Roger-st.c.smart Smart

Roger-st.c.smart Smart's AcademicInfluence.com Rankings

Chemistry

#4511

World Rank

#5594

Historical Rank

Physical Chemistry

#681

World Rank

#735

Historical Rank

chemistry Degrees

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Chemistry

Roger-st.c.smart Smart's Degrees

PhD Chemistry University of California, Berkeley
Masters Chemistry Stanford University
Bachelors Chemistry Stanford University

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Roger-st.c.smart Smart's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Sc, Ti, V, Cu and Zn (2010) (6880)
New interpretations of XPS spectra of nickel metal and oxides (2006) (1456)
X‐ray photoelectron spectroscopic chemical state quantification of mixed nickel metal, oxide and hydroxide systems (2009) (1095)
The Mechanism of Phosphate Fixation by Iron Oxides (1975) (324)
XPS of sulphide mineral surfaces: metal‐deficient, polysulphides, defects and elemental sulphur (1999) (297)
The role of the Auger parameter in XPS studies of nickel metal, halides and oxides. (2012) (233)
The Mechanism of Sulfate Adsorption on Iron Oxides 1 (1978) (231)
Surface analysis methods in materials science (1992) (174)
Surface layers in base metal sulphide flotation (1991) (162)
The defect structure of nickel oxide surfaces as revealed by photoelectron spectroscopy (1985) (132)
Oxidation of Galena Surfaces: I. X-Ray Photoelectron Spectroscopic and Dissolution Kinetics Studies (1994) (127)
The role of surface sulfur species in the inhibition of pyrrhotite dissolution in acid conditions (1998) (126)
Compositional and structural alteration of pyrrhotite surfaces in solution: XPS and XRD studies (1992) (120)
Kaolinite flocculation structure. (2008) (119)
Infra-red study of phosphate adsorption on goethite (1974) (103)
Nanomorphology of Kaolinites: Comparative SEM and AFM Studies (1998) (101)
Kinetics of adsorption of high molecular weight anionic polyacrylamide onto kaolinite: the flocculation process. (2002) (100)
STM and XPS investigation of reaction of galena in air (1993) (94)
The Effect of Surface Modification by an Organosilane on the Electrochemical Properties of Kaolinite (1994) (93)
Surface Analytical Studies of Oxidation and Collector Adsorption in Sulfide Mineral Flotation (2003) (92)
Analysis of mineral surface chemistry in flotation separation using imaging XPS (2007) (91)
The mechanism of copper activation of sphalerite (1999) (90)
Surface chemistry and rheological behaviour of titania pigment suspensions (1999) (86)
Effect of surface structure of kaolinite on aggregation, settling rate, and bed density. (2010) (85)
Copper(II) activation and cyanide deactivation of zinc sulphide under mildly alkaline conditions (1997) (83)
A comparison of the dissolution behavior of troilite with other iron(II) sulfides; implications of structure (2003) (83)
A mechanism to explain sudden changes in rates and products for pyrrhotite dissolution in acid solution (2001) (83)
Geochemical effects of oxidation products and framboidal pyrite oxidation in acid mine drainage prediction techniques (2004) (82)
Irradiation Effects During XPS Studies of Cu(II) Activation of Zinc Sulphide (1996) (82)
The influence of sodium carbonate on sodium aluminosilicate crystallisation and solubility in sodium aluminate solutions (1997) (82)
Studies of the thermal decomposition of βNiO(OH) and nickel peroxide by X-ray photoelectron spectroscopy (1983) (81)
Thin calcium phosphate coatings on titanium by electrochemical deposition in modified simulated body fluid. (2006) (80)
Kinetics and mechanisms of the leaching of low Fe sphalerite (2003) (73)
Infrared spectra from binuclear bridging complexes of sulphate adsorbed on goethite (α-FeOOH) (1977) (70)
