Charge state of steps on anatase TiO2 (1 0 1) at 78 K by AFM/KPFM

J Wei, S Odani, Y Sugawara, YJ Li - Applied Surface Science, 2023 - Elsevier
Surface steps strongly influence the surface chemistry of metal oxides, a detailed picture of
step charge and structure may help to understand reactivity and predict the performance of …

Investigation of semiconductor properties of Co/Si (111)-7× 7 by AFM/KPFS

Z Qu, Y Sugawara, Y Li - Journal of Physics: Condensed Matter, 2023 - iopscience.iop.org
Studies of the physics underlying carrier transport characteristics and band bending of
semiconductors are critical for developing new types of devices. In this work, we investigated …

Investigation of atomic surface potential on Si (111)-7× 7 surface by high-frequency heterodyne-Kelvin probe force microscopy

Z Qu, J Wei, Y Sugawara, Y Li - Surfaces and Interfaces, 2024 - Elsevier
The surface potential on n-type Si (111)-7× 7 surface was measured at 78 K using high-
frequency heterodyne-Kelvin probe force microscopy (HF-he-KPFM) method with atomic …

Topography and localized charge of steps on CeO2 (111) investigated by AFM/KPFM

P Shu, Q Guo, X Tian, J Wei, Z Qu, X Ren, H Wen… - Surfaces and …, 2024 - Elsevier
The configuration of step edges on metal oxide surface is significant for understanding
fundamental reactivity and predicting the performance in catalysis. In this work, the …

Clarification of Au dimer adsorption sites on Si (111)-7× 7 surface by AFM/KPFM

Q Guo, X Ren, P Shu, X Tian, J Wei, Z Qu, H Wen… - Physica …, 2024 - iopscience.iop.org
Atomic-scale surface adsorption has been a significant research topic in recent years, with a
particular emphasis on the adsorption properties of Au/Si (111)-7× 7, which are vitally …