جست‌وجوی استاد و پژوهشگر

Stephen Bradforthمشاهده پروفایل

استاد

• Ultrafast Laser Spectroscopy
• Solar Energy Conversion
• DNA Photodamage Mechanisms
• +۷ مورد دیگر

Stephen Bradforth is a Professor of Chemistry at the University of Southern California and Senior Advisor to the Dean for Research Strategy and Development in the Dornsife College of Letters, Arts and Sciences . He earned his PhD in Physical Chemistry from the University of California, Berkeley (1992) and conducted postdoctoral research at the University of Chicago . B.A., Natural Sciences, Cambridge University (1987) Ph.D., Physical Chemistry, UC Berkeley (1992) Postdoctoral Associate, University of Chicago (1993–1996) His research focuses on ultrafast laser spectroscopy to study chemical reactions in complex environments like aqueous systems and molecular materials . Key projects include: Solar Energy Conversion : Investigating photosensitizers based on earth-abundant elements (Cu, Zn, Zr) and organic photovoltaics with BODIPY cores. DNA Photodamage : Mechanisms of cyclobutane pyrimidine dimer (CPD) formation under UV exposure, emphasizing base-stacking effects. Electronic Structure in Ethereal Solvents : Studying solvated electrons in liquid ammonia and their role in carbanion stabilization. His 15 most recent articles (2004–2024) highlight advancements in photoelectron spectroscopy , singlet fission for solar cells, and DNA damage pathways . Collaborations span medicine, physics, and engineering . Scientific Awards include the ACS Physical Chemistry Division Senior Experimental Award (2023) , STAR Awardee (2019) , Cottrell Scholar , and Fellow of APS and AAAS . He has received both Junior (2001) and Senior Raubenheimer Awards (2022) at USC. Advising has been a cornerstone, with 23 PhD students graduated and 4 current candidates. His 15 most recent publications (2012–2024) emphasize ultrafast dynamics , charge transfer mechanisms , and environmental photochemistry . Labs & Teams : The Bradforth Group operates advanced time-resolved photoelectron spectrometers , liquid microjet systems , and high-repetition-rate laser facilities . Current projects include metallic water solutions (Nature 2021), DNA photophysics (FASEB J 2011), and carbanion electronic structure in ammonia.

Claus M. Schneiderمشاهده پروفایل

استاد

• Condensed Matter Physics
• Electronic Structure of Materials
• Spintronics
• +۵ مورد دیگر

Claus M. Schneider is a Professor at the Faculty of Physics, University of Duisburg-Essen, and director of the Peter Grünberg Institute (PGI-6) at Forschungszentrum Jülich. His research focuses on the electronic structure of quantum materials, particularly correlated electron systems, using advanced photoelectron spectroscopy techniques. Current affiliations: University of Duisburg-Essen, Forschungszentrum Jülich Key experimental facilities: Synchrotron radiation sources DELTA (Dortmund), BESSY (Berlin), ELETTRA (Trieste) His work investigates the fundamental connections between electronic structure and physical properties like superconductivity, magnetism, and giant magnetoresistance. Techniques include high-resolution photoelectron spectroscopy with laboratory sources and synchrotron-based nanospectroscopy, enabling energy, spatial, and temporal resolution at atomic scales. Recent research highlights include the discovery of tunable orbital angular momentum in crystals and the production of the first 2D semimetal with spin-selective conductivity. His group operates specialized equipment such as a microwave-excited rare gas lamp system for photoemission and a hemispherical analyzer with spin-polarization analysis capabilities. The group's experimental infrastructure spans laboratory-based ARPES systems and synchrotron beamlines optimized for angle- and spin-resolved studies of magnetic multilayers, interfaces, and topological materials. All experiments are conducted under ultra-high vacuum conditions, with integrated surface preparation and characterization tools.

