简介
孙向明自主研发Topmetal系列像素芯片，并围绕硅像素芯片的应用开展了多项研发：针对无中微子双贝塔衰变实验，设计了单电极传感器Topmetal-S，在保证稳定性、均匀性和可扩展性的前提下能达到高能量分辨率和高空间分辨率；设计了大面积改进型芯片Topmetal-M，像素密度提高4倍，探测面积提高9倍，各项关键性能指标均达到或优于国外同类芯片；基于自主研发的Topmetal硅像素传感器束流监控系统灵敏度高，可监控低强度束流，位置分辨可达几十微米，无电极阻挡与辐射损伤，可用于下一代的癌症治疗和外靶实验的束流监控；专为低噪音低本底实验设计了Topmetal-II，能在液氮环境下工作，它是当前世界上噪声最低的能收集电荷的电极阵列，且实现了对光电子径迹的成像，成像质量满足X射线偏振测量要求，在X射线偏振探测方面摆脱了对国外硅像素读出芯片的依赖。
教育背景
2008，中国科学院高能物理研究所 博士。
2003，山东大学物理学士。
工作经历
2011 –至今，华中师范大学，教授
2008-2011，美国劳伦斯伯克利国家实验室 探测器开发 博士后
荣誉和奖励
2022年 华中师范大学“桂子学者”
2018年 “楚天科技之星”
2016年 “湖北省优秀青年骨干人才
近期文章（5年）
1. Liu Yanliang; Gao Chaosong;andSun Xiangming*;Dynamic X-ray imaging with screen-printed perovskite CMOS array,Nature Communications | (2024) 15:1588
2. Qiangjun Chen;Quan Sun;andSun Xiangming*;A 14-Gb/s VCSEL Driver in 65-nm CMOS With a Power-Efficient Driving Structure for Particle Physics Experiments，IEEE TRANSACTIONS ON NUCLEAR SCIENCE, VOL. 70, NO. 6, JUNE 2023
3. C. Zhao;Q. Chen;andSun Xiangming*;A 14 Gbps VCSEL driving ASIC in 55 nm for NICA multi purpose detector project,2022 JINST 17 C08021
4. Li Zili; Feng Huanbo;Preliminary test of topmetal-II−sensor for X-ray polarization measurements,Nuclear Inst. and Methods in Physics Research, A 1008 (2021) 165430
5. Li,Zili; Fan,Yan;andSun Xiangming*; A new method for directly locating single-event latchups using silicon pixel sensors in a gas detector，Nuclear Inst. and Methods in Physics Research, A 962 (2020) 163697
6. Ren, Weiping; Zhou, Wei; and Sun Xiangming* ; Topmetal-M: A novel pixel sensor for compact tracking applications,Nuclear Inst. and Methods in Physics Research, A 981 (2020) 164557
代表文章
1. Liu Yanliang; Gao Chaosong;andSun Xiangming*; Dynamic X-ray imaging with screen-printed perovskite CMOSarray, Nature Communications, 2024, 15(1588)
2. Ren, Weiping; Zhou, Wei; and Sun Xiangming* ; Topmetal-M: A novel pixel sensor for compacttracking applications, Nuclear Inst. and Methods in Physics Research, A 981 (2020) 164557
3. Li Zili; Feng Huanbo;and Sun Xiangming* ; Preliminary test of topmetalII[formula omitted] sensor for X-ray polarization measurements, Nuclear Instruments and Methodsin Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,2021, 1008.
4. Li,Zili; Fan,Yan;andSun Xiangming*; A new method fordirectly locating single-event latchups using silicon pixel sensors in a gas detector, NuclearInst. and Methods in Physics Research, A, 2020, 962).
5. Ren, Weiping; Zhang, Dongliang;andSun Xiangming*; Design and initialcharacterization of MIC4, the monolithic active pixel sensor prototype for CEPC vertex detector,Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers,Detectors and Associated Equipment, 2020, 978
