The status of the IEEE-NMDC Conferences impacted by the COVID-19 pandemic:
For the best interests of the public health safety and conference experience and in view of the continuing uncertainty from the COVID-19 pandemic, we are here announcing that IEEE NMDC 2020 planned on October 18-21 in Nanjing, China will postpone to 2022 (eg become NMDC 2022) on October 16-19, 2022, still in Nanjing. See website http://nmdc2020.org/ for announcements.
In place of NMDC 2020 we will be organizing a virtual event in October, details will be announced.
NMDC 2021, colocated with CEIDP 2021, is to be held at the Pinnacle Harbourfront Hotel, Oct. 17-20, 2021, Vancouver, Canada.
Solicitation of hosting proposals is open for NMDC 2023.
Posted in 2020, 2021, 2022, Announcement | Comments Off on Plans for IEEE NMDC Conferences due to COVID-19 Pandemic
Adventures with Atomic Materials: from Flexible/Wearable Electronics to Memory Devices
Deji Akinwande, University of Texas – Austin
Abstract:
This talk will present our latest research adventures on 2D nanomaterials towards greater scientific understanding and advanced engineering applications. In particular, the talk will highlight our work on flexible electronics, zero-power devices, monolayer memory (atomristors), non-volatile RF switches, and wearable tattoo sensors. Non-volatile memory devices based on 2D materials are an application of defects and is a rapidly advancing field with rich physics that can be attributed to sulfur vacancies or metal diffusion. Atomistic modeling and atomic resolution imaging are contemporary tools under use to elucidate the memory phenomena. Likewise, from a practical point, electronic tattoos based on graphene have ushered a new material platform that has highly desirable practical attributes including optical transparency, mechanical imperceptibility, and is the thinnest conductive electrode sensor that can be integrated on skin for physiological measurements. Much of these research achievements have been published in nature, advanced materials, IEEE and ACS journals.
Bio:
Deji Akinwande is an Endowed Full Professor at the University of Texas at Austin. He received the PhD degree from Stanford University in 2009. His research focuses on 2D materials and nanoelectronics/technology, pioneering device innovations from lab towards applications. Prof. Akinwande has been honored with the 2019 Fulbright Specialist Award, 2017 Bessel-Humboldt Research Award, the U.S Presidential PECASE award, the inaugural Gordon Moore Inventor Fellow award, the inaugural IEEE Nano Geim and Novoselov Graphene Prize, the IEEE “Early Career Award” in Nanotechnology, the NSF CAREER award, several DoD Young Investigator awards, and was a past recipient of fellowships from the Kilby/TI, Ford Foundation, Alfred P. Sloan Foundation, 3M, and Stanford DARE Initiative. His research achievements have been featured by Nature news, Time magazine, BBC, Discover magazine, and many media outlets. He serves as an Editor for the IEEE Electron Device Letters and Nature NPJ 2D Materials and Applications. He Chairs the 2020 Gordon Research Conference on 2D materials, and was the past chair of the 2019 Device Research Conference (DRC), and the 2018 Nano-device committee of IEEE IEDM Conference. He is a Fellow of the IEEE and the American Physical Society (APS).
3D Nanofabrication by curving, bending, and folding
David Gracias, Professor, Department of Chemical and Biomolecular Engineering, Johns Hopkins University
Abstract:
Conventional VLSI lithographic patterning approaches have revolutionized modern engineering, but they are inherently planar. Recently, researchers have discovered that the interplay between out-of-plane stresses, capillary forces or swelling vs bending rigidity of patterned thin films can be engineered so as to cause spontaneous 2D to 3D shape transformations by curving, bending, and folding in a reproducible and high-throughput manner.
