David E. Ramaker - Publications

Affiliations: 
Chemistry The George Washington University, Washington, DC, United States 
Area:
Physical Chemistry

112 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2016 Zhai Y, Baturina O, Ramaker DE, Farquhar E, St-Pierre J, Swider-Lyons KE. Bromomethane Contamination in the Cathode of Proton Exchange Membrane Fuel Cells. Electrochimica Acta. 213: 482-489. PMID 27695133 DOI: 10.1016/J.Electacta.2016.06.157  0.542
2016 Jia Q, Li J, Caldwell K, Ramaker DE, Ziegelbauer JM, Kukreja RS, Kongkanand A, Mukerjee S. Circumventing Metal Dissolution Induced Degradation of Pt-Alloy Catalysts in Proton Exchange Membrane Fuel Cells: Revealing the Asymmetric Volcano Nature of Redox Catalysis Acs Catalysis. 6: 928-938. DOI: 10.1021/Acscatal.5B02750  0.834
2016 Zhai Y, Baturina O, Ramaker DE, Farquhar E, St-Pierre J, Swider-Lyons KE. Bromomethane Contamination in the Cathode of Proton Exchange Membrane Fuel Cells Electrochimica Acta. 213: 482-489. DOI: 10.1016/j.electacta.2016.06.157  0.456
2016 Patridge CJ, Love CT, Ramaker DE. Utilization of heavy alkali dopants as a beacon to study the cathode electrolyte decomposition layer in lithium-ion batteries Ionics. 22: 51-62. DOI: 10.1007/S11581-015-1519-7  0.38
2015 Jia Q, Caldwell K, Strickland K, Ziegelbauer JM, Liu Z, Yu Z, Ramaker DE, Mukerjee S. Improved Oxygen Reduction Activity and Durability of Dealloyed PtCo x Catalysts for Proton Exchange Membrane Fuel Cells: Strain, Ligand, and Particle Size Effects. Acs Catalysis. 5: 176-186. PMID 26413384 DOI: 10.1021/Cs501537N  0.84
2015 Zhai Y, Baturina O, Ramaker D, Farquhar E, St-Pierre J, Swider-Lyons K. Chlorobenzene Poisoning and Recovery of Platinum-Based Cathodes in Proton Exchange Membrane Fuel Cells. The Journal of Physical Chemistry. C, Nanomaterials and Interfaces. 119: 20328-20338. PMID 26388963 DOI: 10.1021/Acs.Jpcc.5B06362  0.496
2015 Caldwell KM, Ramaker DE, Jia Q, Mukerjee S, Ziegelbauer JM, Kukreja RS, Kongkanand A. Spectroscopic in situ Measurements of the Relative Pt Skin Thicknesses and Porosities of Dealloyed PtM n (Ni, Co) Electrocatalysts. The Journal of Physical Chemistry. C, Nanomaterials and Interfaces. 119: 757-765. PMID 26191117 DOI: 10.1021/Jp5098553  0.819
2015 Roth C, Kaserer S, Brieger C, Caldwell KM, Melke J, Ramaker DE. The power of in-situ studies: How X-ray absorption spectroscopy can help to develop PEMFC catalysts with increased activity and stability Ecs Transactions. 69: 147-156. DOI: 10.1149/06917.0147ecst  0.842
2015 Caldwell KM, Kaserer S, Roth C, Ramaker DE. Following Adsorbate Coverage on Anodes of High-Temperature Polymer Electrolyte Membrane Fuel Cells in the Presence of CO and H2O by using InOperando X-ray Absorption Spectroscopy Chemelectrochem. 2: 1502-1509. DOI: 10.1002/celc.201500228  0.795
2015 Ramaker DE, Roth C. Nature of the Intermediate Binding Sites in Hydrogen Oxidation/Evolution over Pt in Alkaline and Acidic Media Chemelectrochem. 2: 1582-1594. DOI: 10.1002/celc.201500111  0.499
2015 Ramaker DE. Novel XAS Techniques for Probing Fuel Cells and Batteries X-Ray Absorption and X-Ray Emission Spectroscopy: Theory and Applications. 2: 485-522. DOI: 10.1002/9781118844243.ch18  0.344
2014 Jia Q, Caldwell K, Ziegelbauer JM, Kongkanand A, Wagner FT, Mukerjee S, Ramaker DE. The Role of OOH Binding Site and Pt Surface Structure on ORR Activities. Journal of the Electrochemical Society. 161: F1323-F1329. PMID 26190857 DOI: 10.1149/2.1071412Jes  0.83
2014 Ramaker DE, Korovina A, Croze V, Melke J, Roth C. Following ORR intermediates adsorbed on a Pt cathode catalyst during break-in of a PEM fuel cell by in operando X-ray absorption spectroscopy. Physical Chemistry Chemical Physics : Pccp. 16: 13645-53. PMID 24664398 DOI: 10.1039/C4Cp00192C  0.83
