English
Related papers

Related papers: Trapping Interlayer Excitons in van der Waals Hete…

200 papers

Interlayer excitons (IXs) in hetero-bilayers of transition metal dichalcogenides (TMDs) represent an exciting emergent class of long-lived dipolar composite bosons in an atomically thin, near-ideal two-dimensional (2D) system. The…

Interlayer excitons (IXs), composed of electron and hole states localized in different layers, excel in bilayers composed of atomically thin van der Waals materials such as semiconducting transition metal dichalcogenides (TMDs) due to…

Mesoscale and Nanoscale Physics · Physics 2024-07-16 Mauro Brotons-Gisbert , Brian D. Gerardot , Alexander W. Holleitner , Ursula Wurstbauer

Indirect excitons (IXs) in van der Waals transition-metal dichalcogenide (TMD) heterostructures are characterized by a high binding energy making them stable at room temperature and giving the opportunity for exploring fundamental phenomena…

Mesoscale and Nanoscale Physics · Physics 2018-05-24 E. V. Calman , M. M. Fogler , L. V. Butov , S. Hu , A. Mishchenko , A. K. Geim

Long lifetimes of spatially indirect excitons (IXs), also known as interlayer excitons, allow implementing both quantum exciton systems and long-range exciton transport. Van der Waals heterostructures (HS) composed of atomically thin layers…

Mesoscale and Nanoscale Physics · Physics 2024-07-09 L. H. Fowler-Gerace , Zhiwen Zhou , E. A. Szwed , D. J. Choksy , L. V. Butov

Novel excitonic phenomena emerging in transition metal dichalcogenide (TMDC) heterostructures belong to the most exciting topics in contemporary physics of van der Waals materials. Interlayer excitons (IXs) stand out among those due to…

Monolayers of transition metal dichalcogenides (TMDCs) feature exceptional optical properties that are dominated by excitons, tightly bound electron-hole pairs. Forming van der Waals heterostructures by deterministically stacking individual…

Long lifetimes of spatially indirect excitons (IXs), also known as interlayer excitons, make possible long-range IX propagation. Van der Waals heterostructures composed of atomically thin layers of transition-metal dichalcogenides (TMDs)…

Mesoscale and Nanoscale Physics · Physics 2022-06-07 L. H. Fowler-Gerace , Zhiwen Zhou , E. A. Szwed , L. V. Butov

Transition metal dichalcogenide (TMD) heterobilayers provide a versatile platform to explore unique excitonic physics via properties of the constituent TMDs and external stimuli. Interlayer excitons (IXs) can form in TMD heterobilayers as…

Mesoscale and Nanoscale Physics · Physics 2023-11-02 Hanlin Fang , Qiaoling Lin , Yi Zhang , Joshua Thompson , Sanshui Xiao , Zhipei Sun , Ermin Malic , Saroj Dash , Witlef Wieczorek

Van der Waals heterostructures constitute a platform for investigating intriguing many-body quantum phenomena. In particular, transition-metal dichalcogenide (TMD) hetero-bilayers host long-lived interlayer excitons which exhibit permanent…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 Daniel Erkensten , Samuel Brem , Raül Perea-Causin , Ermin Malic

Exciton binding energies of hundreds of meV and strong light absorption in the optical frequency range make transition metal dichalcogenides (TMDs) promising for novel optoelectronic nanodevices. In particular, atomically thin TMDs can be…

Mesoscale and Nanoscale Physics · Physics 2018-04-24 Simon Ovesen , Samuel Brem , Christopher Linderälv , Mikael Kuisma , Paul Erhart , Malte Selig , Ermin Malic

Due to a strong Coulomb interaction, excitons dominate the excitation kinetics in 2D materials. While Coulomb-scattering between electrons has been well studied, the interaction of excitons is more challenging and remains to be explored. As…

Materials Science · Physics 2021-01-27 Daniel Erkensten , Samuel Brem , Ermin Malic

Van der Waals heterostructures offer attractive opportunities to design quantum materials. For instance, transition metal dichalcogenides (TMDs) possess three quantum degrees of freedom: spin, valley index, and layer index. Further, twisted…

The self-trapped state (STS) of interlayer exciton (IX) has been aroused enormous interesting owing to their significant impact on the fundamental properties of the van derWaals heterostructures (vdWHs). Nevertheless, the microscopic…

Mesoscale and Nanoscale Physics · Physics 2021-12-17 Jia-Pei Deng , Hong-Juan Li , Xu-Fei Ma , Xiao-Yi Liu , Yu Cui , Xin-Jun Ma , Zhi-Qing Li , Zi-Wu Wang

Long-lived interlayer excitons with distinct spin-valley physics in van der Waals heterostructures based on transition metal dichalcogenides make them promising for information processing in next-generation devices. While the emission…

Mesoscale and Nanoscale Physics · Physics 2021-10-18 Alberto Ciarrocchi , Dmitrii Unuchek , Ahmet Avsar , Kenji Watanabe , Takashi Taniguchi , Andras Kis

We study a capacitor made of three monolayers of transition metal dichalcogenide (TMD) separated by hexagonal Boron Nitride (hBN). We assume that the structure is symmetric with respect to the central layer plane. The symmetry includes the…

Mesoscale and Nanoscale Physics · Physics 2019-04-10 M. Sammon , B. I. Shklovskii

Ensembles of indirect or interlayer excitons (IXs) are intriguing systems to explore classical and quantum phases of interacting bosonic ensembles. IXs are composite bosons that feature enlarged lifetimes due to the reduced overlap of the…

In moir\'e-patterned van der Waals structures of transition metal dichalcogenides, correlated insulators can form under integer and fractional fillings, whose transport properties are governed by various quasiparticle excitations including…

Mesoscale and Nanoscale Physics · Physics 2025-09-04 Zijian Ma , Hongyi Yu

Transition metal dichalcogenide heterobilayers offer attractive opportunities to realize lattices of interacting bosons with several degrees of freedom. Such heterobilayers can feature moir\'e patterns that modulate their electronic band…

Mesoscale and Nanoscale Physics · Physics 2021-08-16 Mauro Brotons-Gisbert , Hyeonjun Baek , Aidan Campbell , Kenji Watanabe , Takashi Taniguchi , Brian D. Gerardot

Indirect excitons (IXs), also known as interlayer excitons, can form the medium for excitonic devices whose operation is based on controlled propagation of excitons. A proof of principle for excitonic devices was demonstrated in GaAs…

Mesoscale and Nanoscale Physics · Physics 2021-10-13 L. H. Fowler-Gerace , D. J. Choksy , L. V. Butov

Exciton transport is fundamental for understanding transport phenomena in bosonic systems and for exploring excitation energy transfer in materials. Spatially indirect excitons (IXs) are composed of electrons and holes in separated layers.…

Mesoscale and Nanoscale Physics · Physics 2025-09-16 Zhiwen Zhou , W. J. Brunner , E. A. Szwed , H. Henstridge , L. H. Fowler-Gerace , L. V. Butov
‹ Prev 1 2 3 10 Next ›