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The influence of hydrated cation-{\pi} interaction forces on the adsorption and filtration capabilities of graphene-based membrane materials is significant. However, the lack of interaction potential between hydrated Cs+ and graphene limits…

计算物理 · 物理学 2024-12-02 Yangjun Qin , Liuhua Mu , Xiao Wan , Zhicheng Zong , Tianhao Li , Nuo Yang

We present an accurate interatomic potential for graphene, constructed using the Gaussian Approximation Potential (GAP) machine learning methodology. This GAP model obtains a faithful representation of a density functional theory (DFT)…

材料科学 · 物理学 2018-02-14 Patrick Rowe , Gábor Csányi , Dario Alfè , Angelos Michaelides

The development of machine learning interatomic potentials has immensely contributed to the accuracy of simulations of molecules and crystals. However, creating interatomic potentials for magnetic systems that account for both magnetic…

计算物理 · 物理学 2024-04-30 Hongyu Yu , Yang Zhong , Liangliang Hong , Changsong Xu , Wei Ren , Xingao Gong , Hongjun Xiang

Graphene is one of the most researched two dimensional (2D) material due to its unique combination of mechanical, thermal and electrical properties. Special 2D structure of graphene enables it to exhibit a wide range of peculiar material…

计算物理 · 物理学 2023-06-13 Akash Singh , Yumeng Li

The Lennard-Jones potential is widely used to describe the interlayer interactions within layered materials like graphene. However, it is also widely known that this potential strongly underestimates the frictional properties for layered…

材料科学 · 物理学 2015-04-14 Jin-Wu Jiang , Harold S. Park

The computational research that will be presented compares the coherent states of multiple layer graphene versus the coherent states of lithium ions diffused within this multilayer graphene. Unlike the prevailing research on graphene…

介观与纳米尺度物理 · 物理学 2024-05-07 Donald C Boone

Finding an effective and controllable way to create a sizable energy gap in graphene-based systems has been a challenging topic of intensive research. We propose that the hybrid of boron nitride and graphene (h-BNC) at low BN doping serves…

介观与纳米尺度物理 · 物理学 2023-12-01 Chih-Piao Chuu , Wei-En Tseng , Kuan-Hung Liu , Ching-Ming Wei , Mei-Yin Chou

Graphene and its heterostructures exhibit interesting electronic properties and are explored for quantum spin Hall effect(QSHE) and magnetism based device applications. In present work, we propose a heterostructure of graphene encapsulated…

材料科学 · 物理学 2019-10-07 Mohammed Ghadiyali , Sajeev Chacko

Recently, graph neural networks have shown the superiority of modeling the complex topological structures in heterogeneous network-based recommender systems. Due to the diverse interactions among nodes and abundant semantics emerging from…

机器学习 · 计算机科学 2022-08-04 Tiankai Gu , Chaokun Wang , Cheng Wu , Jingcao Xu , Yunkai Lou , Changping Wang , Kai Xu , Can Ye , Yang Song

We introduce an interatomic potential for hexagonal boron nitride (hBN) based on the Gaussian approximation potential (GAP) machine learning methodology. The potential is based on a training set of configurations collected from density…

材料科学 · 物理学 2020-10-06 Fabian L. Thiemann , Patrick Rowe , Erich A. Müller , Angelos Michaelides

The electronic properties graphene nanoflakes (GNFs) with embedded hexagonal boron nitride (hBN) domains are investigated by combined {\it ab initio} density functional theory calculations and machine learning techniques. The energy gaps of…

介观与纳米尺度物理 · 物理学 2018-12-12 G. A. Nemnes , T. L. Mitran , A. Manolescu

We study the radiative heat transfer between multilayer structures made by a periodic repetition of a graphene sheet and a hexagonal boron nitride (hBN) slab. Surface plasmons in a monolayer graphene can couple with a hyperbolic phonon…

光学 · 物理学 2017-07-05 Bo Zhao , Brahim Guizal , Zhuomin M. Zhang , Shanhui Fan , Mauro Antezza

Recently hybridized monolayers consisting of hexagonal boron nitride (h-BN) phases inside graphene layer have been synthesized and shown to be an effective way of opening band gap in graphene monolayers [1]. In this letter, we report an ab…

材料科学 · 物理学 2012-04-27 Qing Peng , Amir R. Zamiri , Wei Ji , Suvranu De

The possibility of designing nanoelectromechanical systems (NEMS) based on relative motion or vibrations of graphene layers is analyzed. Ab initio and empirical calculations of the potential relief of interlayer interaction energy in…

介观与纳米尺度物理 · 物理学 2015-06-05 Irina V. Lebedeva , Andrey A. Knizhnik , Andrey M. Popov , Yurii E. Lozovik , Boris V. Potapkin

Twisted multilayer graphene, characterized by its moir\'e patterns arising from inter-layer rotational misalignment, serves as a rich platform for exploring quantum phenomena. Machine learning interatomic potentials (MLIPs) are a promising…

We present a comparative study of high carrier density transport in mono-, bi-, and trilayer graphene using electric-double-layer transistors to continuously tune the carrier density up to values exceeding 10^{14} cm^{-2}. Whereas in…

介观与纳米尺度物理 · 物理学 2016-07-13 J. T. Ye , M. F. Craciun , M. Koshino , S. Russo , S. Inoue , H. T. Yuan , H. Shimotani , A. F. Morpurgo , Y. Iwasa

We present a novel potential model for calculating the interaction between a molecule and a single graphene sheet. The dispersion/repulsion, induction, dipole-quadrupole, quadrupole-quadrupole interactions between a fluid molecule and a…

介观与纳米尺度物理 · 物理学 2012-09-20 Xiongce Zhao

The mobility of graphene is very high because the quantum Hall effects can be observed even at room temperature. Graphene has the potential of the material for novel devices because of this high mobility. But the energy gap of graphene is…

介观与纳米尺度物理 · 物理学 2010-12-14 Tatsuo Suzuki , Yushi Yokomizo

Mixed-dimensional heterostructures composed of two-dimensional (2D) and three-dimensional (3D) materials are undisputed next-generation materials for engineered devices due to their changeable properties. The present work computationally…

材料科学 · 物理学 2023-07-14 Vidushi Sharma , Dibakar Datta

Rapid development of big data and high-performance computing have encouraged explosive studies of deep learning in geoscience. However, most studies only take single-type data as input, frittering away invaluable multisource, multi-scale…

机器学习 · 计算机科学 2020-05-19 Zhenyu Yuan , Yuxin Jiang , Jingjing Li , Handong Huang
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