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<p class="MsoNormal"><img width="624" height="189" style="width:6.5in;height:1.9687in" id="Picture_x0020_2" src="cid:image002.png@01D9D066.0F1CFD60"><o:p></o:p></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:26.0pt;font-family:"Times New Roman",serif;color:#006FC0"><br>
</span></b><b><span style="font-size:18.0pt;font-family:"Times New Roman",serif;color:#006FC0"><br>
</span></b><img width="197" height="190" style="width:2.052in;height:1.9791in" id="_x0000_i1026" src="cid:image003.jpg@01D9D066.0F1CFD60" alt="Picture"><i><span style="font-size:18.0pt;font-family:"Times New Roman",serif"><br>
<br>
</span></i><b><i><span style="font-size:26.0pt;font-family:"Times New Roman",serif">Dr. Cheng Gong<o:p></o:p></span></i></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><i><span style="font-size:22.0pt;font-family:"Times New Roman",serif">Department of Electrical and Computer Engineering and Quantum Technology Center,
<o:p></o:p></span></i></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><i><span style="font-size:22.0pt;font-family:"Times New Roman",serif">University of Maryland, College Park<o:p></o:p></span></i></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><i><span style="font-size:22.0pt;font-family:"Times New Roman",serif"><o:p> </o:p></span></i></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><i><span style="font-size:22.0pt;font-family:"Times New Roman",serif"><o:p> </o:p></span></i></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><i><span style="font-size:22.0pt;font-family:"Times New Roman",serif">Efficient Control of 2D Magnets<o:p></o:p></span></i></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><i><span style="font-size:22.0pt;font-family:"Times New Roman",serif"><br>
<br>
<o:p></o:p></span></i></b></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;text-align:justify"><b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;background:white">Abstract:</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;background:white">
</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif">The emergent two-dimensional (2D) layered magnets [1,2] provide ideal platforms to enable the atomically thin magneto-optical and magnetoelectric devices. Though many have envisioned
that 2D magnets should allow efficient control of magnetism by a variety of external stimuli, true breakthroughs are still lacking, with limited proof-of-concept demonstrations reported thus far. There appear to be fundamental obstacles for efficient control,
e.g., through electrical and optical means. In this talk I will analyze the challenges and present our theoretical and experimental progress on efficient electrical [3-7] and optical control [8,9] of 2D magnets. Specifically, the results show that the voltage
of a few volts can effectively change the magnetic anisotropy of 2D magnets and the laser shinning of tens of uW/um<sup>2</sup> can effectively affect the domain behaviors of 2D magnets. These efficient controls of 2D magnets potentially open up new avenues
towards low-power spintronics and photonics.<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpFirst" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif">C. Gong et al.
<i>Nature</i> 546, 265-269 (2017).<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Times New Roman",serif">C. Gong, X. Zhang.
<i>Science</i> 363, eaav4450 (2019).<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif">C. Gong, et al.
<i>Nature Communications</i> 10, 2657 (2019).<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif">S.-J. Gong, et al.
</span><i><span style="font-size:12.0pt;font-family:"Times New Roman",serif">PNAS</span></i><span style="font-size:12.0pt;font-family:"Times New Roman",serif"> 115, 8511 (2018).<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif">E.-W. Du, et al.
<i>Nano Letters</i> 20, 7230 (2020).<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">6.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif">S. Liang, et al.
<i>Nature Electronics</i> 6, 199-205 (2023).<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">7.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="FR" style="font-size:12.0pt;font-family:"Times New Roman",serif">Q. Wang, et al.
<i>Matter</i> 5, 4425-4436 (2022).<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">8.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Y. Gong, et al.
<i>npj 2D Materials and Applications</i> 6, 9 (2022). <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:6.0pt;margin-left:.25in;mso-add-space:auto;text-align:justify;text-indent:-.25in;line-height:normal;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><span style="mso-list:Ignore">9.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Times New Roman",serif">T. Xie, et al. under review (2023).<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Bio</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif">: Prof. Cheng Gong has been an assistant professor in the Department of Electrical &
Computer Engineering at University of Maryland, College Park since 2019. His research group focuses on 2D quantum materials and devices. He is a recipient of IUPAP Young Scientist Prize in Semiconductor Physics 2020. In 2022, Prof. Gong won UMD’s “Invention
of the Year” and ACS Maryland “Chemist of the Year”. From 2014 to 2019, he was a postdoctoral fellow at UC Berkeley, where he pioneered the experimental discovery of the first 2D magnet.<span style="color:black;background:white"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="line-height:90%"><span style="font-size:8.0pt;line-height:90%;font-family:"Times New Roman",serif;color:black;background:white"><br>
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<o:p></o:p></span></p>
<p class="Default" align="center" style="text-align:center"><b><span style="font-size:18.0pt;color:#2F5496">Thursday, August 17, 2023</span></b><span style="font-size:18.0pt;color:#2F5496"><o:p></o:p></span></p>
<p class="Default" align="center" style="text-align:center"><b><span style="font-size:18.0pt;color:#2F5496">3:00 p.m. in the Physics & Astronomy Reading Room (3035)</span></b><span style="font-size:18.0pt;color:#2F5496"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Book Antiqua",serif;color:#2E74B5;mso-ligatures:none">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Book Antiqua",serif;color:#2E74B5;mso-ligatures:none"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Book Antiqua",serif;color:#2E74B5;mso-ligatures:none">Jennifer Reising</span><span style="mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Book Antiqua",serif;color:#2E74B5;mso-ligatures:none">Financial Services Supervisor</span><span style="mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-ligatures:none">UC Riverside<b> |</b> Physics & Astronomy
</span><span style="mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-ligatures:none">3047 Physics Building
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