ntulogo_15Jun05

School of Mechanical & Aerospace Engineering

 

Teaching

Research

Publication

Vacancy

Enquiry

 

 

 

Dr. LIU Erjia

Associate Professor

 


Office: N3.2-01-18
Tel: +65-6790 5504
Fax: +65-6792 4062
Email:
mejliu@ntu.edu.sg

http://www.ntu.edu.sg/home/MEJLiu

mypic


 

Teaching

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Research

Research Interests:

Thin films & coatings; Carbon materials; Nanocomposite; Surface & interface; Nanotribology; Nanomechanics; Electrochemistry.

Research Projects (on-going):

1)    A*STAR SERC-TBA: High Temperature and High Quality Extrusion of Silica Preforms, S$999,150, 2012-2015, Co-PI.

2)    Rolls-Royce@NTU Corporate Lab: RP3 Repair Technologies, 2013-2018, PI.

 

Group Members:

Ph.D. Students:

Miss Lee Pui Mun – Graphene electrode for detection of high priority trace heavy metals in aqueous solutions

Miss Wang Jingxian

Mr. Fu Qitao

FYP Students:

Miss You Anan

Mr. Tay Lian Joo

Mr. Vignesh Rajbabu

Mr. How Ka Zyn

Mr. Kok Wei Jie Alvin

Mr. Toh Wei Quan

Mr. Yeo Kai Xiang

Mr. Yusmar Bin Yusof

Mr. Chen Wei

Past Group Members:

Research Staff:

Mr. Dinesh Krishna Mohan

Dr. Ding Chunhua

Dr. Gao Jianxia

Dr. Guo Hongwei

Dr. Liu Aiping

Mr. Ma Wenguang

Dr. Sun Yuhong

Dr. Wang Huili

Dr. Xu Daqing

Dr. Yang Guocheng

Graduate Students:

Dr. Alireza Babaei

Ms. Ang Bee Ling

Mr. Ang Kian Kok, Jason

Dr. Biswajit Saha

Mr. Chan Nai Hong

Ms. Chen Min

Dr. Chen Xinbing

Mr. Chia Jengwe

Mr. Dinesh Krishna Mohan

Dr. Ding Yinfeng

Mr. Jain Mukul

Mr. Jason Wong

Dr. Khun Nay Win

Mr. Kong Kin Chung

Mr. Kyaw Kyaw Khine

Mr. Li Jinfen

Mr. Lin Tianzhi

Ms. Liu Lixiang

Mr. Myo Minn Aung

Mr. Nyi Nyi Htwe

Ms. Po Po Nyein

Mr. Ramasamy Lakshmi Narayanan

Mr. Tan Kok Song

Mr. Thangavel Vijayavel

Mr. Thet Naung Win

Dr. Wang Zhaomeng

Mr. Win Myint Oo

Mr. Win Bo

Mr. Wong Yuan Heng

Dr. Zeng Aiping

Dr. Zhao Xing

Ms. Zhou Ji

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Selected Publications

•        Z.M. Wang, L. Li, E. Liu, “Graphene ultrathin film electrodes modified with bismuth nanoparticles and polyaniline porous layers for detection of lead and cadmium ions in acetate buffer solutions”, Thin Solid Films 544 (2013) 362–367.

•        Z.M. Wang, P.M. Lee, E. Liu, “Graphene thin film electrodes synthesized by thermally treating co-sputtered nickel-carbon mixed layers for detection of trace lead, cadmium and copper ions in acetate buffer solutions”, Thin Solid Films 544 (2013) 341–347.

