Center for Nanoscale Materials’ Post

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Chris Hinkle, the Leonard C. Bettex Professor of Electrical Engineering at the University of Notre Dame, is investigating new materials to power faster, smaller, and more efficient chips for next generation microelectronics. Professor Hinkle is the principal investigator on a new National Science Foundation (NSF) funded, multi-institutional semiconductor project looking for “switchable” semiconductor materials that can either conduct or impede the flow of electricity when activated by an external trigger. In a related project, Professor Hinkle is working with an interdisciplinary team to find new materials for metal wires. These tiny wires have slower electrons than big wires, making them less efficient carriers of electrical current. Using codesign methods, the team has already discovered a new material that outperforms current state-of-the-art copper. Learn more about these projects and Dr. Hinkle at the link below. #notredame #microelectronics #semiconductors

Did you know … ❓ The performance of radio frequency filters used for telecommunication purposes depends on the frequency response of their building blocks, acoustic MEMS resonators. 💡 At SAL, we are working with new types of piezoelectric materials and resonator designs, which need to be characterized in an extended temperature range to cover the needs of today's telecom applications and to understand the temperature behavior of RF filters.  👩🎓 👨🎓 We are currently looking for a MA student in electrical engineering, material science, applied physics or a similar field to write their thesis with SAL on the electrical characterization and experimental validation of the various strategies for ensuring proper parameter extraction of acoustic MEMS resonators. 🎯 Find more information here and apply directly: https://lnkd.in/dvtS2yW3 #openposition #masterthesis #applynow #acoustic #mems

Using a 2D perovskite oxide as a photoactive high-κ gate dielectric. Researchers at Fudan University recently prepared a 2D perovskite oxide with high-κ that can be integrated with different 2D channel materials. Their paper, published in Nature Electronics, could open new opportunities for the future down-scaling of optoelectronics - https://lnkd.in/gGN8qP3Y #semiconductors

For those working on defects in semiconductors, we are preparing a Special Topic Collection in Journal of Applied Physics titled "Defects in Semiconductors 2024", guest edited by Anderson Janotti, John Lyons, Darshana Wickramaratne, and Cyrus Dreyer. Please consider submitting an article! https://lnkd.in/gpCmG3Uu   Scope of the Special Topic Collection: Current technology heavily relies on our ability to detect, control, and understand defects in semiconductors. Whether beneficial or detrimental, defects play crucial roles in various semiconductor materials. Advances in synthesis, thin-film growth, microscopy, spectroscopy, and theory have led to new insights into how defects behave in these materials, improving performance in applications such as silicon chips, photovoltaics, light-emitting diodes, laser diodes, and quantum information. This Special Topic on Defects in Semiconductors provides a valuable forum where researchers can share their latest and most innovative findings related to the fundamentals of defects in semiconductors.   This Special Topic includes - but is not limited to - the following areas: - Silicon, Germanium, Silicon Carbide, and Diamond - Nitrides and other III-V materials - Oxides and other chalcogenide semiconductors - Organic semiconductors and perovskites - 2D semiconductor materials - Low-dimensional semiconductor structures - Defects for quantum information - Defect-induced electrical, magnetic, thermal, and optical properties - Theory, computational methods, and experimental methods for characterization and understanding of defects

MIT researchers created a technique that allows individual halide perovskite nanocrystals to be grown on-site where needed with precise control over location, to within less than 50 nanometers. (A sheet of paper is 100,000 nanometers thick.) The size of the nanocrystals can also be precisely controlled through this technique, which is important because size affects their characteristics. Since the material is grown locally with the desired features, conventional lithographic patterning steps that could introduce damage are not needed. “As our work shows, it is critical to develop new engineering frameworks for integration of nanomaterials into functional nanodevices. By moving past the traditional boundaries of nanofabrication, materials engineering, and device design, these techniques can allow us to manipulate matter at the extreme nanoscale dimensions, helping us realize unconventional device platforms important to addressing emerging technological needs,” says Farnaz Niroui, the EE Landsman Career Development Assistant Professor of Electrical Engineering and Computer Science (EECS), a member of the Research Laboratory of Electronics (RLE), and senior author of a new paper describing the work. https://lnkd.in/eSpXVdDE

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🌟 Highlighted Paper: Ultrafast switching with light in correlated material🌟 Materials that refuse to fit into theory are often the most fascinating. They challenge researchers to try harder to understand their peculiar behaviour, especially when their properties are promising for technological applications. Researchers in the High Harmonic Generation & EUV Science group of Peter Kraus ARCNL, assistant professor Vrije Universiteit Amsterdam (VU Amsterdam), have recently unravelled some of the mysteries of a so-called correlated material and found a way to manipulate its resistivity with light. This paves the way for opto-electronic ultrafast switching in future microelectronics. The study was recently published in Physical Review Letters. Read more 👉 https://lnkd.in/eNB3MPDm 🚀 #MaterialScience #OptoElectronics #Research #Science #Innovation #Microelectronics

"There's a barrier preventing the advent of truly elastic electronic systems, the kind needed for advanced human-machine interfaces, artificial skins, smart health care and more, but a Penn State-led research team may have found a way to stretch around it. According to principal investigator Cunjiang Yu, who is the Dorothy Quiggle Career Development Associate Professor of Engineering Science and Mechanics and of Biomedical Engineering at Penn State, fully elastic electronic systems require flexibility and stretchability in every component. Researchers have achieved this characteristic in most of the components, except for one type of semiconductor that is notoriously brittle. Now, Yu and his international team developed an approach to compensate for the frail and breakable semiconductor to advance the field closer to fully flexible systems." #materialscience

Chris Hinkle, the Leonard C. Bettex Professor of Electrical Engineering at the University of Notre Dame, is investigating new materials to power faster, smaller, and more efficient chips for next generation microelectronics. This is a new National Science Foundation (NSF) funded, multi-institutional project looking into "switchable" semiconductor materials that can either conduct or impede the flow of electricity when activated by an external trigger. Dr. Hinkle is the principal investigator for this project.   In a related project, Professor Hinkle is working with an interdisciplinary team to find new materials for metal wires. These tiny wires have slower electrons than big wires, making them less efficient carriers of electrical current. Using codesign methods, the team has already discovered a new material that outperforms current state-of-the-art copper. #notredame #microelectronics #semiconductors