Events: Mikroteknologi och nanovetenskaphttp://www.chalmers.se/sv/om-chalmers/kalendariumUpcoming events at Chalmers University of TechnologyFri, 22 Oct 2021 02:45:49 +0200http://www.chalmers.se/sv/om-chalmers/kalendariumhttps://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_25_oct.aspxhttps://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_25_oct.aspxSmallTalks [about Nanoscience] Magnetic Assay<p>KA, lecture hall, Kemigården 4, Kemi</p><p>​Welcome to a seminar in the series SmallTalks [about Nanoscience] arranged by the Excellence Initiative Nano​. Sobhan Sepehri from VIDEM AB and RISE will talk about Magnetic Assay. The title for the second part of this seminar will be announced soon.  Join from PC, Mac, Linux, iOS or Android: https://chalmers.zoom.us/j/63018620593 ​</p><a href="/SiteCollectionDocuments/SO%20Nano/SmallTalks/Decisiontree_EI_NanoSeminar2021_SC%203.pdf" style="outline:0px"><img src="/SiteCollectionImages/Areas%20of%20Advance/Nano/SmallTalk%20about%20Nanoscience/Decisiontree_EI_NanoSeminar2021_SC%203.jpg" class="chalmersPosition-FloatRight" alt="" style="margin:5px;height:207px;width:150px" />​</a><span style="background-color:initial">In c</span><span style="background-color:initial">ase you are not sure yet, whether you want to attend or not, we have prepared a decision tree that might help you! </span><div><span style="background-color:initial">Click to get a larger picture.</span><div><p class="chalmersElement-P">​</p></div></div>https://www.chalmers.se/en/departments/mc2/calendar/Pages/poster_presentation_2021.aspxhttps://www.chalmers.se/en/departments/mc2/calendar/Pages/poster_presentation_2021.aspxEI Nano poster day 2021<p>Chalmers campus Johanneberg (exact location to be determined)</p><p>Welcome to the poster day of the EI Nano! The poster day will follow the SmallTalk presentation at 15:00h (which in this occasion is shifted from Monday to Tuesday).</p>​<span style="background-color:initial">In order to organize for catering and poster walls it is necessary that you register for the poster day, even if you had already submitted an abstract and registered to the Community Building Activity this year. </span><p class="ms-rteElement-P">Note that only registered participants will have access to drinks/food. </p> <p></p> <p class="ms-rteElement-P"></p> <p class="ms-rteElement-P"></p> <p class="ms-rteElement-P"></p> <p></p> <p class="ms-rteElement-P"></p> <p class="ms-rteElement-P"><br /></p> <p class="ms-rteElement-P"></p> <span style="background-color:initial">While PhD students and postdocs are required to submit a poster abstract when registering, also all other participants are warmly invited to submit an abstract!​</span><div><span style="background-color:initial"><br /></span></div> <div><span style="background-color:initial">Registration is closed.</span></div>https://www.chalmers.se/en/centres/wacqt/calendar/Pages/two_stories_in_quantum_gravity.aspxhttps://www.chalmers.se/en/centres/wacqt/calendar/Pages/two_stories_in_quantum_gravity.aspxTwo stories in quantum gravity<p>Kollektorn, lecture room, Kemivägen 9, MC2-huset</p><p>Seminar by Professor Erik Aurell, KTH​</p>​<span style="background-color:initial">Is it necessary to quantize the gravitational field? The analogous question for the electrodynamic field was settled in a famous paper by Bohr and Rosenfeld, now almost 90 years ago. The answer is yes, as otherwise there would be a a way to bypass the Heisenberg uncertainty relations for a body obeying quantum mechanics and interacting with the field.</span><div>The gravitational question has been discussed for a long time, with opposite opinions appearing in the literature until very recently. I will discuss that one class of recently proposed Gedankenexperiments do not settle the issue, as a putative paradox (to be described in the talk) can be resolved by the simpler assumption that length scales below the Planck length can not be resolved. That the Gedankenexperiemnt does not imply quantization of the gravitational field of course does not imply the opposite, i.e. that gravitation is not quantized (i). It could also be that that the gravitational field is quantized anyway (ii), or that gravitation is somehow quantized, but is not as a quantum field theory (iii).