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Rigid-layer Raman-active modes in -layer Transition Metal Dichalcogenides: interlayer force constants and hyperspectral Raman imaging
Guillaume Froehlicher, Etienne Lorchat, Olivia Zill +2
We report a comparative study of rigid layer Raman-active modes in -layer transition metal dichalcogenides. Trigonal prismatic (2Hc, such as MoSe, MoTe, WS, WSe)…
Charge versus energy transfer in atomically-thin graphene-transition metal dichalcogenide van der Waals heterostructures
Guillaume Froehlicher, Etienne Lorchat, Stéphane Berciaud
Van der Waals heterostuctures, made from stacks of two-dimensional materials, exhibit unique light-matter interactions and are promising for novel optoelectronic devices. The perfo…
Conductance oscillations in graphene/nanoclusters hybrid material: towards large area single electron devices
Florian Godel, Louis Donald Notemgnou Mouafo, Guillaume Froehlicher +5
Large assemblies of self-organized aluminum nanoclusters embedded in an oxide layer are formed on graphene templates and used to build tunnel-junction devices. Unexpectedly, single…
Quantum interference effects in resonant Raman spectroscopy of single- and triple-layer MoTe from first principles
Henrique P. C. Miranda, Sven Reichardt, Guillaume Froehlicher +3
We present a combined experimental and theoretical study of resonant Raman spectroscopy in single- and triple-layer MoTe. Raman intensities are computed entirely from first pri…
Spin-momentum locked polariton transport in the chiral strong coupling regime
Thibault Chervy, Stefano Azzini, Etienne Lorchat +6
We demonstrate room temperature chiral strong coupling of valley excitons in a transition metal dichalcogenide monolayer with spin-momentum locked surface plasmons. In this regime,…