• Nuclear Forensics
• Materials Science
• X-ray Spectroscopy
• +۳ مورد دیگر

Aaron Wood is a Researcher in the Department of Mechanical, Aerospace & Civil Engineering, specializing in nuclear forensics, materials science, and advanced spectroscopic techniques. His work focuses on analyzing uranium-based materials using X-ray spectroscopy methods such as Photoelectron Spectroscopy (XPS) and HAXPES (Hard X-ray Angle-Resolved Photoelectron Spectroscopy). He holds a Doctor of Philosophy and has contributed to peer-reviewed research starting from 2024. Education: Doctor of Philosophy Research Interests: Dr. Wood’s research delves into the characterization of nuclear materials, particularly uranium dioxide (UO₂), leveraging laboratory-based X-ray sources. His work emphasizes developing novel techniques for nuclear forensics investigations and improving the accuracy of material property analysis through advanced spectroscopic methodologies. Key areas include forensic analysis of nuclear materials, material characterization via HAXPES, and the application of Ga Kα X-ray sources in generating reference spectra for uranium compounds. Recent Research Trends: His publications (2024–2025) highlight a focus on refining X-ray spectroscopy techniques for uranium-based materials, with applications in both fundamental material science and applied nuclear forensics. Collaborations with experts like Dunn, Spencer, and Harrison underscore interdisciplinary efforts in advancing analytical methods for critical materials. Grants & Advising: No specific grants or student advisement details are explicitly mentioned in the provided texts. Labs/Teams: Affiliated with research teams specializing in nuclear materials analysis and surface science, though specific lab names are not disclosed.

Bettina Frankمشاهده پروفایل

پژوهشگر

• Plasmonics
• Nanophotonics
• Topological Materials
• +۳ مورد دیگر

Bettina Frank is a leading researcher in plasmonics and nanophotonics at the University of Stuttgart's 4th Physics Institute. Her work focuses on large-area and single-crystalline plasmonic systems, including topological plasmonic phenomena such as skyrmion bags and spin meron pairs. She specializes in advanced fabrication techniques like hole-mask colloidal nanolithography and investigates ultrafast dynamics of plasmonic fields using photoemission microscopy. Her research interests span topological photonics, metamaterials, and nanoscale light-matter interactions. Key contributions include the development of plasmonic moiré superlattices and the study of orbital angular momentum in nanoplasmonic systems. Frank's group explores applications ranging from high-precision plasmonic devices to quantum confined exciton-polaritons in 2D materials. Publications highlight breakthroughs in imaging plasmonic skyrmion dynamics with subwavelength resolution and understanding ultrafast plasmonic phenomena. Her work bridges fundamental physics with applied nanotechnology, demonstrating novel plasmonic systems for optoelectronic and sensing applications. Frank collaborates internationally, contributing to advancements in plasmonic vortices, quantum confined systems, and large-area nanofabrication methods. Her research has implications for next-generation photonics, quantum technologies, and nanoscale optoelectronics.

Prasenjit Guptasarmaمشاهده پروفایل

استاد

• Condensed Matter Physics
• Materials Science
• Superconductivity
• +۷ مورد دیگر

Prasenjit Guptasarma is a Professor in the Department of Physics and serves as Associate Dean for Academic Affairs in the College of Engineering & Applied Science (CEAS) at the University of Wisconsin-Milwaukee (UWM). He holds an adjunct appointment in the Department of Electrical Engineering and Computer Sciences. His academic leadership roles include former Chair of the Physics Department (2015–2019), Special Assistant to the UWM Chancellor (2021–2022), and current full-time faculty member since 2000. Dr. Guptasarma earned his PhD from the Tata Institute of Fundamental Research, followed by postdoctoral work at Argonne National Laboratory and visiting positions at institutions in Italy. His research focuses on condensed matter physics, materials science, and energy-related materials, with funding from NSF and DoD grants. His group explores superconductors, magnetic materials, topological insulators, and advanced battery cathodes, employing techniques like X-ray spectroscopy, Raman scattering, and nanoscale characterization. His teaching contributions include advocating for learner-centered pedagogy and serving as a Wisconsin Teaching Scholar. Awards include the NSF Career Award (2005), UWM Research Excellence Award (2008), and Research Fellow Award (2012). He has published over 130 articles, serves on the editorial board of Advances in Condensed Matter Physics , and collaborates internationally. His research group trains graduate students, postdocs, and undergraduates in interdisciplinary materials research.

