • Alexey Chernikov (Dresden University of Technology, Germany)
  • Keshav Dani (Okinawa Institute of Science and Technology, Japan)
  • Milan Delor (Columbia University, USA)
  • Goki Eda (National University of Singapore, Singapore)
  • Chang-beom Eom (University of Wisconsin–Madison, USA)
  • Libai Huang (Purdue University, USA)
  • Pinshane Huang (University of Illinois at Urbana-Champaign, USA)
  • Harold Hwang (Stanford University, USA)
  • Felipe Jornada (Stanford University, USA)
  • Frank Koppens (ICFO – The Institute of Photonic Sciences, Spain)
  • Elad Koren (Technion–Israel Institute of Technology, Israel)
  • Gwan-Hyoung Lee (Seoul National University, Republic of Korea)
  • Kin Fai Mak (Cornell University, USA)
  • Abhay Pasupathy (Columbia University, USA)
  • Yuan Ping (University of California, Santa Cruz, USA)
  • Rebecca Ribeiro-Palau (Centre for Nanosciences and Nanotechnology, France)
  • Saverio Russo (University of Exeter, United Kingdom)
  • Jie Shan (Cornell University, USA)
  • Jangyup Son (Korea Institute of Science and Technology, Republic of Korea)
  • Ajit Srivastava (Emory University, USA)
  • William A. Tisdale (Massachusetts Institute of Technology, USA)
  • Sefaattin Tongay (University of Arizona, USA)
  • Bernhard Urbaszek (Institut National des Sciences Appliquées, France)
  • Alexander Weber-Bargioni (Lawrence Berkeley National Laboratory, USA)
  • Tim Wehling (University of Bremen, Germany)

Symposium Organizers

Archana Raja
Lawrence Berkeley National Laboratory
Molecular Foundry
USA

Diana Qiu
Yale University
Department of Mechanical Engineering and Materials Science
USA

Arend van der Zande
University of Illinois at Urbana-Champaign
Mechanical Engineering
USA

Stephen Wu
University of Rochester
Electrical and Computer Engineering, Physics
USA

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