•        B. Saha, M. Dirckx, D.E. Hardt, S.B. Tor, E. Liu, J.H. Chun, “Effect of sputtering power on friction coefficient and surface energy of co-sputtered titanium and molybdenum disulfide coatings and its performance in micro hot-embossing”, Microsystem Technologies-Micro-and Nanosystems-Information Storage and Processing Systems (2013) (in press)

•        N.W. Khun and E. Liu, “Thermal, mechanical and tribological properties of polycarbonate/acrylonitrile-butadiene-styrene blends”, Journal of Polymer Engineering (2013) (in press)

•        L.N. Yan, Y. Liu, E. Liu, “Wear behaviour of martensitic NiTi shape memory alloy under ball-on-disk sliding tests”, Tribology International 66 (2013) 219–224.

•        G.C. Yang, B. Zheng, Q. Yu, L. Wang, M.M. Shao, H. Jiang, L.S. Wang, Z.B. Zhao, and E. Liu, “4-Aminobenzylphosphonic Acid-Modified Glassy Carbon Electrode for Electrochemically Sensing Paracetamol”, Nanoscience and Nanotechnology Letters 5 (2013) 690-693.

•        Z.M. Wang and E. Liu, “Graphene ultrathin film electrode for detection of lead ions in acetate buffer solution”, Talanta 103 (2013) 47-55.

•        N.W. Khun, H. Zhang, J.L. Yang, and E. Liu, “Tribological performance of silicone composite coatings filled with wax-containing microcapsules”, Wear 296 (2012) 575-582 

•        A. Babaei, L. Zhang, E. Liu, and S.P. Jiang “Performance and carbon deposition over Pd nanoparticle catalyst promoted Ni/GDC anode of SOFCs in methane, methanol and ethanol fuels”, International Journal of Hydrogen Energy 37 (2012) 15301-15310.

•        T. Wu, Y. Pan, E. Liu, and L. Li, “Carbon nanotube/polypropylene composite particles for microwave welding”, Journal of Applied Polymer Science 126 (2012) E283-E289.

•        N.W. Khun and E. Liu, “Tribological Behavior of Polyurethane Immersed in Acidic Solution”, Tribology Transactions 55 (2012) 401-408.

•        B. Saha, S.B. Tor, E. Liu, D.E. Hardt, and J.H. Chun, “Titanium-aluminum-polytetrafluoroethylene coated stainless steel micromold via co-sputtering deposition: Replication performance and limitation in hot-embossing”, Sensors and Actuators B-Chemical 163 (2012) 290-298.

•        X. Zhao, E. Liu, R.V. Ramanujan, and Jingsheng Chen, “Effects of rapid thermal annealing on structural, magnetic and optical properties of Ni-doped ZnO thin films”, Current Applied Physics, 12 (2012) 834-840.

•        B. Saha, S.B. Tor, E. Liu, D.E. Hardt, and J.H. Chun, “Hot-embossing performance of silicon micromold coated with self-assembled n-octadecyltrichlorosilane”, Sensors and Actuators B-Chemical 160 (2011) 207– 214.

•        N.W. Khun and E. Liu, “Investigation of corrosion behavior of nitrogen doped and platinum/ruthenium doped diamond-like carbon thin films in Hank's solution”, Materials Science & Engineering C-Materials for Biological Applications 31 (2011) 1539–1544.

•        B. Saha, E. Liu, S.B. Tor, D.E. Hardt, and J.H. Chun, “Modification of surface properties of silicon micro-molds by nitrogen and silicon doped diamond-like carbon coatings deposited with magnetron co-sputtering”, Vacuum 85 (2011) 1105-1107.

•        Z.M. Wang, E. Liu, D.H. Gu, and Y.S. Wang, “Glassy carbon electrode coated with polyaniline-functionalized carbon nanotubes for detection of trace lead in acetate solution”, Thin Solid Films 519 (2011) 5280-5284.

•        Z.M. Wang, E. Liu, and X. Zhao, “Glassy carbon electrode modified by conductive polyaniline coating for determination of trace lead and cadmium ions in acetate buffer solution”, Thin Solid Films 519 (2011) 5285-5289.

•        N.W. Khun and E. Liu, “Effect of Sputtering Power on Structure, Adhesion Strength and Corrosion Resistance of Nitrogen Doped Diamond-Like Carbon Thin Films”, Journal of Nanoscience and Nanotechnology 11 (2011) 5292-5298.