Carsten Westphalمشاهده پروفایل

استاد

• Condensed Matter Physics
• Surface Science
• Thin Film Systems
• +۷ مورد دیگر

Prof. Dr. Carsten Westphal is a faculty member in the Department of Physics at the Technical University of Dortmund, where he conducts research in condensed matter physics with a focus on surface and thin film systems. He is based in the physics building on Otto-Hahn-Str. 4a and leads an experimental research group utilizing advanced electron scattering and spectroscopic techniques. His research interests lie at the intersection of structural and electronic properties of low-dimensional materials and interfaces. Using atomic-scale experimental methods, his group investigates thin films on metal and semiconductor surfaces. Their work is highly sensitive to minute variations such as layer thickness, controlled down to sub-atomic precision. They employ a range of techniques including high-resolution XPS, XPD, UPS, and ARPES using soft X-rays and UV radiation from the university’s DELTA 1.5 GeV electron storage ring. Complementary surface topography studies are conducted using scanning tunneling microscopy, supported by LEED and PEEM. The experimental setup is currently being enhanced with helium cooling to achieve temperatures as low as 10 K, enabling low-temperature investigations. The research group fabricates layered and nanostructured systems through controlled preparation methods. Their experimental infrastructure at the DELTA synchrotron facility highlights a strong emphasis on in-house instrumentation and high-precision measurement science. Email: carsten.westphal@tu-dortmund.de Office: Room CP-03-196, Otto-Hahn-Str. 4a, 44227 Dortmund Phone: +49 (0)231 755-3511 Secretariat: Manuela Linke (manuela.linke@tu-dortmund.de)

• Ultrafast Molecular Dynamics
• Laser-Induced Electron Diffraction
• X-ray Free Electron Lasers
• +۳ مورد دیگر

S. Raabe is a researcher at the European XFEL facility specializing in ultrafast molecular dynamics and imaging techniques. Active from 2019 to 2024, Raabe's work focuses on utilizing X-ray free electron lasers for capturing molecular movies and achieving atomic-resolution imaging of molecules. Raabe's research interests center on ultrafast molecular dynamics , particularly using laser-induced techniques to observe rotational dynamics of molecules like carbonyl sulfide (OCS). This work combines advanced laser physics with cutting-edge imaging methodologies to visualize molecular behavior on femtosecond timescales. The publication record shows consistent contributions to high-impact journals including Nature Communications and The Journal of Chemical Physics, with research trends emphasizing molecular imaging techniques, laser spectroscopy, and the development of XFEL instrumentation for biological and chemical applications. Raabe has collaborated extensively with researchers from DESY and other European institutions on projects related to the European XFEL facility, contributing to both fundamental molecular science and the development of specialized instrumentation for serial femtosecond crystallography.

Mirko Cinchettiمشاهده پروفایل

استاد

• Condensed Matter Physics
• Ultrafast Spectroscopy
• Spintronics
• +۷ مورد دیگر

Prof. Dr. Mirko Cinchetti is a faculty member at the Department of Physics, Faculty of Physics, Technical University of Dortmund. He leads a research group focused on the ultrafast optical manipulation of spin and charge excitations in two-dimensional electronic systems using femtosecond spectroscopic techniques. His research interests include condensed matter physics, spintronics, and quantum materials. The group employs advanced experimental methods such as magneto-optical spectroscopy and spin-resolved ARPES (angle-resolved photoelectron spectroscopy), utilizing pulsed femtosecond radiation across a wide photon energy range from 0.1 eV to 70 eV, spanning from infrared to extreme ultraviolet. The primary material systems under investigation are spin-textured and magnetically ordered 2D systems, including 2D semiconductors, antiferromagnets, topological insulators, quantum wells, and hybrid molecular interfaces with non-trivial spin properties (molecular spin interfaces). University: Technical University of Dortmund School: Faculty of Physics Department: Department of Physics Office: Room P1-02-112, Otto-Hahn-Str. 4, 44227 Dortmund Email: mirko.cinchetti@tu-dortmund.de Phone: +49 (0)231 755 5438

