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<p class="MsoNormal"><span style="font-size:14.0pt">Hello all.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Prof. Pickett from University of California Davis will be our guest CMT seminar speaker on Monday, May 7, 2012. His presentation will be held from 11:30 am to 12:30 pm in 1080 PRB.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Please find the title and abstract for his presentation below:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">===<o:p></o:p></span></p>
<p class="MsoPlainText" align="center" style="text-align:center"><span style="font-size:16.0pt;font-family:"Agency FB","sans-serif"">"Semi-Dirac, Semi-Weyl Semimetal in Oxide Nanostructures<o:p></o:p></span></p>
<p class="MsoPlainText" align="center" style="text-align:center"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif"">"<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif""><o:p> </o:p></span></p>
<p class="MsoPlainText"><b><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif"">Abstract:
</span></b><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif"">The study of the Dirac point in graphene, making it a Weyl semimetal, and its many unusual properties have made 'graphene' one of the most active current topics in condensed matter
physics. Oxide nanostructures, in particular those with polar interfaces and proximate polar catastrophe, comprises another vigorous area of current research.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif"">Non-polar interfaces are generally more benign. This talk will focus on the novel, so far unique, electronic structure of VO$_2$/TiO$_2$ nanoscale heterostructures, where
a new type of 2D quasiparticle emerges: linear massless dispersion in one direction, normal massive in the perpendicular direction. Several properties of this "semi-Dirac" phase will be discussed.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif"">Collaborators: V. Pardo, S. Banerjee, R. R. P. Singh<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif"">===<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:14.0pt;font-family:"Agency FB","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Thank you.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Leah Reilly, MBA<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Administrative Associate<o:p></o:p></span></p>
<p class="MsoNormal"><a href="mailto:reilly.115@osu.edu"><span style="font-size:14.0pt;color:windowtext">reilly.115@osu.edu</span></a><span style="font-size:14.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">1(614)2923437<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
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