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cond-mat.mtrl-sci2025★ 3 cited
Evidence of a two-dimensional nitrogen crystalline structure on silver surfaces
Xuegao Hu, Haijun Cao, Zhicheng Gao +11
Nitrogen, the most abundant element in Earth's atmosphere, exists as a diatomic gas under standard temperature and pressure. In the two-dimensional (2D) limit, atomically thin nitr…
cond-mat.str-el2025★ 8 cited
Flat bands and temperature-driven phase transition in quasi-one-dimensional zigzag chains
Jisong Gao, Haijun Cao, Xuegao Hu +12
Flat-band materials have garnered extensive attention due to their captivating properties associated with strong correlation effects. While flat bands have been discovered in sever…