Kenneth T. Parkمشاهده پروفایل

دانشیار

• Computational Solid State Physics
• Experimental Solid State Physics
• Materials Modeling
• +۴ مورد دیگر

Kenneth T. Park is an Associate Professor at Baylor University and Co-Graduate Program Director in the Department of Physics and Astronomy. He holds a Ph.D. (1993), M.A. (1990), and B.A. (1988) in Physics from the University of Rochester and University of California, Berkeley respectively. Education: Ph.D. in Physics (University of Rochester, 1993) Academic Affiliation: Baylor University (since 1997), Oak Ridge National Laboratory collaborator Dr. Park's research spans computational and experimental solid-state physics , focusing on surface electronic/atomic structures and their chemical reactivity. His work on TiO 2 surfaces includes defect characterization, nanoparticle formation, and phase stability analysis using Scanning Tunneling Microscopy (STM) and Hubbard-corrected DFT methods. Recent studies explore high-pressure TiO 2 polymorphs, electron donor-acceptor complexes on MoS 2 , and metal-organic interfaces. His publication record demonstrates expertise in surface defects , density functional theory , and nanostructure modeling . Key collaborations include Oak Ridge National Laboratory and Louisiana State University, with access to advanced facilities like the Scanning Tunneling Microscopy and Angle-Resolved Ultraviolet Photoelectron Spectroscopy (ARUPS) beamline. Scientific achievements include: ACS-PRF Summer Research Fellowship Supplementary Grant PRF# 36245-G5 ORNL Center for Nanophase Materials Sciences access Dr. Park supervises graduate researchers and utilizes facilities at Brookhaven National Laboratory (NSLS), with a teaching portfolio covering Solid State Physics , Statistical Mechanics , and Density Functional Theory . His research group continues to investigate fundamental surface phenomena with applications in catalysis and materials science.

Cristian Alexandru Tacheمشاهده پروفایل

پژوهشگر

• Ultra-high Vacuum Technology
• Surface Science
• Molecular Beam Epitaxy
• +۵ مورد دیگر

Cristian Alexandru Tache is a Technological Development Engineer III at the National Institute of Materials Physics in Măgurele, Romania, working within the Surfaces and Interfaces Laboratory since 2020. He holds a Ph.D. in Nanotechnology from Universita degli Studi di Trieste (2017), an M.Sc. in Nano and Electromagnetic Microsystems (2013), and a B.Sc. in Electrical Engineering (2011), all from Politehnica University of Bucharest. His research focuses on Ultra-high Vacuum Technology , Surface Science , and Nanomaterials , with specific expertise in molecular beam epitaxy (MBE), photoelectron spectroscopy (XPS), and scanning tunneling microscopy (STM). His work primarily investigates ferroelectric materials, graphene synthesis, and surface interactions. Tache's publication record shows a strong trajectory in surface science and materials research, with recent work concentrating on carbon dioxide adsorption on ferroelectric materials (2024), spin asymmetry in oxide materials (2024), and graphene growth mechanisms. His research demonstrates consistent collaboration with the same core group of Romanian scientists, particularly within the National Institute of Materials Physics. With an h-index of 6 and 96 citations without self-citations across 10 published papers (according to his CV, though 11 are listed), Tache has established himself as an active contributor to surface science and nanotechnology research in Romania. He has participated in experimental developments of complex surface science facilities, device design for ultra-high vacuum environments, and various spectroscopy techniques. His work bridges fundamental surface science with potential applications in decarbonization technologies and nanoelectronics.

