News & EventsDepartment Events
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Sep18
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ECE Seminar
Title: Tuning Magnetic Anisotropy in Nanostructures for Biomedical and Electromagnetic Applications
Speaker: Prof. Hari Srikanth (University of South Florida, Tampa, Florida, USA)Abstract: Magnetic nanoparticles have been building blocks in applications ranging from high density recording to spintronics and nanomedicine [1]. Magnetic anisotropies in nanoparticles arising from surfaces, shapes, and interfaces in hybrid structures are important in determining the functional response in various applications. In this talk I will first introduce the basic aspects of anisotropy and discuss resonant radio-frequency (RF) transverse susceptibility, which we have used extensively, as a powerful method to probe the effective anisotropy in magnetic materials. The tuning of anisotropy has a direct impact on the performance of functional magnetic nanoparticles in biomedical applications such as contrast enhancement in magnetic resonance imaging and magnetic hyperthermia for cancer therapy. I will focus on the role of tuning surface and interfacial anisotropy with a goal to enhance specific absorption rate or heating efficiency. Strategies going beyond simple spherical structures to include exchange coupled core-shell nanoparticles, nanowires, and nanotubes, can be exploited to increase heating efficiency in magnetic hyperthermia [2], [3]. In addition to biomedical applications, composites of anisotropic nanoparticles dispersed in polymers pave the way to a range of electrically and magnetically tunable materials for RF and microwave device applications [4]. This lecture will combine insights into fundamental physics of magnetic nanostructures along with recent research advances in their application to nanomedicine and electromagnetic devices.
[1] E. A. Périgo, G. Hemery, O. Sandre, D. Ortega, E. Garaio, F. Plazaola, and F. J. Teran, “Fundamentals and advances in magnetic hyperthermia,” Appl. Phys. Rev., vol. 2, 041302, 2015.
[2] Z. Nemati, J. Alonso, H. Khurshid, M. H. Phan, and H. Srikanth, “Core/shell iron/iron oxide nanoparticles: Are they promising for magnetic hyperthermia?” RSC Advances, vol. 6, 38697, 2016.
[3] H. Khurshid, M.-H. Phan, P. Mukherjee, and H. Srikanth, “Tuning exchange bias in Fe/-Fe2O3 core-shell nanoparticles: Impacts of interface and surface spins,” Appl. Phys. Lett., vol. 104, 072407, 2014.
[4] K. Stojak, S. Pal, H. Srikanth, C. Morales, J. Dewdney, T. Weller, and J. Wang, “Polymer nanocomposites exhibiting magnetically tunable microwave properties,” Nanotechnology, vol. 22, 135602, 2011.Bio: Hari Srikanth is a professor of physics at the University of South Florida (USF). He received the Ph.D. in experimental condensed matter physics from the Indian Institute of Science. After postdoctoral research for several years, he joined USF in 2000, where he established the Functional Materials Laboratory. His research spans a wide range of topics including magnetic nanoparticles, magnetic refrigerant materials, spin calorics, and complex oxides. He has published about 250 journal articles and given numerous invited talks. Dr. Srikanth is a Fellow of the American Physical Society and a Senior Member of IEEE. He is an associate editor of the Journal of Applied Physics. He has been closely involved with the Magnetism and Magnetic Materials and INTERMAG conferences for more than 15 years, serving as editor, publications chair, and as a member of program committees.
TIME Wednesday, September 18, 2019 at 4:00 PM - 5:00 PM
LOCATION L440, Technological Institute map it
CONTACT Lana Kiperman lana@ece.northwestern.edu EMAIL
CALENDAR Department of Electrical and Computer Engineering
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May8
EVENT DETAILSmore info
lessThe Center for Scientific Studies in the Arts is a collaboration between the Art Institute of Chicago and materials science-related departments at Northwestern University to pursue objects-based and objects-inspired scientific research. Materials research benefits ongoing work in conservation, archaeology, art history, and curatorial scholarship.
Learn how the Center uses materials research to care for art objects in sustainable, innovative ways with Maria Kokkori, Senior Scientist in the Center for Scientific Studies in the Arts. She will be in conversation with Corey Byrnes, Northwestern Associate Professor of Chinese Culture and co-founder/co-director of the Environmental Humanities Workshop in Kaplan Humanities Center.
This event is presented by the McCormick School of Engineering and Applied Science in conjunction with exhibition Actions for the Earth: Art, Care & Ecology.
TIME Wednesday, May 8, 2024 at 6:00 PM - 7:30 PM
LOCATION Block Museum of Art, Mary and Leigh map it
CONTACT Block Museum of Art block-museum@northwestern.edu EMAIL
CALENDAR Block Museum of Art
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Jun10
EVENT DETAILSmore info
lessMcCormick School of Engineering PhD Hooding and Master’s Degree Recognition Ceremony
TIME Monday, June 10, 2024 at 9:00 AM - 11:00 AM
LOCATION Welsh-Ryan Arena
CONTACT Amy Pokrass amy.pokrass@northwestern.edu EMAIL
CALENDAR McCormick School of Engineering and Applied Science
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Jun10
TIME Monday, June 10, 2024 at 2:00 PM - 4:00 PM
LOCATION Welsh-Ryan Arena
CONTACT Amy Pokrass amy.pokrass@northwestern.edu EMAIL
CALENDAR McCormick School of Engineering and Applied Science
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Aug14
EVENT DETAILSmore info
lessInnovation in Quantum Pedagogy, Application, and its Relation to Culture (IQ-PARC), funded by the Department of Defense — National Defense Education Program, is extending an invitation to underrepresented students nationwide (including military-connected students) to participate in a summer school focused on quantum technologies, to be held at Northwestern University. Join us for presentations by faculty and industry partners introducing quantum technologies, cutting-edge research areas, and related job opportunities particularly in the areas of national security.
This effort aims to foster an inclusive environment that encourages participation from all corners of the academic community. Successful applicants will receive up to $1,000 USD to cover travel and lodging expenses in Evanston, IL.
Priority application deadline: May 15, 2024.
Decisions will be sent by June 15, 2024.
TIME Wednesday, August 14, 2024
LOCATION Ford Motor Company Engineering Design Center map it
CONTACT Dongyang Li lidongyang@northwestern.edu EMAIL
CALENDAR McCormick School of Engineering and Applied Science
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Aug15
EVENT DETAILSmore info
lessInnovation in Quantum Pedagogy, Application, and its Relation to Culture (IQ-PARC), funded by the Department of Defense — National Defense Education Program, is extending an invitation to underrepresented students nationwide (including military-connected students) to participate in a summer school focused on quantum technologies, to be held at Northwestern University. Join us for presentations by faculty and industry partners introducing quantum technologies, cutting-edge research areas, and related job opportunities particularly in the areas of national security.
This effort aims to foster an inclusive environment that encourages participation from all corners of the academic community. Successful applicants will receive up to $1,000 USD to cover travel and lodging expenses in Evanston, IL.
Priority application deadline: May 15, 2024.
Decisions will be sent by June 15, 2024.
TIME Thursday, August 15, 2024
LOCATION Ford Motor Company Engineering Design Center map it
CONTACT Dongyang Li lidongyang@northwestern.edu EMAIL
CALENDAR McCormick School of Engineering and Applied Science