Structural and quantum-state phase transitions in van der Waals layered materials

نویسندگان

  • Heejun Yang
  • SungWng Kim
  • Manish Chhowalla
  • Young Hee Lee
چکیده

Van derWaals layered transition metal dichalcogenides can exist in many di erent atomic and electronic phases. Such diverse polymorphisms not only provide a route for investigating novel topological states, such as quantum spin Hall insulators, superconductors and Weyl semimetals, but may also have applications in fields ranging from electronic and optical/quantum devices to electrochemical catalysis. And themethods for triggering robust phase transitions between polymorphs are evolving and diversifying—several growth processes, high-pressure/strain methods, and optical, electronic and chemical treatments have been developed. Here, we discuss recent progress on phase transitions and the related physics in layered materials, and demonstrate unique features compared with conventional solid-state materials.

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تاریخ انتشار 2017