简介:
男,1968年出生,国家杰出青年基金获得者,973项目首席科学家。现任中国科学院物理所研究员、博士生导师。1999年在中科院金属所获博士学位,2000年在美国纽约州立大学布法罗分校做访问研究,2002-2003年在美国佐治亚理工学院和哈佛大学做博士后,2004年在日本国立材料科学研究所做访问研究员。现为《Journal of Nanomaterials》杂志副主编。2008年获得北京市科技一等奖,2011年获得国家自然科学二等奖,2015年获得中国物理学会胡刚复奖。
主要研究方向:
低维结构的制备与物性;界面载流子输运与器件机理;原位透射电子显微学
过去的主要工作及获得的成果:
自主研制完成了用于低维纳米材料物性研究的原位透射电子显微镜电学/光学性质测量仪器,通过构筑纳米材料及其器件结构,在原子尺度上研究低维材料及其界面结构的新物性,取得了系列创新性成果,主要包括: 1)实现了单根碳纳米管电输运性质和光学性质与手性指数对应关系的定量表征,合作获得了首张纳米管光学跃迁能量全谱。2)操纵并测量单根半导体纳米线电学、光学和光电性质,发现氧化锌纳米线弯曲形变可以调节其电学和光学性质,实验观测到纳米尺度下的光、力、电耦合现象,并具有显著的尺寸效应。3)在原子尺度观测表征离子输运与结构演变过程,原位实时揭示能源、环境和信息器件工作的微观机理,如观察到二氧化铈氧空位电迁移过程,发现二氧化铈受电场驱动发生还原的现象,提出电场辅助降低二氧化铈催化剂工作温度的新方法;原位成像锂离子电池材料电化学锂化的原子机制;以及电阻型存储器的工作机理等。上述工作在国际同行中有较高学术影响,应邀在美国秋季材料会议、美国真空大会、国际电镜会议等重要会议上多次做邀请报告。已授权9项发明专利,在Nature及其子刊/PRL/JACS/Adv. Mater./Nano Lett.等杂志上合作发表SCI论文150余篇,累计被引用超过8000次,论文被引用的H因子是45。
代表性论文及专利:
论文:
1)Feng Yang, Xiao Wang, Daqi Zhang, Juan Yang, Da Luo, Ziwei Xu, Jiake Wei, Jian-Qiang Wang, Zhi Xu, Fei Peng, Xuemei Li, Ruoming Li, Yilun Li, Meihui Li, Xuedong Bai, Feng Ding, and Yan Li, “Chirality-specific growth of single-walled carbon nanotubes on solid alloy catalysts”, Nature 510, 522 (2014).
2)Xuezeng Tian, Shize Yang, Min Zeng, Lifen Wang, Jiake Wei, Zhi Xu, Wenlong Wang, and Xuedong Bai, “Bipolar electrochemical mechanism for mass transfer in nanoionic resistive memories”, Adv. Mater. 26, 3649 (2014).
3)Lifen Wang, Zhi Xu, Wenlong Wang, and Xuedong Bai, “Atomic Mechanism of Dynamic Electrochemical Lithiation Processes”, J. Am. Chem. Soc. 136, 6693 (2014).
4)Kaihui Liu, Xiaoping Hong, Sangkook Choi, Chenhao Jin, Rodrigo B Capaz, Jihoon, Kim, Wenlong Wang, Xuedong, Bai, Steven G Louie, Enge, Wang, and Feng Wang, “Systematic determination of absolute absorption cross-section of individual carbon nanotubes”, Proc. Natl. Acad. Sci. USA 111, 7564 (2014).
5)Xiaoxia Yang, Zixuan Guan, Min Zeng, Jiake Wei, Wenlong Wang, and Xuedong Bai, “Facile Synthesis of Large-Area Ultrathin Hexagonal BN Films via Self-Limiting Growth at the Molten B2O3 Surface”, Small 9, 1353 (2013).
6)Kaihui Liu, Xiaoping Hong, Muhong Wu, Fajun Xiao, Wenlong Wang, Xuedong Bai, Joel W Ager, Shaul Aloni, Alex Zettl, Enge Wang, and Feng Wang, “Quantum-coupled radial-breathing oscillations in double-walled carbon nanotubes”, Nature Comm. 4, 1375 (2013).
7)Shize Yang , Lifen Wang , Xuezeng Tian , Zhi Xu , Wenlong Wang , Xuedong Bai , and Enge Wang, “Piezotronic effect of Zinc oxide nanowires studied by In Situ TEM”, Adv. Mater. 24, 4676 (2012).
8)Lifen Wang, Xuezeng Tian, Shize Yang, Zhi Xu, Wenlong Wang, and Xuedong Bai, “Dynamic nanomechanics of Zinc oxide nanowires”, Appl. Phys. Lett. 100, 163110 (2012).
9)Kaihui Liu, Jack Deslippe, Fajun Xiao, Rodrigo B. Capaz, Xiaoping Hong, Shaul Aloni, Alex Zettl1, WenlongWang, Xuedong Bai, Steven G. Louie, Enge Wang, and Feng Wang, “An atlas of carbon nanotube optical transitions”, Nature Nanotech. 7, 325 (2012).
