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5,050 Newest Publications about the topic doping

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Silicon doped boron clusters: how to make stable ribbons?

24-May-2017 | Long Van Duong; M T Nguyen, Physical Chemistry Chemical Physics, 2017

A doping of small boron clusters by silicon atoms leads to formation of stable boron nanoribbon structure. We present an analysis on the geometric and electronic structure, using MOs and electron localization function (ELF) maps, of boron ribbons represented by the dianions B10Si22- and B12Si22-. ...

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A computational study of the electronic properties, ionic conduction, and thermal expansion of Sm1−xAxCoO3 and Sm1−xAxCoO3−x/2 (A = Ba2+, Ca2+, Sr2+, and x = 0.25, 0.5) as intermediate temperature SOFC cathodes

24-May-2017 | Emilia Olsson; Xavier Aparicio-Anglès; Nora H. de Leeuw, Physical Chemistry Chemical Physics, 2017

The substitutional doping of Ca2+, Sr2+, and Ba2+ on the Sm-site in the cubic perovskite SmCoO3 is reported to improve both electronic and ionic conductivities for applications as solid oxide fuel cell (SOFC) cathodes. Hence, in this study we have used density functional theory (DFT) calculations ...

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Gate-controlled heat generation in ZnO nanowire FETs

23-May-2017 | Andrea Pescaglini; Subhajit Biswas; Davide Cammi; Carsten Ronning; Justin D. Holmes; Daniela Iacopino, Physical Chemistry Chemical Physics, 2017

Nanoscale heating production using nanowires has been shown to be particularly attractive for a number of applications including nanostructure growth, localized doping, transparent heating and sensing. However, all proof-of-concept devices proposed so far relied on the use of highly conductive ...

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The structural impact of water sorption on device-quality melanin thin films

23-May-2017 | Andrew J. Clulow; A. Bernardus Mostert; Margarita Sheliakina; Andrew Nelson; Norman Booth; Paul L. Burn; Ian R. Gent ..., Soft Matter, 2017

The melanins are a class of pigmentary bio-macromolecules ubiquitous in the biosphere. They possess an intriguing set of physico-chemical properties and have been shown to exhibit hybrid protonic–electronic electrical conductivity, a feature derived from a process termed chemical self-doping ...

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Hydrothermal synthesis, characterization and enhanced visible-light photocatalytic activity of Co-doped Zn2SnO4 nanoparticles

21-May-2017 | Author(s): Xiaofei Hu, Hongshun Hao, Weihua Guo, Shanshan Jin, Hong Li, Hongman Hou, Gongliang Zhang, ..., Chemical Physics, 2017

Publication date: 20 June 2017 Source:Chemical Physics, Volume 490 Author(s): Xiaofei Hu, Hongshun Hao, Weihua Guo, Shanshan Jin, Hong Li, Hongman Hou, Gongliang Zhang, Shuang Yan, Wenyuan Gao, Guishan Liu Various molar concentrations of Co-doped Zn2SnO4 nanoparticles ...

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Molecules, Vol. 22, Pages 838: The Impact of Halloysite on the Thermo-Mechanical Properties of Polymer Composites

20-May-2017 | Gaaz, Tayser Sumer; Sulong, Abu Bakar; Kadhum, Abdul Amir H.; Al-Amiery, Ahmed A.; Nassir, Mohamed H.; Jaaz, Ahed Hameed, Molecules, 2017

Nanotubular clay minerals, composed of aluminosilicate naturally structured in layers known as halloysite nanotubes (HNTs), have a significant reinforcing impact on polymer matrixes. HNTs have broad applications in biomedical applications, the medicine sector, implant alloys with corrosion ...

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Effects of Optical Dopants and Laser Wavelength on Atom Probe Tomography Analyses of Borosilicate Glasses

19-May-2017 | Xiaonan Lu, Daniel K. Schreiber, James J. Neeway, Joseph V. Ryan, Jincheng Du, Journal of the American Ceramic Society, 2017

Abstract Atom probe tomography (APT) is a novel analytical microscopy method that provides three dimensional elemental mapping with sub‐nanometer spatial resolution and has only recently been applied to insulating glass and ceramic samples. In this paper, we have studied the influence of the ...

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Healing Effect of Controlled Anti‐Electromigration on Conventional and High‐Tc Superconducting Nanowires

19-May-2017 | Xavier D. A. Baumans, Joseph Lombardo, Jérémy Brisbois, Gorky Shaw, Vyacheslav S. Zharinov, Ge He, Heshan Yu, Jie Yu ..., Small, 2017

The electromigration process has the potential capability to move atoms one by one when properly controlled. It is therefore an appealing tool to tune the cross section of monoatomic compounds with ultimate resolution or, in the case of polyatomic compounds, to change the stoichiometry with the ...

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Preservation of Surface Conductivity and Dielectric Loss Tangent in Large‐Scale, Encapsulated Epitaxial Graphene Measured by Noncontact Microwave Cavity Perturbations

19-May-2017 | Albert F. Rigosi, Nicholas R. Glavin, Chieh‐I Liu, Yanfei Yang, Jan Obrzut, Heather M. Hill, Jiuning Hu, Hsin‐Yen Le ..., Small, 2017

Regarding the improvement of current quantized Hall resistance (QHR) standards, one promising avenue is the growth of homogeneous monolayer epitaxial graphene (EG). A clean and simple process is used to produce large, precise areas of EG. Properties like the surface conductivity and dielectric ...

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The effect of B‐doping on the electrical conductivity of polymer‐derived Si(B)OC ceramics

18-May-2017 | Gian Domenico Sorarù, Getnet Kacha, Renzo Campostrini, Andrea Ponzoni, Maurizio Donarelli, Arun Kumar, Gino Mariotto, Journal of the American Ceramic Society, 2017

Abstract In this work the room temperature electrical conductivity of Si(B)OC glasses made via polymer pyrolysis at 1200 and 1400 °C (maximum temperature) and having different amount of boron was measured. When B content is increased from zero (pure SiOC glass) up to B/Si = 0.5 the electrical ...

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