张宇
联系方式:
Email:[email protected]
Tel:020-84110916
电子与信息工程学院教授,博士生导师。国家光电材料与技术重点实验室固定研究人员、广东省显示材料与技术重点实验室“微纳结构电子光子与器件研究团队”固定研究人员。
研究方向包括:真空纳微电子器件,场发射冷阴极电子器件,微波太赫兹波辐射源器件,微波集成电路,电子束光刻电子源,一维二维纳米电子材料与器件等。
招生专业:电子科学与技术,微电子与固体电子学,集成电路。欢迎微电、光电、微波与电磁波、电子信息、材料、物理等专业方向的同学前来报读。
本课题组招生名额充足,欢迎报读硕士、博士研究生,欢迎本科生参加科研训练!
教育经历
1999-2003, 中山大学理工学院,物理学微电子,本科
2003-2008,中山大学理工学院,凝聚态物理,博士
2015-2016,美国加州大学洛杉矶分校,二维原子晶体,访问学者
授课课程
1,本科课程:
半导体微加工技术,半导体微加工工艺实验,光电器件集成技术,光电器件制造工程技术,普通物理,高级物理实验
2,研究生课程:
集成电路制造技术,微纳电子器件及集成技术,场发射专门实验
研究方向
1,真空纳微电子器件,场发射冷阴极电子器件
2,微波太赫兹波辐射源器件,微波集成电路
3,冷阴极电子源的应用,包括电子束光刻、电子中和器、电子枪等
4,一维二维纳米材料材料与器件研究 (石墨烯,碳纳米管,二维晶体)
科研项目
1,国家自然科学基金面上项目,面向并行电子束光刻装备的大电流碳基纳米冷阴极电子枪,主持人。
2,国家自然科学基金面上项目,石墨烯冷阴极大电流场发射损伤机制的微观原位研究,主持人。
3,国家自然科学基金面上项目,基于石墨烯冷阴极的太赫兹微型谐振腔倍频器研究,主持人。
4,国家自然科学基金青年项目,石墨烯定向可控生长、场发射电子相干性及机理探索,主持人。
5,广东省自然科学基金,石墨烯冷阴极大电流场发射的破损微观机制研究,主持人。
6,广州市科技计划项目科学研究专项,微波直接驱动的石墨烯冷阴极场发射电子源研究,主持人。
7,国家重大科学研究计划(973计划),高电流密度大电流纳米冷阴极及其应用基础研究,学术骨干、第一参加者。
8,国家自然科学基金重大项目,二维原子晶体材料的光电特性与新原理器件探索,学术骨干、第二参加者。
9,国家自然科学基金-广东联合基金重点项目,微波和太赫兹波器件用的纳米冷阴极研究及器件特性探索,学术骨干、第一参加者。
代表性科研成果
发表SCI论文69篇,国际会议论文31篇,申请国家发明专利8项,其中6项已获授权。代表性论文目录如下:
1, Tianzeng Hong, Runze Zhan, Yu Zhang* and Shaozhi Deng, High Crystallinity Vertical Few-Layer Graphene Grown Using Template Method Assisted ICPCVD Approach. Nanomaterials, 12, 3746 (2022).
2, Hong Tianzeng, Guo Chan, Yu Zhang* , Zhan Runze, Zhao Peng, Li Baohong, Deng Shaozhi*. Effects of Substrates on Nucleation, Growth and Electrical Property of Vertical Few-Layer Graphene. Nanomaterials, 12(6): 971 (2022).
3, Li Jiupeng, Zhang Yu, Ke Yanlin, Li Baohong, and Deng Shaozhi*. A Cold Cathode Electron Gun Using Convex Carbon Nanotube Emitter[J]. IEEE Transactions on Electron Devices, 69(3): 1457-1460 (2022).
4, Tang, S., Zhang, Y.*, Zhao, P., Zhan, R., Chen, J., & Deng, S.* Realizing the large current field emission characteristics of single vertical few-layer graphene by constructing a lateral graphite heat dissipation interface. Nanoscale, 13(10), 5234-5242. (2021). COVER PAPER
5, Liu Liwei, Xu Ning Sheng, Ke Yanlin, Chen Huanjun, Zhang Yu, Deng Shaozhi*. Sensing by Surface Work Function Modulation: High Performance Gas Sensing using van der Waals Stacked Bipolar Junction Transistor. Sensors and Actuators B: Chemical, 345: 130340 (2021).
