جست‌وجوی استاد و پژوهشگر

• Laser Physics
• Nanophotonics
• Condensed Matter Physics
• +۳ مورد دیگر

Sergey Makarov is a Professor at ITMO University's Faculty of Physics and Engineering, Dean of the Faculty of Photonics, and Head of the Laboratory of Hybrid Nanophotonics and Optoelectronics. His research focuses on advanced laser physics and nanophotonics, with applications in surface engineering and dielectric metamaterials. Education: DSc in Physics, PhD in Laser Physics (2014), BSc in Condensed Matter Physics (2011) from National Research Nuclear University MEPhI. Dr. Makarov's work spans femtosecond laser ablation , dielectric nanophotonics , and ultrafast electron dynamics , with a particular emphasis on creating functional nanostructures for optoelectronic devices. His publications from 2013–2015 highlight interdisciplinary research in Optics , Nanotechnology , and Materials Science , with recurring subfields such as plasmonic resonance, surface structuring, and laser-induced phase transitions. He leads a research lab at ITMO University, mentoring students and collaborators in hybrid nanophotonics. While no specific awards are listed, his extensive publication record in high-impact journals like Nano Letters and Applied Physics A demonstrates significant contributions to ultrafast laser-matter interactions and nanoscale engineering.

Hele Savinمشاهده پروفایل

استاد

• Defect Engineering
• Photovoltaics
• Semiconductors
• +۵ مورد دیگر

Hele Savin is a Professor in the Department of Electronics and Nanoengineering at Aalto University, specializing in semiconductor surface engineering and nanotechnology. Her research focuses on defect engineering, black silicon applications, and atomic layer deposition for photovoltaics and detectors. She holds a Docent title in semiconductor technology from Helsinki University of Technology (2008), a PhD (2005), and a Master's (2000). Education: Docent in Semiconductor Technology, Helsinki University of Technology (2008) Doctoral Degree in Engineering and Technology, Helsinki University of Technology (2005) Master's Degree in Engineering and Technology, Helsinki University of Technology (2000) Research Interests: Hele Savin's work addresses defect engineering in microelectronics and photovoltaics, black silicon for detectors and solar cells, and surface passivation techniques. Her group explores atomic layer deposition for semiconductor interfaces, light-induced degradation mechanisms, and nanotechnology applications in energy and sensing. Recent Research Trends: Her recent articles emphasize advancements in semiconductor contacts, nanostructured materials for photovoltaics, and infrared detector optimization. Key areas include laser-textured silicon, charge collection in detectors, and thin film engineering for improved device performance. Awards: 35th EU PVSEC 2018 Student Award (2018) Alexander von Humboldt Research Fellowship (2009) Aalto ELEC Entrepreneurial Mindset Award (2022) Best Poster Award at CSSC-9 Conference (2016) Advising & Grants: Supervised postdocs include Dmytro Gnatyuk (2024–current), Liu Xiaolong (2020–current), and Ville Vähänissi (2011–current). Active grants include TIMEZERO (MEMS Timing Systems), COLO (Atomic-Scale Interfaces), and HYGER (Black Germanium Detectors). She also holds external roles as Tandem Professor at Okmetic Oy and co-founder of ElFys Inc. Labs & Teams: Lead the Electron Physics Group (EPG), focusing on semiconductor surfaces, nanotechnology, and device fabrication. Collaborates internationally on projects like EU H2020 HYGER and Academy of Finland initiatives.

Peter Simpsonمشاهده پروفایل

استاد

• Positron Annihilation Spectroscopy
• Silicon Photonics
• Space Weathering
• +۳ مورد دیگر

Prof. Peter Simpson is a Professor in the Department of Physics and Astronomy at the University of Western Ontario. He leads the Positron Beam Laboratory, which uses positron annihilation spectroscopy to study defects in electronic materials. His research focuses on silicon photonics, space weathering, and defect engineering in semiconductors. Collaborations with industry and universities explore novel materials and processing techniques, including ion implantation simulations of space weathering effects and positronium formation in polymers. Students gain expertise in advanced experimental methods through projects involving nanocrystal characterization and defect analysis. Research interests include quantum confinement in nanocrystals, vacancy dynamics, and the development of optical materials for silicon-based technologies. His work bridges fundamental physics and applied engineering, addressing challenges in semiconductor device miniaturization and optoelectronic systems. The laboratory employs cutting-edge techniques such as positron beam analysis and transmission electron microscopy to study material microstructure at atomic scales. Key projects: Space weathering simulations, silicon nanocrystal luminescence, and void formation in semiconductors Techniques: Positron annihilation, ion implantation, and advanced microscopy Collaborations: Interface Science Western and planetary science teams Publications highlight advancements in defect characterization, quantum dot properties, and the interplay between vacancy structures and material performance. Graduate and undergraduate opportunities are available in experimental condensed matter physics, emphasizing hands-on training in high-tech methodologies.

