Results 61 to 70 of about 915,995 (314)

Essential Electronic Properties of Silicon Nanotubes

Nanomaterials, 2021
In this work, the various electronic properties of silicon nanotubes (SiNTs) were investigated by the density functional theory. The cooperative and competitive relationships between the chiral angle, periodic boundary conditions, and multi-orbital ...
Hsin-Yi Liu, Ming-Fa Lin, Jhao-Ying Wu
doaj   +1 more source

Electronic properties of graphene nanostructures [PDF]

Journal of Physics: Condensed Matter, 2011
In this review, recent developments in the fabrication and understanding of the electronic properties of graphene nanostructures are discussed. After a brief overview of the structure of graphene and the two-dimensional transport properties, the focus is put on graphene constrictions, quantum dots and double quantum dots. For constrictions with a width
Molitor F, Güttinger J, Stampfer C, Dröscher S, Jacobsen A, Ihn T, Ensslin K   +6 more
openaire   +4 more sources

Chameleon sequences reveal structural effects in proteins representing micelle‐like distribution of hydrophobicity

FEBS Open Bio, EarlyView.
Amino acids sequence of two different proteins with the same sequence (chameleon sequence—black boxes) represent in 3D structure of the proteins different secondary structures: HHHH—helical and BBB—Beta‐structural. The chains folded in water environment adopt different III‐order structures in which the chameleon fragments appear to adopt similar status
Irena Roterman, Katarzyna Stapor, Leszek Konieczny, Krzysztof Gądek, Piotr Nowakowski   +4 more
wiley   +1 more source

Site-Specific Electronic Properties of [Ag25(SR)18]- Nanoclusters by X-Ray Spectroscopy

, 2020
We present the site-specific electronic properties of Ag25(SR)18 and Au25(SR)18 using X-ray spectroscopy experiments and quantum simulations. To overcome the final state effect observed in X-ray photoelectron spectroscopy (XPS), a unique method was ...
Andrew, Walsh, Manzhou, Zhu, Ziyi, Chen, xiao, wei, Peng, Zhang   +4 more
core   +1 more source

Electronic Structure Calculations at Macroscopic Scales [PDF]

, 2007
Electronic structure calculations, especially those using density-functional theory have provided many insights into various materials properties in the recent decade.
Gavini, Vikram
core   +1 more source

A Polarization-Insensitive and Highly Sensitive THz Metamaterial Multi-Band Perfect Absorber

Micromachines
In this article, we present a terahertz (THz) metamaterial absorber that blends two types of coordinated materials: Dirac semimetals and vanadium dioxide.
Gang Tao, Qian Zhao, Qianju Song, Zao Yi, Yougen Yi, Qingdong Zeng   +5 more
doaj   +1 more source

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

FEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill, Yelyzaveta Pulnova, Elke De Zitter, Helen M. Ginn, Briony A. Yorke   +4 more
wiley   +1 more source

Tunable Ultra-Wideband VO₂–Graphene Hybrid Metasurface Terahertz Absorption Devices Based on Dual Regulation

Photonics
In this study, a dynamically tunable terahertz device based on a VO2–graphene hybrid metasurface is proposed, which realizes the dual functions of ultra-wideband absorption and efficient transmission through VO2 phase transformation.
Kele Chen, Zhengning Wang, Meizhang Guan, Shubo Cheng, Hongyu Ma, Zao Yi, Boxun Li   +6 more
doaj   +1 more source

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

FEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke, Michal Banasik, Rokas Juodeikis, Martin J. Warren, Richard W. Pickersgill   +4 more
wiley   +1 more source

Electronic properties of sculpturenes

New Journal of Physics, 2014
We investigate the electronic properties of sculpturenes , formed by sculpting selected shapes from bilayer graphene, boron nitride or graphene–boron nitride hetero-bilayers and allowing the shapes to spontaneously reconstruct.
Laith Algharagholy, Thomas Pope, Steven W D Bailey, Colin J Lambert   +3 more
doaj   +1 more source