6, Shuai Tang, Shaozhi Deng, Peng Zhao, Runze Zhan, Jun Chen, and Yu Zhang*, Self-Optimizing Effect of a Few-Layer Graphene’s Top-Edge Structure during Field Electron Emission Observed by In Situ TEM, ACS Appl. Mater. Interfaces 12, 14, 16815-16821 (2020).
7, Yu Zhang, Yuanming Tan, Lizhou Wang, Baohong Li, Yanlin Ke, Meixiang Liao, Ningsheng Xu, Jun Chen, Shaozhi Deng*, Electron emission and structure stability of carbon nanotube cold cathode driven by millisecond pulsed voltage, Vacuum, 172, 109071 (2020).
8, Yu Zhang*, Jingwei Xiao, Xi Xie, Huanjun Chen, Shaozhi Deng, Layer dependence of the photoelectrochemical performance of a WSe2 photocathode characterized using in situ microscale measurements, RSC Adv., 9, 30925-30931 (2019).
9, Shuai Tang, Yu Zhang*, Ningsheng Xu, Peng Zhao, Runze Zhan, Jun Chen, Shaozhi Deng*, Structure stability of few-layer graphene under high electric field, Carbon, 144, 202-205 (2019).
10, Zhenkun Liu, Yu Zhang*, Peng Zhao, Yuan Ye, Jun Chen, Ningsheng Xu, Shaozhi Deng, In situ study of field emission vacuum breakdown of individual multi-wall carbon nanotube, Micro & Nano Letters, 14 (2), 206-210, (2019).
11, Shuang Huang, Gen He, Cheng Yang, Jiangming Wu, Chan Guo, Tian Hang, Baohong Li, Chengduan Yang, Di Liu, Hui-Jiuan Chen, Qianni Wu, Xuchun Gui, Shaozhi Deng, Yu Zhang,* Fanmao Liu,* and Xi Xie*, Stretchable Strain Vector Sensor Based on Parallelly Aligned Vertical Graphene, ACS Appl. Mater. Interfaces, 11, 1294-1302, (2019).
12, Tian Hang, Shuai Xiao, Cheng Yang, Xiangling Li, Chan Guo, Gen He, Baohong Li, Chengduan Yang, Hui-jiuan Chen, Fanmao Liu, Shaozhi Deng, Yu Zhang*, Xi Xie*, Hierarchical graphene/nanorods-based H2O2 electrochemical sensor with self-cleaning and anti-biofouling properties, Sensors & Actuators: B. Chemical, 289, 15–23 (2019).
13, Liwei Liu, Ningsheng Xu, Yu Zhang, Peng Zhao, Huanjun Chen, and Shaozhi Deng*, Van der Waals Bipolar Junction Transistor Using Vertically Stacked Two-Dimensional Atomic Crystals, Adv. Funct. Mater. (ISSN: 1616-301X) 29, 1807893 (2019).
14, Jingwei Xiao, Yu Zhang*, Huanjun Chen, Ningsheng Xu, Shaozhi Deng, Enhanced Performance of a Monolayer MoS2/WSe2 Heterojunction as a Photoelectrochemical Cathode, Nano-Micro Lett. (ISSN: 2311-6706) 10: 60, 1-9 (2018)
15, Yang Xing+, Yu Zhang+, Ningsheng Xu, Haijie Huang, Yanlin Ke, Baohong Li, Jun Chen , Juncong She, and Shaozhi Deng*, Design and Realization of Microwave Frequency Multiplier Based on Field Emission From Carbon Nanotubes Cold-Cathode, IEEE Trans. on Electron Devices (ISSN:0018-9383), 65, 3, 1146-1150, (2018).
16, Shuai Tang, Yu Zhang*, Ningsheng Xu, Runze Zhan, Li Gong, Peng Zhao, Jian Chen, Chaolun Liang, Jun Chen, Juncong She, Shaozhi Deng*, In situ study of graphene crystallinity effect on field electron emission characteristics. Journal of Vacuum Science & Technology B (ISSN:1071-1023), 35(2): 02C107 (2017).
17, Shuai Tang+, Yu Zhang+, Ningsheng Xu, Peng Zhao, Runze Zhan, Juncong She, Jun Chen, Shaozhi Deng*. Pinhole evolution of few-layer graphene during electron tunneling and electron transport. Carbon (ISSN:0008-6223), 139, 688-694 (2017).
