Lecturer of FUNSOM and CNST
Education and Work Experience:
2011.6-Present Lecturer of Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, China
2013.9-2014.8 Research Associate, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Japan
2008.7-2011.6 Ph.D. in Department of Physics, Nanjing University, China
Supervisors: Prof. Jiang Yin and Zhiguo Liu, Nanjing University
2006.9-2008.6 M.S. in Department of Physics, Nanjing University, China
Supervisor: Prof. Jiang Yin, Nanjing University
2002.9-2006.7 B.S. in Department of Physics, Qufu Normal University, China
Research Interests:
Device development and device physics in semiconductor devices, such as organic/inorganic/hybrid Field Effect Transistors, Nano-floating gate memories, and resistive memories.
Publications:
1. Xu Gao, Changhai Liu, Xiaojian She, Qinliang Li, Jie Liu, and Suidong Wang*,“Photon-energy-dependent light effects in organic nano-floating-gate nonvolatile memories”, Organic Electronics, vol.15, p.2486, 2014.
2. Xu Gao*, Shinya Aikawa, Nobuhiko Mitoma, Mengfang Lin, Takio Kizu, Toshihide Nabatame, and Kazuhito Tsukagoshi*, “Self-formed copper oxide contact interlayer for high-performance oxide thin film transistors”, Applied Physics Letters, vol.105, p.023503, 2014.
3. Xu Gao, Xiaojian She, Changhai Liu, Qijun Sun, Jie Liu, and Suidong Wang*,“Organic field-effect transistor nonvolatile memories based on hybrid nano-floating-gate”, Applied Physics Letters, vol.102, p.023303, 2013.
4. Xiaojian She, Changhai Liu, Qijun Sun, Xu Gao*, and Suidong Wang*,“Morphology control of tunneling dielectric towards high-performance organic field-effect transistor nonvolatile memory”, Organic Electronics, vol.13, p.1908, 2012.
5. Xu Gao, Yidong Xia*, Jianfeng Ji, Hanni Xu, Yi, Su, Haitao, Li, Chunjun Yang, Hongxuan Guo, Jiang Yin*, and Zhiguo Liu, “Effect of top electrode materials on bipolar resistive switching behavior of gallium oxide films”, Applied Physics Letters, vol.97, p.193501, 2010.
6. Xu Gao, Yidong, Xia, Bo Xu, Jizhou Kong, Hongxuan Guo, Kui Li, Haitao Li, Hanni Xu, Kai Chen, Jiang Yin*, and Zhiguo Liu*, “Unipolar resistive switching behaviors in amorphous lutetium oxide films”, Journal of Applied Physics, vol.108, p.074506, 2010.
7. Xu Gao, Hongxuan Guo, Yidong Xia, Jiang Yin*, and Zhiguo Liu, “Unipolar resistive switching characteristics in Co3O4 films”, Thin Solid Films, vol.519, p.450, 2010.
8. Xu Gao, Jiang Yin*, Yidong Xia, Kuibo Yin, Ligang Gao, Hongxuan Guo, and Zhiguo Liu, “The thermal stability and electrical properties of LaErO3 films as high-k gate dielectrics”, Journal of Physics D: Applied Physics, vol.41, p.235105, 2008.
9. Qijun Sun, Xu Gao, and Suidong Wang*, “Understanding temperature dependence of threshold voltage in pentacene thin film transistors”, Journal of Applied Physics, vol.113, p.194506, 2013.
10. Mengfang Lin*, Xu Gao, Nobuhiko Mitoma, Takio Kizu, Wei Ouyang, Shinya Aikawa, Toshihide Nabatame, and Kazuhito Tsukagoshi*, “Reduction of the interfacial trap density of indium-oxide thin film transistors by incorporation of hafnium and annealing process”, AIP Advances 5, p.017116, 2015.
11. Nobuhiko Mitoma*, Shinya Aikawa, Wei Ouyang, Xu Gao, Takio Kizu, Mengfang Lin, Akihiko Fujiwara, Toshihide Nabatame, and Kazuhito Tsukagoshi*, “Dopant selection for control of charge carrier density and mobility in amorphous indium oxide thin-film transistors: Comparison between Si- and W-dopants”, Applied Physics Letters, vol.106, p.042106, 2015.
