Author

Yao Li

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Review Open access Sep 2026

Thickness Engineering in HfO2-Based Ferroelectrics: A Critical Review of Phase, Switching, Reliability, and Device Trade-Offs

HfO2-based ferroelectrics have extended a familiar CMOS high-κ dielectric into a materials platform for nonvolatile memory, low-power logic, and in-memory hardware. This review examines thickness engineering in hafnia, especially Hf0.5Zr0.5O2 (HZO), through the state produced during fabrication, the voltage and time av...

Yu-Wei Cai, Yao Li, Zhong-Jian Gao et al. · Nanomaterials · 0 citations

Open access Aug 2026

Wi-CSNet: A Spatio-Temporal Model for CSI-Based Human Activity Recognition

Wi-CSNet is presented, a lightweight CSI-oriented framework that integrates Discrete Wavelet Transform (DWT) preprocessing, asymmetric-stride convolutions, and a Cross-Scanning State Space Duality block derived from Mamba2 that confirms the effectiveness and robustness of Wi-CSNet for fine-grained CSI-based activity re...

Zhong-Jian Gao, Rui-Ge Zhang, Yuwei Cai et al. · Future Internet · 0 citations