Faculty and Staff

Daniel Dwyer

Daniel Dwyer

Professor of Chemistry

Office: 206 Chemistry
Email: dan.dwyer@mso.umt.edu

Current Position

Professor of Chemistry

Courses

Chemistry 104 Preparation for Chemistry

Chemistry 141 College Chemistry I

Chemistry 121N Intro to General Chemistry

Field of Study

Physical Chemistry

Publications

“A LEED-AES Study of the Initial Stages of Oxidation of Fe(100),” G.W. Simmons and D.J. Dwyer, Surface Science 48 (1975) 373.

“The Initial Interaction of H2O with Fe(100),” D.J. Dwyer, R.P. Wei and G.W. Simmons, Surface Science 64 (1977) 617.

“Pulse Height Analyzer Used as an X-Y Recorder: Application to Auger Spectroscopy,” D.J. Dwyer and R.S. Rodgers, Review of Scientific Instruments, 48 No. 12 (1977) 1678.

“Low Pressure Interaction of H2S with Fe (001),” D.J. Dwyer and G.W. Simmons, thesis work.

“Interatomic Auger Transitions in Beryllium and Iron Oxides,” D.J. Dwyer and G.W. Simmons, thesis work.

“The Hydrogenation of CO and CO2 Over Fe Foils: Correlation of Surface Composition, Kinetics and Product Distribution,” D.J. Dwyer and G.A. Somorjai, Journal of Catalysis, 52 (1978) 291.

“The Influence of Surface Composition and Structure on the Rate and Product Distribution of Rh and Fe Catalyzed Hydrogenation of CO,” D.J. Dwyer and G.A. Somorjai in Hydrocarbon Synthesis from Carbon Monoxide and Hydrogen, edited by E.L. Kugler and F.W. Steffgen, ACS Washington, D.C. (1979).

“The Role of Secondary Reactions in Determining the Product Distribution Over Iron Single Crystals,” D.J. Dwyer and G.A. Somorjai, Journal of Catalysis, 56 (1979) 249.

“Recommendations for Research in Coal Gasification,” D.J. Dwyer, J. Hardy and L.E. McCandlish, Exxon Research and Engineering Company Report No. Cr.1KY.80 (1980).

“Thermodynamics of Thermally Integrated Gasification and Synthesis Reactions (TIGAS),” D.J. Dwyer and L.E. McCandlish, Exxon Research and Engineering Company Report No. CR.1KY.80 (1980).

“The Water Dissociation Reaction on Clean and Oxidized Iron (110),” D.J. Dwyer, S.R. Kelemen and A. Kaldor, Journal of Chemical Physics 76 (1982) 4.

“The Adsorption of CO on Clean and Potassium Promoted FeO Surface,” D.J. Dwyer, S.R. Kelemen and A. Kaldor, Surface Science, 121 No. 1 (1982) 45.

“A Study of the Nickel-Titanium Oxide Interaction,” A.J. Simoens, R.T.K. Baker, D.J. Dwyer, C.R.F. Lund and R.J. Madon, Journal of Catalysis, 86 No. 2 (1984) 359.

“The Catalytic Reduction of Carbon Monoxide Over Iron Surfaces: A Surface Science Investigation,” D.J. Dwyer and J.H. Hardenbergh, Journal of Catalysis, 87 (1984) 66.

“Iron Fischer-Tropsch Catalysts: Surface Synthesis at High Pressure,” D.J. Dwyer, Petroleum Division Preprints, 188th American Chemical Society Meeting (1984).

“Catalytic Reduction of Carbon Monoxide Over Potassium Modified Iron Surfaces,” D.J. Dwyer and J.H. Hardenbergh, Applications of Surface Science, 19 Nos. 1-4 (1984).

“Characterization of Fe, Fe-Cu and Fe-Ag Fischer-Tropsch Catalysts,” I.E. Wachs, D.J. Dwyer and E. Iglesia, Applied Catalysis, 12 (1984) 201.

“Na-Induced Bonding and Bond-Length Changes for CO on Pt(111): A NEXAFS Study,” F. Sette, J. Stohr, E.B. Kollin, D.J. Dwyer, J.L. Gland and J.L. Robbins, Physical Review Letters, 54 No. 9 (1985) 935.

“The Suppression of CO Chemisorption on TiO2 Modified Pt,” D.J. Dwyer, J.L. Gland and S.D. Cameron, Journal of Vacuum Science and Technology, A3 No. 3 (1985) 1569.

“Surface Modification of Pt by Titanium Dioxide Overlayers: A Case of Simple Site Blocking,” D.J. Dwyer, S.D. Cameron and J.L. Gland, Surface Science, 159 (1985) 430.

“Adsorption of CO on the Clean and Sulfur Modified Fe(100) Surface,” D.W. Moon, D.J. Dwyer and S.L. Bernasek, Surface Science, 163 (1985) 215.

