Výsledky vyhledávání - "Wei-Hu Zhang"

Study on Electronic Structure and Optical Properties of 21R-SiC Polytype

Autor: Fu Chun Zhang, Wei Hu Zhang

Publikováno v: Applied Mechanics and Materials. :2922-2925

The density functional theory based on first-principles plane wave ultrasoft pseudopotential method is adopted to study the electronic structure and the optical linear response function of 21R-SiC. The calculated data include the lattice parameter, t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bcefdb9786ad58b40705df097401b3b
https://doi.org/10.4028/www.scientific.net/amm.602-605.2922

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First-Principles Study on Electronic Structure of 15R-SiC Polytypes

Autor: Hong Wei Cui, Ying Gao, Wei Hu Zhang, Fu Chun Zhang, Xing Xiang Ruan

Publikováno v: Advanced Materials Research. :77-80

To study the geometrical and electronic structure of 15R-SiC polytypes, the lattice parameter, band structure, density of states (DOS) and charge density of 15R-SiC are calculated by using density functional theory based on the plane wave pseudopoten

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::776ce36886c449c8317161f0e9959188
https://doi.org/10.4028/www.scientific.net/amr.971-973.77

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First-Principles Studies on Electronic Structures of ZnO

Autor: Xian Hui Zhong, Xing Xiang Ruan, Fu Chun Zhang, Wei Hu Zhang

Publikováno v: Advanced Materials Research. :444-447

Geometric structure and electronic structure of wurtzite ZnO have been calculated adopting first principle plane wave ultrosoft pseudo potential method based on density functional theory, and band structure, electronic state density, differential cha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5077bc920c76e23c862f2873d01f4112
https://doi.org/10.4028/www.scientific.net/amr.926-930.444

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Studies on the Geometric and Electronic Structures of SiC Polytypes

Autor: Fu Chun Zhang, Wei Hu Zhang, Xian Hui Zhong, Xing Xiang Ruan

Publikováno v: Advanced Materials Research. :234-237

SiC poly-type geometric structure, electronic structure and energy have been subjected to systematic study based on first principle calculation method given in density functional theory. After calculation, the energy results show that 4H-SiC system e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64f31905350d330cccc6c255c4de6c32
https://doi.org/10.4028/www.scientific.net/amr.926-930.234

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The Study of Electronic Structure and Optical Properties of 2H-SiC

Autor: Fu Chun Zhang, Wei Hu Zhang, Xing Xiang Ruan, Hong Wei Cui

Publikováno v: Applied Mechanics and Materials. :535-538

Electronic structure and optical properties of 2H-SiC are calculated by the first-principles calculation based on density functional theory, thus to give out the relation of electronic structure and optical properties of 2H-SiC material in theory. It

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d493daea1a778e25e197e003a98831b5
https://doi.org/10.4028/www.scientific.net/amm.556-562.535

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Study on Density Functional Theory of Zn1-xMgxO Alloy

Autor: Hong Wei Cui, Wei Hu Zhang, Xing Xiang Ruan, Fu Chun Zhang

Publikováno v: Applied Mechanics and Materials. :177-180

Geometric structure and electronic structures of Zn1-xMgxO alloy under different Mg doped concentrations have been investigated by performing the first-principle calculations based on density functional theory under the generalized gradient approxima

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3bf15ea428770a805a2ffda76a8e0da1
https://doi.org/10.4028/www.scientific.net/amm.556-562.177

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First Principles Studies on Structural, Electronic and Optical Properties of SnO2

Autor: Ting Ting Shao, Fu Chun Zhang, Wei Hu Zhang

Publikováno v: Advanced Materials Research. 900:203-208

The structural, electronic, and optical properties of rutile-type SnO2 are studied by plane-wave pseudopotential density functional theory (DFT) with GGA, LDA, B3LYP and PBE0 respectively. The computing results show that the band gap getting from PBE

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a32848d7b0e6c7b9fdf83553aa113ac2
https://doi.org/10.4028/www.scientific.net/amr.900.203

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Study on Electronic Structure of GaN under Pressure

Autor: Wei Hu Zhang, Xing Xiang Ruan, Fu Chun Zhang, Xian Hui Zhong

Publikováno v: Advanced Materials Research. 900:217-221

A detailed theoretical study of electronic structure and optical properties of GaN under pressure was performed by the first-principles calculations of plane wave ultra-soft pseudo-potential method based on the density functional theory (DFT). The re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7c51e98c78421060beea664308bbead
https://doi.org/10.4028/www.scientific.net/amr.900.217

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The Field Emission Characteristics of Titanium-Doped Nano-Diamonds

Autor: Fuchun Zhang, Wei-Hu Zhang, Yanning Yang, Chunxue Zhai, Zhiyong Zhang, Jun-Tang Dong, Wu Zhao

Publikováno v: Chinese Physics Letters. 29:018103

An electrophoresis solution, prepared in a specific ratio of titanium (Ti)-doped nano-diamond, is dispersed by ultrasound and the nano-diamond coating is then deposited on a polished Ti substrate by electrophoresis. After high-temperature vacuum anne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b10e3e9a5158b4507704507a386d9b9c
https://doi.org/10.1088/0256-307x/29/1/018103

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