•        N.W. Khun and E. Liu, “Effect of Working Pressure on Corrosion Behavior of Nitrogen Doped Diamond-Like Carbon Thin Films Deposited by DC Magnetron Sputtering”, Journal of Nanoscience and Nanotechnology 11 (2011) 5305-5310.

•        A. Babaei, L. Zhang, E. Liu, and S.P. Jiang, “Performance and stability of La0.8Sr0.2MnO3 cathode promoted with palladium based catalysts in solid oxide fuel cells”, Journal of Alloys and Compounds 509 (2011) 4781–4787

•        X.B. Chen, L. Zhang, E. Liu, and S.P. Jiang, “A fundamental study of chromium deposition and poisoning at (La0.8Sr0.2)0.95(Mn1-xCox)Od (0.0£x£1.0) cathodes of solid oxide fuel cells”, International Journal of Hydrogen Energy 36 (2011) 805-821.

•        N.W. Khun and E. Liu, “Investigation of structure, adhesion strength, wear performance and corrosion behavior of platinum/ruthenium/nitrogen doped diamond-like carbon thin films with respect to film thickness”, Materials Chemistry and Physics 126 (2011) 220-226.

•        A.P. Liu, E. Liu, N.W. Khun, G.C. Yang, and W.G. Ma, “Non-enzymatic glucose detection using nitrogen-doped diamond-like carbon electrodes modified with gold nanoclusters”, Pure and Applied Chemistry 82(11) (2010) 2217-2229.

•        N.W. Khun and E. Liu, “Nitrogen-induced Degradation of Corrosion Resistance of Platinum/ruthenium/nitrogen doped Diamond-like Carbon Thin Films”, Journal of The Electrochemical Society 157 (2010) C269-C274.

•        N.W. Khun and E. Liu, “Influence of carbon sputtering power on structure, corrosion resistance, adhesion strength and wear resistance of platinum/ruthenium/nitrogen doped diamond-like carbon thin films”, Surface & Coatings Technology 205 (2010) 853–860.

•        B. Saha, E. Liu, S.B. Tor, N.W. Khun, D.E. Hardt, and J.H. Chun, “Improvement in lifetime and replication quality of Si micromold using N:DLC:Ni coatings for microfluidic devices”, Sensors and Actuators B-Chemical 150 (2010) 174–182..

•        N.W. Khun and E. Liu, “Corrosion Behavior of Aluminum Doped Diamond-Like Carbon Thin Films in NaCl Aqueous Solution”, Journal of Nanoscience and Nanotechnology 10 (2010) 4767-4772.

•        N.W. Khun, E. Liu, M.D. Krishna, “Structure, Adhesive Strength and Electrochemical Performance of Nitrogen Doped Diamond-Like Carbon Thin Films Deposited via DC Magnetron Sputtering”, Journal of Nanoscience and Nanotechnology 10 (2010) 4752-4757.

•        Y. Liu, R.V. Ramanujan, Z.W. Liu, C.Y. Tan, Xing Zhao, E. Liu, C.K. Ong, “The high frequency magnetic properties of self-assembled Fe–Co–Si–N nanogranular thin films”, Applied Physics A-Materials Science & Processing 100 (2010) 257–263.

•        N.W. Khun and E. Liu, “Enhancement of adhesion strength and corrosion resistance of nitrogen or platinum/ruthenium/nitrogen doped diamond-like carbon thin films by platinum/ruthenium underlayer”, Diamond and Related Materials 19 (2010) 1065–1072.

•        N.W. Khun, E. Liu, and G.C. Yang, “Structure, scratch resistance and corrosion performance of nickel doped diamond-like carbon thin films”, Surface & Coatings Technology 204 (2010) 3125–3130.