2014 Patridge C, Love C, Dmowski W, Ramaker D, Johannes M, Swider-Lyons K. Structure-Stability Correlations in Li-ion Battery Cathode Materials Mrs Proceedings. 1655. DOI: 10.1557/Opl.2014.412  0.403
2014 Jia Q, Caldwell K, Ramaker DE, Ziegelbauer JM, Liu Z, Yu Z, Trahan M, Mukerjee S. In situ spectroscopic evidence for ordered core-ultrathin shell Pt1Co1 nanoparticles with enhanced activity and stability as oxygen reduction electrocatalysts Journal of Physical Chemistry C. 118: 20496-20503. DOI: 10.1021/Jp507204K  0.839
2013 Love CT, Korovina A, Patridge CJ, Swider-Lyons KE, Twigg ME, Ramaker DE. Review of LiFePO4 Phase Transition Mechanisms and New Observations from X-ray Absorption Spectroscopy Journal of the Electrochemical Society. 160. DOI: 10.1149/2.023305Jes  0.749
2013 Farmand M, Licht S, Ramaker D. Studying the reversibility of multielectron charge transfer in Fe(VI) cathodes utilizing X-ray absorption spectroscopy Journal of Physical Chemistry C. 117: 19875-19884. DOI: 10.1021/Jp406626X  0.692
2013 Kaserer S, Caldwell KM, Ramaker DE, Roth C. Analyzing the influence of H3PO4 as catalyst poison in high temperature PEM fuel cells using in-operando X-ray absorption spectroscopy Journal of Physical Chemistry C. 117: 6210-6217. DOI: 10.1021/Jp311924Q  0.839
2013 Jia Q, Ramaker DE, Ziegelbauer JM, Ramaswamy N, Halder A, Mukerjee S. Fundamental aspects of ad-metal dissolution and contamination in low and medium temperature fuel cell electrocatalysis: A Cu based case study using in situ electrochemical X-ray absorption spectroscopy Journal of Physical Chemistry C. 117: 4585-4596. DOI: 10.1021/Jp311353U  0.456
2013 He Q, Shyam B, Nishijima M, Ramaker D, Mukerjee S. Mitigating phosphate anion poisoning of cathodic Pt/C catalysts in phosphoric acid fuel cells Journal of Physical Chemistry C. 117: 4877-4887. DOI: 10.1021/Jp309282N  0.822
2013 He Q, Shyam B, Nishijima M, Yang X, Koel B, Ernst F, Ramaker D, Mukerjee S. Highly stable Pt-Au@Ru/C catalyst nanoparticles for methanol electro-oxidation Journal of Physical Chemistry C. 117: 1457-1467. DOI: 10.1021/Jp308133Q  0.811
2013 Jia Q, Segre CU, Ramaker D, Caldwell K, Trahan M, Mukerjee S. Structure-property-activity correlations of Pt-bimetallic nanoparticles: A theoretical study Electrochimica Acta. 88: 604-613. DOI: 10.1016/J.Electacta.2012.10.124  0.821
2012 He Q, Shyam B, Macounová K, Krtil P, Ramaker D, Mukerjee S. Dramatically enhanced cleavage of the C-C bond using an electrocatalytically coupled reaction. Journal of the American Chemical Society. 134: 8655-61. PMID 22515430 DOI: 10.1021/Ja301992H  0.744
2012 Korovina A, Garsany Y, Epshteyn A, Purdy AP, More K, Swider-Lyons KE, Ramaker DE. Understanding oxygen reduction on tantalum oxyphosphate and tantalum oxide supported platinum by X-ray absorption spectroscopy Journal of Physical Chemistry C. 116: 18175-18183. DOI: 10.1021/Jp302023H  0.828
2012 Dixon D, Habereder A, Farmand M, Kaserer S, Roth C, Ramaker DE. Space resolved, in operando X-ray absorption spectroscopy: Investigations on both the anode and cathode in a direct methanol fuel cell Journal of Physical Chemistry C. 116: 7587-7595. DOI: 10.1021/Jp211321U  0.723
2012 Melke J, Schoekel A, Gerteisen D, Dixon D, Ettingshausen F, Cremers C, Roth C, Ramaker DE. Electrooxidation of ethanol on Pt. An in situ and time-resolved XANES study Journal of Physical Chemistry C. 116: 2838-2849. DOI: 10.1021/Jp206295H  0.557
