Ting Cao

TL;DR: In this paper, the authors reported the experimental discovery of intrinsic ferromagnetism in Cr 2 Ge 2 Te 6 atomic layers by scanning magneto-optic Kerr microscopy.

TL;DR: It is shown, using first principles calculations, that monolayer molybdenum disulphide is an ideal material for valleytronics, for which valley polarization is achievable via valley-selective circular dichroism arising from its unique symmetry.

TL;DR: Experimental evidence of a series of excitonic dark states in single-layer WS2 using two-photon excitation spectroscopy is reported, and it is proved that the excitons are of Wannier type, meaning that each exciton wavefunction extends over multiple unit cells, but with extraordinarily large binding energy.

TL;DR: This work demonstrates the evolution of interlayer coupling with twist angles in as-grown molybdenum disulfide bilayers and finds that the indirect bandgap size varies appreciably with the stacking configuration: it shows the largest redshift for AA- and AB-stacked bilayers, and a significantly smaller but constantRedshift for all other twist angles.

TL;DR: The bottom-up synthesis of width-modulated armchair graphene nanoribbon heterostructures, obtained by fusing segments made from two different molecular building blocks are demonstrated, demonstrating molecular-scale bandgap engineering, including type I heterojunction behaviour.