ORCID Profile
0000-0002-4950-3640
Current Organisation
Murdoch University
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Geochemistry | Inorganic Geochemistry | Functional Materials | Ore Deposit Petrology | Mineralogy and Crystallography | Geology | Biochemistry and Cell Biology | Nanochemistry and Supramolecular Chemistry | Resources Engineering and Extractive Metallurgy not elsewhere classified | Structural Chemistry and Spectroscopy | Structural Biology (incl. Macromolecular Modelling) | Organic Geochemistry | Isotope Geochemistry | Hydrometallurgy | Metals and Alloy Materials |
Primary Mining and Extraction of Mineral Resources not elsewhere classified | Expanding Knowledge in the Earth Sciences | Mineral Exploration not elsewhere classified | Oil and Gas Exploration | Oil and Gas Extraction | Solid Oxide Fuel Cells | Mining and Extraction of Titanium Minerals, Zircon, and Rare Earth Metal Ores (e.g. Monazite) | Expanding Knowledge in the Chemical Sciences | Expanding Knowledge in the Physical Sciences | Expanding Knowledge in Engineering | Precious (Noble) Metal Ore Exploration | Mining and Extraction of Precious (Noble) Metal Ores | Expanding Knowledge in the Biological Sciences | Copper Ore Exploration | Mining and Extraction of Copper Ores
Publisher: Elsevier BV
Date: 04-2009
Publisher: Informa UK Limited
Date: 06-2006
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6TA01954D
Abstract: Optimised dehydrated, nitrogen doped Li 4 Ti 5 O 12 featuring mesoporosity, high crystallinity and 2D nano-sized flakes properties that deliver high electrochemical performance.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0CC04036C
Abstract: The fabrication of core–shell and double-shelled hollow microspheres of W 18 O 49 (blue) and self-assembled TiO 2−x for enhanced CO 2 photoreduction to CO under visible light irradiation.
Publisher: AIP Publishing
Date: 10-2010
DOI: 10.1063/1.3484281
Abstract: A hydrothermal cell with 320 ml internal volume has been designed and constructed for in situ neutron diffraction studies of hydrothermal crystallizations. The cell design adopts a dumbbell configuration assembled with standard commercial stainless steel components and a zero-scattering Ti–Zr alloy s le compartment. The fluid movement and heat transfer are simply driven by natural convection due to the natural temperature gradient along the fluid path, so that the temperature at the s le compartment can be stably sustained by heating the fluid in the bottom fluid reservoir. The cell can operate at temperatures up to 300 °C and pressures up to 90 bars and is suitable for studying reactions requiring a large volume of hydrothermal fluid to d out the negative effect from the change of fluid composition during the course of the reactions. The capability of the cell was demonstrated by a hydrothermal phase transformation investigation from leucite (KAlSi2O6) to analcime (NaAlSi2O6⋅H2O) at 210 °C on the high intensity powder diffractometer Wombat in ANSTO. The kinetics of the transformation has been resolved by collecting diffraction patterns every 10 min followed by Rietveld quantitative phase analysis. The classical Avrami/Arrhenius analysis gives an activation energy of 82.3±1.1 kJ mol−1. Estimations of the reaction rate under natural environments by extrapolations agree well with petrological observations.
Publisher: Elsevier BV
Date: 2023
Publisher: Elsevier BV
Date: 08-2022
Publisher: Wiley
Date: 17-10-2019
Publisher: Elsevier BV
Date: 07-2005
Publisher: Mineralogical Society of America
Date: 11-2014
DOI: 10.2138/AM-2014-4845
Publisher: Wiley
Date: 24-03-2010
Publisher: Springer Science and Business Media LLC
Date: 29-11-2007
Publisher: Elsevier BV
Date: 06-2022
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C6TA08266A
Abstract: The TiO 2 crystal phase composition and microstructure of electrospun PVDF–TiO 2 membranes affected the photocatalytic reduction of CO 2 .
Publisher: Elsevier BV
Date: 06-2017
Publisher: Elsevier BV
Date: 2011
Publisher: Elsevier BV
Date: 2024
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C7QI00819H
Abstract: Hollow core–shell VO 2 (D) microspheres were fabricated and they exhibited excellent MB adsorption ability and the regenerated C/VO x nanoparticles showed enhanced adsorption performance and good reusability.