A comparison of the kinetics and mechanism of acid leaching of sphalerite containing low and high concentrations of iron (2004) (69)
Direct Observation of Phosphate Precipitation in the Goethite/Phosphate System (1988) (66)
A study of the removal of oxidation products from sulfide mineral surfaces (1995) (64)
X-ray Photoelectron Studies of Anion Adsorption on Goethite (1987) (62)
Influence of electrochemical environment on the flotation behaviour of Mt. Isa copper and lead-zinc ore (1990) (60)
ADVANCES IN ACID ROCK DRAINAGE (ARD) CHARACTERISATION OF MINE WASTES 1 (2006) (59)
Statistical comparison of hydrophobic and hydrophilic species on galena and pyrite particles in flotation concentrates and tails from TOF-SIMS evidence (2002) (59)
SIMS studies of oxidation mechanisms and polysulfide formation in reacted sulfide surfaces (2000) (57)
Statistical comparison of surface species in flotation concentrates and tails from TOF-SIMS evidence (2000) (57)
XPS and bioactivity study of the bisphosphonate pamidronate adsorbed onto plasma sprayed hydroxyapatite coatings (2006) (55)
Quantitative Chemical State XPS Analysis of First Row Transition Metals, Oxides and Hydroxides (2008) (55)
Dispersion of kaolinite and talc in aqueous solution: nano-morphology and nano-bubble entrapment (2002) (54)
Improved acid neutralisation capacity assessment of iron carbonates by titration and theoretical calculation (2004) (51)
Kinetic factors for oxidative and non-oxidative dissolution of iron sulfides (2000) (50)
Surface area and the mechanism of hydroxylation of ionic oxide surfaces (1984) (50)
A cryo-SEM study of aggregate and floc structure changes during clay settling and raking processes (2009) (50)
Titanate Ceramics for the Immobilization of Sodium-Bearing High-Level Nuclear Waste (1988) (49)
The competitive adsorption of cyanide and ethyl xanthate on pyrite and pyrrhotite surfaces (1993) (49)
Scanning Tunneling Microscopy Studies of Galena: The Mechanisms of Oxidation in Aqueous Solution (1995) (48)
Influence of aluminum doping on titania pigment structural and dispersion properties. (2003) (48)
A METHODOLOGY TO DETERMINE THE ACID-NEUTRALIZATION CAPACITY OF ROCK SAMPLES (2005) (46)
The Formation of Silicate-Stabilized Passivating Layers on Pyrite for Reduced Acid Rock Drainage. (2017) (45)
Improved statistical methods applied to surface chemistry in minerals flotation (2006) (45)
Scanning tunnelling microscopy studies of galena: the mechanism of oxidation in air (1994) (43)
Interferometric porous silicon transducers using an enzymatically amplified optical signal (2011) (41)
Application of high frequency ultrasound in the destruction of DDT in contaminated sand and water. (2009) (40)
The interaction of ethyl xanthate with copper(II)-activated zinc sulphide: Kinetic effects (1994) (39)
Ionic oxides: distinction between mechanisms and surface roughening effects in the dissolution of magnesium oxide (1979) (37)
Carbon monoxide adsorption on magnesium oxide (1973) (37)
Studies of alkali halide films deposited at low temperatures. Electron microscopy, electronic spectra from colour centres and infra-red spectra from the chemisorption of nitric oxide (1971) (37)
Adsorption of bisphosphonate onto hydroxyapatite using a novel co-precipitation technique for bone growth enhancement. (2006) (36)
Fine: Coarse particle interactions and aggregation in sphalerite flotation (1997) (36)
The role of cyanide in the interaction of ethyl xanthate with galena (1993) (35)
Semiconducting oxides. The effect of prior annealing temperature on dissolution kinetics of nickel oxide (1977) (35)
Intergranular Films and Pore Surfaces in Synroc C: Structure, Composition, and Dissolution Characteristics (1986) (34)