2012 Ramaker DE, Roth C. X-ray absorption near edge structure (δμ XANES) techniques for low temperature fuel cell characterization Polymer Electrolyte Membrane and Direct Methanol Fuel Cell Technology: in Situ Characterization Techniques For Low Temperature Fuel Cells. 120-145. DOI: 10.1016/B978-1-84569-774-7.50005-0  0.46
2011 Farmand M, Jiang D, Wang B, Ghosh S, Ramaker DE, Licht S. Super-iron nanoparticles with facile cathodic charge transfer Electrochemistry Communications. 13: 909-912. DOI: 10.1016/J.Elecom.2011.03.039  0.646
2011 Schoekel A, Dixon D, Melke J, Ramaker DE, Roth C. In operando fuel cell and experimental design for XAS Acs National Meeting Book of Abstracts 0.32
2010 Ramaker DE, Koningsberger DC. The atomic AXAFS and Delta(mu) XANES techniques as applied to heterogeneous catalysis and electrocatalysis. Physical Chemistry Chemical Physics : Pccp. 12: 5514-34. PMID 20442940 DOI: 10.1039/B927120C  0.546
2010 Melke J, Schoekel A, Dixon D, Cremers C, Ramaker DE, Roth C. Ethanol oxidation on carbon-supported Pt, PtRu, and PtSn catalysts studied by operando X-ray absorption spectroscopy Journal of Physical Chemistry C. 114: 5914-5925. DOI: 10.1021/Jp909342W  0.577
2010 Scott FJ, Mukerjee S, Ramaker DE. Contrast in metal-ligand effects on PtnM electrocatalysts with M equal Ru vs Mo and Sn As exhibited by in situ XANES and EXAFS measurements in methanol Journal of Physical Chemistry C. 114: 442-453. DOI: 10.1021/Jp908582R  0.764
2010 Arruda TM, Shyam B, Lawton JS, Ramaswamy N, Budil DE, Ramaker DE, Mukerjee S. Fundamental aspects of spontaneous cathodic deposition of Ru onto Pt/C electrocatalysts and membranes under direct methanol fuel cell operating conditions: An in situ X-ray absorption spectroscopy and electron spin resonance study Journal of Physical Chemistry C. 114: 1028-1040. DOI: 10.1021/Jp908082J  0.786
2010 Ramaker DE, Gatewood D, Korovina A, Garsany Y, Swider-Lyons KE. Resolving sulfur oxidation and removal from Pt and Pt3Co electrocatalysts using in situ X-ray absorption spectroscopy Journal of Physical Chemistry C. 114: 11886-11897. DOI: 10.1021/Jp101977G  0.824
2009 Shyam B, Arruda TM, Mukerjee S, Ramaker DE. Effect of RuOxHy island size on PtRu particle aging in methanol Journal of Physical Chemistry C. 113: 19713-19721. DOI: 10.1021/Jp905383N  0.799
2009 Ziegelbauer JM, Gatewood D, Gullá AF, Guinel MJF, Ernst F, Ramaker DE, Mukerjee S. Fundamental investigation of oxygen reduction reaction on rhodium sulfide-based chalcogenides Journal of Physical Chemistry C. 113: 6955-6968. DOI: 10.1021/Jp809296X  0.811
2009 He Q, Mukerjee S, Shyam B, Ramaker D, Parres-Esclapez S, Illán-Gómez MJ, Bueno-López A. Promoting effect of CeO2 in the electrocatalytic activity of rhodium for ethanol electro-oxidation Journal of Power Sources. 193: 408-415. DOI: 10.1016/J.Jpowsour.2009.03.056  0.747
2008 Pietron JJ, Garsany Y, Baturina O, Swider-Lyons KE, Stroud RM, Ramaker DE, Schull TL. Erratum: Electrochemical Observation of Ligand Effects on Oxygen Reduction at Ligand-Stabilized Pt Nanoparticle Electrocatalysts [Electrochem. Solid-State Lett., 11, B161 (2008)] Electrochemical and Solid-State Letters. 11: S3. DOI: 10.1149/1.2965883  0.408
2008 Gatewood DS, Ramaker DE, Sasaki K, Swider-Lyons KE. Support effects on water activation and oxygen reduction over Au- SnOx electrocatalysts observed with X-ray absorption spectroscopy Journal of the Electrochemical Society. 155. DOI: 10.1149/1.2938725  0.832
2008 Pietron JJ, Garsany Y, Baturina O, Swider-Lyons KE, Stroud RM, Ramaker DE, Schull TL. Electrochemical observation of ligand effects on oxygen reduction at ligand-stabilized Pt nanoparticle electrocatalysts Electrochemical and Solid-State Letters. 11: B161-B165. DOI: 10.1149/1.2937448  0.54