•        B. Saha, E. Liu, S.B. Tor, N.W. Khun, D.E. Hardt, and J.H. Chun, “Replication performance of Si-N-DLC-coated Si micro-molds in micro-hot-embossing”, Journal of Micromechanics and Microengineering 20 (2010) 045007.

•        N.W. Khun and E. Liu, “Stripping voltammetric behavior of nitrogen doped tetrahedral amorphous carbon thin film electrodes in NaCl solutions”, Thin Solid Films 518 (2010) 4003–4009.

•        A.P. Liu, W.J. Dong, E. Liu, W.H. Tang, J.Q. Zhu, J.C. Han, “Non-enzymatic hydrogen peroxide detection using gold nanoclusters-modified phosphorus incorporated tetrahedral amorphous carbon electrodes”, Electrochimica Acta 55 (2010) 1971–1977.

•        Z.M. Wang, H.W. Guo, E. Liu, G.C. Yang, N.W. Khun, “Bismuth/polyaniline/glassy carbon electrodes prepared with different protocols for stripping voltammetric determination of trace Cd and Pb in solutions having surfactants”, Electroanalysis 22 (2010) 209-215.

•        N.W. Khun and E. Liu, “Effect of Platinum and Ruthenium Incorporation on Voltammetric Behavior of Nitrogen Doped Diamond-Like Carbon Thin Films”, Electroanalysis 21 (2009) 2590 – 2596.

•        B. Saha, E. Liu, S.B. Tor, D.E. Hardt, and J.H. Chun, “Anti-sticking behavior of DLC coated silicon micro-molds”, Journal of Micromechanics and Microengineering 19 (2009) 105025_1-7.

•        N.W. Khun, E. Liu, and Zeng Xianting, "Corrosion behavior of nitrogen doped diamond-like carbon thin films in NaCl solutions", Corrosion Science 51 (2009) 2158–2164.

•        N.W. Khun, E. Liu, G.C. Yang, W.G. Ma, and S.P. Jiang, "Structure and corrosion behavior of platinum/ruthenium/nitrogen doped diamondlike carbon thin films", Journal of Applied Physics 106 (2009) 013506_1-9.

•        N.W. Khun and E. Liu, “Effect of substrate temperature on corrosion performance of nitrogen doped amorphous carbon thin films in NaCl solution”, Thin Solid Films 517 (2009) 4762-4766.

•        N.W. Khun and E. Liu, “Linear sweep anodic stripping voltammetry of heavy metals from nitrogen doped tetrahedral amorphous carbon thin films”, Electrochimica Acta 54 (2009) 2890-2898.

•        G.C. Yang, E. Liu, N.W. Khun, S.P. Jiang, “Direct electrochemical response of glucose at nickel-doped diamondlike carbon thin film electrodes”, Journal of Electroanalytical Chemistry 627 (2009) 51-57.

•        Y.F. Ding, J.S. Chen, E. Liu, B.C. Lim, J.F. Hu, and B. Liu, “Effect of carbon additive on microstructure evolution and magnetic properties of epitaxial FePt (001) thin films”, Thin Solid Films 517 (2009) 2638-2647.

•        Y.B. Yang, L. Li, G. Chen, and E. Liu, “Synthesis and characterization of iron-based alloy nanoparticles for magnetorheological fluids”, Journal of Magnetism and Magnetic Materials 320 (2008) 2030-2038.

•        N. W. Khun, E. Liu, and H. W. Guo, “Cyclic voltammetric behavior of nitrogen-doped tetrahedral amorphous carbon films deposited by filtered cathodic vacuum arc”, Electroanalysis 20 (2008) 1851-1856.

•        E. Liu and H.W. Kwek, “Electrochemical performance of diamond-like carbon thin films”, Thin Solid Films 516 (2008) 5201-5205.

•        E. Liu, K.S. Tan, and H.I. Tan, “Nanotribological

 investigation of magnetic rigid disks lubricated with perfluoropolyether lubricant under varying conditions

”, Journal of Nanoscience and Nanotechnology, 8 (2007) 1-5.

