Magnon diffusion Professors and Supervisors

Ezekiel Johnston-Halperinمشاهده پروفایل

استاد

Ohio State UniversityUnited States

Ezekiel Johnston-Halperin is a Professor of Physics at The Ohio State University, affiliated with the Department of Physics. His research focuses on condensed matter physics, spin dynamics, and quantum information science, with particular emphasis on molecular-based magnetic materials like vanadium tetracyanoethylene (V[TCNE]x). He holds a B.S. from Case Western Reserve University (1996), an M.A. (2000), and a Ph.D. (2003) in Physics from the University of California, Santa Barbara. His work explores low-loss magnonic materials, quantum sensing, and spintronics applications. Key research interests include ferromagnetic resonance tuning via electric fields, photon-magnon coupling, and the development of organic ferrimagnets for microwave and quantum technologies. His lab (1129/1135 PRB) investigates molecular magnonics, nanomaterials, and DNA-origami-based nanoparticle organization. Recent projects include the NSF-funded 'Distributed-Entanglement Quantum Sensing' initiative and studies on magnon diffusion in V[TCNE]x. He has supervised students like Zhu and contributed to advancements in thin-film encapsulation techniques for air-sensitive materials. Awards and grants are not explicitly listed in the provided text, but his work has been supported by initiatives like EFRI NewLAW and QII-TAQS programs.

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Christian Backمشاهده پروفایل

استاد

Technical University of MunichGermany

Prof. Christian Back is a Full Professor of experimental physics at the Technical University of Munich (TUM), specializing in functional spin systems within the TUM School of Natural Sciences. He holds a PhD from ETH Zurich and has held academic positions at the University of Regensburg and TUM. His research focuses on condensed matter physics, particularly high-quality fabrication of magnetic layered systems and dynamic magnetic property investigations using advanced microscopy and magneto-transport methods. Education: Doctorate: ETH Zurich (1992-1995) Postdoctoral roles: Stanford Linear Accelerator Center (1995-1996), IBM San Jose (1996-1997) Research Assistant: ETH Zurich (1998-2001) Research Interests: Nanostructured magnetic elements, spin dynamics, magnonics, skyrmion-based computing, and interfacial phenomena in magnetic materials. He has pioneered techniques such as Fourier transform imaging of spin vortices and phase-resolved spin wave analysis. Publications Trends: Recent work emphasizes spin wave engineering, strain-mediated computing, and chiral magnetism. Key areas include spin Hall effects, magnonic waveguides, and skyrmion lattice manipulation. Awards: IBM Technical Achievement Award (1997) Swiss National Science Foundation Research Grant (1995) Leadership Roles: Spokesperson for DFG Priority Program 1538 (2011-2017), board member of collaborative research centers 689 and 1277. Labs/Teams: Leads experimental physics research groups at TUM focusing on spin systems and magnonics applications.

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Andre Schleifeمشاهده پروفایل

دانشیار

University of Illinois Urbana-ChampaignUnited States

Andre Schleife is an Associate Professor in the Department of Materials Science and Engineering at the University of Illinois. His research focuses on advanced computational methods to study electronic and energy materials under extreme conditions, including quantum mechanical excitations and femtosecond relaxation processes. He leads the Schleife Research Group, advancing first-principles simulations using density functional theory, many-body perturbation theory, and time-dependent density functional theory. His work bridges theory and experiment, collaborating globally with experimentalists to validate findings. Education Director of the Illinois Materials Research Science and Engineering Center (MRSEC) since 2023, Schleife teaches courses such as MSE 304 (Electronic Properties of Materials) and MSE 598 ML (Machine Learning for Materials Science). He has advised numerous PhD students including Dr. Ethan Shapera, Dr. Kisung Kang, Yi-Ting Lee, and Cindy Wong. His group's innovations include the Interactive Holographic Display System (IHDS) for materials education and quantum computing simulations of materials defects. Key research areas include optical properties of materials, electron-ion dynamics, and magnon excitations in quantum materials. Recent awards include the 2023 Dean's Award for Excellence in Research and 2024 College Award for DEI. Collaborations emphasize multi-scale modeling and database-driven materials design for applications in electronics and energy storage. Notable Projects: IHDS holographic visualization tool, quantum computing for defect simulations Grants: Supported by NSF, DOE, and NCSA SPIN program Lab Infrastructure: Access to high-performance computing resources and advanced spectroscopy tools Labs/Teams: Schleife Group focuses on computational materials science with active collaborations in spintronics, nanomaterials, and quantum materials. Postdocs Zhihao Jiang and Vijaya Amerikhi contribute to magnon properties research and quantum simulations.