2008 Arruda TM, Shyam B, Ziegelbauer JM, Mukerjee S, Ramaker DE. Investigation into the competitive and site-specific nature of anion adsorption on Pt using in situ X-ray absorption spectroscopy Journal of Physical Chemistry C. 112: 18087-18097. DOI: 10.1021/Jp8067359  0.79
2008 Gatewood DS, Schull TL, Baturina O, Pietron JJ, Garsany Y, Swider-Lyons KE, Ramaker DE. Characterization of ligand effects on water activation in triarylphosphine-stabilized Pt nanoparticle catalysts by x-ray absorption spectroscopy Journal of Physical Chemistry C. 112: 4961-4970. DOI: 10.1021/Jp709588C  0.84
2007 Bus E, Ramaker DE, van Bokhoven JA. Structure of ethene adsorption sites on supported metal catalysts from in situ XANES Analysis. Journal of the American Chemical Society. 129: 8094-102. PMID 17564442 DOI: 10.1021/Ja0689233  0.457
2007 Shyam B, Arruda T, Ziegelbauer JM, Mukerjee S, Ramaker DE. Observation of PtRu particle aging in methanol with X-ray absorption spectroscopy Ecs Transactions. 11: 1359-1368. DOI: 10.1149/1.2781048  0.722
2007 Arruda TM, Shyam B, Ziegelbaues JM, Ramaker D, Mukerjee S. In situ XAS investigation of electrocatalyst surface poisoning by halides Ecs Transactions. 11: 903-911. DOI: 10.1149/1.2781002  0.8
2007 Gatewood D, Ramaker DE, Sasaki K, Swider-Lyons KE. Establishing the mechanism for oxygen reduction on Au/SnOx using in situ X-ray absorption spectroscopy Ecs Transactions. 11: 271-276. DOI: 10.1149/1.2780939  0.469
2007 Scott FJ, Mukerjee S, Ramaker DE. CO coverage/oxidation correlated with PtRu electrocatalyst particle morphology in 0.3 M methanol by in situ XAS Journal of the Electrochemical Society. 154. DOI: 10.1149/1.2709496  0.762
2007 Van Bokhoven JA, Bus E, Ramaker DE. Structure of catalytically active sites in supported metal catalysts Aip Conference Proceedings. 882: 702-704. DOI: 10.1063/1.2644638  0.348
2007 Ramaker D, Gatewood D, Beale AM, Weckhuysen BM. ED-XAS data reveal in-situ time-resolved adsorbate coverage on supported molybdenum oxide catalysts during propane dehydrogenation Aip Conference Proceedings. 882: 619-621. DOI: 10.1063/1.2644610  0.363
2007 Scott FJ, Roth C, Ramaker DE. Kinetics of CO poisoning in simulated reformate and effect of Ru island morphology on PtRu fuel cell catalysts as determined by operando X-ray absorption near edge spectroscopy Journal of Physical Chemistry C. 111: 11403-11413. DOI: 10.1021/Jp072698+  0.785
2007 Teliska M, Murthi VS, Mukerjee S, Ramaker DE. Site-specific vs specific adsorption of anions on Pt and Pt-based alloys Journal of Physical Chemistry C. 111: 9267-9274. DOI: 10.1021/Jp071106K  0.475
2007 Stakheev AY, Zhang Y, Ivanov AV, Baeva GN, Ramaker DE, Koningsberger DC. Separation of geometric and electronic effects of the support on the CO and H2 chemisorption properties of supported Pt particles: The effect of ionicity in modified alumina supports Journal of Physical Chemistry C. 111: 3938-3948. DOI: 10.1021/Jp0651182  0.5
2007 Ji Y, Koot V, van der Eerden AMJ, Weckhuysen BM, Koningsberger DC, Ramaker DE. A three-site Langmuir adsorption model to elucidate the temperature, pressure, and support dependence of the hydrogen coverage on supported Pt particles Journal of Catalysis. 245: 415-427. DOI: 10.1016/J.Jcat.2006.10.028  0.421
2007 van Riessen GA, Thurgate SM, Ramaker DE. Auger-photoelectron coincidence spectroscopy of SiO2 Journal of Electron Spectroscopy and Related Phenomena. 161: 150-159. DOI: 10.1016/J.Elspec.2007.02.028  0.324
2006 Kostelansky CN, Pietron JJ, Chen MS, Dressick WJ, Swider-Lyons KE, Ramaker DE, Stroud RM, Klug CA, Zelakiewicz BS, Schull TL. Triarylphosphine-stabilized platinum nanoparticles in three-dimensional nanostructured films as active electrocatalysts. The Journal of Physical Chemistry. B. 110: 21487-96. PMID 17064099 DOI: 10.1021/Jp062663U  0.539