</div> <div>In the second part of the talk I will discuss an idea related to option (iii), motivated by Hawking’s paper ”Information Preservation and Weather Forecasting for Black Holes” (2014).</div> <div><br /></div> <div>The talk is based on joint work with Erik Rydving and Igor Pikovski [first part, arXiv:2107.07514] and Michal Eckstein and Pawel Horodecki [second part, Foundations of Physics 51 (2), 1-13 (2021)].</div> <div><br /></div>https://www.chalmers.se/en/centres/2d-tech/calendar/Pages/2dtech-nov1.aspxhttps://www.chalmers.se/en/centres/2d-tech/calendar/Pages/2dtech-nov1.aspxGraphene and Beyond<p>Online</p><p>Welcome to a 2D-tech talk with Saroj Dash, Professor at the Department of Microtechnology and Nanoscience., Chalmers.​​​​ Join from PC, Mac, Linux, iOS or Android: https://chalmers.zoom.us/j/68261745009​ Password: 923613 ​</p>https://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_8_nov.aspxhttps://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_8_nov.aspxSmallTalks [about Nanoscience] Cellular Trafficking<p>TBD</p><p>​Welcome to a seminar in the series SmallTalks [about Nanoscience] arranged by the Excellence Initiative Nano​. Emelie Vilhelmsson Wesén from Chemical Biology Lab and FoRmulaEx, Department of Biology and Biological Engineering will talk about Cellular Trafficking. The title for the second part of this seminar will be announced soon.  Join from PC, Mac, Linux, iOS or Android: https://chalmers.zoom.us/j/63018620593 ​​</p><a href="/SiteCollectionDocuments/SO%20Nano/SmallTalks/Decisiontree_EI_NanoSeminar2021_SC%203.pdf" style="outline:currentcolor none 0px"><img src="/SiteCollectionImages/Areas%20of%20Advance/Nano/SmallTalk%20about%20Nanoscience/Decisiontree_EI_NanoSeminar2021_SC%203.jpg" class="chalmersPosition-FloatRight" alt="" style="margin:5px;height:207px;width:150px" />​</a><span style="background-color:initial">In c</span><span style="background-color:initial">ase you are not sure yet, whether you want to attend or not, we have prepared a decision tree that might help you! </span><div><span style="background-color:initial">Click to get a larger picture.</span><a href="/SiteCollectionDocuments/SO%20Nano/SmallTalks/Decisiontree_EI_NanoSeminar2021_SC%203.pdf">​</a><div><p class="chalmersElement-P"><br />​</p></div></div>https://www.chalmers.se/en/centres/wacqt/calendar/Pages/Giant-atoms-–-a-new-frontier-in-quantum-optics.aspxhttps://www.chalmers.se/en/centres/wacqt/calendar/Pages/Giant-atoms-%E2%80%93-a-new-frontier-in-quantum-optics.aspxGiant atoms – a new frontier in quantum optics<p>PJ, seminar room, Kemigården 1, Fysik Origo</p><p>Theoretical Physics Seminar with Anton Frisk Kockum.This is part of a seminar series for students and researchers interested in theoretical physics and applied mathematics arranged by GU. ​</p>​When studying the interaction between light and matter at the quantum level, it is common to apply the dipole approximation, where atoms are assumed small compared to the wavelength of the light. However, recent experiments with superconducting qubits coupled to surface acoustic waves or microwave transmission lines have shown that it is possible to realize ”giant atoms”, i.e., atoms that couple to light (or sound) at multiple points that are wavelengths apart. In this talk, I will present an overview of theoretical and experimental work on such giant atoms. In particular, I will explain how multiple giant atoms can interact via a waveguide while remaining protected from relaxation into the waveguide, and show experimental data demonstrating this protected interaction.https://www.chalmers.se/en/centres/2d-tech/calendar/Pages/2dtech-nov15.aspxhttps://www.chalmers.se/en/centres/2d-tech/calendar/Pages/2dtech-nov15.aspx2D Electronics: Tattoos to 5G Switches<p>TBD</p><p>Welcome to a 2D-tech talk with Deji Akinwande, Professor at The University of Texas, USA Join from PC, Mac, Linux, iOS or Android: https://chalmers.zoom.us/j/68261745009​ Password: 923613​</p>https://www.chalmers.se/en/centres/2d-tech/calendar/Pages/centre_day_2021.aspxhttps://www.chalmers.se/en/centres/2d-tech/calendar/Pages/centre_day_2021.aspx2D-TECH centre day 2021<p>RunAn and on Zoom</p><p>Welcome to the first 2D-TECH Centre Day with, among others, keynote speakers Peter Bøggild, DTU, Denmark, Dept. of Physics, Nanomaterials and devices, Centre for Nanostructured Graphene and Jari Kinaret, Chalmers, Dept. of Physics, Director of the Graphene Flagship.  