8 papers
Resonance-Enhanced Four-Wave Mixing Imaging for Mapping Defect Regions in Vanadium-Doped WS2 Monolayers
Felipe Menescal, Frederico B. Sousa Mingzu Liu, Ana P. M. Barboza +8
Defect engineering is crucial for tuning 2D transition metal dichalcogenide properties for quantum and optoelectronic applications. While conventional photoluminescence (PL) and Ra…
Nanoscopy of Excitons in Atomically Thin In-Plane Heterostructures with Nanointerfaces
Mahdi Ghafariasl, Tianyi Zhang, Sampath Gamage +8
Atomically sharp 2D in-plane heterostructures with nanoscale interfaces provide a powerful platform for tailoring optical and electrical properties at the nanoscale, enabling novel…
First principles and scanning tunneling spectroscopical evidences for thermodynamically stable "on-top" sulfur divacancy in monolayer WS
Weiru Chen, John C. Thomas, Yihuang Xiong +10
Chalcogen vacancies in monolayer transition metal dichalcogenides (TMDs), such as WS, play a crucial role in various applications ranging from optoelectronics and catalysis t…
Graphene-driven correlated electronic states in one dimensional defects within WS
Antonio Rossi, John C. Thomas, Johannes T. Küchle +19
Tomonaga-Luttinger liquid (TLL) behavior in one-dimensional systems has been predicted and shown to occur at semiconductor-to-metal transitions within two-dimensional materials. Re…
Interface Magnetism in Vanadium-doped MoS/Graphene Heterostructures
Diem Thi-Xuan Dang, Yen Thi-Hai Pham, Da Zhou +4
Magnetism in two-dimensional materials is of great importance in discovering new physical phenomena and developing new devices at the nanoscale. In this paper, first-principles sim…
Strong magneto-optical responses of an ensemble of defect-bound excitons in ambient exposed WS and WSe monolayers
Frederico B. Sousa, Alessandra Ames, Mingzu Liu +8
Transition metal dichalcogenide (TMD) monolayers present a singular coupling in their spin and valley degrees of freedom. Moreover, by applying an external magnetic field it is pos…