Xps studies of donor and acceptor chemisorption of NO and CO on nickel oxide surfaces (1980) (34)
Methods for estimation of long-term non-carbonate neutralisation of acid rock drainage. (2010) (33)
An investigation of the mechanism of gibbsite nucleation using molecular modelling (1996) (33)
Kaolinite platelet orientation for XRD and AFM applications (2010) (32)
Acid-base accounting assessment of mine wastes using the chromium reducible sulfur method. (2012) (32)
Influence of dry grinding on talc and kaolinite morphology: inhibition of nano-bubble formation and improved dispersion (2005) (32)
Semiconducting oxides: effects of electronic and surface structure on dissolution kinetics of nickel oxide (1978) (32)
Infrared spectra from reflection studies of carbon monoxide on evaporated nickel films (1973) (31)
Solubility of Sodium Aluminosilicates in Synthetic Bayer Liquor (1998) (31)
Silicones on glass surfaces. 2. Coupling agent analogs (1993) (30)
Microstructural Characterization of Synroc C and E by Electron Microscopy (1985) (29)
Diagnostic leaching of galena and its oxidation products with EDTA (2002) (29)
Evidence from photoelectron spectroscopy for dissociative adsorption of oxygen on nickel oxide (1981) (28)
Diagnosis of the surface chemical influences on flotation performance: Copper sulfides and molybdenite (2012) (28)
Collectorless flotation of pyroxene in Merensky ore: Residual layer identification using statistical ToF-SIMS analysis (2009) (27)
Initial dissolution kinetics of ionic oxides (1981) (25)
Adsorption of Phosphate on Imogolite (1974) (24)
Secondary ion mass spectrometry investigation of the interaction of xanthate with galena (2001) (24)
Generation of a stable surface concentration of amino groups on silica coated onto titanium substrates by the plasma enhanced chemical vapour deposition method (2009) (24)
Vitronectin adsorption on surfaces visualized by tapping mode atomic force microscopy. (2004) (23)
Ultrasonic Enhanced Desorption of DDT from Contaminated Soils (2011) (23)
Ceramic Interfaces: Properties and Applications (1998) (22)
Electrochemistry of the zircon—water interface (1994) (22)
A simplified method for estimation of jarosite and acid-forming sulfates in acid mine wastes. (2007) (22)
Xps studies of surface charge on nickel oxide (1980) (22)
Mechanisms of acidic dissolution at the MgO(100) surface (2002) (21)
Strategies for Reduced Acid and Metalliferous Drainage by Pyrite Surface Passivation (2017) (20)
Processing Impurities as Phase Assemblage Modifiers in Titanate Nuclear Waste Ceramics (1990) (20)
Titanate Ceramics for the Stabilization of Partially Reprocessed Nuclear Fuel Elements (1989) (19)
Effect of pH and Dissolved Silicate on the Formation of Surface Passivation Layers for Reducing Pyrite Oxidation (2013) (18)
In-situ scanning tunnelling microscopy studies of galena surfaces under flotation-related conditions (1996) (18)
Polyphosphate interaction with aluminium-doped titania pigment particles (2001) (18)
In situ calcite formation in limestone-saturated water leaching of acid rock waste. (2010) (18)
XPS film thickness and adsorption studies of alkyltrimethylammonium bromides and organosilanes on silica surfaces (1995) (17)
Formation of Aluminum Hydroxide-Doped Surface Passivating Layers on Pyrite for Acid Rock Drainage Control. (2018) (17)
Aminohydroxysiloxanes on E-Glass Fibers (1995) (17)
Correspondence: Size distribution of MgO smoke particles (1980) (16)
Interdependence of Phase Chemistry, Microstructure, and Oxygen Fugacity in Titanate Nuclear Waste Ceramics (1990) (16)
Plasma enhanced chemical vapour deposition of silica onto titanium: Analysis of surface chemistry, morphology and hydroxylation (2008) (15)
