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cond-mat.mtrl-sci2023
Bilayer Stacking Ferrovalley without Breaking Time-Reversal Symmetry
Guoliang Yu, Junyi Ji, Changsong Xu +1
Non-volatile manipulation of valley polarization in solids has long been desired for valleytronics applications but remains challenging. Here, we propose a novel strategy for non-v…
cond-mat.mtrl-sci2023★ 1 cited
Unconventional Ferroelectricity in Violation with Neumann's Principle
Junyi Ji, Guoliang Yu, Changsong Xu +1
The physical properties of crystals are governed by their symmetry according to Neumann's principle. However, we present a case that contradicts this principle wherein the polariza…