The Centre Day 2021 will be a hybrid event, both on-site in RunAn and on Zoom.  ​​​​​​​​​​</p><div><p class="chalmersElement-P"><a href="https://ui.ungpd.com/Surveys/d2ed7ee0-5c63-4cd6-9ce2-91cce2821fa6" style="font-family:inherit;font-size:20px"><img class="ms-asset-icon ms-rtePosition-4" src="/_layouts/images/icgen.gif" alt="" />Register for the Centre Day​</a><br /></p></div> <div><em>Last day for registration is 25 October</em></div> <div><em><br /></em></div> <h2 class="chalmersElement-H2"><div>Program</div> <p class="chalmersElement-P"><em>can be subject to change</em></p></h2> <div><p class="chalmersElement-P"><strong>09.00</strong> Registration and coffee<br /><strong style="background-color:initial">09.30</strong><span style="background-color:initial"> Welcome by Samuel Lara Avila, Centre Director, Chalmers<br /></span><strong style="background-color:initial">09.40</strong><span style="background-color:initial"> <strong>Invited talk:</strong> The Graphene Flagship, Jari Kinaret, Chalmers, Director of the Graphene Flagship<br /><strong>10.10</strong> R&amp;I*-line </span><span style="background-color:initial">Multifunctional composites, Leif Asp, </span><span style="background-color:initial">Chalmers</span></p> <p class="chalmersElement-P"><strong style="background-color:initial">10.30</strong><span style="background-color:initial"> Coffee break</span></p> <p class="chalmersElement-P"><strong style="background-color:initial">10.50</strong><span style="background-color:initial"> R&amp;I-line Electronics, Herbert Zirath, Chalmers<br /></span><strong style="background-color:initial">11.10</strong><span style="background-color:initial"> </span><span style="background-color:initial"><strong>Industry invited talk:</strong> Fredrik Edgren, Volvo Car </span><span style="background-color:initial">Corporation<br /></span><span style="background-color:initial"><strong>11.30</strong> </span><span style="background-color:initial">PhD Student and Postdoc projects - presentation </span><span style="background-color:initial">relay race</span></p> <p class="chalmersElement-P"><strong style="background-color:initial">12.00</strong><span style="background-color:initial"> Lunch break</span></p> <p class="chalmersElement-P"><strong style="background-color:initial">13.00</strong><span style="background-color:initial"> <strong>I</strong></span><span style="background-color:initial"><strong>nvited talk:</strong> 2D materials – a unique canvas for </span><span style="background-color:initial">creating new electronic properties, Peter Bøggild, </span><span style="background-color:initial">DTU,  Denmark, Dept. of Physics and Centre for </span><span style="background-color:initial">Nanostructured Graphene<br /></span><span style="background-color:initial"><strong>13.40</strong><strong> </strong></span><span style="background-color:initial"><strong>Industry invited talk:</strong> New generation of graphene </span><span style="background-color:initial">enabled electronic textiles, Erik Khranovskyy, Grafren<br /></span><span style="background-color:initial"><strong>14.00</strong> </span><span style="background-color:initial">R&amp;I-line Sustainable energy, Johan Liu, Chalmers</span></p> <p class="chalmersElement-P"><strong style="background-color:initial">14.20</strong><span style="background-color:initial"> coffee break</span></p> <p class="chalmersElement-P"><span style="background-color:initial"><strong>14.40</strong> </span><span style="background-color:initial">R&amp;I-line Emerging Materials, Timur Shegai, Chalmers<br /></span><span