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<p class="MsoNormal">Hello,<o:p></o:p></p>
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<p class="MsoNormal">The Chemical Physics program is hosting Dr. Wilson Ho from the University of California Irvine to give lectures as part of the Frontiers in Chemical Physics Symposium lecture series on Wednesday April 11<sup>th</sup> and Friday April 13<sup>th</sup>.
The lectures will be held in 2015 McPherson Laboratory at 9:35am April 11<sup>th</sup> and April 13<sup>th</sup> all are welcome to attend. More information on his talks are below:<o:p></o:p></p>
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<p class="MsoNormal"><b>April 11, 2018</b> <o:p></o:p></p>
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<span style="font-size:12.0pt">Title: </span><span style="font-size:12.0pt;color:black;font-weight:normal">Atomic-Scale Inelastic Electron Tunneling Spectroscopy and Microscopy with the STM</span><span style="font-size:14.5pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></h3>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Abstract:
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;background:white">Inelastic electron tunneling in a scanning tunneling microscope (STM) provides a unique way to measure and image the excitation of an atom or molecule adsorbed on
a solid surface with sub-Ångstróm resolution. Inelastic electron tunneling spectroscopy (IETS) and microscopy was first reported in 1998 for the detection of vibrational excitation in a single molecule and has since been extended to the excitation of a single
electron spin and the rotation of a single molecule. This talk will introduce STM-IETS and illustrate its wide ranging applications to probe the structure, energetics, and dynamics in single molecule chemistry.</span><o:p></o:p></p>
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<p class="MsoNormal"><b>April 13, 2018</b> <o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Title:</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif">
</span><span style="font-size:12.0pt;font-family:"Times",serif">Small and Fast: Coherent
</span><span style="font-size:12.0pt;font-family:"Times",serif">Å</span><span style="font-size:12.0pt;font-family:"Times",serif">-fs Chemistry<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times",serif"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times",serif">Abstract:
</span></b><span style="font-size:12.0pt;font-family:"Times",serif">The relevant scales in chemistry relate to the motions of atoms in molecules that occur at fraction of a vibrational period and <0.1 nm distance. This joint
</span><span style="font-size:12.0pt;font-family:"Times",serif">Å</span><span style="font-size:12.0pt;font-family:"Times",serif">-fs resolution can be achieved by the combination of a femtosecond laser with a STM (fs-STM) that probes chemical transformations
of single molecules. The dynamics of the conformational change in a single molecule adsorbed on a metal surface was followed in the time domain, revealing the reaction coordinate and the temporal decay of the coherently excited vibrational state that drives
the conformational change. In addition, the effects on the single molecule dynamics by a nearby molecule were determined. These experiments demonstrate the attainment of diffraction unlimited resolution in photochemistry and the fs-STM approach in probing
the effects of heterogeneity in space and time on single-molecule chemical dynamics.</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><img width="224" height="45" style="width:2.3333in;height:.4687in" id="Picture_x0020_1" src="cid:image001.png@01D3CFEC.354BADE0" alt="The Ohio State University"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
</span><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#BB0000;background:white">Kyle Schechter</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333">, Fiscal</span><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#333333">
Associate<br>
</span><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#BB0000;background:white">Department of Physics</span><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#333333"><br>
4112 Physics Research Building | 191 West Woodruff Avenue Columbus, OH 43210<br>
614-292-7260 Office <br>
</span><b><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:blue;background:white"><a href="mailto:Schechter.19@osu.edu"><span style="color:blue">Schechter.19@osu.edu</span></a></span></b><b><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#333333;background:white">
</span></b><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#333333"><a href="http://osu.edu/" target="_blank"><b><span style="color:blue;background:white">osu.edu</span></b></a></span><o:p></o:p></p>
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