“Observation of an Unusually Low CO Stretching Frequency on Fe(100),” D.W. Moon, S.L. Bernasek, J.L. Gland and D.J. Dwyer, Journal of the American Chemical Society, 107 (1985) 4363.

“Iron Fischer-Tropsch Catalysts: Surface Synthesis at High Pressure,” D.J. Dwyer, in Catalysts Characterization Science edited by M.L. Deviney and J.L. Gland, ACS Symposium Series, No. 288, ACS, Washington, D.C. (1985).

“Chemisorption and Catalysis over TiO2-Modified Pt Surfaces,” D.J. Dwyer, J.L. Robbins, S.D. Cameron, N. Dudash and J.H. Hardenbergh, in Strong Metal-Support Interactions, edited by R.T.K. Baker, S.J. Tauster and J.A. Dumesic, ACS Symposium Series, No. 298, ACS, Washington, D.C. (1985).

“The Surface Chemistry of Iron Fisher-Tropsch Catalysts,” D.J. Dwyer and J.H. Hardenbergh, American Chemical Society Meeting, Fuels Division Preprints, April (1986).

“Surface Core Level Shifts in Pt3Ti(111),” D.J. Dwyer and S.D. Cameron, Surface Science, 176 (1986) L857.

“A Tilted Precursor to CO Dissociation on Fe(100),” D.J. Dwyer, W. Eberhardt, S.D. Cameron and J.L. Gland, Surface Science Letters, 180 (1986) L123.

“The Interaction of CO and O2 with the (111) Surface of Pt3Ti,” J. Paul, S.D. Cameron, D.J. Dwyer and F. M. Hoffman, Surface Science, 177 (1986) 121.

“Soft X-ray Photoemission of Pt(111) and Pt3Ti(111),” S.D. Cameron, D. Sondericker and D.J. Dwyer, National Synchrotron Light Source Annual Report, Brookhaven National Laboratory, Oct. (1986).

“Activation of CO on Clean and Sulfur Covered Iron Surfaces,” D.J. Dwyer and J.L. Gland, Surface Science, 184 (1987) 90.

“A Study of -Bonded CO on Fe(100),” S.D. Cameron and D.J. Dwyer, Langmuir, 4 (1988) 282.

“Alkali Enhanced CO Dissociation on Fe(100),” D.J. Dwyer and S.D. Cameron, J. Vac. Sci. and Technol., A 6(3) (1988) 516.

“Characterization of CO on Fe(100),” S.D. Cameron and D.J. Dwyer, J. Vac. Sci. and Technol., A 6 (3) (1988) 796.

“Charge Transfer Effects in CO Bond Cleavage,” S.D. Cameron and D.J. Dwyer, Surface Science, 198 (1988) 315.

“Adsorption State Conversion of CO on Fe(100),” J.P. Lu, M.R. Albert, S.L. Bernasek and D.J. Dwyer, Surface Science, 199 (1988) L406.

“The Mechanism of Methanol Decomposition on Fe(100): Comparison to Methanethiol,” M.R. Albert, J.P. Lu, S.L. Bernasek and D.J. Dwyer, Surface Science, 221 (1989) 348.

“Decomposition of Methanol on Oxygen-Modified Fe(100),” J.P. Lu, S.L. Bernasek and D.J. Dwyer, Surface Science, 218 (1989) 1.

“Fluorescence Yield Near Edge Spectroscopy of -Bonded CO on Fe(100),” D. J. Dwyer, B. Rausenberger, D. Fischer, S. L. Bernasek, J. P. Lu and J.L. Gland, Surface Science, 224 (1989) 375.

“Alkali Modification of Iron Fischer-Tropsch Catalysts,” in Physics and Chemistry of Alkali Adsorption, ed. H.P. Bonzel, A.M. Bradshaw and G. Ertl, Materials Science Monographs 57, p307, (Elsevier, Amsterdam 1989).

“The Adsorption of Oxygen on The Fe(100) Surface,” J.P. Lu, M.R. Albert, S.L. Bernasek, D.J. Dwyer, Surface Science, 215 (1989) 348.

“Surface Science Studies on the Surface Acoustic Wave H2S Sensor,” M. Grunze, S. Marohn and D.J. Dwyer, Dechema Monographien “Katalyse,” 118 (1989) 1.

Decomposition of Methanol on Oxygen-modified Fe(100) II. Preadsorbed Oxygen as a Poison, Selectivity Modifier and Promoter., J.J. Lu, M. Albert, S.L. Bernasek and D.J. Dwyer, Surface Science, 239 (1990) 49.

“Surface Chemistry of Solid State Gas Sensors,: H2S on WO3 Films” D.J. Dwyer, Sensors and Actuators, 5, No.1-4 (1991) 155.

“Controlled-Atmosphere Photoelectron Spectroscopy,” M. Grunze, Y. Tsai, M. Nassir and D. J. Dwyer. in Surface Science of Catalysis ed. D. J. Dwyer and F. M. Hoffmann, ACS Books (1992). “The Promise of Surface Science in Catalysis,” F.M. Hoffmann and D.J. Dwyer, ACS Symposium Series 482 (1992) 1-22.

