New electronic devices based on the physical properties of electrically driven skyrmions are promising for logic computing and nonvolatile memory applications.However,achieving efficient and practical compute-storage ...New electronic devices based on the physical properties of electrically driven skyrmions are promising for logic computing and nonvolatile memory applications.However,achieving efficient and practical compute-storage integration remains challenging owing to the structural complexity,limited functionality,and low flexibility observed in most skyrmion-based devices.In this study,we designed a novel device architecture that integrates seven basic logic gates into a unified physical structure.Their operation can be enabled by physical mechanisms,such as spin-orbit torque,spin-transfer torque,skyrmion-edge repulsions,and skyrmion-skyrmion interactions.Furthermore,by incorporating voltage-controlled magnetic anisotropy,the device achieved multi-input capability and reconfigurability functionality.Ultralow power consumption(<1 fJ/bit per logic function)and extremely high logic density were achieved.Significantly,the compatibility of this nanotrack design with existing skyrmion racetrack memory paves the way for advanced in-memory computing in spintronic architectures.展开更多
CASE,control and automatic science engineering,cybernetics and automation science engineering,or convergence and autonomous science engineering,has been proposed to integrate and evolve traditional basic courses in ma...CASE,control and automatic science engineering,cybernetics and automation science engineering,or convergence and autonomous science engineering,has been proposed to integrate and evolve traditional basic courses in mathematics,physics,chemistry,biology,literature,and social sciences into new fundamental courses at all levels of education from kindergarten to post-graduate programs,i.e.,the new K21 educational system.Our goal is to build a future intelligent ecosystem through three major sociotechnical transformations:from AIR(automation,intelligence,and robotics)to IST(intelligent science and technology),LaSEE(low-altitude space economy and ecology)to CiSEE(circular in situ economy and ecology),and finally,SEE(sleeping well,eating well,and exercising well)to H_(3)O(happy,health,and help organized,operated,and optimized)for a new humanity with advanced AI.IJICS will play a major role in this important process.展开更多
基金support from the National Natural Science Foundation of China (Grant No.12474101)support from the National Natural Science Foundation of China (Grant Nos.52272202 and W2421027)support from the National Natural Science Foundation of China (Grant No.52501307)。
文摘New electronic devices based on the physical properties of electrically driven skyrmions are promising for logic computing and nonvolatile memory applications.However,achieving efficient and practical compute-storage integration remains challenging owing to the structural complexity,limited functionality,and low flexibility observed in most skyrmion-based devices.In this study,we designed a novel device architecture that integrates seven basic logic gates into a unified physical structure.Their operation can be enabled by physical mechanisms,such as spin-orbit torque,spin-transfer torque,skyrmion-edge repulsions,and skyrmion-skyrmion interactions.Furthermore,by incorporating voltage-controlled magnetic anisotropy,the device achieved multi-input capability and reconfigurability functionality.Ultralow power consumption(<1 fJ/bit per logic function)and extremely high logic density were achieved.Significantly,the compatibility of this nanotrack design with existing skyrmion racetrack memory paves the way for advanced in-memory computing in spintronic architectures.
文摘CASE,control and automatic science engineering,cybernetics and automation science engineering,or convergence and autonomous science engineering,has been proposed to integrate and evolve traditional basic courses in mathematics,physics,chemistry,biology,literature,and social sciences into new fundamental courses at all levels of education from kindergarten to post-graduate programs,i.e.,the new K21 educational system.Our goal is to build a future intelligent ecosystem through three major sociotechnical transformations:from AIR(automation,intelligence,and robotics)to IST(intelligent science and technology),LaSEE(low-altitude space economy and ecology)to CiSEE(circular in situ economy and ecology),and finally,SEE(sleeping well,eating well,and exercising well)to H_(3)O(happy,health,and help organized,operated,and optimized)for a new humanity with advanced AI.IJICS will play a major role in this important process.
