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Related papers: A gate-programmable van der Waals metal-ferroelect…

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Ferroelectric tunnel junctions (FTJs), which consist of two metal electrodes separated by a thin ferroelectric barrier, have recently aroused significant interest for technological applications as nanoscale resistive switching devices. So…

Materials Science · Physics 2021-02-09 Jun Ding , Ding-Fu Shao , Ming Li , Li-Wei Wen , Evgeny Y. Tsymbal

Van der Waals (vdW) heterostructures combining layered ferromagnets and other two-dimensional (2D) crystals are promising building blocks for the realization of ultra-compact devices with integrated magnetic, electronic and optical…

Spin-valve effect has been the focus of spintronics over the last decades due to its potential in many spintronic devices. Two-dimensional (2D) van der Waals (vdW) materials are highly expected to build the spin-valve heterojunction.…

Mesoscale and Nanoscale Physics · Physics 2023-02-15 Wen Jin , Gaojie Zhang , Hao Wu , Li Yang , Wenfeng Zhang , Haixin Chang

We report gate-tunable memristive switching in patterned LaAlO3/SrTiO3 interfaces at cryogenic temperatures. The application of voltages in the order of a few volts to the back gate of the device allows controlling and switching-on and -off…

Two-dimensional van der Waals (2D vdW) materials that display ferromagnetism and piezoelectricity have received increased attention. Despite numerous 2D materials have so far been reported as ferromagnetic, developing an air stable and…

Materials Science · Physics 2022-05-04 Kayahan Saritas , Nassar Doudin , Eric I. Altman , Sohrab Ismail-Beigi

The challenging task of scaling-down the size of the power saving electronic devices can be accomplished by exploiting the spin degree of freedom of the conduction electrons in van der Waals (vdW) spintronic architectures built with 2D…

Charge transfer plays a key role at the interfaces of heterostructures, which can affect electronic structures and ultimately the physical properties of the materials. However, charge transfer is difficult to manipulate externally once the…

Materials Science · Physics 2023-02-08 Zi-Ao Wang , Weishan Xue , Faguang Yan , Wenkai Zhu , Yi Liu , Xinhui Zhang , Zhongming Wei , Kai Chang , Zhe Yuan , Kaiyou Wang

Planar electrodes patterned on a ferroelectric substrate are shown to provide lateral control of the conductive state of a two-terminal graphene stripe. A multi-level and on-demand memory control of the graphene resistance state is…

Materials Science · Physics 2015-11-17 V. Iurchuk , H. Majjad , F. Chevrier , D. Kundys , B. Leconte , B. Doudin , B. Kundys

We demonstrate ferroelectric (FE) memory transistors on a crystalline silicon channel with endurance exceeding $10^{10}$ cycles. The ferroelectric transistors (FeFETs) incorporate a high-$\kappa$ interfacial layer (IL) of thermally grown…

Applied Physics · Physics 2021-03-17 Ava Jiang Tan , Yu-Hung Liao , Li-Chen Wang , Jong-Ho Bae , Chenming Hu , Sayeef Salahuddin

Two-dimensional (2D) semiconductors have shown great promise in (opto)electronic applications. However, their developments are limited by a large Schottky barrier (SB) at the metal-semiconductor junction (MSJ), which is difficult to tune by…

Mesoscale and Nanoscale Physics · Physics 2016-04-26 Yuanyue Liu , Paul Stradins , Su-Huai Wei

A spin valve represents a well-established device concept in magnetic memory technologies, whose functionality is determined by electron transmission being controlled by the relative alignment of magnetic moments of the two ferromagnetic…

Materials Science · Physics 2024-08-23 Kai Huang , Kartik Samanta , Ding-Fu Shao , Evgeny Y. Tsymbal

The discovery of 2D materials opens up unprecedented opportunities to design new materials with specified properties. In many cases, the design guiding principle is based on one or another proximity effect, i.e. the nanoscale-penetration of…

Superconductivity · Physics 2024-10-22 G. A. Bobkov , K. A. Bokai , M. M. Otrokov , A. M. Bobkov , I. V. Bobkova

Exchange bias (EB) is a cornerstone of modern magnetic memory and sensing technologies. Its extension to the realm of two-dimensional (2D) van der Waals (vdW) magnets holds promise for revolutionary advancements in miniaturized and…

Mesoscale and Nanoscale Physics · Physics 2024-06-05 Jifeng Shao , Xiaolong Yin , Chunhao Bao , Sirong Lu , Xiaoming Ma , Shu Guo , Le Wang , Xi Zhang , Zhiyue Li , Longxiang Li , Yue Zhao , Tingyong Chen

Atomically-thin 2D semiconducting materials integrated into van der Waals heterostructures have enabled architectures that hold great promise for next generation nanoelectronics. However, challenges still remain to enable their full…

Superlattice engineering provides the means to reshape the fabric felt by quasiparticles moving in a material. Here we argue that bandstructure engineering with superlattices can be pushed to the extreme limit by stacking gapped van der…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 Li-kun Shi , Jing Ma , Justin C. W. Song

Magnetic skyrmions are chiral nanoscale spin textures which are usually induced by Dzyaloshinskii-Moriya interaction (DMI). Recently, magnetic skyrmions have been observed in two-dimensional (2D) van der Waals (vdW) ferromagnetic materials,…

Materials Science · Physics 2022-04-07 Kai Huang , Ding-Fu Shao , Evgeny Y. Tsymbal

Reconfigurable memristors featuring neural and synaptic functions hold great potential for neuromorphic circuits by simplifying system architecture, cutting power consumption, and boosting computational efficiency. Their additive…

The discovery of van der Waals magnets has established a new domain in the field of magnetism, opening novel pathways for the electrical control of magnetic properties. In this context, Fe3GeTe2 (FGT) emerges as an exemplary candidate owing…

Tuning the electric properties of crystalline solids is at the heart of material science and electronics. Generating the electric field-effect via an external voltage is a clean, continuous and systematic method. Here, utilizing the unique…

Mesoscale and Nanoscale Physics · Physics 2020-05-12 Yue Li , Chen Chen , Wei Li , Xiaoyu Mao , Heng Liu , Jianyong Xiang , Anmin Nie , Zhongyuan Liu , Wenguang Zhu , Hualing Zeng

To harness the intriguing properties of two-dimensional van der Waals (vdW) ferromagnets (FMs) for versatile applications, the key challenge lies in the reliable material synthesis for scalable device production. Here, we demonstrate the…