Research progress on 2D ferroelectric and ferrovalley materials and their neuromorphic application

Y Tan, J Zheng, X Niu, Y Zhao, N Zhong, B Tian… - Science China Physics …, 2023 - Springer
Abstract Two-dimensional (2D) ferroelectric and ferrovalley materials have recently received
extensive attention due to their significant advantages for modern electronic devices, such …

Ferroelastically controlled ferrovalley states in stacked bilayer systems with inversion symmetry

YK Zhang, JD Zheng, WY Tong, YF Zhao, YF Tan… - Physical Review B, 2023 - APS
Realizing and manipulating valley polarization is extremely important to valleytronics.
Ferrovalley materials with spontaneous valley polarization are excellent candidates for this …

Density Functional Theory Study of Nonvolatile Electrical Control of Half-Metallicity in Multiferroic RuCl2/Al2S3 Heterostructures: Implications for Spin Memory …

Y Chen, G Wang, J Guo, M Li, H Yuan… - ACS Applied Nano …, 2024 - ACS Publications
To overcome the volatility and high-power dissipation in conventional control approaches in
spin-dependent devices, such as spin memory devices, there is an urgent need to realize …

Curvature-controlled band alignment transition in 1D van der Waals heterostructures

S Zhao, C Yang, Z Zhu, X Yao, W Li - npj Computational Materials, 2023 - nature.com
The effect of curvature on the band alignment of one-dimensional (1D) van der Waals (vdW)
transition metal dichalcogenide (TMDC) heterostructures is studied by comprehensive first …

Origin of metallic ferroelectricity in group-V monolayer black phosphorus

W Xu, YP Shao, JL Wang, JD Zheng, WY Tong… - Physical Review B, 2024 - APS
Recent research has shown that monolayer black phosphorus (BP) can be metallic while
sustaining spontaneous polarization. Using density-functional calculations and mean-field …

Chemically tuned intermediate band states in atomically thin CuxGeSe/SnS quantum material for photovoltaic applications

SM Kastuar, CE Ekuma - Science Advances, 2024 - science.org
A new generation of quantum material derived from intercalating zerovalent atoms such as
Cu into the intrinsic van der Waals gap at the interface of atomically thin two-dimensional …

Strain engineering tunable electronic conductivity in two-dimensional γ-GeSe

W Zhang, Y Cui, C Zhu, B Huang, Y Lou… - Materials Chemistry and …, 2023 - Elsevier
The strain engineering tunable electronic properties of two-dimensional γ-GeSe were
systemically investigated by using density-functional calculations. Results indicate the …

Spin-polarization anisotropy controlled by bending in tungsten diselenide nanoribbons and tunable excitonic states

H Tang, S Neupane, L Yin, JM Breslin… - Journal of Materials …, 2023 - pubs.rsc.org
A WSe2 monolayer shows many interesting properties due to its spin–orbit coupling induced
spin splitting in bands around the Fermi level and the spin–valley configuration. The …

Coexistence and interplay of pseudomagnetism and flexoelectricity in few-layer rippled graphene

J Xu, Z Zhang, P Cui - npj Quantum Materials, 2024 - nature.com
The mechanical strain has been widely exploited as an effective knob to induce various
intriguing phenomena in two-dimensional materials, notably the emergence of …

Giant In-Plane Flexoelectricity and Radial Polarization in Janus IV–VI Monolayers and Nanotubes

K Zheng, T Vegge, IE Castelli - ACS Applied Materials & Interfaces, 2024 - ACS Publications
Nanotubes have established a new paradigm in nanoscience because of their atomically
thin geometries and intriguing properties. However, because of their typical metastability …