Surface chemistry-microstructure-rheology of high and low crystallinity KGa-1b and KGa-2 kaolinite suspensions (2015) (15)
The use of contact angle measurements to quantify the adsorption density and thickness of organic molecules on hydrophilic surfaces (1995) (15)
Plasma processing for inducing bioactivity in stainless steel orthopaedic screws (2007) (15)
Growth twinning in magnesium oxide smoke crystals (1979) (15)
Surface reduction in low-temperature formation of nickel oxide from different nickel salts. Thermal analysis, surface area, electron microscopy and infrared studies (1986) (15)
X-ray photoelectron spectroscopy studies of valence states of cerium and uranium in SYNROC C (1987) (14)
Surface structure and the dissolution rates of ionic oxides (1984) (14)
Role of microbial diversity for sustainable pyrite oxidation control in acid and metalliferous drainage prevention. (2020) (14)
X-ray photoelectron spectroscopy study of the growth kinetics of biomimetically grown hydroxyapatite thin-film coatings (2010) (14)
The surface layer formed on zinc-containing glass during aqueous attack (1982) (14)
Direct measurement of interactions between adsorbed vitronectin layers: the influence of ionic strength and pH. (2005) (14)
Methods for quantitative diffuse reflectance FT-IR: Adsorption densities of alcohols on silica powders (1992) (14)
Comparative dissolution rates of defective nickel oxides from different sources (1986) (13)
Method for distinctive estimation of stored acidity forms in acid mine wastes. (2014) (13)
Particle size effects on the energies of bulk and surface F-centres (1971) (13)
Semiconducting oxides: effects of solid and solution properties on dissolution kinetics of cobaltous oxide (1981) (13)
Dissolution Mechanisms of Oxides and Titanate Ceramics — Electron Microscope and Surface Analytical Studies (1989) (12)
Infrared spectroscopic studies of adsorption on alkali halide surfaces I. HCl, HBr and HI on fluorides, chlorides, bromides and iodides (1971) (12)
Effects of acidification and complexation from radiolytic reactions on leach rates of SYNROC C and nuclear waste glass (1984) (12)
DESIGN AND CONSTRUCTION OF LIMESTONE BLENDED WASTE ROCK DUMPS - LESSONS LEARNED FROM A 10-YEAR STUDY AT GRASBERG 1 (2006) (12)
Interaction of hydroxylated PACVD silica coatings on titanium with simulated body fluid (2006) (12)
XPS studies of low-temperature plasma-produced graded oxide-silicate-silica layers on titanium (1998) (12)
Surface chemical mechanisms of inadvertent recovery of chromite in UG2 ore flotation: Residual layer identification using statistical ToF-SIMS analysis (2010) (12)
α-Amino acid-β-hydroxysiloxanes on E-glass fibers (1998) (12)
Evaluation of the rate of dissolution of secondary sulfate minerals for effective acid and metalliferous drainage mitigation (2019) (11)
Surface characterisation, iron removal and enrichment of bauxite ultrafines (1990) (11)
Dissolution Mechanisms of CaTiO 3 - Solution Analysis, Surface Analysis and Electron Microscope Studies Implications for Synroc (1988) (11)
Heterotrophic Microbial Stimulation through Biosolids Addition for Enhanced Acid Mine Drainage Control (2017) (11)
The development of statistical ToF‐SIMS applied to minerals recovery by froth flotation (2017) (11)
Observation of gaseous films at solid-liquid interfaces: removal by ultrasonic action. (2009) (10)
Organosilane occurrence in irghizite samples from the Zhamanshin impact crater, Kazakhstan (2000) (10)
ARD Control by Limestone Induced Armouring and Passivation of Pyrite Mineral Surfaces 1 (2009) (10)
The interaction of iron(III) species with galena surfaces (1995) (10)
Semiconducting oxides: infrared and rate studies of the effects of surface blocking by surfactants in dissolution kinetics (1978) (10)
