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5 papers · 1 filter
Uniform Narrow Excitonic Spectrum in Large-Area Suspended WSe2 Monolayers
Giacomo Mariani, Riccardo Lodo, Keigo Matsuyama +7
Uniformity in the excitonic spectrum is a key requirement for accessing intrinsic excitonic physics in two-dimensional semiconductors; however, in transition-metal dichalcogenide (…
Sub-diffraction-resolved spatial distribution of emitting excitons in STM-induced luminescence of 2D semiconductors via Richardson-Lucy deconvolution
Elysé Laurent, Ricardo Javier Peña Román, Sarah Miller +7
Using scanning tunneling microscopy-induced luminescence (STML), the optical properties of two-dimensional (2D) semiconductors may be investigated at the nanoscale. This is possibl…
Electroluminescence of monolayer WS in a scanning tunneling microscope: the effect of bias polarity on the spectral and angular distribution of the emitted light
Ricardo Javier Peña Román}, Delphine Pommier, Rémi Bretel +12
Inelastic electron tunneling in a scanning tunneling microscope (STM) is used to generate excitons in monolayer tungsten disulfide (WS). Excitonic electroluminescence is measur…
Josephson coupling through one-dimensional ballistic channel in semiconductor-superconductor hybrid quantum point contacts
Hiroshi Irie, Yuichi Harada, Hiroki Sugiyama +1
We study a superconducting quantum point contact made of a narrow InGaAs channel with Nb proximity electrodes. The narrow channel is formed in a gate-fitted con…
Ballistic transport in induced one-dimensional hole systems
O. Klochan, W. R. Clarke, R. Danneau +5
We have fabricated and studied a ballistic one-dimensional p-type quantum wire using an undoped AlGaAs/GaAs heterostructure. The absence of modulation doping eliminates remote ioni…