Maintaining stable high temperatures under pressure remains a challenge in high-pressure,high-temperature experiments using multi-anvil presses(MAPs).Temperature fluctuations exceeding 10℃ at high pressures are commo...Maintaining stable high temperatures under pressure remains a challenge in high-pressure,high-temperature experiments using multi-anvil presses(MAPs).Temperature fluctuations exceeding 10℃ at high pressures are common and particularly problematic with LaCrO_(3) heaters,which can experience significant power fluctuations and even failure due to substantial resistance changes—an issue conventional thyristorcontrolled heating systems cannot effectively manage.To address this limitation,we have developed the Multi-Anvil Stable Temperature controller(MASTer),a high-performance heating system optimized for MAP experiments.MASTer enables precise,high-speed measurement of heating parameters and power output control,incorporating a gentle regulation strategy to enhance stability.It ensures consistent heating across various heater types,including LaCrO_(3),with power fluctuations limited to±0.1 W and temperature fluctuations to within±2℃ in most cases.The design,operating principles,user interface,functionality,and performance of the heating system are discussed in detail.展开更多
With the Rio Olympics just a few months past,we remember the excitement,the incredible performances,and the controversies.As happens so often,the Olympic Games focus attention not only on athletic achievements but als...With the Rio Olympics just a few months past,we remember the excitement,the incredible performances,and the controversies.As happens so often,the Olympic Games focus attention not only on athletic achievements but also on how athletes may reach ever-increasing levels of performance.Doping,medical展开更多
A double silicon on insulator（DSOI） structure was introduced based on fully depleted SOI（FDSOI）technology.The circuit performance could be adjusted dynamically through the separate back gate electrodes applied to ...A double silicon on insulator（DSOI） structure was introduced based on fully depleted SOI（FDSOI）technology.The circuit performance could be adjusted dynamically through the separate back gate electrodes applied to N-channel and P-channel devices.Based on DSOI ring oscillator（OSC）,this paper focused on the theoretical analysis and electrical test of how the OSC＇s frequency being influenced by the back gate electrodes（soi2n,soi2p）.The testing results showed that the frequency and power consumption of OSC could change nearly linearly along with the back gate bias.According to the different requirements of the circuit designers,the circuit performance could be improved by positive soi2 n and negative soi2 p,and the power consumption could be reduced by negative soi2n and positive soi2p.The best compromise between performance and power consumption of the circuit could be achieved by appropriate back gate biasing.展开更多
基金supported by the National Science Fund for Distinguished Young Scholars(Grant No.T2225027)the National Key R&D Program of China(Grant No.2023YFA1608902).
文摘Maintaining stable high temperatures under pressure remains a challenge in high-pressure,high-temperature experiments using multi-anvil presses(MAPs).Temperature fluctuations exceeding 10℃ at high pressures are common and particularly problematic with LaCrO_(3) heaters,which can experience significant power fluctuations and even failure due to substantial resistance changes—an issue conventional thyristorcontrolled heating systems cannot effectively manage.To address this limitation,we have developed the Multi-Anvil Stable Temperature controller(MASTer),a high-performance heating system optimized for MAP experiments.MASTer enables precise,high-speed measurement of heating parameters and power output control,incorporating a gentle regulation strategy to enhance stability.It ensures consistent heating across various heater types,including LaCrO_(3),with power fluctuations limited to±0.1 W and temperature fluctuations to within±2℃ in most cases.The design,operating principles,user interface,functionality,and performance of the heating system are discussed in detail.
文摘With the Rio Olympics just a few months past,we remember the excitement,the incredible performances,and the controversies.As happens so often,the Olympic Games focus attention not only on athletic achievements but also on how athletes may reach ever-increasing levels of performance.Doping,medical
文摘A double silicon on insulator（DSOI） structure was introduced based on fully depleted SOI（FDSOI）technology.The circuit performance could be adjusted dynamically through the separate back gate electrodes applied to N-channel and P-channel devices.Based on DSOI ring oscillator（OSC）,this paper focused on the theoretical analysis and electrical test of how the OSC＇s frequency being influenced by the back gate electrodes（soi2n,soi2p）.The testing results showed that the frequency and power consumption of OSC could change nearly linearly along with the back gate bias.According to the different requirements of the circuit designers,the circuit performance could be improved by positive soi2 n and negative soi2 p,and the power consumption could be reduced by negative soi2n and positive soi2p.The best compromise between performance and power consumption of the circuit could be achieved by appropriate back gate biasing.
