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Multidimensional imaging reveals mechanisms controlling multimodal label-free biosensing in vertical 2DM heterostructures

Multidimensional imaging reveals mechanisms controlling multimodal label-free biosensing in vertical 2DM heterostructures

Project Summary: A multi-dimensional optical imaging technique that combines scattering  was developed to map subdiffractional distributions of doping and strain in MoS2 and MoS2/graphene vertical heterostructures.

An integrated quantum material testbed with multi-resolution photoemission spectroscopy

An integrated quantum material testbed with multi-resolution photoemission spectroscopy

Project Summary: Angle-resolved photoemission spectroscopy (ARPES) has been established as a powerful tool to directly reveal electronic band structures of materials and played a critical role in discovering various topological materials such as topological insulators, Dirac semimetals, and Weyl semimetals. Investigations on quantum materials often require the combination of different modalities in photoemission spectroscopy.

Ultrafast optical melting of trimer superstructure in layered 1T′-TaTe2

Ultrafast optical melting of trimer superstructure in layered 1T′-TaTe2

Project Summary: Quasi-two-dimensional transition-metal dichalcogenides are a key platform for exploring emergent nanoscale phenomena arising from complex interactions. Access to the underlying degrees-of-freedom on their natural time scales motivates the use of advanced ultrafast probes sensitive to self-organized atomic-scale patterns.

Tunneling Effects in Crossed Ta2Pt3Se8−Ta2Pd3Se8 Nanowire Junctions: Implications for Anisotropic Photodetectors

Tunneling Effects in Crossed Ta2Pt3Se8−Ta2Pd3Se8 Nanowire Junctions: Implications for Anisotropic Photodetectors

Project Summary: Transition metal dichalcogenides (TMDCs) with van der Waals gaps (vdW) have been a subject under extensive studies, since 2D thin layers of these materials exhibit a plethora of technologically useful properties, e.g. large direct band gap and high