•        L. Li, E. Liu, L.Z. Goh, and Y.P. Lee, “Comparison between poly(methyl methacrylate)- carbon black and polyaniline conductive coatings”, Journal of Nanoscience and Nanotechnology, 8 (2008) 2637-2642.

•        E. Liu, P. Xiao, J.S. Chen, B.C. Lim, and L. Li “Ni doped ZnO thin films for diluted magnetic semiconductor materials”, Current Applied Physics, 8 (2008) 408-411.

•        L. Li, E. Liu, and C.H. Lim, “Micro-DSC and Rheological Studies of Interactions between Methylcellulose and Surfactants”, JOURNAL OF PHYSICAL CHEMISTRY B, 111 (2007) 6410-6416.

•        E. Liu, Y.F. Ding, L. Li, B. Blanpain, and J.-P. Celis, “Influence of humidity on the friction of diamond and diamond-like carbon materials”, Tribology International 40 (2007) 216-219.

•        J.S. Chen, Y.F. Ding, B.C. Lim, and E. Liu, "Nanogranular L1(0) FePt : C composite films for perpendicular recording", IEEE Transactions on Magnetics 42 (10) (2006) 2363-2365.

•        Q.Q. Wang, L. Li, E. Liu, Y.R. Xu, and J.H. Liu, “Effects of SDS on the sol-gel transition of methylcellulose in water”, Polymer 47 (2006) 1372-1378.

•        Y.F. Ding, J.S. Chen, E. Liu, and L. Li, “L10 FePt films epitaxially grown on MgO substrates with or without a Cr underlayer”, Journal of Magnetism and Magnetic Materials, 303 (2006) e238-e242.

•        E. Liu, L. Li, B. Blanpain, and J.-P. Celis, “Residual stresses of diamond and diamondlike carbon films”, Journal of Applied Physics, 98 (2005) 073515_1-5.

•        J.H. Liu, S.Q. Lin, L. Li, and E. Liu, “Release of theophylline from polymer blend hydrogels”, International Journal of Pharmaceutics, 298 (2005) 117-125.

•        Y.F. Ding, J.S. Chen, and E. Liu, “Epitaxial L10 FePt films on SrTiO3 (100) by sputtering”, Journal of Crystal Growth, 276 (2005) 111-115.

•        Y.F. Ding, J.S. Chen, and E. Liu, “Structural and magnetic properties of FePt films grown on Cr1-xMox underlayers”, Applied Physics A-Materials Science & Processing, 81 (2005) 1485-1490.

•        Y.F. Ding, J.S. Chen, E. Liu, C.J. Sun, and G.M. Chow, “Effect of lattice mismatch on chemical ordering of epitaxial L10 FePt films”, Journal of Applied Physics, 97 (2005) 10H303_1-3.

•        Y.F. Ding, J.S. Chen, and E. Liu, “Modulation of preferred orientation and easy axis of magnetic anisotropy in L10 FePt films with Cu buffer layers”, Surface & Coatings Technology, 198 (2005) 262-265.

•        Y.F. Ding, J.S. Chen, and E. Liu, “Controlling the crystallographic orientation and easy axis of magnetic anisotropy in L10 FePt films with Cu additive”, Surface & Coatings Technology, 198 (2005) 270-273.

•        L.X. Liu and E. Liu, “Nitrogenated diamond-like carbon films for metal tracing”, Surface & Coatings Technology, 198 (2005) 189-193.

•        Y.F. Ding, J.S. Chen, E. Liu, and J.P. Wang, “Dependence of microstructure and magnetic properties of FePt films on Cr90Ru10 underlayers”, Journal of Magnetism and Magnetic Materials 285 (2005) 443-449.

•        Y.F. Ding, J.S. Chen, and E. Liu, “Structural and magnetic properties of nanostructured FePt/MgO granular films”, Thin Solid Films, 474 (2005) 141-145.