In this talk, the design, assembly, and characterization of such 3D nanostructured materials and devices will be described. The emphasis of our approach has been on enabling mass-production of lithographically micro, nano, and smart 3D devices in a high-throughput manner with diverse materials such as 2D layered materials (e.g. graphene, MoS2), silicon and related materials, polymers (e.g. SU8) and hydrogels. By leveraging the precision of planar lithography approaches such as photo, e-beam, and nanoimprint methodologies, a range of functional patterns can be incorporated into these thin film self-assembling systems so as to provide enhanced functionality for optics, electronics, and medicine. Assembled devices include metamaterials, flexible biosensors, curved microfluidics, drug-delivery capsules, anatomically realistic models for tissue engineering, antennas, e-blocks, sensors, soft-robotic actuators, and untethered surgical tools.
Biography:
David Gracias is a Professor at the Johns Hopkins University (JHU) in Baltimore. He did his undergraduate at the Indian Institute of Technology, received his PhD from UC Berkeley, did post-doctoral research at Harvard University and worked at Intel Corporation prior to starting his independent laboratory at JHU in 2003. Prof. Gracias has pioneered the development of 3D, integrated micro and nanodevices using a variety of patterning, self-folding and self-assembly approaches. He has co-authored over 190 technical articles, holds 33 issued patents and has delivered over 100 invited technical talks. Prof. Gracias has received a number of major awards including the NIH Director’s New Innovator Award, Beckman Young Investigator Award, NSF Career Award, Camille Dreyfus Teacher Scholar Award, Beckman Young Investigator Award, and Friedrich Wilhelm Bessel Award. He is a Fellow of the American Institute for Medical and Biological Engineering (AIMBE), Royal Society of Chemistry (RSc), American Association for the Advancement of Science (AAAS) and the Institute of Electrical and Electronics Engineers (IEEE).
The static dielectric constant of a material Ɛ0 is a scaling factor for capacitors and the devices based upon them; the larger the dielectric constant, the greater the degree of miniaturization. Materials with a dielectric constant greater than that of silicon nitride (Ɛ0 ~ 7) are referred to as high-dielectric constant materials. Values of Ɛ0 ~ 100 are typical in rutile (titanium dioxide); however, values in excess of 104 are observed in barium titanate in the region of the ferroelectric transition – while this value is impressive, it is not very useful due to the strong temperature dependence. The observation of Ɛ0 ~ 105 in the calcium copper titanate (CaCu3Ti4O12) material sparked considerable interest because it showed little temperature dependence between 100 – 600 K. Optical and impedance spectroscopies revealed that the high dielectric constant in this material was ultimately due to the extrinsic internal boundary layer capacitance effect. Unfortunately, the dielectric losses in these materials are relatively high. A new strategy to achieve high dielectric permittivity with low loss involves using localized lattice defect states through ambipolar co-doping; these intrinsic defect complexes give rise to strong dipoles that are responsible for Ɛ0 in excess of 104, with exceptionally low dielectric losses over most of the radio frequency range and excellent thermal stability, will allow further scaling advances in electronic devices.
Bio:
Christopher Homes is a Physicist (with tenure) and a member of the Electron Spectroscopy Group in the Condensed Matter Physics and Material Science Department at Brookhaven National Laboratory (BNL). His research is focused on the complex optical properties of quantum materials, including topological and strongly correlated electron systems, with an emphasis on emergent phenomena. Previous work has examined the optical properties of the cuprate and iron-based superconductors, as well as high-dielectric constant materials; recent work deals mainly with the Dirac and Weyl semimetals. Prior to arriving at BNL in 1996, he was a postdoctoral fellow at Simon Fraser and McMaster University. He received his M.Sc. and Ph.D. in physics from the University of British Columbia, and his B.Sc. in physics from McMaster University. He is a Fellow of the American Physical Society and a recipient of the Brookhaven Science and Technology Award.