HASAN PİŞKİNمشاهده پروفایل

استادیار

• Sensors
• Microelectronics
• Nanotechnology
• +۵ مورد دیگر

Hasan Pişkin is an Assistant Professor at the Rafet Kayış Faculty of Engineering , Alanya Alaaddin Keykubat University , specializing in Sensors, Microelectronics, Nanotechnology, and Quantum Technologies . His work spans microfluidic systems, 2D/3D part design, and computational modeling. Education: PhD in Physics (Gebze Technical University, 2020), MSc in Physics (Sakarya University, 2015), BSc in Physics (Karadeniz Technical University, 2005) Research Interests focus on magnetic sensor development, spintronic devices, and functional phthalocyanine-based composites for biomedical and optoelectronic applications. Recent projects include TUBITAK 1001 grants on Spin Torque Driven Skyrmionic NanoOscillator and Exchange Bias-Based Planar Hall Effect Sensors . Publications (2015-2025) highlight advancements in graphene oxide/phthalocyanine composites, magnetic anisotropy, and antiferromagnetic spintronic systems. His work bridges experimental fabrication with computational modeling for applications in sensor technology and drug development. Projects: Characterization of Finite Size Effects in Ultra-Thin Antiferromagnetic Films (TUBITAK 1001, 2019-2023) Fabrication and Characterization of Exchange Bias-Based Planar Hall Effect Sensors (TUBITAK 1001, 2017-2020) Spin Torque Driven Skyrmionic NanoOscillator (TUBITAK 1001, 2019-2024) Conference Participation includes presentations at Trends in Magnetism (TMAG 2022) and International Mediterranean Scientific Research Congress (2024) .

Miguel Ángel Valbuena Martínezمشاهده پروفایل

پژوهشگر

• Condensed Matter Physics
• Spintronics
• 2D Materials
• +۳ مورد دیگر

Dr. Miguel Ángel Valbuena Martínez is a researcher at the Madrid Institute for Advanced Studies (IMDEA Nanoscience) , specializing in the electronic structure and magnetic properties of low-dimensional materials. His work focuses on 2D materials and heterostructures using synchrotron-based techniques like Spin-Resolved ARPES and XMCD. He leads the Spin-ARPES laboratory and has contributed to understanding spin-orbit interactions, charge density waves, and magnetic anisotropy in systems like graphene, topological insulators, and lanthanide-based networks. Education : PhD in Condensed Matter Physics from Autonomous University of Madrid. Research Highlights : Investigating Rashba-like spin textures in graphene Engineering magnetic anisotropy in lanthanide-metal organic networks Probing electronic structure in NbSe3 and KMo6O17 purple bronze Key Techniques : Angle-Resolved Photoemission Spectroscopy (ARPES), X-ray Magnetic Circular Dichroism (XMCD), Scanning Tunneling Microscopy (STM).

Jared Bruceمشاهده پروفایل

استادیار

• Surface Chemistry
• Photochemistry
• Electrochemistry
• +۳ مورد دیگر

Jared Bruce serves as an Assistant Professor in the Department of Chemistry and Biochemistry within the College of Sciences at the University of Nevada, Las Vegas (UNLV). His research integrates surface science, photochemistry, and electrochemistry to develop fundamental understanding of light-driven chemical processes at complex interfaces. His research focuses on Surface Chemistry, Photochemistry, Electrochemistry, and Atmospheric Chemistry , utilizing advanced techniques including ultrahigh vacuum (UHV) surface science, liquid jet X-ray photoelectron spectroscopy (LJ-XPS), and operando characterization. Key research thrusts include: development of robust model systems for hybrid photocatalytic interfaces, investigation of solvation dynamics at liquid-vapor interfaces, and elucidation of structure-property relationships in photoelectrocatalytic materials for energy conversion. The group bridges the 'pressure gap' between UHV model systems and real-world applications through quasi in situ and operando methodologies. Analysis of his 15 most recent publications reveals dominant themes in photoelectrocatalysis for CO2 reduction , advanced XPS characterization of liquid/solid interfaces , and surface functionalization strategies for semiconductor materials. His work consistently integrates fundamental surface science with practical applications in energy conversion and environmental chemistry. Dr. Bruce actively mentors undergraduate and graduate researchers, currently supervising eight students including Mekha Mohandas (graduate student), Amal Berhan, Lauren Felknor, Rebecca Woods, Stephen Faussett, Brandon Inciso, Miguel Ong, and Helen Tilahun. His group utilizes specialized instrumentation including liquid jet photoelectron spectroscopy systems, UHV surface analysis chambers, and electrochemical characterization setups. The research program receives support through departmental resources and external collaborations.

