{"id":355,"date":"2018-03-16T23:58:15","date_gmt":"2018-03-17T03:58:15","guid":{"rendered":"https:\/\/sciences.ucf.edu\/physics\/vaidalab\/?page_id=355"},"modified":"2026-08-20T15:57:48","modified_gmt":"2026-08-20T19:57:48","slug":"publications","status":"publish","type":"page","link":"https:\/\/sciences.ucf.edu\/physics\/vaidalab\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"<p>1. Aakash Gupta, Eric Segrest, Micah Hall, and <strong>Mihai E Vaida<\/strong>, Tracking the Ultrafast Dynamics of Carbon-Carbon Bond Formation Following CH3I Photodissociation on \u00a0Amorphous Silicon Oxide Surfaces, <em>ChemRxiv,<\/em>\u00a0(2026), DOI: <a href=\"https:\/\/doi.org\/10.26434\/chemrxiv.15006200\/v1\">https:\/\/doi.org\/10.26434\/chemrxiv.15006200\/v1<\/a><\/p>\n<p>2. Aakash Gupta, Syeda Faiza Sherazi, Duy Le, Christopher Sweatman, Mihai V Putz, Talat S Rahman, and<strong> Mihai E. Vaida<\/strong>, Direct detection of reactive intermediates in photocatalytic water splitting with small carbon species on TiO2 (100), <em>ChemRxiv,<\/em>\u00a0(2026), DOI: <a href=\"https:\/\/doi.org\/10.26434\/chemrxiv.15005763\/v1\">https:\/\/doi.org\/10.26434\/chemrxiv.15005763\/v1<\/a><\/p>\n<p>3. Aakash Gupta, Tian Wang, Keith Blackman, Corine M Smith, Xiaosong Li, and <strong>Mihai E Vaida<\/strong>, Trapped Fragments Reshape Ultrafast Photoinduced Surface Reaction Dynamics and Pathways on TiO2 (110), <em>ChemRxiv,<\/em>\u00a0(2026), DOI: <a href=\"https:\/\/doi.org\/10.26434\/chemrxiv.10001684\/v1\"> https:\/\/doi.org\/10.26434\/chemrxiv.10001684\/v1<\/a><\/p>\n<p>4. Manuel A Ramirez-Ubillus, Zakariya Mohayman, Akihiro Kushima, Keith Blackman, Sebastian Cimino, <strong>Mihai E Vaida<\/strong>, Yang Yang, and Lei Zhai, CuO\/Cu(OH)<sub>3<\/sub> Heterostructure with Sustained Dynamic Re-equilibration and High HER Activity, <em>ACS Appl. Mater. Interfaces.<\/em> 18, 31242-31254 (2026), DOI:<a href=\"https:\/\/doi.org\/10.1021\/acsami.6c03604\">https:\/\/doi.org\/10.1021\/acsami.6c03604<\/a><\/p>\n<p>5. Keith Blackman, Eric Segrest, George Turner, Kai Machamer, Aakash Gupta, Md Afjal Khan Pathan, S. Novia Berriel, Parag Banerjee, and <strong> Mihai E. Vaida<\/strong>, Simultaneous tracking of ultrafast surface and gas-phase dynamics in solid\u2013gas interfacial reactions, <em>Rev. Sci. Instrum.<\/em> 95, 083003 (2024), DOI: <a href=\"https:\/\/doi.org\/10.1063\/5.0217441\">https:\/\/doi.org\/10.1063\/5.0217441<\/a><\/p>\n<p>6. Keith Blackman, Eric Segrest, George Turner, Kai Machamer, Aakash Gupta, Md Afjal Khan Pathan, S. Novia Berriel, Parag Banerjee, and<strong> Mihai E. Vaida<\/strong>, Simultaneous tracking of ultrafast surface and gas-phase dynamics in solid\u2013gas interfacial reactions, <em>Rev. Sci. Instrum.