•        J.X. Gao, E. Liu, D.L. Butler, and A.P. Zeng, “Compositional depth profile analysis of coatings on hard disks by X-ray photoelectron spectroscopy and imaging”, Surface & Coatings Technology, 176 (2003) 93-102.

•        J.X. Gao, E. Liu, Z.B. Zhang, J.Q. Cao, and A.P. Zeng, “Structure of post-annealed ferroelectric PbZrxTi1-xO3 and SrBi2Ta2O9 thin films”, Thin Solid Films, 424 (2003) 79-83.

•        A.P. Zeng, E. Liu, S. Zhang, S.N. Tan, P. Hing, I.F. Annergren, and J.X. Gao, “Impedance Study on Electrochemical Characteristics of Sputtered DLC Films”, Thin Solid Films, 426 (2003) 258-264 & 437 (2003) 308.

•        E. Liu, J.X. Gao, B.K. Tay, X. Shi, and A. Zeng, “Tribological and mechanical properties of aluminum containing tetrahedral amorphous carbon films”, International Journal of Modern Physics B, 16 (2002) 946-951.

•        M.B. Chan, J. Zhang, J.X. Gao, and E. Liu, “Photografting of argon plasma-treated graphite/PEEK laminate to enhance its adhesion”, Journal of Adhesion Science and Technology, 16 (2002) 1883-1900.

•        D.Q. Xu, E. Liu, and B. Liu, “Effect of Lubricant Bonding on Hard Disk Drives”, Materials Technology, 17 (2002) 214-217.

•        A. Zeng, E. Liu, P. Hing, S. Zhang, S.N. Tan, I.F. Annergren, and J. Gao, “Microstructure and electrochemical behavior of sputtered diamond-like carbon films”, International Journal of Modern Physics B, 16 (6-7) (2002) 1024-1030.

•        A.P. Zeng, E. Liu, S.N. Tan, S. Zhang, and J.X. Gao, “Stripping Voltammetric Analysis of Heavy Metals at Nitrogen Doped Diamond-like Carbon Film Electrodes”, Electroanalysis, 14(18) (2002) 1294-1298.

•        A. Zeng, E. Liu, S.N. Tan, S. Zhang, and J. Gao, “Cyclic Voltammetry Studies of Sputtered Nitrogen Doped Diamond-like Carbon Film Electrodes”, Electroanalysis, 14(15-16) (2002) 1110-1115.

•        A. Zeng, E. Liu, I.F. Annergren, S.N. Tan, S. Zhang, P. Hing, and J. Gao, “EIS Capacitance Diagnosis of Nanoporosity Effect on the Corrosion Protection of DLC Films”, Diamond and Related Materials, 11 (2002) 160-168.

•        J.X. Gao, X.G. Zhu, W.L. Liu, Z.B. Zhang, J.Q. Cao, C.L. Lin, D.Z. Zhu, and E. Liu, “Ferroelectricity and ferromagnetism in (Pb,La)(Ca,Ti)O3 – La0.67Sr0.33MnOx multilayers”, Applied Physics Letters, 78 (2001) 3869-3871.

•        J.R. Shi, X. Shi, Z. Sun, E. Liu, B.K. Tay, and X.Z. Jin, “Structural and mechanical-properties of amorphous silicon-carbon alloy films deposited by filtered cathodic vacuum arc technique”, International Journal of Modern Physics B, 14 (2000) 315-320.

•        J.R. Shi, X. Shi, Z. Sun, E. Liu, B.K. Tay, and S. P. Lau, “Ultraviolet and visible Raman studies of nitrogenated tetrahedral amorphous carbon films”, Thin Solid Films, 366 (2000) 169-174.

•        C.F. Feng, K.A. Khor, E.J. Liu, and P. Cheang, “Phase Transformations in Plasma Sprayed Hydroxyapatite Coatings”, SCRIPTA MATERIALIA, 42 (2000) 103-109.

