What is it about?
Mixed-dimensional vdW heterostructures, in which two-dimensional (2D) layered materials and three-dimensional (3D) functional components are physically assembled through weak vdW interactions without the limitations of lattice matching and processing compatibility, have attracted considerable interest for both fundamental condensed matter physics and potential applications in modern electronics and optoelectronics.
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Why is it important?
Van der Waals (vdW) integration of two-dimensional (2D) and three-dimensional (3D) functional materials together with pristine vdW interfaces is essential for creating functional devices and has long been a pursuit of condensed matter physics and materials science community. Herein, we integrated a 2D 2H-MoS2 with 3D phase-change VO2 to form a mixed-dimensional vdW heterostructure. Dynamic and reversible strain coupling across the vdW heterointerface between them is firstly reported in such a system.
Perspectives
This work sheds light on a promising route for dynamic strain control of mechanical properties and electron–phonon interaction of 2D materials for designable electronic and photoelectronic devices.
Dr. Prof. Yuanjun Yang
Hefei University of Technology
Read the Original
This page is a summary of: Dynamic strain coupling driven by structural phase transition in mixed-dimensional 2H-MoS2/VO2 van der Waals heterointerfaces, Applied Physics Letters, April 2024, American Institute of Physics,
DOI: 10.1063/5.0207772.
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