12. Changhai Liu, Ruihua Liu, Qijun Sun, Jianbing Chang, Xu Gao, Yang Liu, Shuit Tong Lee*, Zhenhui Kang*, and Suidong Wang*, “Controlled synthesis and synergistic effect of graphene-supported PdAu bimetallic nanoparticles with tunable catalytic properties”, Nanoscale, vol.7, p. 6356, 2015.
13. Zequn Cui, Shun Wang, Jianmei Chen, Xu Gao, Bin Dong*, Lifeng Chi*, and Suidong Wang*, “Direct probing of electron and hole trapping into nano-floating-gate in organic field-effect transistor nonvolatile memories”, Applied Physics Letters, vol.106, p.123303, 2015.
14. Wenhua Chen, Changhai Liu, Qinliang Li, Qijun Sun, Jie Liu, Xu Gao, Xuhui Sun, and Suidong Wang*, “Intrinsic Ge nanowire nonvolatile memory based on a simple core–shell structure”, Nanotechnology, vol. 25, p.075201, 2014.
15. Nobuhiko Mitoma*, Shinya Aikawa, Xu Gao, Takio Kizu, Maki Shimizu, Mengfang Lin, Toshihide Nabatame, and Kazuhito Tsukagoshi*, “Stable amorphous In2O3-based thin-film transistors by incorporating SiO2 to suppress oxygen vacancies”, Applied Physics Letters, vol.104, p.102103, 2014.
16. Jie Liu, Changhai Liu, Xiaojian She, Qijun Sun, Xu Gao, and Suidong Wang*,“Organic field-effect transistor nonvolatile memories utilizing sputtered C nanoparticles as nano-floating-gate”, Applied Physics Letters, vol.105, p.163302, 2014.
17. Takio Kizu, Shinya Aikawa, Nobuhiko Mitoma, Maki Shimizu, Xu Gao, Mengfang Lin, Toshihide Nabatame, and Kazuhito Tsukagoshi*, “Low-temperature processable amorphous In-W-O thin-film transistors with high mobility and stability”, Applied Physics Letters, vol.104, p.152103, 2014.
18. Yan Lei, Yi Liu, Yidong Xia*, Xu Gao, Bo Xu, Suidong Wang, Jiang Yin, and Zhiguo Liu, “Memristive learning and memory functions in polyvinyl alcohol polymer memristors”, AIP Advances 4, p.077105, 2014.
19. Wei Ouyang*, Nobuhiko Mitoma, Takio Kizu, Xu Gao, Mengfang Lin, Toshihide Nabatame, and Kazuhito Tsukagoshi*, “Controllable film densification and interface flatness for high-performance amorphous indium oxide based thin film transistors”, Applied Physics Letters, vol.105, p.163503, 2014.
20. Jinpeng Yang, Qijun Sun, Keiichirou Yonezawa, Alexander Hinderhofer, Alexander Gerlach, Katharina Broch, Fabio Bussolotti, Xu Gao, Yanqing Li, Jianxin Tang, Frank Schreiber, Nobuo Ueno, Suidong Wang*, and Satoshi Kera*, “Interface optimization using diindenoperylene for C60 thin film transistors with high electron mobility and stability”, Organic Electronics, vol.15, p.2749, 2014.
21. Xiaojian She, Jie Liu, Jingyu Zhang, Xu Gao, and Suidong Wang*, “Operational stability enhancement of low-voltage organic Field-effect Transistors based on bilayer polymer dielectrics” Applied Physics Letters, vol. 103, p.133303, 2013.
22. Xiaojian She, Changhai Liu, Jingyu Zhang, Xu Gao, and Suidong Wang*,“Elucidation of ambient gas effects in organic nano-floating-gate nonvolatile memory”, Applied Physics Letters, vol. 102, p.053303, 2013.
23. Yan Yan, Qijun Sun, Xu Gao, Ping Deng, Qing Zhang*, and Suidong Wang*, “Probing bias stress effect and contact resistance in bilayer ambipolar organic field-effect transistors”, Applied Physics Letters, vol.103, p.073303, 2013.
24. Xiaojian She, Jie Liu, Jingyu Zhang, Xu Gao, and Suidong Wang*, “Spatial profile of charge storage in organic field-effect transistor nonvolatile memory using polymer electret”, Applied Physics Letters, vol.103, p.143302, 2013.
25. Changhai Liu, Xiaoqi Chen, Yongfeng Hu, Tsun Kong Sham, Qijun Sun, Jianbing Chang, Xu Gao, Xuhui Sun, and Suidong Wang*, “One-pot environmentally friendly approach toward highly catalytically active bimetal-nanoparticle-graphene hybrids”, ACS Applied Materials & Interfaces, vol.5, p.5072, 2013.