Peter Persansمشاهده پروفایل

استاد

• Amorphous materials
• Nanocrystalline materials
• Low-dimensional materials
• +۷ مورد دیگر

Peter Persans is a Professor and Associate Head of the Department of Physics, Applied Physics, and Astronomy at Rensselaer Polytechnic Institute. His research spans the physics of amorphous, nanocrystalline, and low-dimensional materials , with applications in optoelectronics and energy conversion . Recently, he has focused on undergraduate education reform , including initiatives like cross-disciplinary mentor programs and open-source remote laboratory tools for introductory physics. Key research areas: amorphous materials, nanocrystalline materials, optoelectronics, physics education Notable work: Silicon hyperdoping, quantum dots in glass matrices, Titan haze analogs With 126 publications in Scopus, his work bridges fundamental materials science and educational innovation. Current projects emphasize scalable solutions for enhancing STEM education through technology and curriculum development.

• Materials Science
• Nanostructure Analysis
• Materials Engineering
• +۳ مورد دیگر

Sonia Guehairia is a Research Fellow at the Royal Institute of Technology (KTH), part of the Hultgren Laboratory within the School of Engineering Sciences (SCI). She holds a PhD in Physics from the University of Rouen Normandie (France), focusing on hyperdoped nanostructured silicon oxides. Her research investigates nano-scale materials using atom probe tomography (APT), with a focus on the correlation between material processing (e.g., heat treatment, magnetic fields) and nanostructural properties. Current projects include studying heat treatment effects on 15-5PH steels and Cu precipitation mechanisms. Her work bridges materials science and metallurgy, emphasizing APT applications for computational materials design. Key contributions include studies on Er disilicates in silica and infrared plasmonic Si nanocrystals. She actively contributes to research projects at the Hultgren Lab and provides expertise in FIB/APT techniques for external researchers.

• Semiconductor Physics
• Optical Hyperdoping
• Materials Science
• +۳ مورد دیگر

Dr. Shao Qi Lim is a researcher at the Research School of Physics , Australian National University , specializing in Materials Physics . His work focuses on advanced semiconductor processing and hyperdoping techniques to enhance infrared photodetection capabilities. Key Collaborators: John Warrender, Jerry Williams, Christian Notthoff Techniques: Pulsed laser melting, ion implantation, Rutherford backscattering His research explores gold-hyperdoped silicon for extended infrared sensitivity, defect engineering in semiconductor materials, and photodiode performance optimization . Recent publications analyze carrier lifetimes, cellular breakdown mechanisms, and microstructural inhomogeneity in hyperdoped systems. Article trends reveal strong emphasis on semiconductor defect analysis (80% of publications), infrared photodetection (60%), and laser processing (45%). Collaborative work spans solid-state nanopore fabrication, X-ray scattering characterization, and optoelectronic device engineering.

Jay Mathewsمشاهده پروفایل

دانشیار

• Photonics
• Semiconductor Materials
• Optoelectronics
• +۳ مورد دیگر

Jay Mathews is an Associate Professor in the Department of Physics at the University of North Carolina Charlotte. He holds a PhD in Physics (Experimental Condensed Matter) from Arizona State University (2011). His research focuses on photonic materials, photoluminescence spectroscopy, infrared detectors, semiconductor lasers, and hyperdoped silicon technologies. Key areas include the development of GeSn alloys for optoelectronics and the study of material properties for integrated photonic devices. Education: PhD in Physics (Experimental Condensed Matter) — Arizona State University (2011) Dr. Mathews' work emphasizes advancing infrared detection, semiconductor laser technology, and silicon photonics. His recent studies explore GeSn waveguides for room-temperature lasing, hyperdoping techniques to enhance silicon's optical response, and the integration of these materials into CMOS-compatible platforms. His research bridges fundamental material science with applied photonics, addressing challenges in telecommunications and optoelectronic device performance. Publications from 2020–2025 highlight his contributions to GeSn alloy fabrication, optical pumping studies, and modeling lasing thresholds. His work has implications for improving internet bandwidth via silicon photonics and developing next-generation infrared sensors. Advising efforts focus on fostering inclusive academic environments for diverse student identities. Labs/Teams: While specific lab details are not provided, his research likely involves collaborations in materials synthesis, optical characterization, and device prototyping.

