{"650584":{"#nid":"650584","#data":{"type":"news","title":"Georgia Tech President Cabrera Pays Visit to Khan Lab ","body":[{"value":"\u003Cp\u003EGeorgia Tech President\u0026nbsp;\u0026Aacute;ngel\u0026nbsp;Cabrera\u0026nbsp;recently\u0026nbsp;paid a visit to the Khan Lab, located in the Pettit Microelectronics Building, to learn more about the field of\u0026nbsp;ferroelectricity and\u0026nbsp;negative capacitance and its applications\u0026nbsp;in microelectronics.\u0026nbsp;Douglas M. Blough, the\u0026nbsp;interim Steve W.\u0026nbsp;Chaddick\u0026nbsp;School\u0026nbsp;Chair\u0026nbsp;in the School of Electrical and Computer Engineering (ECE),\u0026nbsp;also took part in the visit.\u0026nbsp;\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EThe Khan Lab is led by Asif Khan, who is an\u0026nbsp;ECE\u0026nbsp;assistant professor\u0026nbsp;and\u0026nbsp;a recent recipient of a DARPA Young Faculty Award, an\u0026nbsp;NSF CAREER Award,\u0026nbsp;and an Intel Rising Star Award. He and his team of\u0026nbsp;six Ph.D. students and\u0026nbsp;two\u0026nbsp;engineers\u0026nbsp;research\u0026nbsp;microelectronic devices\u0026nbsp;to\u0026nbsp;address the challenges faced by the semiconductor\u0026nbsp;technology\u0026nbsp;due to the end of transistor miniaturization.\u0026nbsp;His group focuses on all aspects of ferroelectricity,\u0026nbsp;ranging from materials physics, growth, and electron microscopy to micro-\/nano-fabrication\u0026nbsp;of\u0026nbsp;ferroelectronic\u0026nbsp;devices. This includes\u0026nbsp;ferroelectric circuits and systems for artificial intelligence, machine learning,\u0026nbsp;and data-centric applications.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDuring the visit with\u0026nbsp;Cabrera\u0026nbsp;on August 18,\u0026nbsp;Khan explained the importance of semiconductor\u0026nbsp;electronics\u0026nbsp;in modern times.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026ldquo;Transistors are the most abundant,\u0026nbsp;man-made\u0026nbsp;artifact\u0026nbsp;in history; more than ten sextillion\u0026nbsp;(10\u003Csup\u003E22\u003C\/sup\u003E)\u0026nbsp;transistors have been manufactured\u0026nbsp;since the 1960s,\u0026rdquo;\u0026nbsp;Khan\u0026nbsp;said.\u0026nbsp;\u0026ldquo;And they are the basis for the future that technology holds for us,\u0026nbsp;from\u0026nbsp;artificial intelligence, machine learning driven applications, autonomous transportation to space exploration, medicine,\u0026nbsp;and health care.\u0026rdquo;\u0026nbsp;\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EKhan\u0026nbsp;also gave an overview of\u0026nbsp;current challenges in microelectronics. \u0026ldquo;Cloud infrastructure\u0026nbsp;is estimated to\u0026nbsp;account\u0026nbsp;for\u0026nbsp;1 to 5 percent\u0026nbsp;of worldwide energy consumption\u0026nbsp;and has a significant carbon footprint equivalent to that of mid-sized countries like\u0026nbsp;the\u0026nbsp;Netherlands and Malaysia. Environmental impacts\u0026nbsp;of microelectronics\u0026nbsp;may\u0026nbsp;skyrocket in the next\u0026nbsp;10 to 15 years\u0026nbsp;with the massive proliferation of information technologies.\u0026rdquo;\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EKhan and his team are\u0026nbsp;investigating innovative\u0026nbsp;approaches to curb energy usage in electronics. They gave an overview of the concept of\u0026nbsp;negative capacitance, a phenomenon\u0026nbsp;in ferroelectric materials\u0026nbsp;that\u0026nbsp;can reduce the power dissipation in\u0026nbsp;transistors\u0026nbsp;below the \u0026lsquo;fundamental\u0026rsquo; thermodynamic limit.\u0026nbsp;Negative capacitance is an\u0026nbsp;area\u0026nbsp;of interest in multiple fields,\u0026nbsp;including\u0026nbsp;materials science, condensed matter physics, and electrical engineering.\u0026nbsp;\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ENujhat\u0026nbsp;Tasneem, a fifth year Ph.D. student, showed a ferroelectric transistor chip fabricated at the Institute of Electronics and Nanotechnology (IEN), an interdisciplinary research institute at Georgia Tech. Besides its negative capacitance properties, FEFETs are also an emerging candidate in the embedded memory space for artificial intelligence applications. Tasneem\u0026#39;s work involves characterizing the performance of FEFETs as a memory device. Some of her characterization experiments were also shown to Cabrera.