style="background-color:initial"><strong>15.00</strong> </span><span style="background-color:initial">PhD Student and Postdoc projects - presentation </span><span style="background-color:initial">relay race<br /></span><strong style="background-color:initial">15.40</strong><span style="background-color:initial"> </span><span style="background-color:initial">SIO Grafen: financing opportunities and more, </span><span style="background-color:initial">Elisabeth Sagström, Director of SIO Grafen<br /></span><strong style="background-color:initial">16.00</strong><span style="background-color:initial"> Closing remarks, Cristina Andersson, Centre Coordinator, Chalmers</span></p> <p class="chalmersElement-P"><span style="background-color:initial">​</span></p> <p class="chalmersElement-P"><span style="background-color:initial">*</span><span style="background-color:initial"><em>Research and Innovation</em></span></p> <p class="chalmersElement-P"><span style="background-color:initial">​</span></p></div> <p class="chalmersElement-P"> </p> <p class="chalmersElement-P"> </p> <p class="chalmersElement-P"> </p>https://www.chalmers.se/en/areas-of-advance/production/calendar/Pages/Quality-Management-with-Ida-Gremyr.aspxhttps://www.chalmers.se/en/areas-of-advance/production/calendar/Pages/Quality-Management-with-Ida-Gremyr.aspxQuality Management<p>Online</p><p>​​– trying to get it to work in a time of sustainability challenges, digitalization, and servitization.  Online-seminar with Ida Gremyr, Professor, Technology Management and Economics, Chalmers.</p><div>Quality Management work is often well established in a quality department with associated quality professionals. These professionals are equipped with skills and knowledge to work with customer focus and continuous improvements in various forms. </div> <div><br /></div> <div>But the landscape is changing as more organizations offer their customers combinations of products and services, which challenge the traditional product-based definition of quality. Moreover, digitalization enables new means of interacting with customers that can drive improvements that benefit customers in terms of buyers and other stakeholders affected by, e.g., negative impacts on the environment. </div> <div><br /></div> <div>This talk presents contemporary quality professionals' profiles, challenges, and possibilities for development to support sustainability, servitization, and digitalization.</div> <div><br /></div> <div>The lecture is part of the Production Area of Advance seminar series. <a href="https://www.youtube.com/playlist?list=PLoydLyG2mqewsa69DU2UZ-5ck33g_JeHd">See older seminars here.​</a></div> <div><br /></div> <span><a href="https://chalmers.zoom.us/j/65037676340" target="_blank" title="Link to zoom meeting"><img class="ms-asset-icon ms-rtePosition-4" src="/_layouts/images/icgen.gif" alt="" />Link to seminar​</a>  </span><span lang="EN-US">Password: 146131</span><span lang="EN-US"></span><span></span><br /> <div><em><br /></em></div> <a href="/en/Staff/Pages/ida-gremyr.aspx" target="_blank" title="link to personal webpage"><img class="ms-asset-icon ms-rtePosition-4" src="/_layouts/images/ichtm.gif" alt="" /></a><a href="/en/Staff/Pages/ida-gremyr.aspx" target="_blank" title="link to personal webpage"><div style="display:inline !important"><strong>Read more about Ida Gremyr</strong></div></a><br />​ <div><br /></div> ​https://www.chalmers.se/en/centres/ghz/calendar/Pages/centreday_2021.aspxhttps://www.chalmers.se/en/centres/ghz/calendar/Pages/centreday_2021.aspxChaseOn and GHz Centre Day 2021<p>RunAn, conference hall, Chalmersplatsen 1, Kårhuset</p><p>ChaseOn and  GHz Centre now finalize Sweden’s largest wireless research programme between Chalmers and more than 20 industrial partners. At this day, leading researchers from Chalmers and industry summarize our long-term impact on telecom, radar, sensors, medtech, space etc and what we will bring to the next decade of wireless collaborations.  ​The Centre Day will be a hybrid event, both on-site in RunAn and on MS Teams.  ​​​​​ ​​​ ​​​​​​​​​​​</p>​​<div><a href="https://ui.ungpd.com/Surveys/75edcf77-1615-4bb7-bd69-d0837eab284a" style="font-family:inherit;font-size:16px"><img class="ms-asset-icon ms-rtePosition-4" src="/_layouts/images/icgen.gif" alt="" />Register for the Centre Day</a><br /><span style="color:rgb(33, 33, 33);font-family:inherit;background-color:initial">Last day for registration is 26 October</span><span style="color:rgb(33, 33, 33);font-family:inherit;font-size:20px;background-color:initial">​</span><span style="color:rgb(33, 33, 33);font-family:inherit;font-size:20px;background-color:initial">​</span></div> <h2 class="chalmersElement-H2"><span>Program</span></h2> <div> <div><span style="background-color:initial">09:</span><span style="background-color:initial">30     Registration and coffee</span></div> <div><span style="background-color:initial"></span><span style="background-color:initial">10:00     <strong>Directors of GHz and ChaseOn: Centre Achievements:</strong> Jan Grahn + Erik Ström<br /></span><span style="background-color:initial">10:30     <strong>Transmitters for 5G and beyond:</strong> Christian Fager<br /></span><span style="background-color:initial">11:00     <strong>Millimeter-wave integrated antennas</strong><strong><strong>:</strong> </strong>Marianna Ivashina<br /></span><span style="background-color:initial">11:30     <strong>RF GaN Technology: From the Reactor to the Air: </strong>Mattias Thorsell<br /></span><span style="background-color:initial">12:00     Lunch<br /></span><span style="background-color:initial">13:00     <strong>15 years of MW research set to change healthcare</strong><strong>:</strong> Hana Dobsicek Trefna<br /></span><span style="background-color:initial">13:30     <strong>From big science projects to new space applications, enabling microwave &amp; submm wave device technologies: </strong>Peter Sobis<br /></span><span style="background-color:initial">14:00     <strong>Wireless systems, sensor technology:</strong> Fredrik Brännström<br /></span><span style="background-color:initial">14:30     <strong>Chalmers-industry wireless centre research after 2021: </strong>Christian Fager &amp; Marianna Ivashina<br /></span><span style="background-color:initial">14:45     <strong>Chairman ChaseOn+GHz Centre: Concluding remarks:</strong> Peter Olanders<br /></span><span style="background-color:initial">15:00     ​End of Centre Day and coffee</span></div> <div><br /></div></div> ​<span style="background-color:initial">Presentations will feature a mix of academic and industrial speakers summarizing more than a decade of research between Chalmers and companies in microwave and antennas​</span><p class="MsoNormal"><span lang="EN-US"></span></p>https://www.chalmers.se/en/areas-of-advance/ict/calendar/Pages/Act-Sustainable-Can-automated-fact-checkers-clean-up-the-mess.aspxhttps://www.chalmers.se/en/areas-of-advance/ict/calendar/Pages/Act-Sustainable-Can-automated-fact-checkers-clean-up-the-mess.aspxAct Sustainable: Can automated fact checkers clean up the mess?<p>Studenternas Hus, Götabergsgatan 17, Göteborg</p><p>​Five days dedicated to sustainable development! The Act Sustainable week is soon up and running, starting 15th of November. Chalmers, represented by the Information and Communications Area of Advance, invites you to a morning session with focus on automated fact-checking.</p>​<div><div>The dream of free dissemination of knowledge seems to be stranded in a swamp of tangled truth. Fake news proliferates. Digital echo chambers confirm biases. It even seems hard to agree upon basic facts. Is there hope in the battle to clean up this mess? Yes! Within the research area of information and communications technology, we try to find ways through software solutions.</div> <div><br /></div> <div>In this morning session, you will meet with two invited researchers, both developing automated fact-checking methods. The talks are followed up with a panel discussion, bringing a broader perspective on the problem. The panelists are guests from Chalmers and the University of Gothenburg, together with the keynote speakers.