3 papers
cond-mat.mtrl-sci2025
Orbital-selective charge transfer drives two-step negative thermal expansion structural transitions in PbTa2Se4
Peng Li, Xiaohui Yang, Wenhua Song +7
The negative thermal expansion (NTE) effect has been found generally combined with structural phase transitions. However, the charge and orbital freedoms of the NTE has not been we…
cs.LG2025
Rapid morphology characterization of two-dimensional TMDs and lateral heterostructures based on deep learning
Junqi He, Yujie Zhang, Jialu Wang +6
Two-dimensional (2D) materials and heterostructures exhibit unique physical properties, necessitating efficient and accurate characterization methods. Leveraging advancements in ar…
cond-mat.mtrl-sci2024
Unraveling the role of Ta in the phase transition of Pb(Ta1+xSe2)2 using low-temperature Raman spectroscopy
Yu Ma, Chi Sin Tang, Xiaohui Yang +15
Phase engineering strategies in two-dimensional transition metal dichalcogenides (2D-TMDs) have garnered significant attention due to their potential applications in electronics, o…