<\/em> 95, 083003 (2024), DOI: <a href=\"https:\/\/doi.org\/10.1063\/5.0217441\">https:\/\/doi.org\/10.1063\/5.0217441<\/a><\/p>\n<p>Keith Blackman, Eric Segrest, George Turner, Kai Machamer, Aakash Gupta, Md Afjal Khan Pathan, S. Novia Berriel, Parag Banerjee, and<strong> Mihai E. Vaida<\/strong>, Simultaneous tracking of ultrafast surface and gas-phase dynamics in solid\u2013gas interfacial reactions, ChemRxiv (2024) DOI: <a href=\"https:\/\/doi.org\/10.26434\/chemrxiv-2024-v9xnx\">10.26434\/chemrxiv-2024-v9xnx<\/a><\/p>\n<p><a href=\"https:\/\/pubs.acs.org\/pb-assets\/images\/_journalCovers\/jpclcd\/jpclcd_v013i041-5.jpg?0.784811389349051\"><img decoding=\"async\" class=\"wp-image-578 size-full alignright lazyload\" data-src=\"https:\/\/sciences.ucf.edu\/physics\/vaidalab\/wp-content\/uploads\/sites\/24\/2022\/10\/Final-Cover.jpg\" alt=\"\" width=\"113\" height=\"150\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 113px; --smush-placeholder-aspect-ratio: 113\/150;\" \/><\/a>7. M. A. K. Pathan, Aakash Gupta, and <strong>M. E. Vaida<\/strong>, Understanding the effect of an amorphous surface on the ultrafast dynamics of a heterogeneous photoinduced reaction: CD<sub>3<\/sub>I photoinduced reaction on amorphous cerium oxide films, J. Phys. Chem. Lett. (2022)<span class=\"cit-volume\">\u00a013<\/span><span class=\"cit-issue\">, 41<\/span><span class=\"cit-pageRange\">, 9759\u20139765 DOI: <\/span><a title=\"DOI URL\" href=\"https:\/\/doi.org\/10.1021\/acs.jpclett.2c02294\">https:\/\/doi.org\/10.1021\/acs.jpclett.2c02294<\/a><\/p>\n<p>M. A. K. Pathan, Aakash Gupta, and <strong>M. E. Vaida<\/strong>, Understanding the effect of an amorphous surface on the ultrafast dynamics of a heterogeneous photoinduced reaction: CD<sub>3<\/sub>I photoinduced reaction on amorphous cerium oxide films, ChemRxiv (2022) DOI: <a href=\"https:\/\/chemrxiv.org\/engage\/chemrxiv\/article-details\/626834bdef2ade6f1a3e4493\">10.26434\/chemrxiv-2022-7m5vp<\/a><\/p>\n<p>8. <strong>M. E. Vaida<\/strong>, T. B. Rawal, T. M. Bernhardt, B. M. Marsh, T. S. Rahman, S. R. Leone. Non-metal to metal transition of magnesia supported Au clusters affects the ultrafast dissociation dynamics of adsorbed CH<sub>3<\/sub>Br molecules, J. Phys. Chem. Lett. (2022), 13, 4747\u22124753 DOI: <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.jpclett.2c00968\">https:\/\/doi.org\/10.1021\/acs.jpclett.2c00968<\/a><\/p>\n<p><strong>M. E. Vaida<\/strong>, T. B. Rawal, T. M. Bernhardt, B. M. Marsh, T. S. Rahman, S. R. Leone. Non-metal to metal transition of magnesia supported Au clusters affects the ultrafast dissociation dynamics of adsorbed CH<sub>3<\/sub>Br molecules, ChemRxiv (2022) DOI: <a href=\"https:\/\/doi.org\/10.26434\/chemrxiv-2022-xmz2v-v2\" target=\"_blank\" rel=\"noopener\">10.26434\/chemrxiv-2022-xmz2v-v2<\/a><\/p>\n<p>9. M. A. K. Pathan, Aakash Gupta, and <strong>M. E. Vaida<\/strong>, <em>Exploring the growth and oxidation of 2D-TaS<sub>2<\/sub> on Cu(111),\u00a0<\/em>Nanotechnology 32, 505605\u00a0 (2021) <a href=\"https:\/\/doi.org\/10.1088\/1361-6528\/ac244e\">https:\/\/doi.org\/10.1088\/1361-6528\/ac244e<\/a><\/p>\n<p>10. B. T. Young, M. A. K. Pathan, T. Jiang, D. Le, N. Marrow, T. Nguyen, C. E. Jordan, T. S. Rahman, D. M. Popolan-Vaida, <strong>M. E. Vaida<\/strong>, <em>Catalytic