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Understanding charge transport in networks of two-dimensional crystals is essential for developing reliable applications such as chemiresistors or electromagnetic shields. For this purpose, intra- and inter-flake contributions to the…

Mesoscale and Nanoscale Physics · Physics 2025-11-18 Oriane de Leuze , Maxime Berthe , Sophie Hermans , Benoît Hackens

Magnetic 2D materials have achieved significantly consideration owing to their encouraging applications. A variation of these 2D materials by occurrence of defects, by the transition-metal doping or adsorption or by the surface…

Materials Science · Physics 2025-06-27 Zarah Khan , Saleem Ayaz Khan , Ayesha Zaheer , Syed Rizwan

Density-functional-theory (DFT) calculations have been performed on the Li-Si and Li-Ge systems. Lithiated Si and Ge, including their metastable phases, play an important technological r\^ole as Li-ion battery (LIB) anodes. The calculations…

Materials Science · Physics 2015-06-18 Andrew J. Morris , C. P. Grey , C. J Pickard

Many successful battery electrodes are based on 2D-layered materials. We have studied aluminium-ion batteries using molybdenum dichalcogenides: \ce{MoS2}, \ce{MoSe2} and MoSSe as active cathode materials. The batteries showed clear…

Chemical Physics · Physics 2020-04-02 Shalini Divya , James H. Johnston , Thomas Nann

Two-dimensional transition metal carbides and nitrides (MXenes) are a perspective group of materials with a broad palette of applications. Surface terminations are a product of the MXene preparation, and post-processing can also lead to…

Materials Science · Physics 2024-07-18 Barbora Vénosová , František Karlický

We compute from first principles the electronic, vibrational, and transport properties of four known MXenes compound : Ti3C2, Ti3C2F2, Ti3C2(OH)2, and Ti2CF2. We study the effect of different surface terminations and monosheet thickness on…

Materials Science · Physics 2023-05-24 Nesrine Boussadoune , Olivier Nadeau , Gabriel Antonius

Selenium (Se) cathodes are an exciting emerging high energy density storage system for Potassium ion batteries(KIB), where potassiation reactions are less understood. Here, we present an atomic-level investigation of KxSe cathode enclosed…

Applied Physics · Physics 2023-09-11 Vidushi Sharma , Dibakar Datta

Hybrid materials of MXenes (2D carbides and nitrides) and transition-metal oxides (TMOs) have shown great promise in electrical energy storage and 2D heterostructures have been proposed as the next-generation electrode materials to expand…

Materials Science · Physics 2021-07-21 Lihua Xu , Tao Wu , Paul R. C. Kent , De-en Jiang

The class of 2D carbon allotropes has garnered significant attention due to its exceptional optoelectronic and mechanical properties, crucial for diverse device applications, such as energy storage. This study employs density functional…

Materials Science · Physics 2023-11-20 E. J. A. Santos , K. A. L. Lima , L. A. Ribeiro Junior

High degree of fluorination for ether electrolytes has resulted in improved cycling stability of lithium metal batteries (LMBs) due to stable SEI formation and good oxidative stability. However, the sluggish ion transport and environmental…

Materials Science · Physics 2023-06-01 Elizabeth Zhang , Yuelang Chen , Zhiao Yu , Yi Cui , Zhenan Bao

Transition metal carbides/nitrides (MXenes) are a newly developing class of two-dimensional (2D) materials with technically robust properties that can be finely tuned by planar surface functionalization. Herein, the critical role of oxygen…

Materials Science · Physics 2020-08-17 Hongzhi Yu , Ke Xu , Zhisen Zhang , Jian Weng , Jianyang Wu

Transition-metal dichalcogenides (TMDs) are promising for two-dimensional (2D) semiconducting devices and novel phenomena. For 2D applications, their work function, ionization energy, and electron affinity are required as a function of…

Materials Science · Physics 2021-03-16 Han-gyu Kim , Hyoung Joon Choi

Strain effects on the stability, electronic structure, and hydrogen storage capacity of lithium-doped graphane (CHLi) have been investigated by stateof-the art first principle density functional theory (DFT). Molecular dynamics MD)…

Materials Science · Physics 2015-06-05 Tanveer Hussain , Abir De Sarkar , Rajeev Ahuja

We performed density functional theory (DFT) calculations for a bi-layered heterostructure combining a graphene layer with a MoS2 layer with and without intercalated Li atoms. Our calculations demonstrate the importance of the van der Waals…

Materials Science · Physics 2015-02-27 Towfiq Ahmed , N. A. Modine , Jian-Xin Zhu

Lithium--sulfur (Li/S) batteries are regarded as one of the most promising energy storage devices beyond lithium-ion batteries because of their high energy density of 2600 Wh/kg and an affordable cost of sulfur. Meanwhile, some challenges…

Overall, the MoSx system has shown greater catalytic activity over the traditional MoS2 based systems due to the absence of discrete basal plane, and differing structural arrangements. This increases the overall catalytic site density…

Materials Science · Physics 2025-01-28 Lee Kendall , Giovanni Zangari , Stephen McDonnell

A DFT study of the synthesized MAX phase Zr2SeC has been carried out for the first time to explore its physical properties for possible applications in many sectors. The studied properties are compared with prior known MAX phase Zr2SC. The…

Materials Science · Physics 2021-03-16 M. A. Ali , Muhammad Waqas Qureshi

Density functional theory simulations with conventional (PBE) and hybrid (HSE06) functionals were performed to investigate the structural and electronic properties of MXene monolayers, \ce{Ti_{n+1}C_n} and \ce{Ti_{n+1}N_n} ($n$ = 1--9) with…

Materials Science · Physics 2013-07-04 Yu Xie , P. R. C. Kent

Hydrogen storage capacity, stability, bonding mechanism and the electronic structure of polylithiated molecules (OLi2) functionalized graphane (CH) has been studied by means of first principle density functional theory (DFT). Molecular…

Materials Science · Physics 2015-06-05 Tanveer Hussain , Tuhina Adit Maark , Abir De Sarkar , Rajeev Ahuja

The strain effect on electronic structure and thermoelectric properties of Higher Manganese Silicides (HMSs) Mn4Si7 was studied using Density Functional Theory (DFT) and through solving Boltzman Transport Equation (BTE). We found that the…

Materials Science · Physics 2016-09-21 Do Duc Cuong , JinSik Park , S. H. Rhim , Soon Cheol Hong