Publisher: American Chemical Society (ACS)
Date: 27-09-2016
Publisher: Springer Science and Business Media LLC
Date: 10-04-2017
Publisher: Mineralogical Society of America
Date: 20-12-2012
DOI: 10.2138/AM.2013.4209
Publisher: Wiley
Date: 28-07-2005
Publisher: Wiley
Date: 16-09-2016
Publisher: International Union of Crystallography (IUCr)
Date: 15-03-2012
DOI: 10.1107/S0021889812002300
Abstract: A large-volume single-pass flow-through cell for in situ neutron diffraction investigation of hydrothermal crystallization processes is reported. The cell is much more versatile than previous designs owing to the ability to control independently and precisely temperature (up to 673 K), pressure (up to 46 MPa), flow rate (0.01–10 ml min −1 ) and reaction-fluid volume (≥65 ml). Such versatility is realized by an innovative design consisting of a room-temperature and ambient-pressure external fluid supply module, a high-pressure reaction module which includes a high-temperature s le compartment enclosed in a vacuum furnace, and a room-temperature and high-pressure backpressure regulation module for pressure control. The cell provides a new avenue for studying various parameters of hydrothermal crystallizations independently, in situ and in real time at extreme hydrothermal conditions ( e.g. supercritical). The cell was successfully commissioned on the high-intensity powder diffractometer beamline, Wombat, at the Australian Nuclear Science and Technology Organisation by investigating the effect of pressure on the hydrothermal pseudomorphic conversion from SrSO 4 (celestine) to SrCO 3 (strontianite) at a constant temperature of 473 K and flow rate of 5 ml min −1 . The results show that the increase of pressure exerts a nonlinear effect on the conversion rate, which first increases with increasing pressure from 14 to 20 MPa, and then decreases when pressure further increases to 24 MPa.
Publisher: American Chemical Society (ACS)
Date: 16-09-2020
Publisher: Mineralogical Society
Date: 04-2011
DOI: 10.1180/MINMAG.2011.075.2.279
Abstract: The accurate measurement of trace element concentrations in natural sulphides by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) has been limited by the lack of matrix-matched calibration standards. The synthesis of a standard, IMER-1, by incorporating four minor and 34 trace elements into a chalcogenide glass matrix Ge 28 Sb 12 S 60 is reported here. Chemical analysis by electron probe microanalysis (EPMA), LA-ICP-MS, solution ICP-MS, and inductively coupled plasma-optical emission spectroscopy (ICP-OES) confirmed the excellent homogeneity of major elements (1-σ relative standard deviation (RSD) % for S, Sb and Ge) and acceptable homogeneity of most trace elements (1-σ RSD %). The standard was validated by analysing trace-elements concentrations in three geological pyrite specimens using IMER-1 as the calibration standard and comparing the results to previously reported values also determined by LA-ICP-MS but using a different calibration standard. STDGL2b-2. The results suggest that IMER-1 may be an appropriate calibration standard for LA-ICP-MS analysis of trace elements in natural sulphides.
Publisher: American Chemical Society (ACS)
Date: 12-08-2021
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C6SC05167G
Abstract: Ultralong single-crystalline CoP nanowires were grown on porous Co foam via a vapor–solid reaction method and used for overall electrochemical water splitting in alkaline solution.
Publisher: Elsevier BV
Date: 11-2005
Publisher: Elsevier BV
Date: 2020
Publisher: American Chemical Society (ACS)
Date: 16-05-2022
Abstract: To achieve chromium tolerance and high performance, a new series of high-entropy perovskites (HEPs) are investigated as cathode materials for solid oxide fuel cells (SOFCs). Multiple rare-earth, alkaline-earth, and high-order transition metal elements are used for the A-site of this ABO
Publisher: American Chemical Society (ACS)
Date: 27-09-2022
Publisher: Elsevier BV
Date: 02-2008
Publisher: Elsevier BV
Date: 11-2020
Publisher: Elsevier BV
Date: 2005
Publisher: Wiley
Date: 05-2020
Publisher: Mineralogical Society of America
Date: 11-2009
DOI: 10.2138/AM.2009.3252
Publisher: Springer Science and Business Media LLC
Date: 26-05-2014
Publisher: Elsevier BV
Date: 02-2012
Publisher: Elsevier BV
Date: 08-2022
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6QI00102E
Abstract: VO 2 (M) nanostructures with lower thermochromic phase transition temperature and narrower thermal hysteresis width were synthesized by a hydrothermal-calcination method, making them suitable candidates for smart windows.
Publisher: Elsevier BV
Date: 10-2020
Publisher: Elsevier BV
Date: 08-2022
Publisher: Elsevier BV
Date: 08-2022
Publisher: Elsevier BV
Date: 05-2023
Publisher: Elsevier BV
Date: 02-2020
Publisher: American Chemical Society (ACS)
Date: 29-08-2021
Publisher: American Chemical Society (ACS)
Date: 21-03-2008
DOI: 10.1021/CM7033883
Publisher: Elsevier BV
Date: 04-2009
Publisher: American Chemical Society (ACS)
Date: 17-02-2023
Publisher: Mineralogical Society of America
Date: 11-2011
DOI: 10.2138/AM.2011.3691
Publisher: Wiley
Date: 25-09-2209
Publisher: Elsevier BV
Date: 04-2010
Publisher: Elsevier BV
Date: 06-2023
Publisher: American Chemical Society (ACS)
Date: 28-04-2015
Publisher: American Chemical Society (ACS)
Date: 16-09-2009
DOI: 10.1021/CG900691A
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6CC00577B
Abstract: WSe 2 and WS 2 microspheres were synthesized by a solvothermal method and demonstrated outstanding uptake capacities for Pb 2+ and Hg 2+ .