2006 Ziegelbauer JM, Gatewood D, Gullá AF, Ramaker DE, Mukerjee S. X-ray absorption spectroscopy studies of water activation on an Rh xS y electrocatalyst for oxygen reduction reaction applications Electrochemical and Solid-State Letters. 9: A430-A434. DOI: 10.1149/1.2218304  0.8
2006 Baker WS, Pietron JJ, Teliska ME, Bouwman PJ, Ramaker DE, Swider-Lyons KE. Enhanced oxygen reduction activity in acid by tin-oxide supported Au nanoparticle catalysts Journal of the Electrochemical Society. 153: A1702-A1707. DOI: 10.1149/1.2216527  0.826
2006 Weiher N, Bus E, Delannoy L, Louis C, Ramaker DE, Miller JT, van Bokhoven JA. Structure and oxidation state of gold on different supports under various CO oxidation conditions Journal of Catalysis. 240: 100-107. DOI: 10.1016/J.Jcat.2006.03.010  0.45
2005 Teliska M, O'Grady WE, Ramaker DE. Determination of O and OH adsorption sites and coverage in situ on Pt electrodes from Pt L(2,3) X-ray absorption spectroscopy. The Journal of Physical Chemistry. B. 109: 8076-84. PMID 16851943 DOI: 10.1021/jp0502003  0.437
2005 Ramaker DE, Oudenhuijzen MK, Koningsberger DC. Strong support effects on the insulator to metal transition in supported Pt clusters as observed by X-ray absorption spectroscopy. The Journal of Physical Chemistry. B. 109: 5608-17. PMID 16851604 DOI: 10.1021/Jp044686J  0.432
2005 Roth C, Benker N, Buhrmester T, Mazurek M, Loster M, Fuess H, Koningsberger DC, Ramaker DE. Determination of O[H] and CO coverage and adsorption sites on PtRu electrodes in an operating PEM fuel cell. Journal of the American Chemical Society. 127: 14607-15. PMID 16231913 DOI: 10.1021/Ja050139F  0.53
2005 Oudenhuijzen MK, van Bokhoven JA, Miller JT, Ramaker DE, Koningsberger DC. Three-site model for hydrogen adsorption on supported platinum particles: influence of support ionicity and particle size on the hydrogen coverage. Journal of the American Chemical Society. 127: 1530-40. PMID 15686386 DOI: 10.1021/Ja045286C  0.485
2005 Ziegelbauer JM, Gatewood D, Mukerjee S, Ramaker DE. In situ X-ray absorption spectroscopy studies of water activation on novel electrocatalysts for oxygen reduction reaction in acid electrolyte Ecs Transactions. 1: 119-128. DOI: 10.1149/1.2214481  0.344
2005 Teliska M, Murthi VS, Mukerjee S, Ramaker DE. Correlation of water activation, surface properties, and oxygen reduction reactivity of supported Pt-M/C bimetallic electrocatalysts using XAS Journal of the Electrochemical Society. 152. DOI: 10.1149/1.2040949  0.529
2005 Teliska M, Ramaker DE, Srinivasamurthi V, Mukerjee S. In situ determination of O(H) adsorption sites on Pt based alloy electrodes using X-ray Absorption Spectroscopy Proceedings - Electrochemical Society. 212-216.  0.412
2004 Tromp M, Slagt MQ, Klein Gebbink RJM, Van Koten G, Ramaker DE, Koningsberger DC. Atomic XAFS as a probe of electron transfer within organometallic complexes: Data analysis and theoretical calculations Physical Chemistry Chemical Physics. 6: 4397-4406. DOI: 10.1039/B407064J  0.409
2004 Oudenhuijzen MK, Van Bokhoven JA, Ramaker DE, Koningsberger DC. Theoretical study on Pt particle adsorbate bonding: Influence of support ionicity and implications for catalysis Journal of Physical Chemistry B. 108: 20247-20254. DOI: 10.1021/Jp047193N  0.432
2004 Teliska M, O'Grady WE, Ramaker DE. Determination of H adsorption sites on Pt/C electrodes in HClO4 from Pt L23 X-ray absorption spectroscopy Journal of Physical Chemistry B. 108: 2333-2344. DOI: 10.1021/Jp0356113  0.545