• Semiconductor Physics
• Ultrafast Laser Processing
• Optoelectronics
• +۳ مورد دیگر

Professor Stefan Kontermann is the Head of the Master's Program in Applied Physics at RheinMain University of Applied Sciences. He works in the Department of Applied Physics within the Faculty of Engineering. His research focuses on semiconductor physics, ultrafast laser processing, optoelectronics, and photovoltaics. Email: Stefan.Kontermann@hs-rm.de Office: A-320, Visiting Address: Am Brückweg 26, 65428 Rüsselsheim Postal Address: PO Box 3251, 65022 Wiesbaden Lecture Period: SoSe25, Thu 13h30 (by email registration) His recent publications highlight advanced research in laser hyperdoping of silicon , with specific emphasis on carrier lifetime optimization, defect engineering, and sub-bandgap absorption for photovoltaic applications. He has also contributed to optical modeling and light distribution systems. Professor Kontermann's work bridges fundamental semiconductor physics with industrial applications in optoelectronics and solar energy conversion.

• Materials Science
• Electronics
• Nanoengineering
• +۴ مورد دیگر

Ville Vähänissi is a Researcher at Aalto University's Department of Electronics and Nanoengineering, specializing in nanomaterials and semiconductor technologies. His work contributes to UN Sustainable Development Goals related to affordable and clean energy. He holds a Doctoral degree in Engineering and Technology from Aalto University (2016) and a Master's degree in Engineering from Helsinki University of Technology (2008). Research focuses include surface passivation of semiconductors, nanostructured materials for photovoltaics, and advanced detector technologies. Key projects include the 'NIR-REM' initiative for radiation detectors (2025–2026) and the 'NIR: Super-sensitive detectors via defect-free nanostructures' project (2020–2024). He has supervised 4 theses and contributed to over 200 publications and datasets. Notable achievements include the 35th EU PVSEC 2018 Student Award and a teaching award in 2018. His work spans collaborations in materials science, semiconductor physics, and energy applications. Active in organizing workshops like the PREIN WP4 Photovoltaics Workshop (2024) and presenting at international conferences on topics like laser processing and superhydrophobic surfaces. His research outputs highlight innovations in solar cell efficiency, nanostructured glass for building-integrated photovoltaics, and silicon particle detectors. He has also contributed datasets to platforms like Zenodo, advancing reproducibility in materials research.

• Nanoelectronics
• Materials Science
• Semiconductor Physics
• +۲ مورد دیگر

Prof. Dr. Artur Erbe heads the Nanoelectronics department at Helmholtz Center Dresden-Rossendorf's Institute of Ion Beam Physics and Materials Research. His research focuses on nanoscale electronic devices, semiconductor materials processing, and novel fabrication techniques. Recent work explores superconducting alloys, silicon/germanium nanowire devices, 2D material engineering, and ultrafast photodetectors. His group specializes in flash lamp annealing, ion implantation, and nanofabrication methods for advanced electronic and optoelectronic applications.

• Materials Science
• Condensed Matter Physics
• Nanotechnology
• +۵ مورد دیگر

Professor Igor Shvets is a faculty member in the Department of Physics at Trinity College Dublin (TCD), serving as a Principal Investigator at CRANN (Centre for Advanced Materials and Nanotechnology). His work focuses on materials science, nanotechnology, and condensed matter physics, with a strong emphasis on novel materials for energy, optoelectronics, and sensing applications. Key research interests include transparent conducting oxides, 2D materials like graphene, and advanced thin film deposition techniques. Affiliations: School of Physics, Trinity College Dublin; CRANN, TCD Research Themes: Materials synthesis, electronic properties of nanomaterials, surface science, and energy materials His research combines experimental and theoretical approaches to study phase transitions, electronic structures, and device applications of novel materials. Notable contributions include studies on PtSe₂ electronic transitions, VO₂ thermal sensors, and 3D-printed conductive hydrogels. He collaborates extensively with international teams and has published widely in top journals like Nature Communications , ACS Nano , and Advanced Materials .

