Personal Details

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Dr. ZHANG Zheng

Scientist II

Staff

Structural Materials (STR) Department

(+65) 64168974

zhangz@imre.a-star.edu.sg

2 Fusionopolis Way Innovis, #08-03, Singapore 138634


Research Details


  • Thick carbide and metallic coating deposition by thermal spray techniques, including plasma spray, high velocity oxy-fuel (HVOF) spray, cold spray
  • Mn+1AXn phase materials (Ti2AlN and Ti2AlC), their properties and applications;
  • Thermal stability of group-IV thin films (Si, Ge and Si1-xGex) and phase change materials (Ge2Sb2Te5) at high temperatures;
  • Growth of thin films (Ti2AlN and TiN) through DC magnetron sputtering;
  • Interfacial silicide/germanide reaction between metal (Ni, Co, etc) and group-IV semiconductors;
  • X-ray Photoelectron Spectroscopy (XPS)
  • Atomic Force Microscopy (AFM)
  • X-ray Diffraction (XRD)
  • 2018: Understanding the effect of pre-conditioning the material with heat on surface treatment outputs
  • 2018: Comparison of cold and thermal sprayed In718 coatings
  • 2017: Optimized cold spray coating deposition and validated process modeling for repair applications
  • 2017: Valleytronics
  • 2015: Impact of carbon nanotubes on wear resistant ceramic coating (chrome carbide and tungsten carbide)
  • 2014: Evaluation of high temperature MAX phase abradable coatings applied with thermal spray process
  • 2012: Development of abradable material for high temperature applications
  • 2008: Study of interfaces between phase-change material Germanium Antimonide Telluride (GST) and prevalent complementary-metal-oxide-semiconductor materials by photoemission spectroscopy
  • 2017 - Present   Scientist II, Dept. of Structural Materials (STR), IMRE
  • 2015 - 2017       Scientist II / Deputy Dept Head, Dept. of Materials Processing and Characterization (MPC), IMRE
  • 2013 - 2015    Scientist I/ Deputy Dept Head, SERC Nanofabrication and characterization (SNFC), IMRE
  • 2009 - 2013    Senior Specialist I, SNFC, IMRE
  • 2006 - 2009    Research Engineer, SNFC, IMRE
  • 2009   Ph.D, Dept. of Physics, National University of Singapore (NUS)
  • 2002   Bachelor of Engineering, Dept. of Materials Science and Engineering, Tongji University, Shanghai, P.R.China   
  • 2002 ~ 2006   IMRE Postgraduate Scholarship
  • 1999 ~ 2002   Tongji “Excellent Student” Scholarship
  • Project Management Professional (PMP)®
  • ISO Internal Quality Auditor
  • Member of American Vacuum Society (AVS)
  • Member of The Minerals, Metals & Materials Society (TMS)
  • Member of The American Ceramic Society (ACerS)

[1] Z. Zhang, D.M.Y. Lai, S.H. Lim, J. Chai, S. Wang, H. Jin, J. Pan, Isothermal oxidation of the Ti2AlC MAX phase coatings deposited by kerosene-fuelled HVOF spray, Corros. Sci., 138 (2018) 266-274.

[2] Z. Zhang, S.H. Lim, J. Chai, D.M.Y. Lai, P.C. Lim, A.K.H. Cheong, S.J. Wang, H. Jin, J.S. Pan, Kerosene-fuelled high velocity oxy-fuel (HVOF) spray of Ti2AlC MAX phase powders, J. Alloys Compd., 735 (2018) 377-385.

[3] Z. Zhang, S.H. Lim, D.M.Y. Lai, S.Y. Tan, X.Q. Koh, J. Chai, S.J. Wang, H. Jin, J.S. Pan, Probing the oxidation behavior of Ti2AlC MAX phase powders between 200 and 1000 °C, J. Eur. Ceram. Soc., 37 (2017) 43-51.

[4] Z. Zhang, S.H. Lim, J. Chai, D.M.Y. Lai, A.K.H. Cheong, K.L. Cheong, S.J. Wang, H. Jin, J.S. Pan, Plasma spray of Ti2AlC MAX phase powders: Effects of process parameters on coatings' properties, Surf. Coat. Technol., 325 (2017) 429-436.

[5] Z. Zhang, H. Jin, J. Chai, J. Pan, H.L. Seng, G.T.W. Goh, L.M. Wong, M.B. Sullivan, S.J. Wang, Temperature-dependent microstructural evolution of Ti2AlN thin films deposited by reactive magnetron sputtering, Appl. Surf. Sci., 368 (2016) 88-96.

[6] Z. Zhang, J. Chai, H. Jin, J. Pan, L.M. Wong, S.H. Lim, M.B. Sullivan, S.J. Wang, Oxidation of Single Crystalline Ti2AlN Thin Films between 300 and 900 °C: A Perspective from Surface Analysis, J. Phys. Chem. C, 120 (2016) 18520-18528.

[7] Z. Zhang, H. Jin, J. Pan, J. Chai, L.M. Wong, M.B. Sullivan, S.J. Wang, Origin of Al Deficient Ti2AlN and Pathways of Vacancy-Assisted Diffusion, J. Phys. Chem. C, 119 (2015) 16606-16613.

[8] Z. Zhang, H. Jin, J. Chai, L. Shen, H.L. Seng, J. Pan, L.M. Wong, M.B. Sullivan, S.J. Wang, Desorption of Al and Phase Transformation of Ti2AlN MAX Thin Film upon Annealing in Ultra-High-Vacuum, J. Phys. Chem. C, 118 (2014) 20927-20939.

[9] Z. Zhang, Y. Nie, L. Shen, J. Chai, J. Pan, L.M. Wong, M.B. Sullivan, H. Jin, S.J. Wang, Charge Distribution in the Single Crystalline Ti2AlN Thin Films Grown on MgO(111) Substrates, J. Phys. Chem. C, 117 (2013) 11656-11662.

[10] Z. Zhang, J. Lu, T. Yun, M. Zheng, J. Pan, C.H. Sow, E.S. Tok, Desorption of Ambient Gas Molecules and Phase Transformation of -Fe2O3 Nanostructures during Ultrahigh Vacuum Annealing, J. Phys. Chem. C, 117 (2013) 1509-1517.

[11] Z. Zhang, J.S. Pan, L.W.W. Fang, Y.C. Yeo, Y.L. Foo, R. Zhao, L.P. Shi, E.S. Tok, Temperature-dependent Phase Separation During Annealing of Ge2Sb2Te5 Thin Films in Vacuum, Appl. Surf. Sci., 258 (2012) 6075-6079.

[12] Z. Zhang, J.S. Pan, J.W. Chai, J. Zhang, E.S. Tok, Evidence for the interfacial reaction between Ni adatoms and H-Si(001) surface, Surf. Sci., 605 (2011) 1852-1860.

[13] Z. Zhang, J.S. Pan, J. Zhang, E.S. Tok, Kinetics of Ge Diffusion, Desorption and Pit Formation Dynamics During Annealing of Si0.8Ge0.2/Si(001) Virtual Substrates, Phys. Chem. Chem. Phys., 12 (2010) 7171-7183.

[14] Z. Zhang, J. Pan, Y.L. Foo, L.W.-W. Fang, Y.-C. Yeo, R. Zhao, L. Shi, T.-C. Chong, Effective method for preparation of oxide-free Ge2Sb2Te5 surface: An X-ray photoelectron spectroscopy study, Appl. Surf. Sci., 256 (2010) 7696-7699.

 
 

Last updated on : 27 Nov 2018 02:50 PM