10)Kaihui Liu, Wenlong Wang, Muhong Wu, Fajun Xiao, Xiaoping Hong, Shaul Aloni, Xuedong Bai, Enge Wang, and Feng Wang, “Intrinsic radial breathing oscillation in suspended single-walled carbon nanotubes”, Phys. Rev. B 83, 113404 (2011).
11)Xiaoxia Yang, Lei Liu, Muhong Wu, Wenlong Wang, Xuedong Bai, and Enge Wang, “Wet-chemistry-assisted nanotube-substitution reaction for high-efficiency and bulk-quantity synthesis of boron- and nitrogen- doped single-walled carbon nanotubes”, J. Am. Chem. Soc. 133, 13216 (2011).
12)Zhi Xu, Yoshio Bando, Lei Liu, Wenlong Wang, Xuedong Bai, and Dmitri Golberg , “Electrical Conductivity, Chemistry, and Bonding Alternations under Graphene Oxide to Graphene Transition As Revealed by In-Situ TEM”, ACS Nano 5, 4401 (2011).
13)Wangyang Fu, Shengyong Qin, Lei Liu, Tae-Hwan Kim, Sondra Hellstrom, Wenlong Wang, Wenjie Liang, Xuedong Bai, An-Ping Li, and Enge Wang, “Ferroelectric Gated Electrical Transport in CdS Nanotetrapods”, Nano Lett. 11, 1913 (2011).
14)Lei Liu, Yingli Zhang, Wenlong Wang, Changzhi Gu, Xuedong Bai, and Enge Wang, “Nanosphere lithography for fabrication of ultranarrow graphene nanoribbons and “on-chip” band-gap tuning of graphene”, Adv. Mater. 23, 1246 (2011).
15)Z. Xu, Y. Bando, W. L. Wang, X. D. Bai, and D. Golberg, “Real-Time In Situ HRTEM-Resolved Resistance Switching of Ag2S Nanoscale Ionic Conductor”, ACS Nano 4, 2515 (2010).
16)P. Gao, Z. C. Kang, W. Y. Fu, W. L. Wang, X. D. Bai, and E. G. Wang, “Electrically Driven Redox Process in Cerium Oxides”, J. Am. Chem. Soc. 132, 4197 (2010).
17)W. Y. Zhou, X. D. Bai, E. G. Wang, and S. S. Xie, “Synthesis, Structure, and Properties of Single-Walled Carbon Nanotubes”, Adv. Mater. 21, 4565 (2009).
18)K. H. Liu, W. L. Wang, Z. Xu, X. D. Bai, E. G. Wang, Y. G. Yao, J. Zhang, and Z. F. Liu, “Chirality-Dependent Transport Properties of Double-Walled Nanotubes Measured in Situ on Their Field-Effect Transistors”, J. Am. Chem. Soc. 131, 62 (2009).
19)W. Y. Fu, Z. Xu, X. D. Bai, C. Z. Gu, and E. G. Wang, “Intrinsic Memory Function of Carbon Nanotube-based Ferroelectric Field-Effect Transistor”, Nano Lett. 9, 921 (2009).
20)P. Gao, Z. Z. Wang, K. H. Liu, Z. Xu, W. L. Wang, X. D. Bai, and E. G. Wang, “Photoconducting response on bending of individual ZnO nanowires”, J. Mater. Chem. 19, 1002-1005 (2009).
专利:1)白雪冬等,“一种扫描探针显微镜探针驱动装置 ”,专利号:ZL200410070003.9。
2)白雪冬等,“原位微区结构分析与性质测试联合系统”,专利号:ZL200410070112.0。3)刘开辉等,“一种可用于性质测量的透射电子显微镜样品台转接头和配套用基片及基片的制作方法”,专利号:ZL200710179537.9。4)刘开辉等,“在透射电子显微镜中原位测量纳电子器件性质的样品台系统”,专利号:ZL200810055675.0。5)白雪冬等,“一种安装和操纵单个线形纳米材料的装置”,专利号:ZL200410069356.7。6)白雪冬等,“一种测量单个线形纳米材料杨氏模量的方法”,专利号:ZL200410069357.1。7)许智等,“透射电镜中扫描探针装置的双倾转样品台”,申请号:201210155033.4。8)许智等,“原位透射电镜光学测量系统”,申请号: 201210518692.X。9)杨是赜等,“一种在电透射镜中原位变温测量光谱的装置”,申请号:201310484579.9。10)杨是赜等,“一种微机械器件的载荷疲劳性能测试系统”,申请号:201410068708.0.目前的研究课题及展望:
主持国家重大科研装备研制项目、国家重大科学研究计划项目、基金委项目等,积极开展学术交流,与国际上知名课题组有较密切的合作关系。
培养研究生情况:
每年招收来自物理、材料或机械电子等专业的硕博连读生2名左右,欢迎有透射电镜工作背景的毕业生来读博士学位或做博士后。
电话:
010-82648032
Email:
xdbai@iphy.ac.cn