Ralph Ernstorferمشاهده پروفایل

استاد

• Ultrafast Spectroscopy
• Condensed Matter Physics
• 2D Materials
• +۷ مورد دیگر

Prof. Dr. Ralph Ernstorfer is a full professor at Technische Universität Berlin's Institute for Optics and Atomic Physics, where he leads the Ultrafast Nanoscience group. He simultaneously holds a Max Planck Fellowship at the Fritz Haber Institute's Department of Physical Chemistry, heading the Structural & Electronic Surface Dynamics research group. His dual affiliation enables cutting-edge research in ultrafast phenomena. Research Focus: Ernstorfer's group investigates out-of-equilibrium electronic and atomic structures in solids and heterostructures using advanced ultrafast techniques. Core methodologies include: Time- and angle-resolved photoelectron spectroscopy (trARPES) Femtosecond electron diffraction and microscopy Ultrafast optical spectroscopy Current research themes encompass exciton dynamics in 2D materials, topological properties of quantum materials, light-induced phase transitions, and machine learning applications in spectroscopy. Awards & Recognition: Max Planck Fellowship (2022-2027) for collaborative research on ultrafast electron dynamics in nanoscale materials Academic Leadership: Ernstorfer advises doctoral candidates including Tania Mukherjee and leads multiple funded projects: ERC project 'FLATLAND' studying electron-lattice-spin correlations in 2D semiconductors DFG projects within CRC 951 HIOS and SPP 2244 2D Materials consortium Coordination of TRR227 collaborative research network on ultrafast spin systems He oversees laboratories at both TU Berlin and FHI equipped with MHz XUV lasers, femtosecond electron diffractometers, and multidimensional ARPES systems.

• Materials Science
• Analytical Chemistry
• Surface Science
• +۳ مورد دیگر

Alberto Torrisi is a Full Professor of Analytical Chemistry at the Department of Chemical Sciences of the University of Catania . His career spans over four decades, including roles as Assistant Professor of Physical Chemistry (1984-1992), Associate Professor of Analytical Chemistry (1992-2006), and Full Professor since 2006. He has held visiting positions at Philips Research Laboratories and contributed to institutional committees for academic evaluations. Education: PhD in Chemistry from University of Catania (1980, magna cum laude ) His research focuses on surface and interface phenomena in materials like polymers, metals, and composites, with applications in microelectronics, cultural heritage conservation, and biomedical fields. He pioneered advancements in Secondary Ion Mass Spectrometry (SIMS) , X-ray Photoelectron Spectroscopy (XPS) , and Angle-Resolved XPS for depth profiling and artifact mitigation. His work also includes synthesizing ion-selective macrocyclics and developing big data statistical methods for ToF-SIMS. Recent publications highlight innovations in cluster ion beam depth profiling and multivariate data analysis for improved mass resolution. His scientific output comprises 63 international journal publications and 69 conference presentations, with interdisciplinary applications in cultural heritage and biomedicine. Scientific Awards NATO Scholarship (1988-1989) As an educator, he teaches Analytical Chemistry I and laboratory courses, with active involvement in PhD admissions committees. His institutional roles include membership in evaluation commissions for academic grants and professorships.