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DTSTART:20250101T000000
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DTSTART;TZID=Asia/Kolkata:20261105T160000
DTEND;TZID=Asia/Kolkata:20261105T170000
DTSTAMP:20261016T054454Z
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LAST-MODIFIED:20261016T054454Z
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SUMMARY:[Seminar] : In-Plane Anomalous Hall Effect and Multidimensional Unidirectional Magnetoresistance in Low-Symmetry van der Waals Heterostructures
DESCRIPTION:Speaker: Dr. Ravi Kumar Bandapelli\, Postdoctoral Research Associate\, Department of Physics\, \n         Carnegie Mellon University\, Pittsburgh\, PA\, USA.\n\nTitle: "In-Plane Anomalous Hall Effect and Multidimensional Unidirectional Magnetoresistance in \n        Low-Symmetry van der Waals Heterostructures".\n\nDate: Thursday\, 5th November 2026 - Time: 4 PM\n\nVenue: CeNSE Seminar Hall\n\nAbstract:\n\nLow-symmetry van der Waals heterostructures provide new routes to generate and electrically \ndetect unconventional spin and magnetic responses. In this talk\, I will present our observation \nof an in-plane anomalous Hall effect in TaIrTe4/Cr2Ge2Te6 heterostructures\, where reduced crystal \nsymmetry enables a Hall response sensitive to in-plane magnetization. I will then discuss \nmultidimensional unidirectional magnetoresistance (UMR) arising from tilted spin polarization \ngenerated by TaIrTe4\, enabling electrical detection of different magnetization orientations. \nElectrostatic gating strongly tunes these responses\, including reversal of the UMR sign. \nThese results establish symmetry engineering as a versatile approach for multidimensional \nmagnetic-state readout in low-dimensional spintronic devices and architectures.\n\nBiography:\n\nRavi Kumar Bandapelli is a Postdoctoral Research Associate in the Department of Physics at \nCarnegie Mellon University. His research focuses on experimental condensed-matter physics\, \nspintronics\, and low-dimensional van der Waals quantum materials\, with emphasis on spin–orbit \nphenomena\, magnetotransport\, nanofabrication\, and electrical detection of magnetic states. \nHe previously held Dr. D. S. Kothari and Institute of Eminence postdoctoral fellowships at \nthe Indian Institute of Science\, Bengaluru. He received his Ph.D. in Physics from the University \nof Hyderabad. His current research explores symmetry-driven spin-charge conversion and unconventional \nmagnetotransport phenomena in low-symmetry van der Waals heterostructures for future spintronic applications.\n\nHost Faculty:  Prof. Manoj Varma
URL:https://www.cense.iisc.ac.in/event/seminar-in-plane-anomalous-hall-effect-and-multidimensional-unidirectional-magnetoresistance-in-low-symmetry-van-der-waals-heterostructures/
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