2003 Ramaker DE, Teliska M, Zhang Y, Stakheev AY, Koningsberger DC. Understanding the influence of support alkalinity on the hydrogen and oxygen chemisorption properties of Pt particles: Comparison of X-ray absorption near edge data from gas phase and electrochemical systems Physical Chemistry Chemical Physics. 5: 4492-4501. DOI: 10.1039/B305883M  0.533
2003 Koningsberger DC, Oudenhuijzen MK, De Graaf J, Van Bokhoven JA, Ramaker DE. In situ X-ray absorption spectroscopy as a unique tool for obtaining information on hydrogen binding sites and electronic structure of supported Pt catalysts: Towards an understanding of the compensation relation in alkane hydrogenolysis Journal of Catalysis. 216: 178-191. DOI: 10.1016/S0021-9517(02)00135-5  0.511
2002 Ramaker DE, Koningsberger DC. Comment on "Effect of hydrogen adsorption on the X-ray absorption spectra of small Pt clusters". Physical Review Letters. 89: 139701; author reply. PMID 12225071 DOI: 10.1103/PhysRevLett.89.139701  0.362
2002 Van Dorssen GE, Koningsberger DC, Ramaker DE. Separation of double-electron and atomic XAFS contributions in x-ray absorption spectra of Pt foil and Na2Pt(OH)6 Journal of Physics Condensed Matter. 14: 13529-13541. DOI: 10.1088/0953-8984/14/49/309  0.442
2002 Natishan PM, Yu SY, O'Grady WE, Ramaker DE. X-ray absorption near edge structure and X-ray photoelectron spectroscopy studies of chloride in passive oxide films Electrochimica Acta. 47: 3131-3136. DOI: 10.1016/S0013-4686(02)00232-3  0.429
2002 Ramaker DE, Koningsberger DC, Ankudinov AL, Rehr JJ, Low JJ, Bare SR. Comment on "effect of hydrogen adsorption on the X-ray absorption spectra of small Pt clusters" [2] (multiple letters) Physical Review Letters. 89: 1397011-1397021.  0.36
2001 Van Bokhoven JA, Koningsberger DC, Ramaker DE. The interaction of aromatic molecules with the acid site in zeolite H-Beta as observed through a newly discovered, Fano resonance at the Al K edge Journal of Physics Condensed Matter. 13: 10383-10398. DOI: 10.1088/0953-8984/13/46/310  0.311
2001 Koningsberger DC, Ramaker DE, Miller JT, De Graaf J, Mojet BL. The direct influence of the support on the electronic structure of the active sites in supported metal catalysts: Evidence from Pt-H anti-bonding shape resonance and Pt-CO FTIR data Topics in Catalysis. 15: 35-42. DOI: 10.1023/A:1009067712537  0.52
2001 Nabi TM, Sambé H, Ramaker DE. AFM study of topographical changes on aluminum surfaces in sulfuric acid under low current anodic dissolution Journal of Electroanalytical Chemistry. 501: 33-40. DOI: 10.1016/S0022-0728(00)00475-7  0.32
2001 Ramaker DE, De Graaf J, Van Veen JAR, Koningsberger DC. Nature of the metal-support interaction in supported Pt catalysts: Shift in Pt valence orbital energy and charge rearrangement Journal of Catalysis. 203: 7-17. DOI: 10.1006/Jcat.2001.3299  0.521
2000 Yu SY, O'Grady WE, Ramaker DE, Natishan PM. Chloride ingress into aluminum prior to pitting corrosion. An investigation by XANES and XPS Journal of the Electrochemical Society. 147: 2952-2958. DOI: 10.1149/1.1393630  0.375
2000 Ramaker DE, Van Dorssen GE, Mojet BL, Koningsberger DC. An atomic X-ray absorption fine structure study of the influence of hydrogen chemisorption and support on the electronic structure of supported Pt particles Topics in Catalysis. 10: 157-165. DOI: 10.1023/A:1019157327060  0.447
2000 Koningsberger DC, Oudenhuijzen MK, Bitter JH, Ramaker DE. Study of geometrical and electronic effects induced by hydrogen chemisorption on supported Pt particles. Analysis of Pt-H EXAFS and Pt-H anti-bonding state shape resonances Topics in Catalysis. 10: 167-177. DOI: 10.1023/A:1019153226151  0.517