</div> <div><br /></div></div> <div><b><br /></b></div> <div> <div><b>Agenda:</b></div> <div>09:45 <b>Introduction</b> by <b>Erik Ström</b>, Director, Information and Communications Technology Area of Advance</div> <div>10:00 <b>Looking for the truth in the post-truth era</b> with <b>Ivan Koychev</b>, University of Sofia, Bulgaria</div> <div>10:30 <b>Computational Fact-Checking for Textual Claims</b> with <b>Paolo Papotti</b>, Associate Professor, EURECOM, France</div> <div>11:00 <b>Pause</b></div> <div>11:10 <b>Panel discussion</b>, moderator <b>Graham Kemp</b>, professor, Department of Computer Science and Engineering, Chalmers and researchers from ChalmersUniversity of Technology and the University of Gothenburg.</div> <div>12:00 <b>The end</b></div> <div><br /></div> <div><a href="https://www.actsustainable.se/thursday21" target="_blank" title="link to Act Sustainable website"><img class="ms-asset-icon ms-rtePosition-4" src="/_layouts/images/icgen.gif" alt="" />Read more and register here</a>​</div> <div><br /></div> <div><br /></div> <div><br /></div></div>https://www.chalmers.se/en/areas-of-advance/materials/Calendar/Pages/Tandem-Webinar-Revolution-in-the-ultraviolet-spectrum.aspxhttps://www.chalmers.se/en/areas-of-advance/materials/Calendar/Pages/Tandem-Webinar-Revolution-in-the-ultraviolet-spectrum.aspxTandem Webinar – Revolution in the ultraviolet spectrum<p></p><p>​Welcome to a Tandem Webinar hosted by Chalmers Area of Advance Materials Science. When: 19 November 2021, at 15:00 -16:00. Place: Online, Zoom. In this webinar two scientists will give us different perspectives and offer an exciting and dynamic discussion on a hot topic.</p><strong>​​</strong><span style="background-color:initial"><strong>To login and participate, click on the following link:</strong> <br /><a href="https://chalmers.zoom.us/j/64820544330">https://chalmers.zoom.us/j/64820544330</a><br /></span><strong>Password: 999323</strong><br /><br /><div><strong>Speakers:</strong><br /><strong><img src="/en/areas-of-advance/materials/Calendar/PublishingImages/Tim_W.jpg" alt="Tim Wernicke" class="chalmersPosition-FloatLeft" style="margin:10px" /><img src="/en/areas-of-advance/materials/Calendar/PublishingImages/Asa_Haglund.jpg" alt="Åsa Haglund" class="chalmersPosition-FloatRight" style="margin:10px" /></strong><div><span style="font-weight:700">Tim Wernicke </span>is leading III-N epitaxy laboratory of the Experimental Nanophysics and Photonics group at the Technische Universität Berlin and his research focuses on the epitaxy of AlGaN-based UV-LEDs and lasers.</div> <div><br /></div> <div><span style="background-color:initial;font-weight:700">Åsa Haglund</span><span style="background-color:initial"> is a Professor at the Deptartment of Microtechnology and Nanoscience at Chalmers University of</span><span style="background-color:initial"> Technology and her research group focuses on visible and UV vertical-cavity surface-emitting lasers, thin-film UV light-emitting diodes. </span><br /></div> <br /><strong>Up to now, </strong>if you wanted to work with ultraviolet (UV) light you needed bulky, fragile and expensive lasers or gas discharge lamps available only at distinct wavelengths. With LEDs and lasers based on the ultra-wide bandgap semiconductor AlGaN a new age of UV technology and applications is dawning. However, developing semiconductor-based UV light-emitters requires a holistic approach. Therefore, we have joined forces between material physicists at TU Berlin and device physicists at Chalmers, creating energy efficient UV light-emitting diodes (LEDs) and the world’s shortest emission wavelength from a vertical-cavity surface-emitting laser (VCSEL). <br /><br /><strong>Why should we care about UV light-emitters?</strong><br />With the ongoing pandemic the need for disinfection is now even more important than ever. UV illumination has proven efficient in sterilizing SARS-CoV-2, but also other virus and bacteria, making it an important tool to combat future pandemics, but also to provide clean drinking water. UV illumination is also of great use for other applications such as promoting healthy substances in plants, dermatological phototherapy, curing of materials, gas sensing etc. <div><br /></div> <div><strong>Why UV LEDs and lasers? What are the challenges?