•        D. Sheeja, B.K. Tay, S.P Lau, X. Shi, J. Shi, Y. Li, X. Ding, E. Liu, and Z. Sun, “Characterisation of ta-C films prepared by a two-step filtered vacuum arc deposition technique”, Surface & Coatings Technology, 127 (2000) 247-251.

•        L.K. Cheah, X. Shi, E. Liu , B.K. Tay, and J.R. Shi, “Optimization of nitrogenated amorphous-carbon films deposited by dual ion beam sputtering”, Materials Science and Engineering B-Advanced Functional Solid-State Materials, 64 (1999) 6-11.

•        L.K. Cheah, X. Shi, E. Liu, B.K. Tay, J.R. Shi, and Z. Sun, “Influence of hydrogen on the structure and properties of tetrahedral amorphous carbon films obtained by the filtered cathodic vacuum arc technique”, Philosophical Magazine, 79 (1999) 1647-1658.

•        B.K. Tay, X. Shi, E.J. Liu, H.S. Tan, L.K. Cheah, J. Shi, E.L. Lim, and H.Y. Lee, “Tribological and optical properties of hydrogen-free amorphous carbon films with varying sp3/sp2 composition”, Surface and Interface Analysis, 28 (1999) 226-230.

•        B.K. Tay, X. Shi, E. Liu, S.P. Lau, L.K. Cheah, Z. Sun, and J. Shi, “Stress relief of tetrahedral amorphous carbon films by postdeposition thermal annealing”, Surface & Coatings Technology, 120-121 (1999) 448-452.

•        Y.H. Hu, X. Shi, E. Liu, J.R. Shi, and L.K. Cheah, “Role of defects in current transport through tetrahedral amorphous carbon-based metal-semiconductor-metal structures”, Journal of Non-Crystalline Solids, 260 (1999) 31-40.

•        E. Liu, X. Shi, H.S. Tan, L.K. Cheah, Z. Sun, B.K. Tay, and J.R. Shi, “The effect of nitrogen on the mechanical properties of tetrahedral amorphous carbon films deposited with a filtered cathodic vacuum arc”, Surface & Coatings Technology, 120-121 (1999) 601-606.

•        E. Liu, X. Shi, B.K. Tay, L.K. Cheah, H.S. Tan, J.R. Shi, and Z. Sun, “Micro-Raman spectroscopic analysis of tetrahedral amorphous carbon films deposited under varying conditions”, Journal of Applied Physics, 86 (1999) 6078-6083.

•        Z. Sun, X. Shi, and E. Liu, “High rate deposition of diamond-like carbon films by magnetically enhanced plasma CVD”, Thin Solid Films, 355-356 (1999) 146-150.

•        X. Shi, B.K. Tay, H.S. Tan, E.J. Liu, J. Shi, L.K. Cheah, and X. Jin, “Transport of vacuum arc plasma through an off-plane double bend filtering duct”, Thin Solid Films, 345 (1999) 1-6.

•        B.K. Tay, X. Shi, H.S. Yang, E. Liu, L.K. Cheah, and H.S. Tan, “Study of TiN films prepared by filtered cathodic vacuum arc techniques”, Surface Engineering, 15 (1999) 33-37.

•        J.R. Shi, X. Shi, Z. Sun, E. Liu, H.S. Yang, L.K. Cheah, and X.Z. Jin, “Structural Properties of Amorphous Silicon-Carbon Films Deposited by the Filtered Cathodic Vacuum Arc Technique”, Journal of Physics-Condensed Matter, 11 (1999) 5111-5118.

•        B.K. Tay, X. Shi, E. Liu, H.S. Tan, and L.K. Cheah, “Effects of Substrate Temperature on the Properties of Tetrahedral Amorphous Carbon Films”, Thin Solid Films, 346 (1999) 155-161.

•        B.K. Tay, X. Shi, E. Liu, H.S. Tan, L.K. Cheah, and W.I. Milne, “Heat Treatment of Tetrahedral Amorphous Carbon Films Grown By Filtered Cathodic Vacuum-Arc Technique” Diamond and Related Materials, 8 (1999) 1328-1332.