“Sequential Carbon-Oxygen Bond Cleavage In Dissociative Chemisorption of CO2 on Fe(100), M. H. Nassir and D. J. Dwyer, J. of Vacuum Science and Technology, A 11 (4), August (1993) 2104.

“An Ultra-High Vacuum Cold Finger for Surface Chemistry Studies,” D. Frankel, B. Jackson, and D. J Dwyer, Review of Scientific Instruments, 64 (8), August (1993), 2368

“Structure Determination of Pt3Ti(111) by Automated Tensor LEED,” W. Chen, J. A. Paul, M. A. Van Hove, S. D. Cameron, and D. J. Dwyer, J. Physics: Condensed Matter , 5 (1993), 4585

“The Formation and Stability of Sulfhydrl Groups on Au (110) Surface,” B. Fruhberger and D. J. Dwyer, Journal of Physical Chemistry, 98 (1994) 609.

“Surface Enrichment and Grain Boundary Segregation of Niobium in Inconel 718 Single and Poly-Crystals,” X. J. Pang, D. J Dwyer, M. Gao, P. Valerio and R. P. Wei, Scripta Metallurgica et Materialia, 31 (1994) 345.

“Coverage Dependence of CO Dissociation on Clean and Hydrogen Presaturated Fe(100) Surface,” M. H. Nassir, B. Frühberger and D. J. Dwyer, Surface Science, 312 (1994) 115-123

“Surface Enrichment of Niobium on Inconel 718 (100) Single Crystals,” D. J. Dwyer, X. J. Pang, M. Gao and R. P. Wei, Applied Surface Science 81, (1994) 229.

“Chemical and Microstructural Aspects of Creep Crack Growth in Inconel 718 Alloy,” M. Gao, D. J. Dwyer, R. P. Wei in The Third International Symposium on Superalloys , Ed., E. A. Loria, TMS Publications, (1994) pp. 229-237.

“Overlayer Domain Boundary Effects in the Thermal Desorption of CO from Fe(100),” M. Nassir and D. J Dwyer, in preparation.

“Role of Physisorbed Precursors in Non-reactive Coadsorption of CO and H2 on Fe(100),” M. Nassir and D. J. Dwyer, in preparation.

“The Effect of Coadsorbed Hydrogen on the Molecular Orbitals of CO on Fe(100),” M. Nassir and D. J. Dwyer, in preparation.

“Niobium Enrichment and Envirnomental Enhancement of Creep Crack Growth in Nickel-Base Superalloys,” M. Gao, D. J Dwyer, and R. P. Wei, Scripta Metallurgica et Materialia 32 (1995) 1169.

“XPS Identification of the Chemical State of Subsurface Oxygen on Pd (110): The Origin of Catalytic Oscillations in CO Oxidation?,” V. A. Bondzie, P. Kleban, D. J. Dwyer, Surface Science 347 (1996) 319-328.

“Environmentally-Enhanced Cavity Growth in Nickel and Nickel-Based Alloys,” H. M. Lu, T. J. Delph, D. J. Dwyer, M. Gao and R. P. Wei, Acta Metallurgica 44 (1996) 3259.

“Surface Chemistry of H2S Sensitive Tungsten Oxide Films,” B. Fruhberger, M. Grunze and D. J. Dwyer, accepted for publication, Sensors and Actuators B, (1996).

“Dissociation-Stimulated Desorption: A New Mechanism for CO Desorption from Fe(100),” M. Nassir, D. J. Dwyer, and P. Kleban, Surface Science (1996).

“Gas Sensing Based on Surface Oxidation/Reduction of Thin Discontinuous Platinum-Titania Films, I. Film Characterization and Response,” R.M. Walton, D.J. Dwyer, J.W. Schwank, and J.L. Gland, Surface Science (1996).

“Gas Sensing Based on Surface Oxidation/Reduction of Thin Discontinuous Platinum-Titania Films, II. Sensitization of Films with Oxygen Treatments,” R.M. Walton, D.J. Dwyer, J.W. Schwank, and J.L. Gland, Surface Science (1997).

“Stripping Analysis of Mercury Using Gold Electrodes: Irreversible Adsorption of Mercury”, Charles Watson, D. J. Dwyer, J. C. Andle, A. Bruce and M. Bruce, Analytical Chemistry vol 71 pp 3181 (1999).

“Kinetics of PdO Formation and CO Reduction on Pd(110)”, V. A. Bondzie, D.J. Dwyer, P.H. Kleban, submitted to Surface Science vol 465 266-276 (2000)

“An Extended Formalism for Spatial Flux Distributions of Capillary array Dosers as Calibrated Flux Sources”, R. H. Jackson, D. J. Dwyer and B. G. Frederick submitted to Journal of Vacuum Science and Technology (2001)