Zobrazeno 1 - 10
of 1 515
pro vyhledávání: '"Gao, WeiWei"'
Autor:
Wang, Xuefei, Ren, Yanhan, Qiu, Shi, Zhang, Fan, Li, Xueao, Gao, Junfeng, Gao, Weiwei, Zhao, Jijun
Electric polarization typically originates from non-centrosymmetric charge distributions. Since chemical bonds between atoms of the same elements favor centrosymmetric crystal structures and symmetrically distributed electron charges, elemental ferro
Externí odkaz:
http://arxiv.org/abs/2407.13985
Publikováno v:
Phys. Rev. Applied 21, 054019 (2024)
Metal monochalcogenide GaSe is a classic layered semiconductor that has received increasing research interest due to its highly tunable electronic and optical properties for ultrathin electronics applications. Despite intense research efforts, a syst
Externí odkaz:
http://arxiv.org/abs/2405.07120
Autor:
Shi, Xiaoran, Gao, Weiwei, Liu, Hongsheng, Fu, Zhen-Guo, Zhang, Gang, Zhang, Yong-Wei, Gao, Junfeng, Zhao, Jijun
Design and synthesis of novel two-dimensional (2D) materials that possess robust structural stability and unusual physical properties may open up enormous opportunities for device and engineering applications. Herein we propose a 2D sumanene lattice
Externí odkaz:
http://arxiv.org/abs/2311.07273
Publikováno v:
Phys. Rev. Lett. 132, 126402 (2024)
The GW approximation is widely used for reliable and accurate modeling of single-particle excitations. It also serves as a starting point for many theoretical methods, such as its use in the Bethe-Salpeter equation (BSE) and dynamical mean-field theo
Externí odkaz:
http://arxiv.org/abs/2310.20103
Autor:
Wu, Changhao, Li, Yuanchun, Xu, Mengwei, Guo, Chongbin, Yin, Zengshan, Gao, Weiwei, Chi, Chuanxiu
The number of satellites, especially those operating in low-earth orbit (LEO), is exploding in recent years. Additionally, the use of COTS hardware into those satellites enables a new paradigm of computing: orbital edge computing (OEC). OEC entails m
Externí odkaz:
http://arxiv.org/abs/2306.00275
The recent experimental fabrication of monolayer and few-layer C60 polymers paves the way for synthesizing two-dimensional cluster-assembled materials. Compared to atoms with the SO(3) symmetry, clusters as superatoms (e.g., C60) have an additional r
Externí odkaz:
http://arxiv.org/abs/2305.03339
The inability to guarantee robustness is one of the major obstacles to the application of deep learning models in security-demanding domains. We identify that the most commonly used cross-entropy (CE) loss does not guarantee robust boundary for neura
Externí odkaz:
http://arxiv.org/abs/2302.09575
Using first-principles GW plus Bethe-Salpeter equation calculations, we identify anomalously strong excitonic effects in several vacancy-ordered double perovskites Cs2MX6 (M = Ti, Zr; X = I, Br). Giant exciton binding energies about 1 eV are found in
Externí odkaz:
http://arxiv.org/abs/2211.05323
Dzyaloshinskii-Moriya interaction (DMI) is the primary mechanism for realizing real-space chiral spin textures, which are regarded as key components for the next-generation spintronics. However, DMI arises from a perturbation term of the spin-orbit i
Externí odkaz:
http://arxiv.org/abs/2209.08444
Two-dimensional (2D) multiferroic materials are ideal systems for exploring new coupling mechanisms between different ferroic orders and producing novel quantum phenomena with potential applications. We employed first-principles density functional th
Externí odkaz:
http://arxiv.org/abs/2209.08442