138 citations · 531 across the 8 of their papers we have counts for
9 papers
Optical signatures of interlayer electron coherence in a bilayer semiconductor
Xiaoling Liu, Nadine Leisgang, Pavel E. Dolgirev +10
Emergent strongly-correlated electronic phenomena in atomically-thin transition metal dichalcogenides are an exciting frontier in condensed matter physics, with examples ranging fr…
Exchange energy of the ferromagnetic electronic ground-state in a monolayer semiconductor
Nadine Leisgang, Dmitry Miserev, Hinrich Mattiat +6
Mobile electrons in the semiconductor monolayer-MoS form a ferromagnetic state at low temperature. The Fermi sea consists of two circles, one at the -point, the other at the…
Capacitively-coupled and inductively-coupled excitons in bilayer MoS
Lukas Sponfeldner, Nadine Leisgang, Shivangi Shree +10
The interaction of intralayer and interlayer excitons is studied in a two-dimensional semiconductor, homobilayer MoS. It is shown that the measured optical susceptibility revea…
Giant Stark splitting of an exciton in bilayer MoS
Nadine Leisgang, Shivangi Shree, Ioannis Paradisanos +10
Transition metal dichalcogenides (TMDs) constitute a versatile platform for atomically thin optoelectronics devices and spin-valley memory applications. In monolayers optical absor…
Controlling interlayer excitons in MoS2 layers grown by chemical vapor deposition
Ioannis Paradisanos, Shivangi Shree, Antony George +9
Combining MoS monolayers to form multilayers allows to access new functionalities. In this work, we examine the correlation between the stacking order and the interlayer coupli…
First-order magnetic phase-transition of mobile electrons in monolayer MoS
Jonas Gaël Roch, Dmitry Miserev, Guillaume Froehlicher +7
Evidence is presented for a first-order magnetic phase transition in a gated two-dimensional semiconductor, monolayer-MoS. The phase boundary separates a spin-polarised (ferrom…
Optical second harmonic generation in encapsulated single-layer InSe
Nadine Leisgang, Jonas G. Roch, Guillaume Froehlicher +4
We report the observation of optical second harmonic generation (SHG) in single-layer indium selenide (InSe). We measure a second harmonic signal of under…
Spin-Polarized Electrons in Monolayer MoS
Jonas G. Roch, Guillaume Froehlicher, Nadine Leisgang +4
The optical susceptibility is a local, minimally-invasive and spin-selective probe of the ground state of a two-dimensional electron gas. We apply this probe to a gated monolayer o…
Quantum confined Stark effect in a MoS monolayer van der Waals heterostructure
Jonas G. Roch, Nadine Leisgang, Guillaume Froehlicher +5
The optics of dangling-bond-free van der Waals heterostructures containing transition metal dichalcogenides are dominated by excitons. A crucial property of a confined exciton is t…