Dr Yung Ngothai

Research Interests

• Corrosion and Scaling in Hot Dry Rock Energy Extraction Systems
• Minerals Science - Kinetics and Transformation of Mineral Deposits
• Nanotechnology and Materials Engineering - Biomaterials for Biomedical Applications and Recycled Plastics Composites
• Water Technology - Desalination, Water and Wastewater Treatment
• Rheology - Polymer, Dispersion, Emulsion and Nano-emulsions            

Publications

• Joël Brugger, Allan Pring, Frank Reith, Chris Ryan, Barbara Etschmann, Weihua Liu, Brian O’Neill, and Yung Ngothai, "Probing ore deposits formation: New insights and challenges from synchrotron and neutron studies", Radiation Physics and Chemistry,  Vol. 79, 151-161 (2009). 
• Fang Xia, Joël Brugger, Yung Ngothai, Brian O'Neill, Guorong Cheng, and Allan Pring, "Three-Dimensional Ordered Arrays of Zeolite Nanocrystals with Uniform Size and Orientation by a Pseudomorphic Coupled Dissolution-Reprecipitation Replacement Route", Crystal Growth & Design, Vol. 9, No. 11, 4902-4906 (2009).

• H.D. Putra, Y. Ngothai, T. Ozbakkaloglu, and R. Seracino, "Mineral filler reinforcement for commingled recycle-plastic materials", Journal of Applied Polymer Science, Vol. 112, Issue 6, 3470-3481 (2009).

• G. Kuncoro, Y. Ngothai, D. Sweeney, B. O'Neill, and U. Kaeding, "Investigation of potato starch and sonicated RAS as alternative carbon sources for biological nitrogen removal", International Journal of Environment and Waste Management, Vol. 3, Nos. 3/4, 226-235 (2009).

• Paul Smith, Brian O'Neill, Yung Ngothai and Q. Dzuy Nguyen, "Butoxylation of Butyl Biodiesel: Reaction Conditions and Cloud Point Impact", Energy & Fuels, Vol. 23 (7), 3798-3803 (2009).

• Fang Xia, Joël Brugger, Guorong Chen, Yung Ngothai, Brian O’Neill, Andrew Putnis and Allan Pring, "Mechanism and kinetics of pseudomorphic mineral replacement reactions: A case study of the replacement of pentlandite by violarite", Geochimica et Cosmochimica Acta,  Vol. 73, 1945-1969 (2009). 

• P.C. Smith, Y. Ngothai, Q.D. Nguyen, and B.K. O'Neill, "Alkoxylation of biodiesel and its impact on low-temperature properties", Fuel, Volume 88, Issue 4, 605-612 (2009).

• F. Xia, J. Zhou, J. Brugger, Y. Ngothai, B. O'Neill, G. Chen, and A. Pring, "A novel route to synthesize complex metal sulfides: hydrothermal coupled dissolution-reprecipitation replacement reactions", Chemistry of Materials Vol. 20, 2809-2817 (2008).

• F. Xia, J. Zhou, A. Pring, Y. Ngothai, B. O'Neill, J. Brugger, G. Chen and C. Cobly, "The role of pyrrhotite (Fe7S8) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni)9S8) to violarite ((Ni,Fe)3S4)", Reaction Kinetics and Catalysis Letters. Vol. 92, No. 2, 257-266 (2007).

• F. Xia, G. Chen, A. Pring, J. Brugger, Y. Ngothai, B. O'Neill, C. Cobly, C. Tenailleau, H. Wang, and Y. Yang, "Kinetics and Mechanism of Hydrothermal Alteration from Pentlandite to Violarite", Acta Geologica Sinica, Vol 81, No. 10, 1378-1390, (2007).

• B. Thierry, P. Majewski, Y. Ngothai, and Y. Shi, "Preparation of monodisperse functionalized nanoparticles", International Journal Nanotechnology, Vol. 4, No. 5 (2007).

• D.P. Liu, P. Majewski, B.K. O'Neill, Y. Ngothai, and C.B. Colby, "The optimal SAM surface functional group for producing a biomimetic HA coating on Ti", Journal of Biomedical Materials Research Part A, Vol. 77A(4), 763-772 (2006).

• B. O'Neill, C. Tenailleau, Y. Ngothai, A. Studer, J. Brugger, and A. Pring, "A flow-through hydrothermal cell for in-situ neutron diffraction studies of phase transformation", Physica B, Vol. 385-386, 942-945 (2006).

• H. Wang, A. Pring, F. Wu, F. Chen, J. Jiang, G. Xia, J. Zhang, Y. Ngothai, and B. O'Neill, "Effect of cation vacancy and crystal superstructure on thermodynamics of iron monosulfides", Journal of Sulfur Chemistry, Vol. 27(3), 271-282 (2006).

• H. Wang, A. Pring, Y. Ngothai, and B. O'Neill, "The kinetics of the alpha -->beta transition in synthetic nickel monosulfide", American Mineralogist, Vol. 91 (1), 171-181 (2006).

• H. Wang, A. Pring, Y. Ngothai, B. O'Neill, "The mechanism and kinetics of α-NiS oxidation in the temperature range 670 - 700oC", American Mineralogist, Vol. 91 (4), 537-543 (2006).

• H. Wang, A. Pring, Y. Ngothai, and B. O'Neill, "Phase evolution and kinetics of the oxidation of monosulfide solid solution under isothermal conditions", Thermochimica Acta, Vol. 427(1-2), 13-25 (2005).

• H. Wang, A. Pring, Y. Ngothai, and B. O'Neill, "A low-temperature kinetic study of the exsolution of pentlandite from the monosulfide solid solution using a reined Avrami method", Geochimica et Cosmochimica Acta, Vol. 69(2), 415-425 (2005).

• H. Wang, F. Wu, Y. Ngothai, and B. O'Neill, "A kinetic model of the ‘Fe2+ oxidation' process for colour enhancement in natural marble", Materials Chemistry Physics, Vol. 86(1), 51-58 (2004)

Entry last updated: Wednesday, 18 Nov 2009