Robust Threshold-Switching Behavior Assisted by Cu Migration in a Ferroionic CuInP2S6 Heterostructure

Z Zhong, S Wu, X Li, Z Wang, Q Yang, B Huang… - ACS …, 2023 - ACS Publications
The two-dimensional layered material CuInP2S6 (CIPS) has attracted significant research
attention due to its nontrivial physical properties, including room-temperature ferroelectricity …

High-speed mapping of surface charge dynamics using sparse scanning Kelvin probe force microscopy

M Checa, AS Fuhr, C Sun, R Vasudevan… - Nature …, 2023 - nature.com
Unraveling local dynamic charge processes is vital for progress in diverse fields, from
microelectronics to energy storage. This relies on the ability to map charge carrier motion …

Negative Capacitance for Stabilizing the Logic State in a Tunnel Field-Effect Transistor

K Dey, B Das, PK Hazra, T Kundu… - ACS Applied Nano …, 2024 - ACS Publications
Ferroelectric negative capacitance field-effect transistors, or FE-NCFETs, are promising
device architectures for achieving improved performance in terms of hysteresis, on–off ratio …

Cation Segregation in Alloyed Thiophosphates Fe2–xCoxP2S6

M Cheng, AK Iyer, AP Douvalis, SM Ribet… - Chemistry of …, 2023 - ACS Publications
Metal thiophosphates are a versatile class of van der Waals materials that can exhibit
drastically different properties depending on the metal cations that are incorporated. Solid …

Interface-Tuning of Ferroelectricity and Quadruple-Well State in CuInP2S6 via Ferroelectric Oxide

K Wang, D Li, J Wang, Y Hao, H Anderson, L Yang… - ACS …, 2023 - ACS Publications
Ferroelectric van der Waals CuInP2S6 possesses intriguing quadruple-well states and
negative piezoelectricity. Its technological implementation has been impeded by the …

A Dynamic Memory for Reservoir Computing Utilizing Ion Migration in CuInP2S6

Y Wu, NT Duong, YC Chien, S Liu… - Advanced Electronic …, 2024 - Wiley Online Library
Time‐series analysis and forecasting play a vital role in the fields of economics and
engineering. Neuromorphic computing, particularly recurrent neural networks (RNNs), has …

Ion migration induced bipolar diode effect and ferroelectricity modulation in CuInP2S6

D Rong, C Tian, J Xing, Q Jin, F Ma, G Liu, J Qiu… - Applied Physics …, 2023 - pubs.aip.org
The coupling between ferroelectricity and ion conductivity always presents unique physical
and chemical properties, making it crucial to understand their correlation for the …

Realization of sextuple polarization states and interstate switching in antiferroelectric CuInP2S6

T Li, Y Wu, G Yu, S Li, Y Ren, Y Liu, J Liu… - Nature …, 2024 - nature.com
Realization of higher-order multistates with mutual interstate switching in ferroelectric
materials is a perpetual drive for high-density storage devices and beyond-Moore …

Automated piezoresponse force microscopy domain tracking during fast thermally stimulated phase transition in CuInP2S6

M Checa, KP Kelley, R Vasudevan, L Collins… - …, 2023 - iopscience.iop.org
Real-time tracking of dynamic nanoscale processes such as phase transitions by scanning
probe microscopy is a challenging task, typically requiring extensive and laborious human …

Investigating Strain between Phase-Segregated Domains in Cu-Deficient CuInP2S6

R Rao, R Selhorst, J Jiang, BS Conner… - Chemistry of …, 2023 - ACS Publications
CuInP2S6 (CIPS) is an emerging layered ferroelectric material with a Curie temperature
above room temperature. When synthesized with Cu deficiencies (ie, Cu1–x In1+ x/3P2S6) …