2000 Koningsberger DC, Mojet BL, Van Dorssen GE, Ramaker DE. XAFS spectroscopy; fundamental principles and data analysis Topics in Catalysis. 10: 143-155. DOI: 10.1023/A:1019105310221  0.371
2000 Koningsberger DC, De Graaf J, Mojet BL, Ramaker DE, Miller JT. The metal-support interaction in Pt/Y zeolite: Evidence for a shift in energy of metal d-valence orbitals by Pt-H shape resonance and atomic XAFS spectroscopy Applied Catalysis a: General. 191: 205-220. DOI: 10.1016/S0926-860X(99)00320-8  0.535
2000 Miller JT, Mojet BL, Ramaker DE, Koningsberger DC. New model for the metal-support interaction evidence for a shift in the energy of the valence orbitals Catalysis Today. 62: 101-114. DOI: 10.1016/S0920-5861(00)00412-0  0.477
2000 Ramaker DE, O'Grady WE. Electrocatalysis at a Pt electrode surface in a fuel cell as observed in situ from Pt-H and Pt-O shape resonances and EXAFS scattering in Pt L2,3 XANES Studies in Surface Science and Catalysis. 130: 419-424. DOI: 10.1016/S0167-2991(00)80993-3  0.498
2000 Koningsberger DC, Oudenhuijzen MK, Ramaker DE, Miller JT. An atomic XAFS study of the metal-support interaction in Pt/SiO2-Al2O3 and Pt/MgO-Al2O3 catalysts: An increase in ionisation potential of platinum with increasing electronegativity of the support oxygen ions Studies in Surface Science and Catalysis. 130: 317-322. DOI: 10.1016/S0167-2991(00)80976-3  0.474
2000 Bitter JH, Cauqui MA, Gatica JM, Bernal S, Ramaker DE, Koningsberger DC. Changes in the electronic structure of Pt/CeO2 based DENOX catalysts as a function of the reduction treatment. Detection of a Pt-H anti-bonding shape resonance and Pt-H EXAFS Studies in Surface Science and Catalysis. 130: 3183-3188.  0.392
1999 O'Grady WE, Ramaker DE. Shape resonances and EXAFS scattering in the Pt L2,3 XANES from a Pt electrode. Journal of Synchrotron Radiation. 6: 599-601. PMID 15263393 DOI: 10.1107/S0909049599000035  0.301
1999 Koningsberger D, Mojet B, Miller J, Ramaker D. XAFS spectroscopy in catalysis research: AXAFS and shape resonances. Journal of Synchrotron Radiation. 6: 135-41. PMID 15263226 DOI: 10.1107/S0909049599002010  0.338
1999 Natishan PM, O'Grady WE, McCafferty E, Ramaker DE, Pandya K, Russell A. Chloride uptake by oxide covered aluminum as determined by X-ray photoelectron and X-ray absorption spectroscopy Journal of the Electrochemical Society. 146: 1737-1740. DOI: 10.1149/1.1391835  0.417
1999 Ramaker DE, Mojet BL, Garriga Oostenbrink MT, Miller JT, Koningsberger DC. Contribution of shape resonance and Pt-H EXAFS in the Pt L 2,3 X-ray absorption edges of supported Pt particles: Application and consequences for catalyst characterization Physical Chemistry Chemical Physics. 1: 2293-2302. DOI: 10.1039/A900716D  0.443
1999 Mojet BL, Ramaker DE, Miller JT, Koningsberger DC. Observation of a hydrogen-induced shape resonance on Pt/LTL catalysts and its relation with support acidity/alkalinity Catalysis Letters. 62: 15-20. DOI: 10.1023/A:1019018215806  0.477
1999 Van Bokhoven JA, Sambe H, Ramaker DE, Koningsberger DC. Al K-edge near-edge X-ray absorption fine structure (NEXAFS) study on the coordination structure of aluminum in minerals and Y zeolites Journal of Physical Chemistry B. 103: 7557-7564. DOI: 10.1021/Jp990478T  0.329
1999 Ramaker DE, Qian X, O'Grady WE. 'Atomic' X-ray absorption fine structure: A new tool for examining electronic and ionic polarization effects Chemical Physics Letters. 299: 221-226. DOI: 10.1016/S0009-2614(98)01260-3  0.352
1999 Mojet BL, Miller JT, Ramaker DE, Koningsberger DC. A new model describing the metal-support interaction in noble metal catalysts Journal of Catalysis. 186: 373-386. DOI: 10.1006/Jcat.1999.2568  0.391
