Snowfinches are passerine birds which live in high altitude areas.As the name implies,they are not afraid of the cold.One can see them playing everywhere even when it is under twenty or thirty degrees below zero Celsi...Snowfinches are passerine birds which live in high altitude areas.As the name implies,they are not afraid of the cold.One can see them playing everywhere even when it is under twenty or thirty degrees below zero Celsius in the cold Changtang winter.Snowfinches are slightly larger than Eurasian tree sparrows and can be seen in both no man’s land and areas full of human activity.They have a relatively darker coat in summer and展开更多
Day One It was August 2013 when I first arrived in Changtang as a volunteer for WCS China.As our car was approaching the grassland,the air smelled a bit different,with the cool breeze of snowy mountains and the brisk ...Day One It was August 2013 when I first arrived in Changtang as a volunteer for WCS China.As our car was approaching the grassland,the air smelled a bit different,with the cool breeze of snowy mountains and the brisk smell of the prairie.When I saw the first Tibetan antelope holding her magnificent horns proudly high and staring at us for a while,I felt I was living in a dream.This was my first impression of Changtang.展开更多
Laser-assisted simulation technique has played a crucial role in the investigation of dose rate effects of silicon-based devices and integrated circuits,due to its exceptional advantages in terms of flexibility,safety...Laser-assisted simulation technique has played a crucial role in the investigation of dose rate effects of silicon-based devices and integrated circuits,due to its exceptional advantages in terms of flexibility,safety,convenience,and precision.In recent years,wide band gap materials,known for their strong bonding and high ionization energy,have gained increasing attention from researchers and hold significant promise for extensive applications in specialized environments.Consequently,there is a growing need for comprehensive research on the dose rate effects of wide band gap materials.In response to this need,the use of laser-assisted simulation technology has emerged as a promising approach,offering an effective means to assess the efficacy of investigating these materials and devices.This paper focused on investigating the feasibility of laser-assisted simulation to study the dose rate effects of wide band gap semiconductor devices.Theoretical conversion factors for laser-assisted simulation of dose rate effects of GaN-based and SiC-based devices were been provided.Moreover,to validate the accuracy of the conversion factors,pulsed laser and dose rate experiments were conducted on GaN-based and SiC-based PIN diodes.The results demonstrate that pulsed laser radiation andγ-ray radiation can produce highly similar photocurrent responses in GaN-based and SiC-based PIN diodes,with correlation coefficients of 0.98 and 0.974,respectively.This finding reaffirms the effectiveness of laser-assisted simulation technology,making it a valuable complement in studying the dose rate effects of wide band gap semiconductor devices.展开更多
文摘Snowfinches are passerine birds which live in high altitude areas.As the name implies,they are not afraid of the cold.One can see them playing everywhere even when it is under twenty or thirty degrees below zero Celsius in the cold Changtang winter.Snowfinches are slightly larger than Eurasian tree sparrows and can be seen in both no man’s land and areas full of human activity.They have a relatively darker coat in summer and
文摘Day One It was August 2013 when I first arrived in Changtang as a volunteer for WCS China.As our car was approaching the grassland,the air smelled a bit different,with the cool breeze of snowy mountains and the brisk smell of the prairie.When I saw the first Tibetan antelope holding her magnificent horns proudly high and staring at us for a while,I felt I was living in a dream.This was my first impression of Changtang.
基金National Natural Science Foundation of China(12205028)Natural Science Foundation of Sichuan Province(2022NSFSC1235)Young and Middle-aged Backbone Teacher Foundation of Chengdu University of Technology(10912-JXGG2022-08363)。
文摘Laser-assisted simulation technique has played a crucial role in the investigation of dose rate effects of silicon-based devices and integrated circuits,due to its exceptional advantages in terms of flexibility,safety,convenience,and precision.In recent years,wide band gap materials,known for their strong bonding and high ionization energy,have gained increasing attention from researchers and hold significant promise for extensive applications in specialized environments.Consequently,there is a growing need for comprehensive research on the dose rate effects of wide band gap materials.In response to this need,the use of laser-assisted simulation technology has emerged as a promising approach,offering an effective means to assess the efficacy of investigating these materials and devices.This paper focused on investigating the feasibility of laser-assisted simulation to study the dose rate effects of wide band gap semiconductor devices.Theoretical conversion factors for laser-assisted simulation of dose rate effects of GaN-based and SiC-based devices were been provided.Moreover,to validate the accuracy of the conversion factors,pulsed laser and dose rate experiments were conducted on GaN-based and SiC-based PIN diodes.The results demonstrate that pulsed laser radiation andγ-ray radiation can produce highly similar photocurrent responses in GaN-based and SiC-based PIN diodes,with correlation coefficients of 0.98 and 0.974,respectively.This finding reaffirms the effectiveness of laser-assisted simulation technology,making it a valuable complement in studying the dose rate effects of wide band gap semiconductor devices.
