We have successfully demonstrated a 1 Kb spin-orbit torque(SOT)magnetic random-access memory(MRAM)multiplexer(MUX)array with remarkable performance.The 1 Kb MUX array exhibits an in-die function yield of over 99.6%.Ad...We have successfully demonstrated a 1 Kb spin-orbit torque(SOT)magnetic random-access memory(MRAM)multiplexer(MUX)array with remarkable performance.The 1 Kb MUX array exhibits an in-die function yield of over 99.6%.Additionally,it provides a sufficient readout window,with a TMR/RP_sigma%value of 21.4.Moreover,the SOT magnetic tunnel junctions(MTJs)in the array show write error rates as low as 10^(-6)without any ballooning effects or back-hopping behaviors,ensuring the write stability and reliability.This array achieves write operations in 20 ns and 1.2 V for an industrial-level temperature range from-40 to 125℃.Overall,the demonstrated array shows competitive specifications compared to the state-of-the-art works.Our work paves the way for the industrial-scale production of SOT-MRAM,moving this technology beyond R&D and towards widespread adoption.展开更多
A novel time/wavelength-multiplexed fiber Bragg grating sensor array is presented. This type of sensor array has the advantages of more points for multi-point measurement, simple structure and low cost.
Realizing precise recording with large populations of neurons has been a long-standing goal in developing next-generation brain-machine interfaces(BMIs)[1,2].Specifically,flexible electrocorticography(ECoG)devices pla...Realizing precise recording with large populations of neurons has been a long-standing goal in developing next-generation brain-machine interfaces(BMIs)[1,2].Specifically,flexible electrocorticography(ECoG)devices placed on the cerebral cortex provide a nonpenetrating means to measure population-level coordinated neural activities across wide cortical areas,and have been successfully applied for speech synthesis,motor decoding,and seizure localization[3].展开更多
基金supported by the National Key Research and Development Program of China (Nos.2021YFB3601303,2021YFB3601304,2021YFB3601300,2022YFB4400200,2022YFB4400201,2022YFB4400203)the National Natural Science Foundation of China (Grant No.62171013)。
文摘We have successfully demonstrated a 1 Kb spin-orbit torque(SOT)magnetic random-access memory(MRAM)multiplexer(MUX)array with remarkable performance.The 1 Kb MUX array exhibits an in-die function yield of over 99.6%.Additionally,it provides a sufficient readout window,with a TMR/RP_sigma%value of 21.4.Moreover,the SOT magnetic tunnel junctions(MTJs)in the array show write error rates as low as 10^(-6)without any ballooning effects or back-hopping behaviors,ensuring the write stability and reliability.This array achieves write operations in 20 ns and 1.2 V for an industrial-level temperature range from-40 to 125℃.Overall,the demonstrated array shows competitive specifications compared to the state-of-the-art works.Our work paves the way for the industrial-scale production of SOT-MRAM,moving this technology beyond R&D and towards widespread adoption.
基金Supported by Beijing Education Administration Foundation (00KG040)
文摘A novel time/wavelength-multiplexed fiber Bragg grating sensor array is presented. This type of sensor array has the advantages of more points for multi-point measurement, simple structure and low cost.
基金supported by the Beijing Municipal Natural Science Foundation(L246017 and Z220015)the National Natural Science Foundation of China(NSFC)(T2425003,52272277,92164202,62304264,T2122010,and 52171239)+3 种基金Neu Cyber Neuro Tech(Beijing)Company,China(NC-2023-HE-02)Tsinghua University Initiative Scientific Research Program(2024Z02ORD001)the Science and Technology Program of Guangzhou City(2024B01J0079)the Beijing Nova Program(20230484254)。
文摘Realizing precise recording with large populations of neurons has been a long-standing goal in developing next-generation brain-machine interfaces(BMIs)[1,2].Specifically,flexible electrocorticography(ECoG)devices placed on the cerebral cortex provide a nonpenetrating means to measure population-level coordinated neural activities across wide cortical areas,and have been successfully applied for speech synthesis,motor decoding,and seizure localization[3].
