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相关论文: Dispersion Corrected DFT Study of Pentacene Thin F…

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Here we present a structural study of pentacene (Pn) thin films on vicinal Ag(111) surfaces by He atom diffraction measurements and density functional theory (DFT) calculations supplemented with van der Waals (vdW) interactions. Our He atom…

强关联电子 · 物理学 2012-11-19 E. Mete , I. Demiroglu , E. Albayrak , G. Bracco , S. Ellialtioglu , M. F. Danisman

The structural profiles and electronic properties of pentacene (C$_{22}$H$_{14}$) multilayers on Ag(111) surface has been studied within the density functional theory (DFT) framework. We have performed first-principle total energy…

材料科学 · 物理学 2011-01-06 Ersen Mete , Ilker Demiroglu , M. Fatih Danisman , Sinasi Ellialtioglu

The adsorption of pentacene on Cu(221), Cu(511) and Cu(911) is investigated using density functional theory (DFT) with the self-consistent inclusion of van der Waals (vdW) interactions. Cu(211) is a vicinal of Cu(111) while Cu(511) and…

材料科学 · 物理学 2016-09-21 Jeronimo Matos , Abdelkader Kara

Using first-principles calculations based on density-functional theory (DFT) we investigated the effects of the van der Waals (vdW) interactions on the structural and electronic properties of anthracene and pentacene adsorbed on the Ag(111)…

材料科学 · 物理学 2017-03-16 Juliana M. Morbec , Peter Kratzer

We investigate the atomic and electronic structure of a single layer of pentacene on the Au(111) surface using density functional theory. To find the candidate structures we strain match the pentacene crystal geometry with the Au(111)…

材料科学 · 物理学 2013-08-06 Kurt Stokbro , Søren Smidstrup

The impact of van der Waals interaction on the electronic structure between a pentacene monolayer and a graphite surface was investigated. Upon cooling the monolayer, newly formed dispersive bands, showing the constant final state nature…

The influence of solubilizing substitutional groups on the electronic and optical properties of functionalized pentacene molecules and crystals have been investigated. Density functional theory is used to calculate the electronic and…

材料科学 · 物理学 2013-11-15 Y. Saeed , K. Zhao , N. Singh , R. Li , J. E. Anthony , A. Amassian , U. Schwingenschlögl

Heterostructures composed of pentacene (PEN) molecules and transition metal dichalchogenides (TMDs) are promising materials for small, flexible and lightweight photovoltaic devices and various other optoelectronic applications. The effects…

材料科学 · 物理学 2023-12-21 Edward Black , Juliana Morbec

The van der Waals density functional (vdW-DF) of Dion et al. [Phys. Rev. Lett. 92, 246401 (2004)] is a promising approach for including dispersion in approximate density functional theory exchange-correlation functionals. Indeed, an…

材料科学 · 物理学 2013-01-30 Jiří Klimeš , David R. Bowler , Angelos Michaelides

Van der Waals (vdW) heterostructures, which are produced by the precise assemblies of varieties of two-dimensional (2D) materials, have demonstrated many novel properties and functionalities. Here we report a nano-plasmonic study of vdW…

介观与纳米尺度物理 · 物理学 2023-01-30 Fengrui Hu , Minsung Kim , Y. Zhang , Yilong Luan , Kai-Ming Ho , Yi Shi , Cai-Zhuang Wang , Xinran Wang , Zhe Fei

In this work, we study structural and vibrational properties of multilayer graphene using density-functional theory (DFT) with van der Waals (vdW) functionals. Initially, we analyze how different vdW functionals compare by evaluating the…

介观与纳米尺度物理 · 物理学 2019-11-05 Rafael R. Del Grande , Marcos G. Menezes , Rodrigo B. Capaz

Sparse matter is characterized by regions with low electron density and its understanding calls for methods to accurately calculate both the van der Waals (vdW) interactions and other bonding. Here we present a first-principles density…

材料科学 · 物理学 2010-06-15 Elisa Londero , Elsebeth Schroder

Using first-principles calculations based on density-functional theory, we investigated the adsorption of pentacene molecules on monolayer two-dimensional transition metal dichalcogenides (TMD). We considered the four most popular TMDs,…

材料科学 · 物理学 2023-11-13 E. Black , P. Kratzer , J. M. Morbec

We investigate the van der Waals interactions in solid molecular hydrogen structures. We calculate enthalpy and the Gibbs free energy to obtain zero and finite temperature phase diagrams, respectively. We employ density functional theory…

材料科学 · 物理学 2019-05-10 Sam Azadi , Graeme J. Ackland

Recently, the successful synthesis of the pentagonal form of PdTe$_{2}$ monolayer (\emph{p}-PdTe$_{2}$) was reported [Liu~\emph{et al.}, Nature Materials \textbf{23}, 1339 (2024)]. In this work, we present an extensive first-principles…

材料科学 · 物理学 2025-01-07 Poonam Sharma , Vaishali Roondhe , Alok Shukla

We present a Density Functional Theory (DFT) study of the structural and electronic properties of bare rutile VO$_{2}$(110) surfaces and its oxygen-rich terminations. We discuss the performance of various DFT functionals, including PBE,…

材料科学 · 物理学 2021-08-31 Jakub Planer , Florian Mittendorfer , Josef Redinger

Stacked van der Waals heterostructures based on transition metal dichalcogenides (TMDs) exhibit a rich variety of exotic interfacial phenomena. Substituting one component with an organic semiconductor (OSC) enables the design of hybrid…

In the field of molecular electronics thin films of molecules adsorbed on insulating surfaces are used as the functional building blocks of electronic devices. A control of the structural and electronic properties of the thin films is…

The charge-carrier transport properties of ultrathin metallic films are analysed with ab-initio methods using the density functional theory (DFT) on free-standing single crystalline slabs in the thickness range between 1 and 8 monolayers…

材料科学 · 物理学 2007-05-23 I. Vilfan , H. Pfnuer

We present density functional theory calculations of the geometry, adsorption energy and electronic structure of thiophene adsorbed on Cu(111), Cu(110) and Cu(100) surfaces. Our calculations employ dispersion corrections and self-consistent…

材料科学 · 物理学 2014-05-14 Zhi-Xin Hu , Haiping Lan , Wei Ji
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