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This program is designed to help international students maximize their chances of finding employment in the U.S. We'll discuss how to puttogether an effective job search; provide an overview of immigration regulations pertaining to international students; and highlight some of the resources and services available in the University Career Center. A recording of this program will be eventually available on the University Career Center and International Center websites for those unable to attend. The program is co-sponsored by the University Career Center and the International Center.This event is open to all students.\u00a0This event's information is shown in Handshake as well as on the Happening @ Michigan calendar so that it will be seen by a larger number of U-M Students. You can only register to attend this event within Handshake. If you'd like to indicate that you'll be attending this event and see more details, please go to this webpage:\u00a0https:\/\/umich.joinhandshake.com\/events\/1919969\/share_preview\u00a0We want to ensure full and equitable participation in our events. If an accessibility accommodationwould promote your full participation in this event, please indicate your accommodation requirements via the link below, preferably at least 14 days prior to the program to ensure sufficient time for arranging your requested accommodation(s) or exploring suitable alternatives. If you have anyquestions regarding access to our programs, please don't hesitate to reach out to Cierra Sutherland at\u00a0cierrasu@umich.edu. 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The electronic processes that govern their semiconducting properties are strongly controlled by their low dielectric screening, so that excited states, excitons, are often spatially localised and generally show strong magnetic exchange interactions. The exchange interaction presents a challenge for the engineering of efficient OLEDs. Only 25% of electron-hole capture events in the OLED produce emissive spin singlet excitons, and 75% capture events form spin triplet excitons that are not emissive. A number of engineering approaches have been developed to overcome this challenge, including the use of organo-metallic emitters that can show efficient phosphorescence. \n\nWe have been working with spin-radical molecules that show high luminescence yield within the spin doublet manifold, and can be designed so that this \u2018bright\u2019 doublet exciton lies lower in energy than \u2018dark\u2019 higher spin states. These enable efficient OLED operation in the red and near-IR, and can be engineered to show high luminescence yield.\n\nWhen coupled together, either intermolecularly or intramolecularly these spin radical systems show properties of Mott-Hubbard spin systems, where the lowest energy electronic excitation is a charge transfer between antiferromagnetically arranged neighbouring radical sites at the cost of the Hubbard U. This process is radiatively allowed and enables optical write and read of spin. We are exploring how these excited states can be used to assist charge photogeneration in the absence of a donor-acceptor heterojunction, and to engineer spin-optical interfaces that allow easy magnetic field control of luminescence.\n\nAbout the speaker\n\nRichard Friend is at the Department of Physics at the University of Cambridge. His research encompasses the physics, materials science and engineering of semiconductor devices made with carbon-based semiconductors, particularly polymers. His research advances have shown that carbon-based semiconductors have significant applications in LEDs, solar cells, lasers, and electronics. He explores novel schemes that seek to improve the performance of LEDs and solar cells, using carbon-based semiconductors. His current projects include materials with unpaired electron spins that show novel couplings of spin with luminescence.\n\nProfessor Friend is a Fellow of the Royal Society and of the Royal Academy of Engineering, and a Foreign Member of the US National Academy of Engineering. He has received many international awards for his research, including Laureate of the Millennium Prize for Technology (2010) the Harvey Prize (2011) of the Israel Institute of Technology, the von Hippel Award of the Materials Research Society (2015) and the Isaac Newton Prize of the Institute of Physics (2024). 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This conjecture, dubbed the \u201cg-conjecture\u201d, was resolved over the following ten years by work of Stanley and Billera\u2013Lee. The extension of this conjecture to simplicial spheres remained open much longer. We will discuss the ingenious characteristic 2 proof given by Papadakis\u2013Petrotou in 2020 and provide a unifying framework for it in commutative algebra. 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