26. Baohua Mao, Changhai Liu, Xu Gao, Rui Chang, Zhi Liu*, and Suidong Wang*,“In situ characterization of catalytic activity of graphene stabilized small-sized Pd nanoparticles for CO oxidation”, Applied Surface Science, vol.283, p.1076, 2013.
27. Xinxin Wang, Jing Xiao, Xu Gao, Xiaohong Zhang, and Suidong Wang*, “Impact of compound doping on hole and electron balance in p-i-n Organic Light-emitting Diodes”, AIP Advances 3, p.102124, 2013.
28. Changhai Liu, Baohua Mao, Jing Gao, Suai Zhang, Xu Gao, Zhuang Liu, Suidong Wang*, Xuhui Sun, and Shuit Tong Lee, “Size-controllable self-assembly of metal nanoparticles on carbon nanostructures in room-temperature ionic liquids by simple sputtering deposition”,Carbon, vol.50, p.3008, 2012.
29. Jing Xiao, Xinxin Wang, Hong Zhu, Xu Gao, Zhaohua Yang, Xiaohong Zhang*, and Suidong Wang*, “Efficiency enhancement utilizing hybrid charge generation layer in tandem organic light-emitting diodes”, Applied Physics Letters, vol.101, p.013301, 2012.
30. Jing Xiao, Hong Zhu, Xinxin Wang, Xu Gao, Zhaohua Yang, Xiaohong Zhang*, and Suidong Wang*, “Space charge induced electroluminescence spectra shift in organic light-emitting diodes”, Journal of Applied Physics , vol.112, p.014513, 2012.
31. Kui Li, Yidong Xia*, Bo Xu, Xu Gao, Hongxuan Guo, Zhiguo Liu, and Jiang Yin,“Conduction behavior change in amorphous LaLuO3 dielectrics based on correlated barrier hopping theory”, Applied Physics Letters, vol.96, p.182904, 2010.
32. Xiaobing Yan, Yidong Xia, Hanni Xu, Xu Gao, Haitao Li, Run Li, Jiang. Yin, and Zhiguo Liu*, “Effects of the electroforming polarity on bipolar resistvie switching characteristics of SrTiO3-x films”, Applied Physics Letters, vol.97, p.112101, 2010.
Academic conferences:
1. Xu Gao, Kazuhito Tsukagoshi, and Suidong Wang, “Probing the effects of Self-formed Copper Oxide Contact Interlayer in Oxide Thin Film Transistors’’ (oral presentation), 6th International Conference on Computer Aided Design for Thin-Film Transistors, 2014, Nanjing.
2. Xu Gao, Yidong Xia, Jiang Yin, and Zhiguo Liu, “Investigation of unipolar resistive switching behaviors in amorphous lutetium oxide films”(oral presentation), Advances in Nonvolatile Memory Materials and Devices, sponsored by Engineering Conferences International (ECI), 2010, Suzhou.
3. Xu Gao, Jiang Yin, and Zhiguo Liu, “Unipolar resistive switching characteristics in Co3O4 films” (Poster), ChinaNANO 2009, 2009, Beijing.
4. Xu Gao,“The thermal stability and electrical properties of LaErO3 films as high-k gate dielectrics” (oral presentation)The 11th National Conference on Thin Solid Films, 2008, Hangzhou.
Patents
1. Suidong Wang, Changhai, Xu Gao, Xuhui Sun, and Shuit Tong Lee, “A method of Size-controllable self-assembly of metal nanoparticles on carbon nanostructures”,Chinese Patent, No. 2012100623107.
2. Jiang Yin, Xu Gao, Jianqiang Ren, and Zhiguo Liu, “A method of fabricating amphormous lutetium oxide films and its application in resistive switching memories”, Chinese Patent, No. 2009100348201.
3. Jiang Yin, Xu Gao, Jianfeng Ji, Yidong Xia, and Zhiguo Liu, “A method of fabricating Co3O4 films and its application in resistive switching memories”,Chinese Patent, No. 2009100259015.
4. Kui Li, Yidong Xia, Hongxuan Guo, Xu Gao, Jiang Yin, and Zhiguo Liu, “A method of fabricating amorphous LaLuO3 films and its application in resistive switching memories”, Chinese Patent, No. 200910184700X.
Edited by Groot