Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Bao, Kejie"'
We theoretically propose that van der Waals monolayer Re(Ag$X_3$)$_2$ ($X=$ Cl, Br, I) have four consecutive flat Chern bands in the 120$^\circ$ spiral antiferromagnetic ground state. The nontrivial topology of these Chern bands emerges from the syne
Externí odkaz:
http://arxiv.org/abs/2409.01741
Autor:
Li, Jingwei, Bao, Kejie, Sun, Honglin, Yan, Xingxu, Huang, Ting, Zhang, Qicheng, Zhou, Yaoqiang, Liu, Zhenjing, Das, Paul Masih, You, Jiawen, Zhao, Jiong, Xu, Jianbin, Pan, Xiaoqing, Mi, Yongli, Zhu, Junyi, Gao, Zhaoli
Quasicrystals represent a category of rarely structured solids that challenge traditional periodicity in crystal materials. Recent advancements in the synthesis of two-dimensional (2D) van der Waals materials have paved the way for exploring the uniq
Externí odkaz:
http://arxiv.org/abs/2406.07068
The interplay between non-trivial topology and strong electron interaction can generate a variety of exotic quantum matter. Here we theoretically propose that monolayer transition metal trihalides MoF$_3$ and W$X_3$ ($X$= Cl, Br, I) have isolated nea
Externí odkaz:
http://arxiv.org/abs/2403.07551
Intrinsic magnetic topological insulators offers an ideal platform to explore exotic topological phenomena, such as axion electrodynamics, quantum anomalous Hall (QAH) effect and Majorana edge modes. However, these emerging new physical effects have
Externí odkaz:
http://arxiv.org/abs/2308.15023
Publikováno v:
Phys. Rev. Lett. 132, 106602 (2024)
We theoretically propose that the van der Waals layered ternary transition metal chalcogenide V$_2 MX_4$ ($M=$ W, Mo; $X=$ S, Se) is a new family of quantum anomalous Hall insulators with sizable bulk gap and Chern number $\mathcal{C}=-1$. The large
Externí odkaz:
http://arxiv.org/abs/2303.14685
Cu2ZnSnS4 (CZTS) is a promising thin-film solar-cell material consisted of earth abundant and nontoxic elements. Yet, there exists a fundamental bottle neck that hinders the performance of the device due to complexed intrinsic defects properties and
Externí odkaz:
http://arxiv.org/abs/2010.11508
Autor:
Yao, Wei, Wang, Eryin, Bao, Changhua, Zhang, Yiou, Zhang, Kenan, Bao, Kejie, Chan, Chun Kai, Chen, Chaoyu, Avila, Jose, Asensio, Maria C., Zhu, Junyi, Zhou, Shuyun
The interlayer coupling can be used to engineer the electronic structure of van der Waals heterostructures (superlattices) to obtain properties that are not possible in a single material. So far research in heterostructures has been focused on commen
Externí odkaz:
http://arxiv.org/abs/1804.05372
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Akademický článek
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Autor:
Bao, Kejie
The EM algorithm is one of the most popular statistical learning algorithms. Unfortunately, it is a batch learning method. For large data sets and real-time systems, we need to develop on-line methods. In this thesis, we present a comprehensive study
Externí odkaz:
http://hdl.handle.net/2429/14569