•        L.K. Cheah, X. Shi, E. Liu, and B.K. Tay, “Electron Field Emission Properties of Tetrahedral Amorphous Carbon Films”, Journal of Applied Physics, 85 (1999) 6816-6821.

•        E. Liu, X. Shi, L.K. Cheah, Y.H. Hu, H.S. Tan, J.R. Shi, and B.K. Tay, “Electrical Behaviour of Metal/Tetrahedral Amorphous Carbon/Metal (MSM) Structure”, Solid-State Electronics, 43 (1999) 427-434.

•        L.K. Cheah, X. Shi, and E. Liu, “Electron field emission from nitrogenated tetrahedral amorphous carbon investigated by current imaging tunneling spectroscopy”, Applied Surface Science, 143 (1999) 309-312.

•        L.K. Cheah, X. Shi, J.R. Shi, E.J. Liu, and S.R.P. Silva, “Properties of Nitrogen Doped Tetrahedral Amorphous Carbon Films Prepared by Filtered Cathodic Vacuum Arc Technique”, Journal of Non-Crystalline Solids, 242 (1998) 40-48.

•        L.K. Cheah, X. Shi, E. Liu, and J.R. Shi, “Nitrogenated Tetrahedral Amorphous Carbon Films Prepared by Ion Beam Assisted Filtered Cathodic Vacuum Arc Technique for Solar Cells Application”, Applied Physics Letters, 73 (1998) 2473-2475.

•        E. Liu, B. Blanpain, J.-P. Celis, and J.R. Roos, “Comparative Study between Macrotribology and Nanotribology”, Journal of Applied Physics, 84 (1998) 4859-4865.

•        E. Liu, B. Blanpain, X. Shi, J.-P. Celis, H.-S. Tan, B.-K. Tay, and J.R. Roos, “Tribological Behaviour of Different Diamond-like Carbon Materials”, Surface & Coatings Technology, 106 (1998) 72-80.

•        L.-K. Cheah, X. Shi, B.-K. Tay, and E. Liu, “Modification of Tetrahedral Amorphous Carbon Film by Concurrent Ar Ion Bombardment during Deposition”, Surface & Coatings Technology, 105 (1998) 91-96.

•        F.-Z. Li, Z.-J. Liu, Q. Jin, Z.-M. Yu, and E. Liu, “Investigation on Work Softening Behavior of Aluminum and its Alloys with Iron”, Journal of Materials Engineering and Performance, 6 (1997) 172-176.

•        E. Liu, B. Blanpain, and J.-P. Celis, “Calibration Procedures of Friction Force with a Lateral Force Microscope”, Wear, 192 (1996) 141-150.

•        E. Liu, B. Blanpain, J.-P. Celis, J.R. Roos, G. Verven, and Th. Priem “Tribological Behavior and Internal Stress of Diamond Coating Deposited with a Stationary d.c. Plasma Jet”, Surface & Coatings Technology, 80 (1996) 264-270.

•        E. Liu, B. Blanpain, and J.-P. Celis, “Fretting Friction and Wear of Polycrystalline Diamond Coatings”, Diamond and Related Materials, 5 (1996) 649-653.

•        B. Blanpain, H. Mohrbacher, E. Liu, J.-P. Celis, and J.R. Roos, “Hard Coatings under Vibrational Contact Conditions”, Surface & Coatings Technology, 74-75 (1995) 953-958.

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Vacancies (N/A)

More info for NTU PhD scholarships can be found at: http://admissions.ntu.edu.sg/graduate/scholarships/Pages/default.aspx

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Enquiry can be addressed to me at

School of Mechanical & Aerospace Engineering
Nanyang Technological University

50 Nanyang Avenue

Singapore 639798, Singapore

Tel: +65-67905504

Fax: +65-67924062

E-mail: mejliu@ntu.edu.sg

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