Molecular modelling of the adsorption of aromatic and aromatic sulfonate molecules from aqueous solutions onto graphite (1999) (10)
A Simplified Method for Estimation of Jarosite and Acid-Forming Sulfates in Acid Mine Wastes (2006) (10)
Infrared and far infrared spectroscopic studies of the adsorption of water molecules on high-area alkali halide surfaces (1976) (9)
Silicones on glass surfaces (1992) (9)
Formation of Silicate Structures in Oxidized Nickel Surfaces Using Low-temperature Plasma Reaction (1996) (9)
Dissolution kinetics of manganese oxides : effects of preparation conditions, pH and oxidation/reduction from solution (1990) (8)
FT-IR diffuse reflectance study of the adsorption and oxidation of alcohols on porous silica surfaces (1992) (8)
Surface characterization and new tools for research (2007) (8)
The use of overlayer equations in an X-ray photoelectron spectroscopy study of the adsorption of long-chain alcohol molecules on silica surfaces (1994) (7)
Iron Sulfides Ain’t Iron Sulfides. A Comparison of Acidity Generated During Oxidation of Pyrite and Pyrrhotite in Waste Rock and Tailing Materials (2015) (7)
Comparison of Radio-Frequency-Plasma- and Ion-Beam-Induced Surface Modification of Kaolinite (2001) (7)
Improving thickener bed density by ultrasonic treatment (2014) (7)
Evidence for modification of nickel oxide by silica. Infrared, electron microscope and dissolution rate studies (1980) (7)
CALCULATED ACID–BASE BALANCE FOR H2O2 OXIDATION OF CARBONATE-POOR PYRITIC MINE-ROCK (2005) (7)
Selective ion electrode measurements of chloride concentrations in the determination of cation exchange capacities of soils (1974) (7)
Examination of multiple sources of selenium release from coal wastes and strategies for remediation. (2021) (7)
Control of Acid Generation from Pyrite Oxidation in a Highly Reactive Natural Waste: A Laboratory Case Study (2017) (6)
Effect of hot-pressing conditions on the structure and leachability of Synroc (1987) (6)
The effect of size separation by cyclosizing and sedimentation/decantation on mineral surfaces (1997) (6)
Evolution of pyrite oxidation from a 10-year kinetic leach study: Implications for secondary mineralisation in acid mine drainage control (2021) (6)
Application of principal component analysis and tof-sims to mineral recognition, surface chemistry and separation by flotation (2006) (5)
The effect of irradiation on the dissolution rate of magnesium oxide (1982) (5)
Unexpected Non-acid Drainage from Sulfidic Rock Waste (2019) (5)
Modification of industrial E-glass fibres by long-chain alcohol adsorption (1996) (5)
Development of surface modification techniques for the covalent attachment of insulin-like growth factor-1 (IGF-1) on PECVD silica-coated titanium (2010) (5)
Development of a TOF‐SIMS technology as a predictive tool for the needs of the mineral processing industry (2011) (5)
XPS determination of band bending in defective semiconducting oxide surfaces (1985) (5)
The validity of SIMS observations of alkali metal segregation into intergranular regions of ceramics (1985) (4)
Surface photovoltage and XPS studies of electronic structure in defective nickel oxide powders (1986) (4)
Solid Surfaces, Their Structure and Composition (1992) (4)
Passivation of pyrite for reduced rates of acid and metalliferous drainage using readily available mineralogic and organic carbon resources: A laboratory mine waste study. (2021) (4)
Surface reactions and dissolution of ceramics and high temperature superconductors (1991) (4)
Sonochemical destruction of chloroform by using low frequency ultrasound in batch and flow cell (2010) (4)
Oxidative Dissolution of Sulfide Minerals in Single and Mixed Sulfide Systems under Simulated Acid and Metalliferous Drainage Conditions. (2021) (3)
