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We study the effects of ions on the reorientation dynamics of liquid water with polarization-resolved femtosecond mid-infared spectroscopy. We probe the anisotropy of the excitation of the O-D stretch vibration of HDO molecules in solutions…

Chemical Physics · Physics 2013-07-24 Sietse T. van der Post , Stefan Scheidelaar , Huib J. Bakker

Photoionization from atom-C60 hybrid levels in halogen endufullerene molecules, Cl@C60, Br@C60 and I@C60, are calculated using a linear response density functional method. Both the ordinary electron-configuration where the open shell…

Atomic and Molecular Clusters · Physics 2021-06-08 Dakota Shields , Ruma De , Esam Ali , Mohamed E Madjet , Steven T Manson , Himadri S. Chakraborty

We have studied hydrogen/lithium complexes in crystalline silicon using density-functional-theory methods and the ab initio random structure searching (AIRSS) method for predicting structures. A method based on the Maxwell construction and…

Materials Science · Physics 2012-01-25 Andrew J. Morris , C. P. Grey , R. J. Needs , Chris J. Pickard

The conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) is one of the most researched materials. The 1980s bipolaron model remains the dominant interpretation of the electronic structure of PEDOT. Recent theoretical studies have…

Materials Science · Physics 2024-05-01 Ben Craig , Peter Townsend , Carlos Ponce de Leon , Chris Kriton-Skylaris , Denis Kramer

The stability and bonding of the ternary complex K$_2$PtCl$_6$ structure hydrides is discussed using first principles density functional calculations. The cohesion is dominated by ionic contributions, but ligand field effects are important,…

Materials Science · Physics 2009-11-10 S. V. Halilov , D. J. Singh , M. Gupta , R. Gupta

A subsystem approach for obtaining electron binding energies in the valence region and apply it to the case of halide ions (X$^-$, X = F-At) in water. This approach is based on electronic structure calculations combining the relativistic…

In this study, we employ density functional theory (DFT) to investigate the structural and electronic properties B$_8$Cu$_3^-$ clusters -- boron-based frameworks doped with three copper atoms. The results indicate that the lowest-energy…

Materials Science · Physics 2025-05-22 P. L. Rodríguez-Kessler

The structural stability, electronic properties and NH$_3$ adsorption properties of pristine, Ti, Zr and F substituted $\alpha$-MoO$_3$ nanostructures are successfully studied using density functional theory with B3LYP/LanL2DZ basis set.…

Mesoscale and Nanoscale Physics · Physics 2017-06-23 V. Nagarajan , R. Chandiramouli

To pursuit high electrochemical performance of supercapacitors based on Faradaic charge-transfer with redox reaction or absorption/desorption effect, the intercalation efficiency of electrolyte ions into electrode materials is a crucial…

Materials Science · Physics 2017-06-27 Shuang Zhou , Huimin Gao , Cheng Zhang , Jie Yang , Shaolong Tang , Qingyu Xu , Shuai Dong

We study the distribution of hydrogen and various hydride configurations in realistic models of a-Si:H for two different concentration generated via experimentally constrained molecular relaxation approach (ECMR) [1]. The microstructure…

Materials Science · Physics 2015-05-14 Rajendra Timilsina , Parthapratim Biswas

The microscopic knowledge of the structural, energetic, and electronic properties of scandium fluoride is still incomplete, despite the relevance of this material as an intermediate for the manufacturing of Al-Sc alloys. In a work based on…

Compositionally tunable vanadium oxyhydrides Sr2VO4-xHx (x = 0 - 1) without considerable anion vacancy were synthesized by high-pressure solid state reaction. The crystal structures and their properties were characterized by powder neutron…

Hydrogen adsorption on graphene-supported metal clusters has brought much controversy due to the complex nature of the bonding between hydrogen and metal clusters. The bond types of hydrogen and graphene-supported Ti clusters are…

Alkali halides $MX$, have been viewed as typical ionic compounds, characterized by 1:1 ratio necessary for charge balance between M$^+$ and X$^-$. It was proposed that group I elements like Cs can be oxidized further under high pressure.…

Materials Science · Physics 2019-01-03 Qiang Zhu , Artem R. Oganov , Qingfeng Zeng

This study aims to design a series of non-fullerene acceptors (NFAs) for photovoltaic applications having 2,3-quinoxalinedione,1,4-dihydro fused thiophene derivative as the core unit and 1,1-dicyanomethylene-3-indanone (IC) derivatives and…

Materials Science · Physics 2023-01-11 Labanya Bhattacharya , Alex Brown , Sagar Sharma , Sridhar Sahu

We report the co-assembly and adsorption properties of coacervate complexes made from polyelectrolyte-neutral block copolymers and oppositely charged nanocolloids. The nanocolloids put under scrutiny were ionic surfactant micelles and…

This study focuses on the interaction of colloidal silica nanoparticles with the magnetite (Fe3O4) magnetic fluids (MF), which eventually forms nanorod like structure. The aqueous magnetic fluid consists of magnetite nanoparticles having…

Applied Physics · Physics 2020-08-05 Nidhi Ruparelia , Urveshkumar Soni , Rucha P Desai , Arbinda Ray

A high-throughput screening based on first-principles calculations was performed to search for new ternary inorganic electrides. From the available materials database, we identified three new thermodynamically stable materials…

Materials Science · Physics 2019-02-13 Junjie Wang , Qiang Zhu , Zhenhai Wang , Hideo Hosono

The crystal structures of ANb$_3$Br$_7$S (A = Rb and Cs) have been refined by single crystal X-ray diffraction, and are found to form highly anisotropic materials based on chains of the triangular Nb$_3$ cluster core. The Nb$_3$ cluster…

We performed Se and F-NMR measurements on single crystals of (TMTSF)2FSO3 to characterize the electronic structures of different phases in the Temperature-Pressure phase diagram, determined by precise transport measurements [Jo et al.,…

Strongly Correlated Electrons · Physics 2016-11-23 Hidetaka Satsukawa , Akio Yajima , Ko-ichi Hiraki , Toshihiro Takahashi , Haeyong Kang , Younjung Jo , Woun Kang , Ok-Hee Chung