1998 Ramaker DE, Mojet BL, Koningsberger DC, O'Grady WE. Understanding atomic x-ray absorption fine structure in x-ray absorption spectra Journal of Physics Condensed Matter. 10: 8753-8770. DOI: 10.1088/0953-8984/10/39/013  0.402
1998 O'Grady WE, Ramaker DE. 'Atomic' X-ray absorption fine structure: A new tool for examining electrochemical interfaces Electrochimica Acta. 44: 1283-1287. DOI: 10.1016/S0013-4686(98)00249-7  0.458
1997 Ramaker DE, Sambe H, Qian X, O'Grady WE. Application of a novel differential XAFS approach for determination of coordination geometries Journal De Physique. Iv : Jp. 7: C2-223-C2-224. DOI: 10.1051/Jp4/1997172  0.316
1995 Kuhlenbeck H, Lepage M, Michaud M, Sanche L, Sambe H, Ramaker DE. The 3σu* resonance of O2 chemisorbed on Pd(111) and Pt(111) Chemical Physics Letters. 238: 93-98. DOI: 10.1016/0009-2614(95)00383-5  0.353
1992 Sambe H, Ramaker DE. Dissociative electron attachment of O2: a solid-state effect on potential curve crossing Surface Science. 269: 444-451. DOI: 10.1016/0039-6028(92)91290-R  0.318
1991 Hutson FL, Ramaker DE, Koel BE, Gebhard SC. Interpretation of the carbon Auger line shapes for the adsorption and decomposition of ethylene on Ni(100) Surface Science. 248: 119-133. DOI: 10.1016/0167-2584(91)90348-U  0.326
1991 Hutson FL, Ramaker DE, Koel BE. Spectroscopic evidence for carbon-carbon bonding in "carbidic" layers on metals Surface Science. 248: 104-118. DOI: 10.1016/0039-6028(91)90065-Z  0.304
1990 Ramaker DE. Understanding electronegativity effects in core-level electron spectroscopies; application to the high temperature superconductors Journal of Electron Spectroscopy and Related Phenomena. 52: 341-354. DOI: 10.1016/0368-2048(90)85030-D  0.41
1988 Ramaker DE, Turner NH, Hutson FL. Understanding core-level decay processes in the high-temperature superconductors Physical Review B. 38: 11368-11372. DOI: 10.1103/Physrevb.38.11368  0.322
1987 Sambe H, Ramaker DE, Parenteau L, Sanche L. Image charge effects in electron stimulated desorption: O- from O2 condensed on Ar films grown on Pt Physical Review Letters. 59: 236-239. DOI: 10.1103/Physrevlett.59.236  0.362
1987 Ramaker DE, Turner NH, Murday JS, Toth LE, Osofsky M, Hutson FL. Observed trends in the x-ray photoelectron and Auger spectra of high-temperature superconductors Physical Review B. 36: 5672-5675. DOI: 10.1103/Physrevb.36.5672  0.382
1986 Ramaker DE. Desorption of excited neutrals from surfaces via an electron attachment mechanism Nuclear Inst. and Methods in Physics Research, B. 13: 545-549. DOI: 10.1016/0168-583X(86)90563-X  0.319
1983 Ramaker DE. Covalent interaction effects in electron/photon-stimulated desorption Journal of Vacuum Science and Technology a: Vacuum, Surfaces and Films. 1: 1137-1144. DOI: 10.1116/1.572353  0.309
1983 Yousif M, Ramaker DE, Sambe H. Comparison of autoionization and photoelectron spectra for CO Chemical Physics Letters. 101: 472-476. DOI: 10.1016/0009-2614(83)87515-0  0.307
1982 Dunlap BI, Ramaker DE, Murday JS. Effect of screening on the carbon KVV Auger line shape of alkali-metal intercalated graphite Physical Review B. 25: 6439-6446. DOI: 10.1103/Physrevb.25.6439  0.375
1980 Turner NH, Murday JS, Ramaker DE. Summary Abstract: Quantitative determination of the surface composition of sulfur‐bearing anion mixtures by Auger electron spectroscopy Journal of Vacuum Science and Technology. 17: 214-215. DOI: 10.1116/1.570437  0.308
1980 Turner NH, Murday JS, Ramaker DE. Quantitative determination of surface composition of sulfur bearing anion mixtures by Auger electron spectroscopy Analytical Chemistry. 52: 84-92. DOI: 10.1021/Ac50051A021  0.315
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