Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Yanxing Song"'
Publikováno v:
IUCrJ, Vol 10, Iss 4, Pp 464-474 (2023)
A total of 87 new monoclinic silicon allotropes are systematically scanned by a random strategy combined with group and graph theory and high-throughput calculations. The new allotropes include 13 with a direct or quasi-direct band gap and 12 with me
Externí odkaz:
https://doaj.org/article/ff8f8e3bcb6848d4a069394dfb93cc9c
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 4244-4257 (2023)
The graph and group theory based random strategy (RG2) code is employed to obtain three stable Al2O3 polymorphs (P21/c, Pnma-I, and Pnma-II Al2O3) are obtained based on high-throughput screening and density functional theory. The three Al2O3 polymorp
Externí odkaz:
https://doaj.org/article/36062ce8fc9f4e5d8d7b42607074c516
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 12, Pp 104377- (2022)
It is a significant issue in the field of semiconductor devices and optoelectronic devices to find silicon allotropes with high mobility, direct band gap and high light absorption to replace traditional diamond silicon (d-Si). By constructing a zeoli
Externí odkaz:
https://doaj.org/article/4878ad73745942929075365224bb1e8c
Publikováno v:
IEEE Access, Vol 9, Pp 68054-68065 (2021)
Apple quality classification is an important means to refine apple sales market and promote apple sales. At present, most of classification methods based on a convolutional neural network (CNN) depend on the quantity of training samples to get good p
Externí odkaz:
https://doaj.org/article/c0f2e088c4fa42ab88bcb829ff92592e
Publikováno v:
Micromachines, Vol 14, Iss 3, p 600 (2023)
The anti-ESD characteristic of the electronic system is paid more and more attention. Moreover, the on-chip electrostatic discharge (ESD) is necessary for integrated circuits to prevent ESD failures. In this paper, the mixed TCAD model of the ESD pro
Externí odkaz:
https://doaj.org/article/6f11b4bcb2da4346b8caa0718c2ada82
Publikováno v:
Results in Physics, Vol 26, Iss , Pp 104349- (2021)
Three direct and two indirect semiconductor materials together with one metallic material for group-IV binary compounds in the P4/ncc phase are investigated in this work, by employing density functional theory (DFT), where the morphology, stability,
Externí odkaz:
https://doaj.org/article/22f771404e23494c89b58ea74788b30e
Publikováno v:
Results in Physics, Vol 25, Iss , Pp 104254- (2021)
This study reported the structural properties, stability, mechanical anisotropy properties (anisotropy in Poisson's ratio, shear modulus, Young's modulus, and the universal elastic anisotropy index) and electronic properties (electronic band structur
Externí odkaz:
https://doaj.org/article/d2bf2f770c574099a6d8327673bfe14c
Publikováno v:
AIP Advances, Vol 11, Iss 4, Pp 045107-045107-10 (2021)
The crystal structures, mechanical stability, anisotropy, electronic band structures, and effective mass of Pbca-SiC and Pbcn-SiC under pressure are calculated utilizing first-principles calculations. Pbca-SiC and Pbcn-SiC with pressures in the range
Externí odkaz:
https://doaj.org/article/9a4af872f99e404a8c79efb32fbb58ac
Publikováno v:
Results in Physics, Vol 19, Iss , Pp 103690- (2020)
A novel superhard carbon allotrope T-C9 with an all-sp3 bonding network is theoretically predicted in this work. The new phase of the carbon allotrope has tetragonal symmetry with space group P-4m2, and the structural properties, stability, mechanica
Externí odkaz:
https://doaj.org/article/8af3ebe9e0cb4f26a48ceef67da3e1ad
Publikováno v:
Results in Physics, Vol 18, Iss , Pp 103271- (2020)
Four new sp3-hybridized silicon allotropes (Si10, Si14, Si20-I, and Si20-II) in the space groups of P21/m and P2/m were developed in this study. Their values for properties related to stability, and mechanical, electronic, and optical properties were
Externí odkaz:
https://doaj.org/article/b751f66a1ccd4569b36bad25fc8f2da7