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Layered two-dimensional (2D) materials exhibit unique properties, expanding opportunities in material design. We investigate MX$_2$ transition metal dichalcogenides (TMDCs) (M = Mo, W; X = S, Se, Te) in homo- and heterobilayers with…

材料科学 · 物理学 2025-03-13 Yu-Hsiu Lin , William P. Comaskey , Jose L. Mendoza-Cortes

Silicene is an intriguing silicon allotrope with a honeycomb lattice structure similar to graphene with slightly buckled geometry. Molybdenum disulfide (MoS2), on the other hand, is a significant 2D transition metal dichalcogenide that has…

材料科学 · 物理学 2024-06-18 Bishwajit Kar , Plabon Paul , Md Arshadur Rahman , Mohammad Jane Alam Khan

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,…

材料科学 · 物理学 2022-06-15 Cheng-Hsien Yang , Shu-Tong Chang

Two-dimensional transition metal dichalcogenides (MX2)/metal oxide heterostructures have shown unique physical properties, making them promising materials for various applications ranging from photocatalysis to solar energy conversion.…

材料科学 · 物理学 2016-12-05 Ke Yang , Wei-Qing Huang , Wangyu Hu , Gui-Fang Huang , Shuangchun Wen

MXenes are rapidly emerging two-dimensional (2D) materials with thickness, composition, and functionalization-dependent outstanding properties having applications in diverse fields. To disclose nano-spintronic applications of 2D-double…

Recently, two-dimensional (2D) transition metal carbides and nitrides, namely, MXenes have attracted lots of attention for electronic and energy storage applications. Due to a large spin-orbit coupling (SOC) and the existence of a…

介观与纳米尺度物理 · 物理学 2017-11-15 Yunye Liang , Mohammad Khazaei , Ahmad Ranjbar , Masao Arai , Seiji Yunoki , Yoshiyuki Kawazoe , Hongming Weng , Zhong Fang

The transition metal carbides (namely MXenes) and their functionalized derivatives exhibit various physical and chemical characteristics and offer many potential applications in electronic devices and sensors. Using density functional…

介观与纳米尺度物理 · 物理学 2020-03-06 Jiaqi Zhou , Mohammad Khazaei , Ahmad Ranjbar , Vei Wang , Thomas D. Kühne , Kaoru Ohno , Yoshiyuki Kawazoe , Yunye Liang

Thermoelectricity is a next-generation solution for efficient waste heat management. Although various thermoelectric materials exist, there is still a lot of scope for advancement, especially in room temperature applications. Recently,…

材料科学 · 物理学 2023-08-10 Subrahmanyam Bandaru , Agnieszka M. Jastrzębska , Magdalena Birowska

Janus MXenes, a new category of two-dimensional (2D) materials, shows promising potential for advances in optoelectronics, spintronics and nanoelectronics. Our theoretical investigations not only provide interesting insights but also…

材料科学 · 物理学 2024-01-12 Swetarekha Ram , Namitha Anna Koshi , Seung-Cheol Lee , Satadeep Bhattacharjee

As emerging atomically ultrathin metal compounds, MXenes show great promise for catalysts and nanoelectronics applications due to the abundant surface terminations and high metallic conductivity. However, the tendency of the interlayer…

材料科学 · 物理学 2022-10-18 Qiye Guan , Hejin Yan , Yongqing Cai

Two-dimensional (2D) transition-metal dichalcogenide (TMD) MX$_2$ (M = Mo, W; X= S, Se, Te) possess unique properties and novel applications. In this work, we perform first-principles calculations on the van der Waals (vdW) stacked MX$_2$…

Emergent phenomena driven by electronic reconstructions in oxide heterostructures have been intensively discussed. However, the role of these phenomena in shaping the electronic properties in van der Waals heterointerfaces has hitherto not…

We have examined the electronic structure evolution in transition metal dichalcogenides MX$_2$, where M=Mo,W and X=S,Se and Te. These are generally referred to as van der Waals heterostructures on the one hand, yet one has band gap changes…

介观与纳米尺度物理 · 物理学 2024-02-02 S. K. Pandey , Ruma Das , Priya Mahadevan

Two-dimensional transition metal carbides and nitrides (MXenes) are an emerging class of atomically-thin superconductors, whose characteristics are highly prone to tailoring by surface functionalization. Here we explore the use of hydrogen…

超导电性 · 物理学 2022-04-11 Jonas Bekaert , Cem Sevik , Milorad V. Milosevic

Graphene/MoS2 heterostructures are formed by combining the nanosheets of graphene and monolayer MoS2. The electronic features of both constituent monolayers are rather well-preserved in the resultant heterostructure due to the weak van der…

材料科学 · 物理学 2020-02-13 Sobhit Singh , Abdulrhman M. Alsharari , Sergio E. Ulloa , Aldo H. Romero

The family of MAX phases and their derivative MXenes are continuously growing in terms of both crystalline and composition varieties. In the last couple of years, several breakthroughs have been achieved that boosted the synthesis of novel…

MXenes are 2D transition metal carbides with high potential for overcoming limitations of conventional two-dimensional electronics. In this context, various MXenes have shown magnetic properties suitable for applications in spintronics, yet…

材料科学 · 物理学 2020-01-08 Shuo Li , Junjie He , Petr Nachtigall , Lukáš Grajciar , Federico Brivio

The chemical bonding in the carbide core and the surface chemistry in a new group of transition-metal carbides Tin+1Cn-Tx (n=1,2) called MXenes have been investigated by surface-sensitive valence band X-ray photoelectron spectroscopy.…

材料科学 · 物理学 2018-03-21 Martin Magnuson , Joseph Halim , Lars-Åke Näslund

With the use of density functional theory calculations and addition of van der Waals correction, the graphene/HfS$_2$ heterojunction is constructed, and its electronic properties are examined thoroughly. This interface is determined as…

材料科学 · 物理学 2020-11-10 S. Karbasizadeh , F. Fanaeiparvar , I. Abdolhosseini Sarsari

Combined diverse two-dimensional (2D) materials for semiconductor interfaces are attractive for electrically controllable carrier confinement to enable excellent electrostatic control. We investigated the transport characteristic in…

介观与纳米尺度物理 · 物理学 2021-03-22 Rahul Tripathi , Pritam Bhattacharyya , Sukanta Nandi , Alok Shukla , Abha Misra