Results 71 to 80 of about 383,954 (251)

Spintronic Physical Unclonable Functions Based on Field‐Free Spin–Orbit‐Torque Switching

Advances in Materials, 2022
Physical unclonable function (PUFs) utilize inherent random physical variations of solid‐state devices and are a core ingredient of hardware security primitives.
Soogil Lee, Jaimin Kang, Jeong-Mok Kim, Namhee Kim, Donghyeon Han, Taekhyeon Lee, San Ko, Jiseok Yang, Sanghwa Lee, Sungjun Lee, Daekyu Koh, Min-Gu Kang, Jisung Lee, Sujung Noh, Hansaem Lee, Joonhyung Kwon, S. Baek, Kab-Jin Kim, Byong‐Guk Park   +18 more
semanticscholar   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

Advanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil, Sri Vaishnavi Thummalapalli, Clarissa Westover, Arunachalam Ramanathan, M. Taylor Sobzcak, Roumika Patil, Qixuan Xiang, Tiantian Li, Sui Yang, Timothy E. Long, Hongyue Sun, Xianqiao Wang, Yang Liu, Kenan Song   +13 more
wiley   +1 more source

Voltage-circuit analysis in spin-torque ferromagnetic resonance [PDF]

APL Materials
Spin–orbit torque (SOT) enables efficient control of magnetization via spin–orbit coupling effects, so that accurate quantification of its efficiency is crucial for the development of spin–orbit devices.
Ki Hyuk Han, Deok Hyun Yun, Seung-Hun Jang, Jeong Ung Ahn, Young-Jun Nah, YongJin Kim, Min-Gu Kang, Seokmin Hong, Hyun Cheol Koo, OukJae Lee   +9 more
doaj   +1 more source

Impact of inherent energy barrier on spin-orbit torques in magnetic-metal/semimetal heterojunctions

Nature Communications, 2023
Spintronic devices are based on heterojunctions of two materials with different magnetic and electronic properties. Although an energy barrier is naturally formed even at the interface of metallic heterojunctions, its impact on spin transport has been ...
Tenghua Gao, Alireza Qaiumzadeh, Roberto E. Troncoso, Satoshi Haku, Hongyu An, Hiroki Nakayama, Yuya Tazaki, Song Zhang, Rong Tu, Akio Asami, Arne Brataas, Kazuya Ando   +11 more
doaj   +1 more source

Field-free approaches for deterministic spin–orbit torque switching of the perpendicular magnet

Materials Futures, 2022
All-electrical driven magnetization switching attracts much attention in next-generation spintronic memory and logic devices, particularly in magnetic random-access memory (MRAM) based on the spin–orbit torque (SOT), i.e.
Hao Wu, Jing Zhang, B. Cui, S. A. Razavi, X. Che, Quanjun Pan, Di Wu, Guoqiang Yu, Xiufeng Han, Kang L. Wang   +9 more
semanticscholar   +1 more source

Multimodal Perception and Machine Learning‐Empowered Human Machine Interfaces With Double‐Network Hydrogel Fibers

Advanced Functional Materials, EarlyView.
This work develops polyacrylamide‐alginate (PAM‐Alg) double‐network hydrogel fibers for multimodal perception and intelligent human‐machine interfaces. The covalent‐ionic network provides high strength, toughness, and stable conductivity. Easily woven into wearables and integrated with soft robots, the fibers enable object and temperature recognitions ...
Yujue Yang, Minyu Qiu, Di Tan, Xinlong Liu, Junze Zhang, Ziyu He, Jing Han, Yuanyuan Gao, Zihua Li, Hong Fu, Bingang Xu   +10 more
wiley   +1 more source

Dependence of current-induced switching threshold on composition gradient width in Si/Al-integrated perpendicular magnetic films [PDF]

AIP Advances
We report spin–orbit torque switching in perpendicularly magnetized Pt(3.1 nm)/Co(0.95 nm)/Pt(3.1 nm) trilayer using Si/Al composition-graded materials (CGMs).
Sayuri Takagi, Kazuto Yamanoi, Yukio Nozaki   +2 more
doaj   +1 more source

Pickering‐Engineered Microparticles for Magnetically Guided Motion and Light‐Triggered Catalysis

Advanced Functional Materials, EarlyView.
Magnetically responsive wax microparticles stabilized by hematite cubes through the Pickering emulsification strategy are developed, showing controlled size, motion, and light‐activated catalytic activity. Annealing under a magnetic field enhances their mobility and steering.
Chiara Ferlito, Ludovico Guercio, Giuseppe Cavallaro, Giuseppe Lazzara, Theodore Hueckel, Lorenzo Lisuzzo, Stefano Sacanna   +6 more
wiley   +1 more source

Room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques

Nature Communications, 2017
The application of spin-orbit torque in topological insulator heterostructures is limited only under low temperature. Here, the authors report room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit ...
Yi Wang, Dapeng Zhu, Yang Wu, Yumeng Yang, Jiawei Yu, Rajagopalan Ramaswamy, Rahul Mishra, Shuyuan Shi, Mehrdad Elyasi, Kie-Leong Teo, Yihong Wu, Hyunsoo Yang   +11 more
doaj   +1 more source

Development of a Three‐Axis Planar Hall Magnetoresistance Sensor Using a Superparamagnetic Nanoparticle‐Based Flux Guide

Advanced Functional Materials, EarlyView.
A printed superparamagnetic nanoparticle‐based flux guide enables the realization of a hysteresis‐free three‐axis magnetic sensor. This innovative architecture efficiently redirects out‐of‐plane fields to planar sensing elements, facilitating simultaneous vector detection without complex reset protocols.
Changyeop Jeon, Mijin Kim, Keonmok Kim, Byeonghwa Lim, Bibhutibhusan Nayak, Youngdo Jung, Bo‐Yeon Lee, Taehyeong Jeon, Jinwoo Kim, Sunjong Oh, CheolGi Kim   +10 more
wiley   +1 more source