C<sub>2<\/sub>H<sub>2<\/sub> synthesis via low temperature CO hydrogenation on defect-rich 2D-MoS<sub>2<\/sub> and 2D-MoS<sub>2<\/sub> decorated with Mo clusters, <\/em>J. Chem. Phys. 152, 074706, (2020) <a href=\"https:\/\/aip.scitation.org\/doi\/abs\/10.1063\/1.5129712\">DOI: 10.1063\/1.5129712<\/a><\/p>\n<p>11. S. K Cushing, I. J Porter, B. R de Roulet, A. Lee, B. M Marsh, S. Szoke, <strong>M. E. Vaida<\/strong>, S. R. Leone, Layer-resolved ultrafast extreme ultraviolet measurement of hole transport in a Ni-TiO<sub>2<\/sub>-Si photoanode, <em>Science Advances <\/em>6, no. 14, eaay6650, (2020) <a href=\"https:\/\/advances.sciencemag.org\/content\/6\/14\/eaay6650.full\">DOI: 10.1126\/sciadv.aay6650<\/a><\/p>\n<p>S. K Cushing, I. J Porter, B. R de Roulet, A. Lee, B. M Marsh, S. Szoke, <strong>M. E. Vaida<\/strong>, S. R. Leone, Layer-resolved ultrafast extreme ultraviolet measurement of hole transport in a Ni-TiO<sub>2<\/sub>-Si photoanode (2019) arXiv preprint <a href=\"https:\/\/arxiv.org\/ftp\/arxiv\/papers\/1905\/1905.13097.pdf\">arXiv:1905.13097<\/a><\/p>\n<p>12.<strong> M. E. Vaida, <\/strong>B. M. Marsh, and S. R. Leone, <em>Nonmetal to Metal Transition and Ultrafast Charge Carrier Dynamics of Zn Clusters on p-Si(100) by fs-XUV Photoemission Spectroscopy<\/em>, Nano Lett., (2018) <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.nanolett.8b00700\">DOI: 10.1021\/acs.nanolett.8b00700<\/a><\/p>\n<p>13.<strong> M. E. Vaida<\/strong> and T. M. Bernhardt, <em>Tuning the ultrafast photodissociation dynamics of CH<sub>3<\/sub>Br on ultrathin MgO films by reducing the layer thickness to the 2D limit, <\/em>Chem. Phys. Lett., 688 (2017) <a href=\"https:\/\/doi.org\/10.1016\/j.cplett.2017.09.019\">DOI: 10.1016\/j.cplett.2017.09.019<\/a><\/p>\n<p>14. S. K. Cushing, B. M. Marsh, <strong>M. E. Vaida<\/strong>, L. M. Carneiro, I. J. Porter, A. Lee, and S. R. Leone, Photoexcited carriers, phonons, and their scattering measured in semiconductor junctions by transient extreme ultraviolet spectroscopy, <em>IEEE 44<sup>th<\/sup> PVSC<\/em>,\u00a0417-419, (2017),\u00a0 DOI: <a href=\"https:\/\/doi.org\/10.1109\/PVSC.2017.8366248\" target=\"_blank\" rel=\"noopener noreferrer\">10.1109\/PVSC.2017.8366248<\/a><\/p>\n<p>15.<strong> M. E. Vaida, <\/strong>B. M. Marsh, B. Lamoureux, and S. R. Leone, <em>Electronic structure and ultrafast charge carrier dynamics of Zn clusters supported on a Si(100) surface<\/em>, OSA \u2013 LS-Frontiers in Optics (2017) <a href=\"https:\/\/doi.org\/10.1364\/LS.2017.LTu4F.4\">\u00a0DOI:10.1364\/LS.2017.LTu4F.4<\/a><\/p>\n<p>16. B. M. Marsh,<strong> M. E. Vaida, <\/strong>S. K. Cushing, B. Lamoureux, and S. R. Leone, <em>Measuring the surface photovoltage of a Schottky barrier under intense light conditions: Zn\/p-Si(100) by laser time-resolved extreme ultraviolet photoelectron spectroscopy<\/em>, J. Phys. Chem. C, 121, 21904 (2017) <a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jpcc.7b06406\">DOI: 10.1021\/acs.jpcc.7b06406<\/a><\/p>\n<p>17.