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cond-mat.mtrl-sci2021
Unusual phase transition of layer-stacked borophene under pressure
Xiao-Ji Weng, QuanSheng Wu, Xi Shao +6
The 8-Pmmn borophene, a boron analogue of graphene, hosts tilted and anisotropic massless Dirac fermion quasiparticles owing to the presence of the distorted graphene-like sublatti…
cond-mat.mtrl-sci2020
Helium Induced Nitrogen Salt at High Pressure
Jingyu Hou, Xiao-Ji Weng, Artem R. Oganov +6
The energy landscape of helium-nitrogen mixtures is explored by ab initio evolutionary searches, which predicted several stable helium-nitrogen compounds in the pressure range from…
cond-mat.mtrl-sci2019
Formation of copper boride on Cu(111)
Chengguang Yue, Xiao-Ji Weng, Guoying Gao +9
Boron forms compounds with nearly all metals, with notable exception of copper and other group IB and IIB elements. Here, we report an unexpected discovery of ordered copper boride…