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Domain-Wall-Mediated Ultralow-Barrier Sliding and Pinning in Ferroelectric Moiré Superlattices Revealed by Machine Learning
Jia-Wen Li, Sheng Meng, Xinghua Shi +2
Sliding ferroelectrics built from stacked nonpolar monolayers enable out-of-plane polarization and unconventional switching via interlayer sliding, yet the microscopic sliding dyna…
Substrate-mediated Borophane Polymorphs through Hydrogenation of Two-dimensional Boron Sheets
Yuchong Kang, Xiaoyun Ma, Jing Fu +5
Two-dimensional boron monolayer (borophene) stands out from the two-dimensional atomic layered materials due to its structural flexibility, tunable electronic and mechanical proper…
Unravelling a Zigzag Pathway for Hot-Carrier Collection at CH3NH3PbI3/Graphene Interfaces
Jin Zhang, Hao Hong, Jincan Zhang +4
The capture of photoexcited deep-band hot carriers, excited by photons with energies far above the bandgap, is of significant importance for photovoltaic and photoelectronic applic…
Integrated Plasmonics: Broadband Dirac Plasmons in Borophene
Chao Lian, Shi-Qi Hu, Jin Zhang +4
The past decade has witnessed numerous discoveries of two-dimensional (2D) semimetals and insulators, whereas 2D metals are rarely identified. Borophene, a monolayer boron sheet, h…
Dirac fermions in borophene
Baojie Feng, Osamu Sugino, Ro-Ya Liu +14
Honeycomb structures of group IV elements can host massless Dirac fermions with non-trivial Berry phases. Their potential for electronic applications has attracted great interest a…
Phosphorene and Doped Monolayers Interfaced TiO with Type-II Band Alignments: Novel Excitonic Solar Cells
Liujiang Zhou, Jin Zhang, Zhiwen Zhuo +6
Phosphorene, a new elemental two dimensional (2D) material recently isolated by mechanical exfoliation, holds the feature of a direct band gap of around 2.0 eV, overcoming graphene…
Direct Evidence of Metallic Bands in a Monolayer Boron Sheet
Baojie Feng, Jin Zhang, Ro-Ya Liu +8
The search for metallic boron allotropes has attracted great attention in the past decades and recent theoretical works predict the existence of metallicity in monolayer boron. Her…