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José Ángel Castellanos-Reyesمشاهده پروفایل

پژوهشگر

Uppsala UniversitySweden

José Ángel Castellanos-Reyes is a Researcher in the Department of Physics and Astronomy at Uppsala University, specializing in the Materials Theory division. His work focuses on theoretical modeling and simulations of electron-matter interactions, particularly in magnetic materials and nanostructures using advanced electron microscopy techniques. His research spans Electron Microscopy, Quantum Mechanics, Electrodynamics, Optics, and Solid-State Physics, with deep expertise in nanoplasmonics and nanophotonics developed during graduate studies. Current work centers on scanning transmission electron microscopy (STEM) and electron-energy-loss/gain spectroscopies (EELS/EEGS), investigating phonon and magnon excitations in magnetic systems. Key areas include angular momentum transfer to nanoparticles, temperature effects on magnon scattering, and multiple scattering phenomena in spectroscopic measurements. Recent publications (2023-2025) demonstrate a cohesive research trajectory in theoretical electron microscopy, emphasizing computational models for magnon and phonon spectroscopy. His work bridges condensed matter theory with experimental microscopy, developing dynamical theories for angle-resolved EELS/EEGS that account for multiple scattering effects. Notable contributions include frameworks for detecting magnons at high resolution and simulating electron interactions with non-spherical nanoparticles, advancing quantitative analysis of magnetic and vibrational excitations at nanoscale. No scientific awards were mentioned in the available documentation. Information regarding student advising and research grant funding was not provided in the source materials. While affiliated with Uppsala University's Materials Theory group, specific laboratory facilities or dedicated research teams were not detailed in the provided content.

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Mark Lumsdenمشاهده پروفایل

پژوهشگر

Oak Ridge National LaboratoryUnited States

Mark Lumsden is a prominent Researcher at Oak Ridge National Laboratory specializing in quantum magnetism and neutron scattering techniques. His work focuses on unraveling exotic quantum phenomena in magnetic materials through advanced neutron scattering experiments at the High Flux Isotope Reactor (HFIR) and Spallation Neutron Source (SNS). His research interests span: Magnetism in iron-based superconductors Quantum spin liquids and fractional excitations Topological magnons and Dirac points Frustrated magnetic systems Field-induced quantum phase transitions Spin dynamics in low-dimensional materials Analysis of his 15 most recent publications (2020-2024) reveals a consistent focus on quantum magnetic phenomena using neutron scattering. His work shows increasing emphasis on topological aspects of magnon spectra, field-tuned quantum effects in honeycomb lattices, and instrumentation development for next-generation neutron spectrometers. Key material systems include YbCl 3 , CrSiTe 3 , and frustrated quantum magnets. Scientific recognition: Elected Fellow of the Neutron Scattering Society of America (2022) for outstanding contributions to understanding magnetism in quantum materials Lumsden maintains an active research program with continuous funding evidenced by his publication record. He collaborates extensively through ORNL's user facilities, providing critical neutron scattering expertise to the global condensed matter physics community. His instrumentation work on spectrometers like CHESS enables new scientific capabilities for studying quantum materials. While not leading a named laboratory, Lumsden operates at the forefront of neutron scattering research within ORNL's Neutron Sciences Directorate, contributing to both fundamental discoveries and advanced instrumentation development for probing quantum magnetic phenomena.

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Joe Paddisonمشاهده پروفایل

پژوهشگر

Oak Ridge National LaboratoryUnited States

Joe Paddison is a Neutron Scattering Scientist and Computational Instrument Scientist at Oak Ridge National Laboratory, where he has been working since 2024. Previously, he served as a Distinguished Staff Fellow & R&D Associate at Oak Ridge National Laboratory (2019-2024), Junior Research Fellow at Churchill College, University of Cambridge, UK (2016-2019), and Postdoctoral Fellow at Georgia Institute of Technology, USA (2015-2016) under Prof. Martin Mourigal. His educational background includes a DPhil (PhD) in Inorganic Chemistry from the University of Oxford, UK (2011-2015), advised by Prof. Andrew Goodwin and Dr. Ross Stewart, and an MChem in Chemistry from the University of Oxford, UK (2007-2011). Dr. Paddison's research focuses on understanding quantum materials where disorder of atoms and magnetic moments generates unconventional states of matter. He employs scattering experiments and atomistic modeling techniques to study material structures at the nanoscale. His work centers in the Neutron Diffraction section as part of the Basic Energy Sciences project 'Understanding Quantum Matter Beyond the Unit Cell.' He is the author of software packages Spinteract, Spinvert, and Scatty for modeling scattering data from spin liquids and disordered materials. His publication record shows a consistent trajectory in quantum magnetism, with recent work focusing on spin liquids, skyrmion materials, and Kagome metals appearing in high-impact journals including Nature, Science, Physical Review Letters, and npj Quantum Materials. His research demonstrates increasing sophistication in both experimental techniques and computational modeling approaches. BTM Willis Prize (2021) European Physical Society Early Career Prize (2017) Dr. Paddison actively mentors early-career researchers at Oak Ridge National Laboratory and collaborates extensively with academic institutions worldwide. His current work leverages major user facilities including the High Flux Isotope Reactor and the Spallation Neutron Source, positioning him at the forefront of neutron scattering research for quantum materials. He leads the development of computational approaches to analyze complex magnetic structures, with his software tools becoming increasingly adopted by the neutron scattering community. His current research directions include advancing methods for studying topological spin textures and developing new approaches for analyzing disordered quantum materials.

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