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<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif"">Please join us on Thursday, May 10<sup>th</sup> at 11:30am in the Smith Seminar Room for the CME Seminar presented by Art Hebard from the University of Florida.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:14.0pt;font-family:"Georgia","serif"">“Disorder-tuned approach to critical behavior in thin-film ferromagnets ”<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif"">Using an apparatus in which thin films can be deposited and then immediately transferred without exposure to air into an adjoining cryostat, results will be presented on the disorder-induced
changes in conductivity and magnetic behavior of thin-film ferromagnets (Fe, Co, Gd and Mn). At low disorder strengths two distinct quantum corrections to the conductivity are found whereas at higher disorder strengths, films with a granular morphology (e.g.,
Fe, Co) can be described as “anomalous Hall insulators” in contrast to films with a more uniform morphology (e.g., Gd) which undergo a metal-insulator transition with well-defined critical exponents extracted from finite-temperature scaling theory.
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<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif"">Please contact me if you would like to meet with Dr. Hebard during his visit.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif"">Thank you,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif"">Trisch<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Georgia","serif"">2-2778<o:p></o:p></span></p>
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