Publisher: American Chemical Society (ACS)
Date: 13-04-2023
Publisher: International Union of Crystallography (IUCr)
Date: 26-03-2010
DOI: 10.1107/S0021889810006990
Abstract: A flow-through cell for hydrothermal phase transformation studies by in situ and time-resolved neutron diffraction has been designed and constructed. The cell has a large internal volume of 320 ml and can operate at temperatures up to 573 K under autogenous vapor pressures ( ca 8.5 × 10 6 Pa). The fluid flow is driven by a thermosyphon, which is achieved by the proper design of temperature difference around the closed loop. The main body of the cell is made of stainless steel (316 type), but the s le compartment is constructed from non-scattering Ti–Zr alloy. The cell has been successfully commissioned on Australia's new high-intensity powder diffractometer WOMBAT at the Australian Nuclear Science and Technology Organization, using two simple phase transformation reactions from KAlSi 2 O 6 (leucite) to NaAlSi 2 O 6 ·H 2 O (analcime) and then back from NaAlSi 2 O 6 ·H 2 O to KAlSi 2 O 6 as ex les. The demonstration proved that the cell is an excellent tool for probing hydrothermal crystallization. By collecting diffraction data every 5 min, it was clearly seen that KAlSi 2 O 6 was progressively transformed to NaAlSi 2 O 6 ·H 2 O in a sodium chloride solution, and the produced NaAlSi 2 O 6 ·H 2 O was progressively transformed back to KAlSi 2 O 6 in a potassium carbonate solution.
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C5QI00195A
Abstract: In situ PXRD was employed to study the phase evolution during solvothermal reduction of V 2 O 5 by EG. The obtained mechanism was used for the design syntheses of desired products.
Publisher: CSIRO Publishing
Date: 2020
DOI: 10.1071/CH19531
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C5EN00171D
Abstract: Mesoporous aluminium magnesium oxide composites exhibit extremely high adsorption capacities for As( v ) and As( iii ) with excellent environmental adaptability and selectivity.
Publisher: Wiley
Date: 02-2005
DOI: 10.1111/J.1551-2916.2005.00075.X
Abstract: To compare ease of insertion, load to failure, and mode of failure of cortical and cancellous screws, BoneBiter, IMEX, and TwinFix suture anchors in canine metaphyseal tibial bone. Experimental biomechanical study. Canine cadaveric tibias. One investigator inserted all anchors and subjectively evaluated ease of placement. Anchor systems were loaded to failure along axis of insertion with audio-video recording to determine failure mode. BoneBiter was the most difficult anchor to insert successfully. Mean+/-SD loads to failure were cancellous screw (711+/-193 N), IMEX 4.7 mm 18 g wire (661+/-163 N), IMEX 4.0 mm 18 g wire (661+/-165 N), cortical screw (635+/-184 N), BoneBiter #5 Kevlar suture (393+/- 109 N), and TwinFix 5.0 mm #2 polyester (267+/-73 N). No significant differences were noted among the cortical screw, cancellous screw, IMEX 4.7 and 4.0 mm, all of which were significantly (P<.001) greater than BoneBiter and TwinFix . Failure modes were pullout of bone, suture-wire breakage, eyelet breakage, or no failure to 1000 N: screws (18,0,0,2), IMEX (18,1,1,0), BoneBiter (2,8,0,0), and TwinFix (0,10,0,0). Fixation devices were user friendly, with the exception of BoneBiter. Mode of failure is dependent on suture material and anchor design. Cortical and cancellous screws, and IMEX anchors with 18 g wire have significantly greater load to failure compared with BoneBiter and TwinFix suture anchors. Based on load to failure, ease of use, design characteristics, and cost, IMEX anchors may have advantages over other comparable soft tissue fixation devices.
Publisher: American Chemical Society (ACS)
Date: 31-05-2019
Publisher: AIP Publishing
Date: 27-08-2007
DOI: 10.1063/1.2776857
Abstract: Photoluminescence properties of silicate and borosilicate glasses codoped with Tb3+ and Sm3+ ions have been characterized by excitation and emission spectroscopies. When excited by ultraviolet light the glasses emit a combination of green and orange-red wavelengths giving white light. The ratio of the intensities of orange-red to green emissions can be tuned by varying both the concentration of the Sm3+ ion and an the composition of the glass matrix. The excitation and emission spectra show a self-quenching effect for the Sm3+ ions and an energy transfer from Tb3+ (D45) to Sm3+ (G5∕24).