</strong><br />Today, UV illumination is often provided by mercury-based UV lamps. By replacing them with semiconductor-based UV LEDs and lasers the light source will become environmentally friendly, have a small form factor (µm-sized instead of cm-m sized) and be tailorable in wavelength. However, the development of semiconductor-based UV light sources has been limited by material challenges such as high defect densities, low electrical conductivity, and low optical transparency. On top of this, device concepts used for high-performing visible and infrared emitters are not that easily implemented for UV devices. Therefore, UV LEDs suffer from a poor power conversion efficiency that is typically below 10% and VCSELs with an emission wavelength shorter than UVA did not existed a short while ago. <br /><br /><strong>What has been achieved? What does the future hold?</strong><br />Low defect density and highly conductive UV-transparent device structures have been demonstrated using short-period superlattices, and more recently tunnel junctions. To boost the light extraction efficiency in LEDs and enable VCSELs with highly reflective mirrors, we have developed a substrate removal technique based upon selective lateral electrochemical etching. When the substrate has been removed, the LED surface can be roughened, which increases the light extraction efficiency by about 25%. Instead of roughening the surface, we can form a laser cavity by depositing high-reflectivity dielectric mirrors on both sides. This resulted in the world’s shortest emission wavelength from a VCSEL at 310 nm. By combining advanced material growth and innovative device fabrication we have pushed these devices forward, but this is only the beginning. If you join this seminar, we will also reveal what at we think the future holds.   </div> <div><br /></div> <div><div><br /></div> <div></div></div> <div><br /></div></div>https://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_22_nov.aspxhttps://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_22_nov.aspxSmallTalks [about Nanoscience] RNA and Fluorescence<p>tbd</p><p>​Welcome to a seminar in the series SmallTalks [about Nanoscience] arranged by the Excellence Initiative Nano​. Jesper Nilsson from Chemistry and Biochemistry Lab and FoRmulaEx, Department of Chemistry will talk about RNA and Fluorescence. The title for the second part of this seminar will be announced soon.  Join from PC, Mac, Linux, iOS or Android: https://chalmers.zoom.us/j/63018620593</p><a href="/SiteCollectionDocuments/SO%20Nano/SmallTalks/Decisiontree_EI_NanoSeminar2021_SC%203.pdf" style="outline:currentcolor none 0px"><img src="/SiteCollectionImages/Areas%20of%20Advance/Nano/SmallTalk%20about%20Nanoscience/Decisiontree_EI_NanoSeminar2021_SC%203.jpg" class="chalmersPosition-FloatRight" alt="" style="margin:5px;height:207px;width:150px" />​</a><span style="background-color:initial">In c</span><span style="background-color:initial">ase you are not sure yet, whether you want to attend or not, we have prepared a decision tree that might help you! </span><div><span style="background-color:initial">Click to get a larger picture.</span><a href="/SiteCollectionDocuments/SO%20Nano/SmallTalks/Decisiontree_EI_NanoSeminar2021_SC%203.pdf">​</a><div><p class="chalmersElement-P"><br />​​</p></div></div> https://www.chalmers.se/en/departments/mc2/calendar/Pages/Abdelhafid-Zehri,-Microtechnology-and-Nanoscience.aspxhttps://www.chalmers.se/en/departments/mc2/calendar/Pages/Abdelhafid-Zehri,-Microtechnology-and-Nanoscience.aspxAbdelhafid Zehri, Microtechnology and Nanoscience - MC2<p>Kollektorn, lecture room, Kemivägen 9, MC2-huset</p><p>​Title: Characterization of Multifunctional Nanomaterialsfor Electronics Thermal Management and Sintering Applications</p>​<span style="background-color:initial">Abdelhafid is a PhD student at the Electronics Materials and Systems Laboratory</span><div>Faculty opponent: Professor Changqing Liu, Loughborough University, UK</div> <div>Main supervisor and examiner: Prof. Johan Liu</div> <div><br /></div> <div><span style="background-color:initial">The defence will be held in Kollektorn and online: TBA</span><div>To be admitted, please enter the numbers: TBA</div> <span style="background-color:initial">As you enter the meeting, please make sure that your username reflects your actual full name for easy recognition.