Minerals, Ceramics and Glasses (2003) (3)
Phase contrast studies of (100) surfaces of MgO crystals during dissolution (1980) (3)
Mechanisms of corrosion in surface layers at solid-solution interfaces (2001) (3)
Dissolution Mechanisms of the Perovskite and Hollandite Phases in the Synroc Assemblage (1989) (3)
Surface science lettersXPS evidence for band bending at semiconducting oxide surfaces (1982) (2)
Adsorption of hydrogen halides on alkali halide surfaces as studied by infrared spectroscopy (1969) (2)
XPS evidence for band bending at semiconducting oxide surfaces (1982) (2)
Modification of Ceramic Surfaces Using Adsorption, Plasma and Sol-Gel Reactions (1995) (2)
Flotation of Zircon from Mineral Sands. Flotacja cyrkonu z piasków mineralnych (in Polish) (1991) (2)
The effect of drying on chemical properties of some Papua New Guinea soils (1974) (2)
Chemical and structural alteration in the surface layers of oxides and sulphides (1995) (2)
The Influence of Final-State Effects on XPS Spectra from First-Row Transition-Metals (2016) (2)
Plasma enhanced chemical vapour deposition of silica onto Ti: Analysis of surface chemistry, morphology and functional hydroxyl groups. (2008) (2)
Estimation of Immediate Acid and Neutralization Rates within ARD Waste Rock Storage Facilities (2015) (1)
The Application of Thermal Decomposition for Determination of Carbonate Acid-Neutralising Capacity for Improved Acid Mine Drainage Prediction (2021) (1)
The Chemical Durability of Some Hlw Glasses: Effects of Hydrothermal Conditions and Ionising Radiation (1981) (1)
Potential strategies for sustainable control of acid generation from pyrite oxidation (2018) (1)
Corrigendum to “Diagnosis of the Surface Chemical Influences on Flotation Performance: Copper Sulfides and Molybdenite” [Int. J. Miner. Process. 106–109 (2012) 16–30] (2012) (1)
Surface analysis using XPS, Auger and SIMS: studies of corrosion, coatings and protective layers (1994) (1)
STUDIES OF THE THERMAL DECOMPOSITION OF NICKEL OXYHYDROXIDE AND NICKEL PEROXIDE BY X-RAY PHOTOELECTRON SPECTROSCOPY (1983) (1)
Evaluating glasses for high-level radioactive waste immobilization (1981) (1)
Development of Novel Materials for Reduction of Greenhouse Gases and Environmental Monitoring Through Interface Engineering (1999) (1)
Intergranular films and pore surfaces in Synroc C (1985) (1)
Comparison of Bioceramic Coatings on Metals from Sol-Gel, PACVD and Precipitation Processes (2003) (1)
TEM and XPS evidences of O/F ordering in NbO2F (2005) (0)
Bisphosphonate-loaded hydroxyapatite coatings for localized, sustained drug delivery at the bone-implant interface: Bone cell culture studies (2008) (0)
Development of novel materials through interface engineering (2001) (0)
Dissolution Kinetics of Manganese Oxides. Effects of Preparation Conditions, pH and Oxidation/Reduction from Solution. (1990) (0)
Observations of silicates in both retarding and accelerating the oxidation of pyritic sulfide in the soil environment (2008) (0)
Co-deposition of a biphosphonate with hydroxyapatite for improved implant fixation (2005) (0)
Delivery from an alginate hydrogel layer (2004) (0)
Unexpected Non-acid Drainage from Sulfidic Rock Waste (2019) (0)
Surface Degradation of Oxides, Ceramics, Glasses and Polymers (2018) (0)
The Microstructure of Synroc (1981) (0)
The importance of understanding possible chemical interactions in the routine testing used to assess the acid producing potential and the acid neutralization potential of soils (2006) (0)

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What Schools Are Affiliated With Roger-st.c.smart Smart?

Roger-st.c.smart Smart is affiliated with the following schools:

University of Papua New Guinea
University of South Australia