Celebrating women's pivotal role in graphene research on the International Day of Women and Girls in Science. #WomenInScience #GrapheneResearch
By Megan Craig, M.Sc.Feb 9 2024 The International Day of Women and Girls in Science, which takes place February 11th 2024, serves as a pivotal reminder of the essential contributions women and girls make to the scientific and technological communities.
Despite the critical importance of Science, Technology, Engineering, and Mathematics to the economic growth of nations, gender equality within these fields remains an unmet goal in many countries, regardless of their development status. As we explore these advancements, AZoNano underscores the principle that true scientific innovation emerges when everyone is afforded an equal opportunity to contribute to the search for discovery.
The findings, including a simple equation to predict movement mathematically, offer valuable insights into the behavior of 2D materials in confined environments, which could aid in overcoming fabrication challenges and ultimately enable the creation of macroscopic materials with enhanced properties. Exploring BLG's Suitability For Solid-State Quantum Computing Rebekka Garreis & Chuyao Tong, ETH Zurich Garreis and Tong discuss what initially inspired their career in STEM. For Garreis, curiosity has always been at the heart of her life. She tells AZoNano, "I've been curious about the world around me and have had a fascination for understanding how the universe works.
In the BLG double quantum dot used in this work, electrons have both an intrinsic angular momentum and a pseudo-spin . Image Credit: ETH Zurich/Chuyao Tong Tested in mice, the transparent graphene electrodes allow simultaneous electrical recordings and optical imaging to record deep neural activity with high resolution while remaining minimally invasive. By using machine learning, neural activity from surface signals can be predicted, enabling longer experiments in real-world settings.
I liked the idea of developing next-generation high-performance materials using advanced manufacturing approaches. It provides a pathway for translating lab-scale technologies into commercial applications, especially working at a national laboratory." By working at DEO Pacific Northwest National Laboratory, Kappagantula has found a balance between conducting fundamental scientific research and developing engineering solutions.
Kappagantula further elaborates, "Most studies in this area aim to enhance room temperature conductivity and in ‘small0-scale samples’, but the improvements are lost at elevated temperatures. Most applications with conductors use the materials at elevated temperatures and need bulk scale components."
The work will be impactful in reducing energy consumption in nano- and micro-electromechanical systems, in addition to allowing dynamic control of friction while mitigating the enhanced wear and corrosion of sliding surfaces when direct bias is applied.
Sensor Could Make Mind-Controlled Robots Possible Professor Francesca lacopi, University of Technology Sydney lacopi benefitted from encouragement during her high school education, recalling, "I have been attracted to STEM since I was in high school, mainly thanks to a couple of very inspiring teachers who transmitted to me their enthusiasm for the fields of physics and chemistry."
Published in ACS Applied Nano Materials, the study demonstrates the sensors' conductivity, ease of use, and durability. Positioned over the scalp's visual cortex, these resilient sensors detect brainwaves, translating them into commands via a head-mounted augmented reality lens. “It is a paradox: How can electrons which move so slowly conduct electricity at all, let alone superconduct? It is very remarkable," remarks Lau.
International Day of Women and Girls in Science 2023 References and Further Reading: Umezaki, U. et al. ‘Brownian diffusion of hexagonal boron nitride nanosheets and graphene in two dimensions’, ACS Nano, 18, pp. 2446–2454. doi:10.1021/acsnano.3c11053.
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