English
Related papers

Related papers: Effective theory of monolayer TMDC double quantum …

200 papers

We study theoretically a double quantum dot hydrogen molecule in the GaAs conduction band as the basic elementary gate for a quantum computer with the electron spins in the dots serving as qubits. Such a two-dot system provides the…

Quantum Physics · Physics 2009-10-31 Xuedong Hu , S. Das Sarma

Two-dimensional (2D) materials are a new type of materials under intense study because of their interesting physical properties and wide range of potential applications from nanoelectronics to sensing and photonics. Monolayers of…

We report low-temperature transport measurements through a double quantum dot device in a configuration where one of the quantum dots is coupled directly to the source and drain electrodes, and a second (side-coupled) quantum dot interacts…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 D. Y. Baines , T. Meunier , D. Mailly , A. D. Wieck , C. Bäuerle , L. Saminadayar , Pablo S. Cornaglia , Gonzalo Usaj , C. A. Balseiro , D. Feinberg

Superconductivity in few-layer semiconducting transition metal dichalcogenides (TMDs) can be induced by field-effect doping through ionic-liquid gating. While several experimental observations have been collected over the years, a…

Superconductivity · Physics 2024-09-24 Thibault Sohier , Marco Gibertini , Ivar Martin , Alberto F. Morpurgo

Manipulation of spin and valley degrees of freedom is a key step towards realizing novel quantum technologies, for which atomically thin transition metal dichalcogenides (TMDCs) have been established as promising candidates. In monolayer…

We report a configuration strategy for improving the thermoelectric (TE) performance of two-dimensional (2D) transition metal dichalcogenide (TMDC) WS2 based on the experimentally prepared WS2/WSe2 lateral superlattice (LS) crystal. On the…

Materials Science · Physics 2022-07-27 Yonglan Hu , Tie Yang , Dengfeng Li , Guangqian Ding , Chaochao Dun , Dandan Wu , Xiaotian Wang

Low-dimensional transition metal dichalcogenides (TMDC) exhibit great photocatalytic performance and tunability. In this work, using first-principles simulations based on density functional theory (DFT), we demonstrate that external…

Materials Science · Physics 2022-10-06 Zhao Liu , Biao Wang , Claudio Cazorla

We present a detailed theoretical investigation on the electronic transport properties of $n$-type monolayer (ML) transition metal dichalcogenides (TMDs) at low temperature in the presence of proximity-induced interactions such as Rashba…

Mesoscale and Nanoscale Physics · Physics 2024-11-05 J. Liu , W. Xu , Y. M. Xiao , L. Ding , H. W. Li , B. Van Duppen , M. V. Milošević , F. M. Peeters

We present a detailed calculation of the linear and nonlinear optical response of four types of monolayer Two-Dimensional (2D) Transition-Metal Dichalcogenides (TMDCs), having the formula $\textrm{MX}_2$ with M=Mo,W and X=S,Se. The…

Mesoscale and Nanoscale Physics · Physics 2018-08-28 Sina Khorasani

Monolayers (ML) of Group-6 transition-metal dichalcogenides (TMDs) are semiconducting two-dimensional materials with direct bandgap, showing promising applications in various fields of science and technology, such as nanoelectronics and…

Computational Physics · Physics 2020-06-24 Mohammad Bahmani , Mahdi Faghihnasiri , Michael Lorke , Agnieszka-Beata Kuc , Thomas Frauenheim

Controlling and understanding electron correlations in quantum matter is one of the most challenging tasks in materials engineering. In the past years a plethora of new puzzling correlated states have been found by carefully stacking and…

Strongly Correlated Electrons · Physics 2024-02-16 Lorenzo Crippa , Hyeonhu Bae , Paul Wunderlich , Igor I. Mazin , Binghai Yan , Giorgio Sangiovanni , Tim Wehling , Roser Valentí

The transition-metal dichalcogenide (TMDC) in the family of $\mathrm{MX}_2$ ($\mathrm{M}=\mathrm{Mo},\mathrm{W}$; $\mathrm{X}=\mathrm{S},\mathrm{Se}$) and the graphene monolayer are atomically thin semiconductors and semimetal,…

Materials Science · Physics 2022-06-15 Cheng-Hsien Yang , Shu-Tong Chang

Monolayers of transition metal dichalcogenides (TMDCs) are atomically thin direct-gap semiconductors with potential applications in nanoelectronics, optoelectronics, and electrochemical sensing. Recent theoretical and experimental efforts…

Mesoscale and Nanoscale Physics · Physics 2013-02-26 Sanfeng Wu , Chunming Huang , Grant Aivazian , Jason S Ross , David H Cobden , Xiaodong Xu

Recently significant progress has been made in $(2+1)$-dimensional conformal field theories without supersymmetry. In particular, it was realized that different Lagrangians may be related by hidden dualities, i.e., seemingly different field…

Strongly Correlated Electrons · Physics 2017-09-27 Yan Qi Qin , Yuan-Yao He , Yi-Zhuang You , Zhong-Yi Lu , Arnab Sen , Anders W. Sandvik , Cenke Xu , Zi Yang Meng

The quasiparticle spectra of atomically thin semiconducting transition metal dichalcogenides (TMDCs) and their response to an ultrafast optical excitation critically depend on interactions with the underlying substrate. Here, we present a…

The thermoelectric properties of a semiconduct quantum dot chain (SQDC) connected to metallic electrodes are theoretically investigated in the Coulomb blockade regime. An extended Hubbard model is employed to simulate the SQDC system…

Mesoscale and Nanoscale Physics · Physics 2013-01-11 David M. -T. Kuo , Yia-Chung Chang

Transition metal dichalcogenides (TMDs) are layered materials that have a semiconducting phase with many advantageous optoelectronic properties, including tightly bound excitons and spin-valley locking. In Tungsten-based TMDs, spin and…

Mesoscale and Nanoscale Physics · Physics 2022-04-27 Saroj B. Chand , John M. Woods , Enrique Mejia , Takashi Taniguchi , Kenji Watanabe , Gabriele Grosso

Achieving low-error, exchange-interaction operations in quantum dots for quantum computing imposes simultaneous requirements on the exchange energy's dependence on applied voltages. A double quantum dot (DQD) qubit, approximated with a…

Strongly Correlated Electrons · Physics 2013-05-29 Erik Nielsen , Ralph W. Young , Richard P. Muller , M. S. Carroll

Monolayer transition metal dichalcogenides (TMDCs), like MoS$_2$, MoSe$_2$, WS$_2$, and WSe$_2$, feature direct bandgaps, strong spin-orbit coupling, and exciton-polariton interactions at the atomic scale, which could be harnessed for…

Transition metal dichalcogenides (TMDs) are layered semiconducting van der Waal crystals and promising materials for a wide range of electronic and optoelectronic devices. Realizing practical electrical and optoelectronic device…

Mesoscale and Nanoscale Physics · Physics 2019-08-05 Hao Lee , S. Deshmukh , Jing Wen , V. Z. Costa , J. S. Schuder , M. Sanchez , A. S. Ichimura , Eric Pop , Bin Wang , A. K. M. Newaz
‹ Prev 1 8 9 10 Next ›