\u0026nbsp;The president\u0026rsquo;s visit\u0026nbsp;also showcased a state-of-the-art 300 mm ferroelectric wafer\u0026nbsp;that was\u0026nbsp;manufactured\u0026nbsp;at\u0026nbsp;a semiconductor company.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EFollowing Tasneem\u0026rsquo;s presentation, Prasanna Ravindran, a third year Ph.D. student in the Khan Lab, in collaboration with IEN, demonstrated the use of Microsoft\u0026nbsp;Hololens\u0026nbsp;for remote assistance and effective collaboration\u0026nbsp;for cleanroom activities. The lab started using the technology during the pandemic\u0026nbsp;in order to\u0026nbsp;have discussions with collaborators who were unable to travel, as well as among lab members for remote assistance and for questions about experimental setups and metrology.\u0026nbsp;Khan alluded to the possibilities of using\u0026nbsp;Hololens\u0026nbsp;for many kinds of outreach and general awareness activities, including tours of labs and IEN cleanrooms for K-12 students.\u0026nbsp;Afterwards,\u0026nbsp;Ravindran\u0026nbsp;gave an overview of his cryogenic measurement setup which can measure devices down to 4 K.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ECabrera shared stories\u0026nbsp;of his personal journey, including\u0026nbsp;his diverse professional training in telecommunications\u0026nbsp;engineering and cognitive psychology, and his\u0026nbsp;different leadership roles\u0026nbsp;spanning two different continents.\u0026nbsp;He also\u0026nbsp;mentioned the changing landscape of the metro\u0026nbsp;Atlanta area, especially with the recent arrival of\u0026nbsp;a\u0026nbsp;couple\u0026nbsp;of big-tech companies. Blough\u0026nbsp;described the\u0026nbsp;important\u0026nbsp;role that the School of\u0026nbsp;Electrical and Computer Engineering\u0026nbsp;is playing\u0026nbsp;on\u0026nbsp;the national stage\u0026nbsp;in the areas of semiconductors and nanotechnology.\u0026nbsp;\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EThe visit concluded with an inspiring note from Cabrera\u0026nbsp;to the students and the attendees: \u0026ldquo;It is always important to remember\u0026nbsp;the impact of your work\u0026nbsp;on\u0026nbsp;society.\u0026nbsp;During the course\u0026nbsp;of\u0026nbsp;a\u0026nbsp;Ph.D.,\u0026nbsp;while\u0026nbsp;you\u0026nbsp;are laser-focused on a specific problem, it is easy to lose sight of the big picture,\u0026rdquo; he said.\u0026nbsp;\u0026ldquo;In your case, you are addressing a grand challenge that may in some shape or form impact all of us\u0026nbsp;and the ones who will come after us.\u0026rdquo;\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EPhoto credits: Ashlee Gardner\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EGeorgia Tech President\u0026nbsp;\u0026Aacute;ngel\u0026nbsp;Cabrera\u0026nbsp;recently\u0026nbsp;paid a visit to the Khan Lab, located in the Pettit Microelectronics Building, to learn more about the field of\u0026nbsp;ferroelectricity and\u0026nbsp;negative capacitance and its applications\u0026nbsp;in microelectronics.\u0026nbsp;\u003C\/p\u003E\r\n","format":"limited_html"}],"field_summary_sentence":[{"value":"Georgia Tech President \u00c1ngel Cabrera recently paid a visit to the Khan Lab, located in the Pettit Microelectronics Building, to learn more about the field of ferroelectricity and negative capacitance and its applications in microelectronics. "}],"uid":"27241","created_gmt":"2021-09-09 00:50:54","changed_gmt":"2021-09-09 01:07:53","author":"Jackie Nemeth","boilerplate_text":"","field_publication":"","field_article_url":"","dateline":{"date":"2021-09-08T00:00:00-04:00","iso_date":"2021-09-08T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"hg_media":{"650585":{"id":"650585","type":"image","title":"Nujhat Tasneem shows a FEFET chip","body":null,"created":"1631148786","gmt_created":"2021-09-09 00:53:06","changed":"1631149437","gmt_changed":"2021-09-09 01:03:57","alt":"Nujhat Tasneem (third from left) shows a FEFET chip fabricated at IEN to President\u00a0\u00c1ngel\u00a0Cabrera at a visit to the Khan Lab on August 18. 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