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相关论文: Topological phase singularities in atomically thin…

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Theoretically it has been known that breaking spin-degeneracy and effectively realizing 'spinless fermions' is a promising path to topological superconductors. Yet, topological superconductors are rare to date. Here, we propose to realize…

超导电性 · 物理学 2017-04-13 Yi-Ting Hsu , Abolhassan Vaezi , Mark H Fischer , Eun-Ah Kim

We consider the possibility of topological quantum phase transitions of ultracold fermions in optical lattices, which can be studied as a function of interaction strength or atomic filling factor (density). The phase transitions are…

强关联电子 · 物理学 2008-08-12 R. W. Cherng , C. A. R. Sá de Melo

Transition metal dichalcogenides (TMDs) are two-dimensional (2D) materials with remarkable electrical, optical and chemical properties. One promising strategy to tailor TMD properties of TMDs is to create alloys through dopant-induced…

材料科学 · 物理学 2023-05-24 Mengqi Fang , Eui-Hyeok Yang

Topological photonics has attracted widespread research attention in the past decade due to its fundamental interest and unique manner in controlling light propagation for advanced applications. Paradigmatic approaches have been proposed to…

The structural, electronic, optical and thermodynamic properties of Mo2Ga2C are investigated using density functional theory (DFT) within the generalized gradient approximation (GGA). The optimized crystal structure is obtained and the…

材料科学 · 物理学 2017-04-18 M. A. Ali , M. R. Khatun , N. Jahan , M. M. Hossain

The highly tunable nature of synthetic quantum materials -- both in the solid-state and cold atom contexts -- invites examining which microscopic ingredients aid in the realization of correlated phases of matter such as superconductors.…

The unique electrical and optical properties of emerging two-dimensional transition metal dichal-cogenides (TMDs) present compelling advantages over conventional semiconductors, including Si, Ge, and GaAs. Nevertheless, realising the full…

材料科学 · 物理学 2025-07-23 Yusuf Kerem Bostan , Elanur Hut , Cem Sanga , Nadire Nayir , Ayse Erol , Yue Wang , Fahrettin Sarcan

Starting from graphene, 2D layered materials family has been recently set up more than 100 different materials with variety of different class of materials such as semiconductors, metals, semimetals, superconductors. Among these materials,…

材料科学 · 物理学 2021-09-16 Merve Acar , Emre Gur

Two-dimensional transition metal dichalcogenides are emerging with tremendous potential in many optoelectronic applications due to their strong light-matter interactions. To fully explore their potential in photoconductive detectors, high…

Two-dimensional transition metal dichalcogenides (2D TMDCs) are promising candidates for ultra-thin active nanophotonic elements due to the strong tunable excitonic resonances that dominate their optical response. Here we demonstrate…

光学 · 物理学 2023-04-26 Melissa Li , Claudio U. Hail , Souvik Biswas , Harry A. Atwater

Despite being only a few atoms thick, single-layer two-dimensional (2D) materials display strong electron-photon interactions that could be utilized in efficient light modulators on extreme subwavelength scales. In various applications…

介观与纳米尺度物理 · 物理学 2018-09-21 Sunny Gupta , Sharmila N. Shirodkar , Alex Kutana , Boris I. Yakobson

Semiconducting two-dimensional (2D) transition metal dichalcogenides (TMDs) are emerging as top candidates for post-silicon electronics. While most of 2D TMDs exhibit isotropic behavior, lowering the lattice symmetry could induce…

Low-dimensional organic-inorganic perovskites synergize the virtues of two unique classes of materials featuring intriguing possibilities for next-generation optoelectronics: they offer tailorable building blocks for atomically thin,…

The study of thin films and 2D materials, including transition metal dichalcogenides such as WSe$_2$ offers opportunities to leverage their properties in advanced sensors, quantum technologies, and device to optimize functional performance.…

Transition metal dichalcogenides (TMDCs) combine both strong light-matter-interaction and strong Coulomb-interaction for the formation of optically excitable excitons. Through radiative feedback control, a mechanism to control the linewidth…

材料科学 · 物理学 2024-02-22 Thomas Tenzler , Andreas Knorr , Manuel Katzer

Topological insulators are quantum materials that have an insulating bulk state and a topologically protected metallic surface state with spin and momentum helical locking and a Dirac-like band structure. Unique and fascinating electronic…

光学 · 物理学 2018-11-21 Zengji Yue , Xiaolin Wang , Min Gu

The development of photonic integrated circuits would benefit from a wider selection of materials that can strongly-control near-infrared (NIR) light. Transition metal dichalcogenides (TMDs) have been explored extensively for visible…

介观与纳米尺度物理 · 物理学 2019-10-18 Akshay Singh , Yifei Li , Balint Fodor , Laszlo Makai , Jian Zhou , Haowei Xu , Austin Akey , Ju Li , R. Jaramillo

Van der Waals materials and heterostructures manifesting strongly bound room temperature exciton states exhibit emergent physical phenomena and are of a great promise for optoelectronic applications. Here, we demonstrate that nanostructured…

We study the optical behaviour of an arrangement in which the interface between a linear and non-linear dielectric media is covered by an embedded mono-layer of transition metal dichalcogenides (TMDC). The optical behaviour is qualitatively…

材料科学 · 物理学 2016-06-08 Parijat Sengupta , Shaloo Rakheja , Enrico Bellotti

The evolution of the physical properties of two-dimensional material from monolayer limit to the bulk reveals unique consequences from dimension confinement and provides a distinct tuning knob for applications. Monolayer 1T'-phase…