Tom Ratcliffمشاهده پروفایل

پژوهشگر ارشد

• Semiconductor Materials Science
• Memristive Devices
• Silicon Hyperdoping
• +۳ مورد دیگر

Dr. Tom Ratcliff is a Research Fellow in the Electronic Materials Engineering Department at the Australian National University's Research School of Physics. His research focuses on semiconductor materials science, particularly in the areas of memristive devices, silicon hyperdoping, and transition metal oxides. Dr. Ratcliff's research interests include: Semiconductor Materials Science and Engineering Memristive Devices and Neuromorphic Computing Silicon Hyperdoping and Defect Engineering Transition Metal Oxides for Electronic Applications Phase Transitions in Materials Nanoelectronics and Novel Device Concepts With a consistent publication record from 2013 to 2024, Dr. Ratcliff has contributed significantly to understanding electrical characteristics of novel semiconductor materials. His recent work has focused on gold-hyperdoped silicon, memristive switching in transition metal oxides, and phase transitions induced by ion implantation. These research areas have implications for next-generation electronic devices, neuromorphic computing, and infrared photodetection, with publications appearing in high-impact journals like Journal of Applied Physics and ACS Applied Materials and Interfaces. Dr. Ratcliff is affiliated with the Electronic Materials Engineering Department at the Australian National University and is part of the Electronic Materials Research Group. His work demonstrates strong collaboration with senior researchers including Emeritus Professors Robert Elliman and Jim Williams, continuing ANU's legacy of excellence in semiconductor physics research.

Behrad Radfarمشاهده پروفایل

پژوهشگر

• Photonics
• Semiconductor Manufacturing
• Nanotechnology
• +۳ مورد دیگر

Behrad Radfar is a Researcher at Aalto University , affiliated with the Department of Electronics and Nanoengineering. His work focuses on advanced silicon processing techniques and optoelectronic materials for photovoltaic applications. Research Highlights : Specializes in black silicon fabrication via femtosecond laser texturing Explores hyperdoping and upconversion for sub-bandgap absorption Investigates surface modification techniques for improved solar cell efficiency Develops selective etching methods for 3D silicon sculpting Scientific Awards : Sub-bandgap Absorption Enhancement Grant (2023) Aalto ELEC Doctoral Student Funded Position (2022) Best Course Performance Award (2017) Publication Trends : Recent work (2022-2025) emphasizes laser-based silicon nanostructuring, defect engineering, and optoelectronic optimization. Collaborations span multiple institutions in semiconductor physics and photovoltaic research.

• Material Science
• Superconductivity
• Nanotechnology
• +۷ مورد دیگر

Dr Christian Notthoff is a Researcher at the Research School of Physics, The Australian National University. His work focuses on advanced materials science, superconductivity, and nanotechnology. He is actively involved in research projects such as the 'Versatile solid-state membranes' initiative, exploring nanopore applications and electrolyte behavior. Notthoff has contributed to over 34 publications, with recent studies addressing heavy ion accelerator advancements, flux pinning in superconductors, and semiconductor hyperdoping. His research integrates experimental techniques like X-ray scattering and transmission electron microscopy with computational modeling. Education: Not specified in available records. Key research interests include thin film fabrication, material defect engineering, and ionic transport mechanisms in nanoscale systems. His recent work bridges fundamental physics with applied technologies, such as medical physics applications of heavy ion accelerators. Notthoff collaborates internationally on projects spanning superconductivity, semiconductor physics, and solid-state devices. Advising focuses on PhD candidates in materials science and physics, with active supervision roles. He has attracted research funding for projects like the ANU-based solid-state membrane initiative targeting end-user applications in sensing and filtration technologies.

• Materials Science
• Optoelectronics
• Laser Processing
• +۴ مورد دیگر

Xiaolong Liu is an Academy Research Fellow at Aalto University's Department of Electronics and Nanoengineering, School of Electrical Engineering. He holds dual roles as an Academy Research Fellow in the Electron Physics Group (EPG) and serves as a Data Agent for the School of Electrical Engineering. His doctoral degree in Natural Sciences from Fudan University (2020) laid the foundation for his current research. Research focuses on femtosecond laser processing of semiconductor materials, hyperdoping techniques for optoelectronic applications, and nanostructured surfaces for photovoltaics. Key interests include gas sensing technologies using hyperdoped silicon, infrared photonics in germanium, and surface passivation optimization in solar cells. His work contributes to UN Sustainable Development Goals related to affordable and clean energy (SDG7). Major achievements include the 2023 Academy Research Fellowship and Optica reviewer certifications (2023-2024). He leads the HyperGER project (2023-2027), exploring femtosecond-laser hyperdoped germanium for broadband infrared applications. Liu has authored 58 research outputs since 2017, with notable contributions in Nano Energy, Sensors and Actuators B, and Applied Surface Science. His research data is openly shared via Zenodo repositories. Grants: €244k HyperGER Academy Research Fellowship Labs/Teams: Electron Physics Group (EPG), Aalto Materials Platform Key collaborations: VTT Technical Research Centre, University of Eastern Finland