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In this paper we propose and evaluate the performance of a 3D-embedded neuromorphic computation block based on indium gallium zinc oxide ($\alpha$-IGZO) based nanosheet transistor and bi-layer resistive memory devices. We have fabricated…

Emerging Technologies · Computer Science 2022-05-01 Sunanda Thunder , Parthasarathi Pal , Yeong-Her Wang , Po-Tsang Huang

This study demonstrates 3D monolithic integration of amorphous indium-gallium-zinc oxide (a-IGZO) thin-film transistors (TFTs) on Gallium Nitride (GaN) high electron mobility transistors (HEMTs) in a cascode configuration, achieving high…

Applied Physics · Physics 2025-07-11 Tian-Li Wu , Hsin-Jou Ho , Chia-Wei Liu , Yi-Chen Chen

Charge transport in amorphous semiconductors is considerably more complicated than process in crystalline materials due to abundant localized states. In addition to device-scale characterization, spatially resolved measurements are…

Disordered Systems and Neural Networks · Physics 2024-11-19 Jia Yu , Yuchen Zhou , Xiao Wang , Ananth Dodabalapur , Keji Lai

A device and process strategy for achieving reliable indium gallium zinc oxide and indium oxide transistors compatible with a 400oC BEOL thermal budget and without performance degradation is demonstrated by fully exploiting intrinsic oxide…

InGaZnO (IGZO) channel FeFETs have attracted notable interest thanks to their advances in endurance. This work evaluates the viability of NOR-type IGZO FeFETs for readcentric AI inference workloads via design-technology cooptimization…

In this work, we demonstrate high performance indium-tin-oxide (ITO) transistors with the channel thickness down to 1 nm and ferroelectric Hf0.5Zr0.5O2 as gate dielectric. On-current of 0.243 A/mm is achieved on sub-micron gate-length ITO…

Applied Physics · Physics 2020-12-24 Mengwei Si , Joseph Andler , Xiao Lyu , Chang Niu , Suman Datta , Rakesh Agrawal , Peide D. Ye

The unique electronic properties of amorphous indium gallium zinc oxide (a-IGZO) thin films are closely associated with the complex charge dynamics of the materials. Conventional studies of charge transport in a-IGZO usually involve…

Materials Science · Physics 2024-11-19 Jia Yu , Yuchen Zhou , Xiao Wang , Xuejian Ma , Ananth Dodabalapur , Keji Lai

In order to continue to improve integrated circuit performance and functionality, scaled transistors with short channel lengths and low thickness are needed. But the further scaling of silicon-based devices and the development of…

Materials Science · Physics 2022-03-08 Mengwei Si , Zehao Lin , Zhizhong Chen , Xing Sun , Haiyan Wang , Peide D. Ye

The electron velocity-electric field characteristics in short channel length (50-100 nm) amorphous oxide field-effect transistors (FETs) are described using measured experimental data from indium gallium zinc oxide (IGZO) FETs in…

Materials Science · Physics 2026-04-24 Chankeun Yoon , Xiao Wang , Jatin Vikram Singh , Sanjay K. Banerjee , Ananth Dodabalapur

In this work, we demonstrate scaled back-end-of-line (BEOL) compatible indium oxide (In2O3) transistors by atomic layer deposition (ALD) with channel thickness (Tch) of 1.0-1.5 nm, channel length (Lch) down to 40 nm, and equivalent oxide…

Materials Science · Physics 2021-02-24 Mengwei Si , Zehao Lin , Adam Charnas , Peide D. Ye

Intimate integration of memory devices with logic transistors is a frontier challenge in computer hardware. This integration is essential for augmenting computational power concurrently with enhanced energy efficiency in big-data…

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary massive…

Signal Processing · Electrical Eng. & Systems 2020-03-02 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang

In this paper, we investigated the performance of thin-film transistors (TFTs) with different channel configurations including single-active-layer (SAL) Sn-Zn-O (TZO), dual-active-layers (DAL) In-Sn-O (ITO)/TZO, and triple-active-layers…

Applied Physics · Physics 2019-08-28 Zhuofa Chen , Dedong Han , Xing Zhang , Yi Wang

The first contribution of this paper is the development of extremely dense, energy-efficient mixed-signal vector-by-matrix-multiplication (VMM) circuits based on the existing 3D-NAND flash memory blocks, without any need for their…

Emerging Technologies · Computer Science 2019-08-08 Mohammad Bavandpour , Shubham Sahay , Mohammad Reza Mahmoodi , Dmitri B. Strukov

In this paper, a novel three-dimensional (3D) space-time-frequency (STF) non-stationary geometry-based stochastic model (GBSM) is proposed for the sixth generation (6G) terahertz (THz) wireless communication systems. The proposed THz…

Signal Processing · Electrical Eng. & Systems 2021-04-21 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao

Wurtzite nitride ferroelectric materials have emerged as promising candidates for next-generation memory applications due to their exceptional polarization properties and compatibility with conventional semiconductor processing techniques.…

Over the past decades, the relentless scaling and mass production of flash memory have underpinned the data-centric era. Yet charge-trap-based 3D NAND flash is now constrained by intrinsic physical and architectural limits, including…

Guided by a comprehensive analysis of accumulation mode transistor physics and oxide semiconductor materials properties, we demonstrate an innovative oxide semiconductor transistor structure and process flow that break the constraint…

Quantum memory is a fundamental building block for large-scale quantum networks. On-demand optical storage with a large bandwidth, a high multimode capacity and an integrated structure simultaneously is crucial for practical application.…

We have experimentally demonstrated the effectiveness of beta-gallium oxide (beta-Ga2O3) ferroelectric fin field-effect transistors (Fe-FinFETs) for the first time. Atomic layer deposited (ALD) hafnium zirconium oxide (HZO) is used as the…

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