Dong Sun, Department of Biomedical Engineering, Center for Robotics and Automation, City University of Hong Kong
Abstract:
The application of robot technology to achieve early diagnosis and treatment of diseases at the cellular level represents a new frontier in the development of contemporary medical robots. Microrobotic system for cell therapy is an entirely new emerging theme that is enabled with specially designed automated micromanipulation tools to perform medical diagnosis and treatment on single cells at large scale. This talk will introduce our development of combining robotics technologies with micro-manipulation tools including optical tweezers, micro-needles and electromagnetic devices, to accomplish various cell manipulation tasks. With this emerging technology, numerous cell surgical operations can be achieved, which include cell transportation and rotation, cell biopsy and microinjection, and precise delivery of cells with magnetic actuation. These inventions will permit many new unforeseen clinical applications previously thought impossible, and profoundly affect therapeutic treatment in precision medicine.
Biography:
Dong Sun is currently the head and Chair Professor of the Department of Biomedical Engineering and Director of the Center for Robotics and Automation, City University of Hong Kong. He is among the leading contributors worldwide in pioneering work in robotic manipulation of biological cells. His research has breakthrough in the use of combined robotics and various micro-engineering tools including optical tweezers, micro-needles and electromagnetic devices to achieve cell manipulation, diagnosis and micro-surgery at the single cell level. He has published 20 books and book chapters, 430 papers in referred journals and conference proceedings, and holds 18 international patents. He has directed more than 40 PhD students to graduate in Hong Kong. Dr. Sun organizes several international flagship conferences including the world largest intelligent robot conference (IROS 2019). Dr. Sun also actively participated in industrial activities, such as co-founding a high-tech company in the Hong Kong Science and Technology Park and winning Hong Kong Industry Awards. He is Fellow of the Canadian Academy of Engineering and Fellow of IEEE.
Atomically Precise Chemical, Physical, Electronic, and Spin Contacts and Interfaces
Paul S. Weiss, California NanoSystems Institute and Departments of Chemistry & Biochemistry, Bioengineering, and Materials Science & Engineering, UCLA
Abstract:
Two seemingly conflicting trends in nanoscience and nanotechnology are our increasing ability to reach the limits of atomically precise structures and our growing understanding of the importance of heterogeneity in the structure and function of molecules and nanoscale assemblies. By having developed the “eyes” to see, to record spectra, and to measure function at the nanoscale, we have been able to fabricate structures with precision as well as to understand the important and intrinsic heterogeneity of function found in these assemblies. The physical, electronic, mechanical, and chemical connections that materials make to one another and to the outside world are critical. Just as the properties and applications of conventional semiconductor devices depend on these contacts, so do nanomaterials, many nanoscale measurements, and devices of the future. We discuss the important roles that these contacts can play in preserving key transport and other properties. Initial nanoscale connections and measurements guide the path to future opportunities and challenges ahead. Band alignment and minimally disruptive connections are both targets and can be characterized in both experiment and theory. Chiral assemblies can control the spin properties and thus transport at interfaces. I discuss our initial forays into these areas in a number of materials systems.
Biography:
Paul S. Weiss graduated from MIT with S.B. and S.M. degrees in chemistry in 1980 and from the University of California at Berkeley with a Ph.D. in chemistry in 1986. He is a nanoscientist and holds a UC Presidential Chair and a distinguished professor of chemistry & biochemistry, bioengineering, and materials science & engineering at UCLA, where he was previously director of the California NanoSystems Institute. He also currently holds visiting appointments at Harvard’s Wyss Institute and several universities in Australia, China, and South Korea. He studies the ultimate limits of miniaturization, developing and applying new tools and methods for atomic-resolution and spectroscopic imaging and patterning of chemical functionality. He and his group apply these advances in other areas including neuroscience, microbiome studies, tissue engineering, and high-throughput gene editing. He led, coauthored, and published the technology roadmaps for the BRAIN Initiative and the U.S. Microbiome Initiative. He has won a number of awards in science, engineering, teaching, publishing, and communications. He is a fellow of the American Academy of Arts and Sciences, American Association for the Advancement of Science, American Chemical Society, American Institute for Medical and Biological Engineering, American Physical Society, American Vacuum Society, Canadian Academy of Engineering, IEEE, Materials Research Society, and an honorary fellow of the Chinese Chemical Society and Chemical Research Society of India. He is the founding and current editor-in-chief of ACS Nano.
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