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We report the fabrication and characterization of kilobyte-scale, selector-free, ferroelectric (FE) diode crossbar memory arrays based on aluminum scandium nitride (AlScN). Utilizing a fully CMOS back-end-of-line (BEOL) compatible process,…

Van der Waals (vdW) p-n heterojunctions are important building blocks for advanced electronics and optoelectronics, in which high-quality heterojunctions essentially determine device performances or functionalities. Creating tunable…

The gate defect of the ferroelectric HfO$_2$-based Si field-effect transistor (Si FeFET) plays a dominant role in its reliability issue. The first-principles calculations are an effective method for the atomic-scale understanding of gate…

Thin film ferroelectric devices with ultralow power operation, non-volatile data retention and fast and reliable switching are attractive for non-volatile memory and as synaptic weight elements. However, low thermal budget ferroelectric…

Applied Physics · Physics 2024-12-17 Padma Srivari , Ella Paasio , Xinye Li , Sayani Majumdar

This work demonstrates that porous helical WOx architectures enable a distinct low-power regime for planar ITO/WOx/ITO resistive random-access devices. While thin film and helical devices behave similarly at a 5 mA compliance, only helical…

Applied Physics · Physics 2025-10-22 John F. Hardy , Jack A. Garrard , Guilherme S. Y. Giardini , Carlo R. daCunha

The interfacial phase-change memory (iPCM) GeTe/Sb2Te3, promising candidates for the next generation non-volatile random-access memories, exhibits fascinating topological properties. Depending on the atomic-layer-stacking sequence of the…

Materials Science · Physics 2017-12-20 Jinwoong Kim , Jeongwoo Kim , Young-Sun Song , Ruqian Wu , Seung-Hoon Jhi , Nicholas Kioussis

A novel defect control approach based on laminated HfO$_2$/ZrO$_2$ with multifunctional TiN/Mo/TiOxNy electrode is proposed to significantly improve the endurance and data retention in HZO-based ferroelectric capacitor. The O-rich interface…

Applied Physics · Physics 2023-11-07 Sheng-Min Wang , Cheng-Rui Liu , Yu-Ting Chen , Shao-Chen Lee , Ying-Tsan Tang

In this letter we propose the design and simulation study of a novel transistor, called HFinFET, which is a hybrid of a HEMT and a FinFET, to obtain excellent performance and good off state control. Followed by the description of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Kausik Majumdar , Prashant Majhi , Navakanta Bhat , Raj Jammy

Cryogenic field-effect transistors (FETs) offer great potential for a wide range of applications, the most notable example being classical control electronics for quantum information processors. In the latter context, on-chip FETs with low…

Mesoscale and Nanoscale Physics · Physics 2024-09-19 E. Icking , D. Emmerich , K. Watanabe , T. Taniguchi , B. Beschoten , M. C. Lemme , J. Knoch , C. Stampfer

Current memcapacitor implementations typically demand complex fabrication processes or depend on organic materials exhibiting poor environmental stability and reproducibility. Here, we demonstrate memcapacitor structures utilizing a quasi…

Recent experiments shown that graphene epitaxially grown on Silicon Carbide (SiC) can exhibit a energy gap of 0.26 eV, making it a promising material for electronics. With an accurate model, we explore the design parameter space for a fully…

Mesoscale and Nanoscale Physics · Physics 2010-07-02 Paolo Michetti , Martina Cheli , Giuseppe Iannaccone

Two-dimensional (2D) transition metal dichalcogenides (TMDCs) remain a topic of immense interest. Specifically, given their low operational switching costs, they find many niche applications in new computing architectures with the promise…

Ferroelectric HfO$_2$ is a promising material for new memory devices, but significant improvement of important properties is necessary to reach applications. However, precedent literature shows that a dilemma between polarization, endurance…

Applied Physics · Physics 2020-06-30 Jike Lyu , Tingfeng Song , Ignasi Fina , Florencio Sánchez

In this work, we report a novel design, one-transistor-one-inverter (1T1I), to satisfy high speed and low power on-chip training requirements. By leveraging doped HfO2 with ferroelectricity, a non-volatile inverter is successfully…

Mesoscale and Nanoscale Physics · Physics 2022-09-20 Dong Zhang , Yuye Kang , Gan Liu , Zuopu Zhou , Kaizhen Han , Chen Sun , Leming Jiao , Xiaolin Wang , Yue Chen , Qiwen Kong , Zijie Zheng , Long Liu , Xiao Gong

Ferroelectric tunnel junction devices based on ferroelectric thin films of solid solutions of hafnium dioxide can enable CMOS integration of ultra-low power ferroelectric devices with potential for memory and emerging computing schemes such…

The fundamental property of most single-electron devices with quasicontinuous quasiparticle spectrum on the island is the periodicity of their transport characteristics in the gate voltage. This property is robust even with respect to…

Mesoscale and Nanoscale Physics · Physics 2014-11-11 S. A. Fedorov , A. E. Korolkov , N. M. Chtchelkatchev , O. G. Udalov , I. S. Beloborodov

We report high-fidelity laser-beam-induced quantum logic gates on magnetic-field-insensitive qubits comprised of hyperfine states in $^{9}$Be$^+$ ions with a memory coherence time of more than 1 s. We demonstrate single-qubit gates with…

We propose a tunneling heterostructure by replacing one of the metal electrodes in a metal/ferroelectric/metal ferroelectric tunnel junction with a heavily doped semiconductor. In this metal/ferroelectric/semiconductor tunnel diode, both…

Materials Science · Physics 2013-05-22 Zheng Wen , Chen Li , Di Wu , Aidong Li , Naiben Ming

The continuous miniaturisation of metal-oxide-semiconductor field-effect transistors (MOSFETs) from long- to short-channel architectures has advanced beyond the predictions of Moore's Law. Continued advances in semiconductor electronics,…

Systems and Control · Electrical Eng. & Systems 2025-10-30 Yusheng Xiong , Kaveh Delfanazari

The Last Level Cache (LLC) is the processor's critical bridge between on-chip and off-chip memory levels - optimized for high density, high bandwidth, and low operation energy. To date, high-density (HD) SRAM has been the conventional…

Emerging Technologies · Computer Science 2025-03-12 Faaiq Waqar , Jungyoun Kwak , Junmo Lee , Minji Shon , Mohammadhosein Gholamrezaei , Kevin Skadron , Shimeng Yu
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