5 papers
Acoustoelectric Probing of Fractal Energy Spectra in Graphene/hBN Moiré Superlattices
Wenqing Song, Yicheng Mou, Qing Lan +6
Moiré superlattices with long-range periodicity exhibit Hofstadter energy spectra under accessible magnetic fields, enabling the exploration of emergent quantum phenomena through…
Defect Engineering for Stabilizing Magnetic and Topological Properties in Mn(Bi1-xSbx)2Te4
Haonan Chen, Jiayu Wang, Huayao Li +18
MnBi2Te4 is a versatile platform for exploring diverse topological quantum states, yet its potential is hampered by intrinsic antisite defects. While Sb substitution has been emplo…
Coherent detection of the oscillating acoustoelectric effect in graphene
Yicheng Mou, Jiayu Wang, Haonan Chen +9
In recent years, surface acoustic waves (SAWs) have emerged as a novel technique for generating quasiparticle transport and band modulation in condensed matter systems. SAWs intera…
Unexpected large electrostatic gating by pyroelectric charge accumulation
Yicheng Mou, Qi Liu, Jiaqi Liu +10
Pyroelectricity refers to the accumulation of charges due to changes in the spontaneous polarization of ferroelectric materials when subjected to temperature variations. Typically,…
Broadband photoresponse enhancement by band engineering in Sb-doped MnBi2Te4
Zixuan Xu, Haonan Chen, Jiayu Wang +11
Topological materials have attracted considerable attention for their potential in broadband and fast photoresponse, particularly in the infrared regime. However, the high carrier…