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Two-dimensional (2D) transition metal dichalcogenides (TMDs) have recently been shown to demonstrate non-volatile resistive switching (NVRS), offering significant advantages such as high-density integration and low energy consumption due to…

材料科学 · 物理学 2025-07-29 Brian H. Lee , Jameela Fatheema , Deji Akinwande , Wennie Wang

Topotactic transition is a structural phase change in a matrix crystal lattice mediated by the ordered loss/gain and rearrangement of atoms, leading to unusual coordination environments and metal atoms with rare valent states. As early as…

材料科学 · 物理学 2023-05-29 Ziang Meng , Han Yan , Peixin Qin , Xiaorong Zhou , Xiaoning Wang , Hongyu Chen , Li Liu , Zhiqi Liu

The electrocatalytic CO2 reduction reaction (CO2RR) is a complex multi-proton-electron transfer process that generates a vast network of reaction intermediates. Accurate prediction of free energy changes (G) of these intermediates and…

化学物理 · 物理学 2025-04-23 Xuxin Kang , Wenjing Zhou , Ziyuan Li , Zhaoqin Chu , Hanqin Yin , Shan Gao , Aijun Du , Xiangmei Duan

The rational design of transition metal dichalcogenide electrocatalysts for efficiently catalyzing hydrogen evolution reaction (HER) is believed to lead to the generation of a renewable energy carrier. To this end our work has made three…

The metal-insulator transition (MIT) is an exceptional test bed for studying strong electron correlations in two dimensions in the presence of disorder. In the present study, it is found that in contrast to previous experiments on…

Interest in the application of thermoelectric devices for renewable energy has risen over the past decade. In this paper, we calculate the transport properties of various configurations of the transition metal dichalcogenide (TMD) MSe$_2$…

材料科学 · 物理学 2020-02-26 Jonathan Tseng , Xuan Luo

Atomically precise lateral heterojunctions based on transition metal dichalcogenides provide a new platform for exploring exciton Mott transition in one-dimension. To investigate the intrinsically non-equilibrium Mott transition, we…

介观与纳米尺度物理 · 物理学 2021-11-16 Long Yuan , Biyuan Zheng , Qiuchen Zhao , Roman Kempt , Thomas Brumme , Agnieszka Beata Kuc , Chao Ma , Shibin Deng , Anlian Pan , Libai Huang

We investigated the interlayer coupling effect in homobilayer structures of MSi2X4 with M = Mo/W and X = N/P/As. Through the combination of first-principles calculations and analytical formulations, the equilibrium interlayer distance,…

材料科学 · 物理学 2024-10-08 Qian Wang , Na Zhang , Hongyi Yu

As the simplest element in nature, unraveling the phase diagram of hydrogen is a primary task for condensed matter physics. As conjectured many decades ago, in the low-temperature and high-pressure part of the phase diagram, solid hydrogen…

超导电性 · 物理学 2023-11-14 Mehmet Dogan , Sehoon Oh , Marvin L. Cohen

Data for inelastic processes due to hydrogen atom collisions with manganese and titanium are needed for accurate modeling of the corresponding spectra in late-type stars. In this work excitation and charge transfer in low-energy Mn+H and…

太阳与恒星天体物理 · 物理学 2020-05-13 Jon Grumer , Paul S. Barklem

This work presents a detailed experimental investigation of the interaction between molecular hydrogen (H$_2$) and monolayer MoS$_2$ field effect transistors (MoS$_2$ FET), aiming for sensing application. The MoS$_2$ FET exhibits a response…

We present a theoretical study of the electronic transport through single-molecule junctions incorporating a Pt6 metal cluster bound within an organic framework. We show that the insertion of this molecule between a pair of electrodes leads…

介观与纳米尺度物理 · 物理学 2013-02-27 Linda A. Zotti , Edmund Leary , Maria Soriano , Juan Carlos Cuevas , Juan Jose Palacios

This work highlights the potential of earth-abundant mixed-metal oxide catalysts for the acid-based oxygen evolution reaction. These catalysts offer numerous combinations of metal-centre compositions, which can enhance catalytic activity…

应用物理 · 物理学 2023-11-14 Erfan Fatehi , Manish Thadani , Gabriel Birsan , Robert W Black

Light-driven plasmonic enhancement of chemical reactions on metal catalysts is a promising strategy to achieve highly selective and efficient chemical transformations. The study of plasmonic catalyst materials has traditionally focused on…

材料科学 · 物理学 2021-06-16 Oscar A. Douglas-Gallardo , Connor L. Box , Reinhard J. Maurer

Computational methods are fast becoming an integral part of nanoelectronics design process. With increasing computational power, electron transport simulation methods such as Non-equilibrium Greens function (NEGF) methods now hold promise…

材料科学 · 物理学 2021-09-28 A. Ramazani , F. Shayeganfar , V. Sundararaghavan , Nicholas Xuanlai Fang

The pentatellurides, ZrTe5 and HfTe5 are layered compounds with one dimensional transition-metal chains that show a never understood temperature dependent transition in transport properties as well as recently discovered properties…

材料科学 · 物理学 2018-06-06 P. Shahi , D. J. Singh , J. P. Sun , L. X. Zhao , G. F. Chen , J. -Q. Yan , D. G. Mandrus , J. -G. Cheng

Two-dimensional (2D) materials with multifunctional properties, such as negative Poisson's ratio (NPR), magnetism, catalysis, and energy storage capabilities, are of significant interest for advanced applications in flexible electronics,…

介观与纳米尺度物理 · 物理学 2025-01-22 Haidi Wang , Wei Lin , Weiduo Zhu , Zhao Chen , Zhongjun Li , Xiaofeng Liu

Single dopings of Mn and Fe in Si are investigated using 8-, 64-, and 216-atom supercells and a first-principles method based on density functional theory. Between the two transition metal elements (TMEs), atom sizes play an essential role…

材料科学 · 物理学 2015-05-14 Michael Shaughnessy , C. Y. Fong , Ryan Snow , L. H. Yang , X. S. Chen , Z. M. Zhiang

Two-dimensional (2D) heterostructuring is a versatile methodology for designing nanoarchitecture catalytic systems that allow for reconstruction and modulation of interfaces and electronic structures. However, catalysts with such structures…

Two-dimensional (2D) semiconductors have attracted tremendous interests as natural passivation and atomically thin channels that could facilitate continued transistor scaling. However, air-stable 2D semiconductors with high performance were…

介观与纳米尺度物理 · 物理学 2021-11-29 Jun-Sheng Huang , Ping Li , Xiao-Xiong Ren , Zhi-Xin Guo