243 citations · 325 across the 8 of their papers we have counts for
8 papers
Atomic-Scale Roughness of Freestanding Oxide Membranes Revealed by Electron Ptychography
Huaicheng Yuan, Yu-Chen Liu, Li-Shu Wang +3
Freestanding oxide films offer significant potential for integrating exotic quantum functionalities with semiconductor technologies. However, their performance is critically limite…
Distinct orbital contributions to electronic and magnetic structures in LaNiO
Shilong Zhang, Hengyuang Zhang, Zehao Dong +10
High-T superconductivity has recently been discovered in Ruddlesden-Popper phase nickelates under pressure, where the low-energy electronic structure is dominated by Ni $d_{x^2…
Interstitial oxygen order and its competition with superconductivity in LaPrNiO
Zehao Dong, Gang Wang, Ningning Wang +6
High-temperature superconductivity in bilayer nickelate LaNiO under pressure has attracted significant interest in condensed matter physics. While early samples exhibit…
Atomic-Scale Heterogeneity of Hydrogen in Metal Hydrides Revealed by Electron Ptychography
Pengcheng Li, Chenglin Pua, Zehao Dong +6
Hydrogen plays critical roles in materials science, particularly for advancing technologies in hydrogen storage and phase manipulation, while also posing challenges like hydrogen e…
Sub-nanometer depth resolution and single dopant visualization achieved by tilt-coupled multislice electron ptychography
Zehao Dong, Yang Zhang, Chun-Chien Chiu +8
Real-space imaging of three-dimensional atomic structures is a critical yet challenging task in materials science. Although scanning transmission electron microscopy has achieved s…
Antiferromagnetic Quantum Anomalous Hall Effect Modulated by Spin Flips and Flops
Zichen Lian, Yongchao Wang, Yongqian Wang +11
The interplay between nontrivial band topology and layered antiferromagnetism in MnBi2Te4 has opened up a new avenue for exploring topological phases of matter. Representative exam…
Visualization of Oxygen Vacancies and Self-doped Ligand Holes in La3Ni2O7-δ
Zehao Dong, Mengwu Huo, Jie Li +7
The recent discovery of superconductivity in La3Ni2O7-δ under high pressure with a transition temperature around 80 K has sparked extensive experimental and theoretical efforts. Se…
Visualizing the Zhang-Rice singlet, molecular orbitals and pair formation in cuprate
Shusen Ye, Jianfa Zhao, Zhiheng Yao +7
The parent compound of cuprates is a charge-transfer-type Mott insulator with strong hybridization between the Cu and O orbitals. A key question concern…