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A detailed first-principle study has been performed to evaluate the electronic and optical properties of single-layer (SL) transition metal dichalcogenides (TMDCs) (MX${}_2$; M= transition metal such as Mo, W and X= S, Se, Te), in the…

Mesoscale and Nanoscale Physics · Physics 2017-07-05 M. A. Khan , Mikhail Erementchouk , Joshua Hendrickson , Michael N. Leuenberger

Substitutionally doped transition metal dichalcogenides (TMDs) are the next step towards realizing TMD-based field effect transistors, sensors, and quantum photonic devices. Here, we report on the influence of Re concentration on charge…

The capacity to manipulate magnetization in two-dimensional dilute magnetic semiconductors (2D-DMSs) using light, specifically in magnetically doped transition metal dichalcogenide (TMD) monolayers (M-doped TX2, where M = V, Fe, Cr; T = W,…

There has been extensive activity exploring the doping of semiconducting two-dimensional (2D) transition metal dichalcogenides in order to tune their electronic and magnetic properties. The outcome of doping depends on various factors,…

Scalable and controlled doping of two-dimensional transition metal dichalcogenides is essential for tuning their electronic and optoelectronic properties. In this work, we demonstrate a robust approach for substitution of vanadium in…

Mesoscale and Nanoscale Physics · Physics 2026-04-09 Abhishek Bajgain , Santu Prasad Jana , Alexander Samokhvalov , Thomas Parker , John Derek Demaree , Ramesh C. Budhani

Density functional theory calculations indicate that the incorporation of V into Ti lattice positions of rutile TiO2 leads to magnetic V4+ species, but the extension and sign of the coupling between dopant moments confirm that ferromagnetic…

Materials Science · Physics 2015-05-28 Ricardo Grau-Crespo , Udo Schwingenschlögl

Semiconducting transition metal dichalcogenides (TMDs) combine strong light-matter interaction with good chemical stability and scalable fabrication techniques, and are thus excellent prospects for optoelectronic, photonic and…

Applied Physics · Physics 2026-01-16 A. Senkić , J. Bajo , A. Supina , B. Radatović , N. Vujičić

Two-dimensional (2D) transition metal di-chalcogenide layers with high electrical conductivity and spin-orbit coupling (SOC) can find huge potential in spintronic devices. With limited success of 2D spin Hall material development, we…

Structural defects in 2D-transition metal dichalcogenides are critical in modulating their optical and electrical behavior. Nevertheless, precise defect control within the monolayer regime poses a significant challenge. Herein, a…

Mesoscale and Nanoscale Physics · Physics 2025-09-30 Anagha Gopinath , Faiha Mujeeb , Subhabrata Dhar , Jyoti Mohanty

The electrical, magnetic, thermal and optical characteristics of Gallium (Ga) doped silicene are investigated using density functional theory (DFT). The effect of doping is studied by tuning dopant concentrations as well as examining varied…

Materials Science · Physics 2022-04-05 Nzar Rauf Abdullah , Botan Jawdat Abdullah , Vidar Gudmundsson

Controlling the crystal phase of two-dimensional (2D) transition metal dichalcogenides (TMDs) is essential for tailoring their optical and electronic properties. While phase transitions in monolayer TMDs and semiconductor-to-metal…

The electrical and optoelectronic properties of transition-metal dichalcogenides (TMDs), such as MoS2, are highly dependent on carrier doping and layer thickness. The ability to selectively control these two critical characteristics is of…

Materials Science · Physics 2023-01-26 Lei Zhang , Kun Liu , Fanyi Kong , Xue Han , Jianxun Dai , Mengmeng Wang , Changsen Sun , Huolin Huang , Lujun Pan , Dawei Li

It has been demonstrated in previous experimental and computational work that doping CeO2 with transition metals is an effective way of tuning its properties. However, each previous study on CeO2 doping has been limited to a single or a few…

Materials Science · Physics 2020-12-14 Zhao Liua , Hongyang Ma , Charles C. Sorrell , Pramod Koshy , Judy N. Hart

Two-dimensional (2D) semiconductors are likely to dominate next-generation electronics due to their advantages in compactness and low power consumption. However, challenges such as high contact resistance and inefficient doping hinder their…

Materials Science · Physics 2024-10-11 Raagya Arora , Ariel R. Barr , Daniel T. Larson , Michele Pizzochero , Efthimios Kaxiras

Tuning the valence state and electronic structure of catalytically active sites is crucial for improving Fenton and Fenton-like reactions, which rely on the efficient activation of the H2O2 molecule. Pure TiO2, however, has inadequate…

Opto-spintronics is an emerging field where ultra-thin magnetic-semiconductors having high spin-valley coupling play an important role. Here, we demonstrate substitutional vanadium (V) doping in MoS$_2$ lattice in different extent, leading…

The application of beta-TaON for solar-driven water splitting is hindered by limitations in phase purity, stoichiometry, crystallinity, visible-light absorption, carrier mobility, and high recombination rates. This study investigates the…

Two dimensional (2D) transition-metal dichalcogenide (TMD) based semiconductors have generated intense recent interest due to their novel optical and electronic properties, and potential for applications. In this work, we characterize the…

Density functional theory calculations are used to show that it is possible to dope semiconducting transition metal dichalcogenides (TMD) such as MoS$_2$ and WS$_2$ with electrons and/or holes either by chemical substitution or by…

Mesoscale and Nanoscale Physics · Physics 2014-09-16 A. Carvalho , A. H. Castro Neto

Superconducting layered transition metal dichalcogenides (TMDs) stand out among other superconductors due to the tunable nature of the superconducting transition, coexistence with other collective electronic excitations (charge density…