<strong> M. E. Vaida<\/strong> and S. R. Leone, <em>Femtosecond XUV photoemission spectroscopy: Observation of ultrafast charge transfer at the n-TiO<sub>2<\/sub>\/p-Si(100) interface with controlled TiO<sub>2<\/sub> oxygen vacancies<\/em>, J. Phys. Chem. C, 120, 2769 (2016) <a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jpcc.5b11161\">DOI: 10.1021\/acs.jpcc.5b111613<\/a>.<\/p>\n<p>18.<strong> M. E. <\/strong><strong>Vaida<\/strong> and S. R. Leone, <em>Tracing dissociation dynamics of CH<sub>3<\/sub>Br in the <sup>3<\/sup>Q<sub>0 <\/sub>state with femtosecond extreme ultraviolet ionization<\/em>, Chem. Phys. 442, 41 (2014)<\/p>\n<p>19. <strong>M. E. Vaida<\/strong> and T. M. Bernhardt, <em>Surface-aligned femtochemistry: Molecular reaction dynamics on oxide surfaces<\/em>, in Springer Series in Chemical Physics 107, edited by Rebeca de Nalda and Luis Ba\u00f1ares, Springer Verlag, 231 (2014)<\/p>\n<p>20.<strong> M. E. Vaida<\/strong> and T. M. Bernhardt, <em>Surface-aligned femtochemistry:<\/em> <em>Photoinduced reaction dynamics of CH<sub>3<\/sub>I and CH<sub>3<\/sub>Br on MgO(100), <\/em>Faraday Discuss. <strong>157<\/strong>, 437 (2012)<\/p>\n<p>21.<strong> M. E. Vaida <\/strong>and T. M. Bernhardt, <em>Femtosecond two photon photoemission spectroscopy of methyl iodide adsorbed on a gold surface<\/em>, AIP Conf. Proc. <strong>1387<\/strong>, 147 (2011)<\/p>\n<p>22. <strong>M. E. Vaida<\/strong>, R. Tchitnga, and T. M. Bernhardt: <em>Femtosecond time-resolved photodissociation dynamics of methyl halide molecules on ultrathin gold films<\/em>, Beilstein J. Nanotechnol. <strong>2<\/strong>, 618 (2011)<\/p>\n<p>23.<strong> M. E. Vaida<\/strong>, T. M. Bernhardt, C. Barth, F. Esch, U. Heiz, and U. Landman, <em>Ultrathin magnesia films as support for molecules and metal clusters: Tuning reactivity by thickness and composition, <\/em>Phys. Status Solidi B <strong>247<\/strong>, 1001 (2010), <strong><em>Feature article<\/em><\/strong>.<\/p>\n<p>24. <strong>M. E. Vaida<\/strong> and T. M. Bernhardt, <em>Femtosecond photoemission and photodesorption from magnesia supported gold clusters<\/em>, Phys. Status Solidi B <strong>247<\/strong>, 1139 (2010)<\/p>\n<p>25.<strong> M. E. Vaida<\/strong> and T.M. Bernhardt, <em>Surface-aligned femtochemistry: Real-time dynamics of photoinduced I<sub>2<\/sub> formation from CD<sub>3<\/sub>I on MgO(100)<\/em>, Chem. Phys. Chem. <strong>11<\/strong>, 804 (2010)<\/p>\n<p>26. <strong>M. E. Vaida<\/strong> and T. M. Bernhardt, <em>Surface pump-probe femtosecond-laser mass spectrometry: Time-, mass-, and velocity-resolved detection of surface reaction dynamics, <\/em>Rev. Sci. Instrum., <strong>81<\/strong>, 104103 (2010)<\/p>\n<p>27.<strong> M. E. Vaida<\/strong>, T. Gleitsmann, R. Tchitnga, and T. M. Bernhardt<i>, <em>Femtosecond-laser photoemission spectroscopy of Mo(100) covered by ultrathin MgO(100) films of variable thickness, J.\u00a0Phys.