​</span></div>https://www.chalmers.se/en/centres/2d-tech/calendar/Pages/2dtech-nov29.aspxhttps://www.chalmers.se/en/centres/2d-tech/calendar/Pages/2dtech-nov29.aspxPerspectives of 2D materials for electronics applications<p>TBD</p><p>Welcome to a 2D-tech talk with Gianluca Fiori, University of Pisa, Italy. Join from PC, Mac, Linux, iOS or Android: https://chalmers.zoom.us/j/68261745009​ Password: 923613​</p>https://www.chalmers.se/en/areas-of-advance/materials/Calendar/Pages/Partnership-workshop-–-good-examples-of-collaborations-between-Chalmers-and-RISE.aspxhttps://www.chalmers.se/en/areas-of-advance/materials/Calendar/Pages/Partnership-workshop-%E2%80%93-good-examples-of-collaborations-between-Chalmers-and-RISE.aspxPartnership workshop – good examples of collaborations between Chalmers and RISE<p>Lecture Hall Palmstedt, university building, Chalmersplatsen 2, Campus Johanneberg</p><p>​​SAVE THE DATE: On December 2, Chalmers and RISE​ invite you to a workshop with good examples of research collaborations. The purpose is to inspire and show collaboration opportunities of working together, and how these values ​​have been achieved. The primary target group is researchers at Chalmers and RISE. More information and a program will follow on 20 October.​​</p>​Time and place: 2 December, 13:00 -17:00, Palmstedtsalen Chalmers kårhus, Chalmersplatsen 2, Campus Johanneberg.​https://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_6_dec.aspxhttps://www.chalmers.se/en/research/strong/nano/calendar/Pages/ei_nano_seminar_6_dec.aspxSmallTalks [about Nanoscience] Quantum Thermodynamics<p>tbd</p><p>​Welcome to a seminar in the series SmallTalks [about Nanoscience] arranged by the Excellence Initiative Nano​. Juliette Monsel from Applied quantum physics Lab, Department for Microtechnology and Nanoscience will talk about Quantum Thermodynamics. The title for the second part of this seminar will be announced soon.  Join from PC, Mac, Linux, iOS or Android: https://chalmers.zoom.us/j/63018620593 ​</p><a href="/SiteCollectionDocuments/SO%20Nano/SmallTalks/Decisiontree_EI_NanoSeminar2021_SC%203.pdf" style="outline:0px"><img src="/SiteCollectionImages/Areas%20of%20Advance/Nano/SmallTalk%20about%20Nanoscience/Decisiontree_EI_NanoSeminar2021_SC%203.jpg" class="chalmersPosition-FloatRight" alt="" style="margin:5px;height:207px;width:150px" />​</a><span style="background-color:initial">In c</span><span style="background-color:initial">ase you are not sure yet, whether you want to attend or not, we have prepared a decision tree that might help you! </span><div><span style="background-color:initial">Click to get a larger picture.</span><a href="/SiteCollectionDocuments/SO%20Nano/SmallTalks/Decisiontree_EI_NanoSeminar2021_SC%203.pdf">​</a><div><p class="chalmersElement-P"><br />​​</p></div></div> https://www.chalmers.se/en/departments/mc2/calendar/Pages/Mehdi-Jahed,-MC2.aspxhttps://www.chalmers.se/en/departments/mc2/calendar/Pages/Mehdi-Jahed,-MC2.aspxMehdi Jahed, Microtechnology and Nanoscience - MC2<p>Kollektorn, lecture room, Kemivägen 9, MC2-huset</p><p>​Title: VCSEL and Integration Techniques for Wavelength-Multiplexed Optical Interconnects</p>​<span style="background-color:initial">Mehdi is a PhD student at the Photonics Laboratory</span><div>Faculty opponent:Prof.James Lott, Technical University of Berlin</div> <div>Main supervisor: Prof. Anders Larsson </div> <div>Examiner: Prof. Åsa Haglund</div> <div><br /></div> <div><div>The defence will be held in Kollektorn and online: TBA</div> <div>To be admitted, please enter the numbers: TBA</div> <div>As you enter the meeting, please make sure that your username reflects your actual full name for easy recognition.​</div></div>