18, Shuai Tang, Yu Zhang*, Yan Tian, Shunyu Jin, Peng Zhao, Fei Liu, Runze Zhan, Shaozhi Deng, Jun Chen, Ningsheng Xu. A two-dimensional structure graphene STM tips fabricated by microwave plasma enhanced chemical vapor deposition. Carbon (ISSN:0008-6223), 121, 337-342 (2017).
19, Yu Zhang, Qionghui Zou, S. H. Hsu, S. Raina, Yuxi Xu, J. B. Kang, Jun Chen, Shaozhi Deng*, Ningsheng Xu, W. P. Kang*. Morphology effect of vertical graphene on the high performance of supercapacitor electrode. ACS Applied Materials & Interfaces (ISSN:1944-8244), 8(11): 7363-7369 (2016). (他引33次)
20, Huanhuan Pan, Xiujuan Zhang*, Yang Yang, Zhibin Shao, Wei Deng, Ke Ding, Yu Zhang*, Jiansheng Jie*. Patterned growth of single-crystal 3, 4, 9, 10-perylenetetracarboxylic dianhydride nanowire arrays for field-emission and optoelectronic devices. Nanotechnology (ISSN:0957-4484), 26(29): 295302 (2015).
21, Yu Zhang, Deng, Deliu, Zhu, Lijun, Deng, Shaozhi*, Chen, Jun, Xu, Ningsheng, Pulse Field Emission Characteristics of Vertical Few-Layer Graphene Cold Cathode, IEEE Trans. on Electron Devices (ISSN:0018-9383), 61, 6, 1771-1775, (2014).
22, Yu Zhang, S.Z. Deng*, J.L. Du, X.Y. Lai, J. Chen and N.S. Xu, Effects of Pulsewidth and Area of Carbon Nanotube Films on Their Pulsed Field Emission Characteristics, IEEE Trans. on Electron Devices (ISSN:0018-9383), 60, 8, 2677-2681, (2013).
23, Yu Zhang, S. Tang, D.L. Deng, S.Z. Deng*, J. Chen and N.S. Xu, Growth direction manipulation of few-layer graphene in the vertical plane with parallel arrangement, Carbon (ISSN:0008-6223), 56, 103–108, (2013).
24, Yu Zhang, J. Du, S. Tang, P. Liu, S.Z. Deng*, J. Chen and N.S. Xu, Optimize the field emission character of a vertical few-layer graphene sheet by manipulating the morphology, Nanotechnology, 23,015202 (2012). (Physics World杂志评价本工作是“20个石墨烯的潜在应用之一”“20 things you can do with graphene”)
25, Yu Zhang, M.X. Liao, S.Z. Deng*, Jun Chen, and N.S. Xu, In-situ oxygen-assisted field emission treatment for improving the uniformity of carbon nanotube pixel arrays and the underlying mechanism, Carbon, 49,3299-3306 (2011).
26, Yu Zhang, J.H. Xu, J.L. Du, S.Z. Deng*, N.S. Xu, Jun Chen, The Effect of Amorphous Carbon Layer on the Field Emission Characteristics of Carbon Nanotube Film, Ultramicrosocpy, 111,426-430 (2011).
主要国际会议口头/邀请报告
1,2019.07 25rd International Vacuum Nanoelectronics Conference, Cincinnati, USA, Oral presentation
2,2016.08 中国真空电子学分会2016年学术年会,邀请报告
3,2014.11 中国真空学会2014学术年会,邀请报告
4,2013.05 14th International Vacuum Electronics Conference, Paris, France,Oral presentation
5,2012.07 25rd International Vacuum Nanoelectronics Conference, Jiju Island, Korea. Oral presentation
6,2011.07 24rd International Vacuum Nanoelectronics Conference, Wuppertal, Germany. Oral presentation
7,2009.10 11th Asia Symposium on Information Display, Guangzhou. Invited Report.
学术服务
担任《真空电子技术》青年编委,担任多个SCI期刊审稿人,包括:IEEE TED, Small, Carbon, Diomand& Related Materials, Applied Surface Science, Nanomaterials, Micromachine, Chemistry of Materials, Nanotechnology,Journal of Physics D: Applied Physics,Materials Research Express,Nano 等.