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Dr. Hongzhou Zhang

Associate Professor (Physics)

Dr Hongzhou Zhang received a BSc degree and an MSc degree in physics from Peking University (China) and a PhD in applied physics from Rice University (USA). From 2002 to 2004 he had a post-doctoral position at the National Laboratory of Mesoscopic Physics and Electron Microscopy (Peking University, China), where he conducted research into the application of electron microscopy to one-dimensional nanostructures. In 2004 he became a research fellow of the Electronic Materials Engineering Department at the Australian National University (Australia). During this period, he synthesized and characterized BN nanostructures. In 2009 he moved to Dublin and joined CRANN as a Principal Investigator and holds a Stokes Lecturer position in the School of Physics, Trinity College Dublin
  Applied physics   Crystallography   ELECTRON ENERGY LOSS SPECTROSCOPY   Electron Microscopy   Helium Ion Microscopy   Materials Sciences   MICROSCOPY   Nanotechnology   Solid State Physics   Surface Physics   Ultrafine Microstructure   Ultramicroscopy
 Helium ion microscopy for graphene devices

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American Vacuum Society
American Microscopy Society
Microscopical Society of Ireland
Insitute of Physics
Jadwiszczak, J. and Kelly, D.J. and Guo, J. and Zhou, Y. and Zhang, H., Plasma Treatment of Ultrathin Layered Semiconductors for Electronic Device Applications, ACS Applied Electronic Materials, 3, (4), 2021, p1505-1529 , Notes: [cited By 0], Journal Article, PUBLISHED  DOI
Dost, R. and Zhou, Y. and Zhang, H. and Allwood, D.A. and Inkson, B.J., Effect of annealing on the electrical and magnetic properties of electrodeposited Ni and permalloy nanowires, Journal of Magnetism and Magnetic Materials, 499, (166276), 2020, Notes: [cited By 5], Journal Article, PUBLISHED  DOI
Jadwiszczak, J. and Maguire, P. and Cullen, C.P. and Duesberg, G.S. and Zhang, H., Effect of localized helium ion irradiation on the performance of synthetic monolayer MoS2 field-effect transistors, Beilstein Journal of Nanotechnology, 11, 2020, p1329-1335 , Notes: [cited By 0], Journal Article, PUBLISHED  DOI
Jadwiszczak, J. and Li, G. and Cullen, C.P. and Wang, J.J. and Maguire, P. and Duesberg, G.S. and Lunney, J.G. and Zhang, H., Photoresponsivity enhancement in monolayer MoS2 by rapid O2:Ar plasma treatment, Applied Physics Letters, 114, (9), 2019, Notes: [cited By 0], Journal Article, PUBLISHED  TARA - Full Text  DOI
Maguire, P. and Downing, C. and Jadwiszczak, J. and O'Brien, M and Keane, D. and McManus, J. B. and Duesberg, G. S and Nicolosi, V. and McEvoy, N. and Zhang, H., Suppression of the Shear Raman Mode in Defective Bilayer MoS$_2$, Journal of Applied Physics, 125, (6), 2019, p064305 , Journal Article, PUBLISHED  TARA - Full Text  DOI
Jadwiszczak, J. and Keane, D. and Maguire, P. and Cullen, C.P. and Zhou, Y. and Song, H. and Downing, C. and Fox, D. and McEvoy, N. and Zhu, R. and Xu, J. and Duesberg, G.S. and Liao, Z.-M. and Boland, J.J. and Zhang, H., MoS2 Memtransistors Fabricated by Localized Helium Ion Beam Irradiation, ACS Nano, 13, (12), 2019, p14262-14273 , Notes: [cited By 23], Journal Article, PUBLISHED  DOI
Wang, K. and Zhang, X. and Kislyakov, I.M. and Dong, N. and Zhang, S. and Wang, G. and Fan, J. and Zou, X. and Du, J. and Leng, Y. and Zhao, Q. and Wu, K. and Chen, J. and Baesman, S.M. and Liao, K.-S. and Maharjan, S. and Zhang, H. and Zhang, L. and Curran, S.A. and Oremland, R.S. and Blau, W.J. and Wang, J., Bacterially synthesized tellurium nanostructures for broadband ultrafast nonlinear optical applications, Nature Communications, 10, (1), 2019, Notes: [cited By 0], Journal Article, PUBLISHED  TARA - Full Text  DOI
Maguire, P. and Jadwiszczak, J. and O'Brien, M. and Keane, D. and Duesberg, G.S. and McEvoy, N. and Zhang, H., Defect-moderated oxidative etching of MoS2, Journal of Applied Physics, 126, (16), 2019, Notes: [cited By 1], Journal Article, PUBLISHED  TARA - Full Text  DOI
Hui, F. and Wang, C. and Chen, Y. and Zhou, J. and Maguire, P. and Zhang, H., Defects promoted topotactic transformation from Co(OH)2 nanodiscs to Co3O4 nano octahedra, Medziagotyra, 25, (3), 2019, p335-339 , Notes: [cited By 0], Journal Article, PUBLISHED  DOI
Chen, Y. and Zhang, H. and Liu, X. and Li, Y.X. and Deng, W. and Ren, Y. and Wu, S.Z., Effects of modified posteromedial approach combined raft technique for posterior Pilon fractures with collapsed articular surface, Zhonghua yi xue za zhi, 99, (21), 2019, p1631-1635 , Notes: [cited By 0], Journal Article, PUBLISHED  DOI

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Award Date
Stokes Award 2009
SFI PI 2012
Our primary research at Trinity focuses on developing and utilizing ultramicroscopy methodologies such as helion-ion microscopy and electron micrscopy. Specifically, our current research includes electron/helium ion diffraction and imaging, structural defects of magnetic and electronic materials(e.g., interfaces, domain/grain boundaries, stacking faults,...), in-situ microscopy, and e-beam/ion beam etching/depositoin/lithography. The major object is to further understand the interaction between electron/helium ion beam with materials and thus to develop methodologies for material characterization and manipulation. Our research also includes the study of the growth-structure-property relationship of nanostructures by employing ultramicroscopy techniques. This covers the synthesis of nanoscaled crystals, advanced nanoscale composition and structure analysis (scanning electron microscopy, transmission electron microscopy, and electron energy loss spectroscopy etc.), luminescence of nanostructures, and field emission of nanostructures. We have a special interest in experimental study of doping of one-dimensional nanomaterials, in-situ observation of dopant migration and its significance for fabrication and application of novel nanodevices.