\u00a0Chem. C<\/em>, <strong>113<\/strong><em>, <\/em>10264 (2009<em>)<\/em><\/i><\/p>\n<p>28. <strong>M. E. Vaida<\/strong> and T. M. Bernhardt, <em>Adsorption and photodissociation dynamics of methyl iodide on magnesia supported gold nanoparticles<\/em>, Eur. Phys. J. D <strong>52<\/strong>, 119 (2009)<\/p>\n<p>29. <strong>M. E. Vaida<\/strong>, P. E. Hindelang, and T. M. Bernhardt, <em>Femtosecond real-time probing of transition state dynamics in a surface photoreaction: Methyl desorption from CH<sub>3<\/sub>I on MgO(100), <\/em>J.\u00a0Chem.\u00a0Phys. <strong>129<\/strong>, 011105 (2008)<\/p>\n<p>30. T. Gleitsmann, <strong>M. E. Vaida<\/strong>, T.M. Bernhardt, V. Bona\u010di\u0107-Kouteck\u00fd, C. B\u00fcrgel,\u00a0A.E. Kuznetsov, and R. Mitri\u0107, <em>Mass-selected Ag<sub>3<\/sub> clusters soft-landed onto MgO\/Mo(100): femtosecond photoemission and first-principles simulation, <\/em>Eur. Phys. J. D <strong>45<\/strong>, 477 (2007)<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-564 alignright lazyload\" data-src=\"https:\/\/sciences.ucf.edu\/physics\/vaidalab\/wp-content\/uploads\/sites\/24\/2022\/05\/cphc.v6-2.cover_.gif\" alt=\"\" width=\"101\" height=\"131\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 101px; --smush-placeholder-aspect-ratio: 101\/131;\" \/><\/p>\n<p>31. T. M. Bernhardt, J. Hagen, L D. Socaciu, R. Mitri\u0107, Andreas Heidenreich, J. Le Roux, D. Popolan, <strong>M. Vaida<\/strong>, L.W\u00f6ste, V. Bona\u010di\u0107-Kouteck\u00fd, and J. Jortner, <em>Femtosecond Time-Resolved Geometry Relaxation and Ultrafast Intramolecular Energy Redistribution in Ag<sub>2<\/sub>Au, <\/em>Chem. Phys. Chem. <strong>6<\/strong>, 243 (2005)<\/p>\n<p>32. L. D. Socaciu-Siebert, J. Hagen, J. Le Roux, D. Popolan, <strong>M. Vaida<\/strong>, \u0160. Vajda, T. M. Bernhardt and L. W\u00f6ste, <em>Ultrafast nuclear dynamics induced by photodetachment of Ag<sub>2<\/sub><sup>&#8211;<\/sup>and Ag<sub>2<\/sub>O<sub>2<\/sub><sup>&#8211;<\/sup>: oxygen desorption from a molecular silver surface<\/em>, Phys. Chem. Chem. Phys. <strong>7<\/strong>, 2706 (2005)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Aakash Gupta, Eric Segrest, Micah Hall, and Mihai E Vaida, Tracking the Ultrafast Dynamics of Carbon-Carbon Bond Formation Following CH3I Photodissociation on \u00a0Amorphous Silicon Oxide Surfaces, ChemRxiv,\u00a0(2026), DOI: https:\/\/doi.org\/10.26434\/chemrxiv.15006200\/v1 <a class=\"more-link\" href=\"https:\/\/sciences.ucf.edu\/physics\/vaidalab\/publications\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":36,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-355","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Publications - Vaida Research Lab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sciences.ucf.edu\/physics\/vaidalab\/publications\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Publications - Vaida Research Lab\" \/>\n<meta property=\"og:description\" content=\"1. 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