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0TC03436C
Abstract: Tungsten-doped VO 2 (M) nanoparticles and films with good solar energy modulation ability were prepared by a simple hydrothermal recrystallization method and subsequent spin-coating.
Publisher: Elsevier BV
Date: 2020
Publisher: Elsevier BV
Date: 09-2021
Publisher: Wiley
Date: 08-04-2022
Abstract: Densely assembled graphene‐based membranes have attracted substantial interest for their widespread applications, such as compact capacitive energy storage, ion/molecular separation, gas barrier films, and flexible electronics. However, the multiscale structure of densely packed graphene membranes remains ambiguously understood. This article combines X‐ray and light scattering techniques as well as dynamic electrosorption analysis to uncover the stacking structure of the densely stacked reduced graphene oxide (rGO) membranes. The membranes are produced by reducing graphene oxide (GO) membranes with hydrazine, during which the colloidal interactions between GO sheets are modulated by the electrolyte solution. In contrast to the common notion that direct reduction of densely assembled GO sheets in parallel tends to result in significant “graphitization”, this article unexpectedly discovers that the resultant densely packed rGO membrane can still retain the interconnected network nanochannels and show good capacitive performances. This inspires the development of a hierarchical structural model to describe the densely packed rGO membranes. This article further shows that the nanochannel network can be fine‐tuned at the sub‐nanometer level by tailoring the salt concentration and the reduction temperature to render exceptional volumetric capacitance and good rate performance for rGO membranes even with increased packing density.
Publisher: Wiley
Date: 17-04-2019
Publisher: Wiley
Date: 23-12-2015
DOI: 10.1111/IJAG.12181
Publisher: Elsevier BV
Date: 10-2021
Publisher: American Chemical Society (ACS)
Date: 05-07-2022
Abstract: Tungsten bronze is an effective near-infrared (NIR) shielding material for fabricating energy-saving smart windows. While high-performing NIR-shielding glasses can be fabricated by coating a tungsten bronze film on window glasses, these glasses suffer a short lifespan due to the adhesion and degeneration of film. In this work, we show that tungsten bronze-like material Na
Publisher: American Chemical Society (ACS)
Date: 17-07-2014
DOI: 10.1021/CM501810X
Publisher: American Chemical Society (ACS)
Date: 30-01-2017
Abstract: Synthesis of carbon nitrides (CN
Publisher: Elsevier BV
Date: 2023
Publisher: Springer Science and Business Media LLC
Date: 03-2020
Publisher: Elsevier BV
Date: 10-2021
Publisher: IOP Publishing
Date: 19-02-2004
Publisher: Wiley
Date: 16-03-2016
Publisher: Elsevier BV
Date: 11-2018
Publisher: The Electrochemical Society
Date: 23-01-2020
Publisher: Wiley
Date: 06-2006
Publisher: Elsevier BV
Date: 09-2019
Publisher: Elsevier BV
Date: 12-2022
Publisher: Elsevier BV
Date: 04-2021
Publisher: Elsevier BV
Date: 02-2008
Publisher: MDPI AG
Date: 08-11-2020
DOI: 10.3390/MIN10110990
Abstract: A flow-through reaction cell has been developed for studying minerals leaching by in-situ time-resolved powder X-ray diffraction, allowing for a better understanding of the leaching mechanisms and kinetics. The cell has the capability of independent control of temperature (up to 95 °C) and flow rate ( .5 mL min−1) for atmospheric pressure leaching. It was successfully tested at the powder diffraction beamline at the Australian Synchrotron. Galena powder was leached in a citrate solution under flow-through condition at a flow rate of 0.5 mL min−1, while diffraction patterns were collected during the entire leaching process, showing rapid galena dissolution without the formation of secondary mineral phases. The flow-through cell can be used to study leaching processes of other ore minerals.
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5RA11014A
Abstract: In situ PXRD confirmed the direct crystallization of VO 2 (A) from solution after complete hydrolysis of the VO(acac) 2 precursor.
Start Date: 2017
End Date: 12-2020
Amount: $450,500.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2019
End Date: 12-2019
Amount: $609,865.00
Funder: Australian Research Council
View Funded ActivityStart Date: 06-2020
End Date: 12-2024
Amount: $441,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2019
End Date: 06-2020
Amount: $1,267,674.00
Funder: Australian Research Council
View Funded ActivityStart Date: 04-2017
End Date: 12-2018
Amount: $700,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 05-2023
End Date: 04-2026
Amount: $472,000.00
Funder: Australian Research Council
View Funded Activity