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Doktorsavhandling, sammanläggning: Micro-photoluminescence and micro-Raman spectroscopy of novel semiconductor nanostructures  PDF
  Stanislav Filippov

Licentiatavhandling, sammanläggning: Optical properties of novel semiconductor nanostructures
  Stanislav Filippov

Doktorsavhandling, sammanläggning: Room-temperature defect-engineered spin functionalities in Ga(In)NAs alloys  PDF
  Yuttapoom Puttisong

Doktorsavhandling, sammanläggning: Excitonic Effects and Energy Upconversion in Bulk and Nanostructured ZnO  PDF
  Shula Chen

Licentiatavhandling, sammanläggning: Excitonic effects in ZnO
  Shula Chen

Licentiatavhandling, sammanläggning: Spin-dependent recombination in Ga(In)NAs alloys
  Yuttapoom Puttisong

Doktorsavhandling, sammanläggning: Spin Properties in InAs/GaAs Quantum Dot based Nanostructures  PDF
  Jan Beyer

Studentuppsats (Examensarbete): Spin-dependent Recombination in GaNAs  PDF
  Yuttapoom Puttisong

Samlingsverk (redaktörskap): Handbook of Spintronic Semiconductors
  

Samlingsverk (redaktörskap): Physics and Applications of Dilute Nitrides
  

Konferensbidrag: Probing host-guest interactions in organic/inorganic nanocomposite by time-resolved photoluminescence
  A. O. Koval'chuk, G. Yu, Rudko, V. I. Fediv, Q. J. Ren, G. Pozina, Weimin Chen, Irina Buyanova

Konferensbidrag: Effects of N incorporation on Raman properties and band structure of GaP/GaNP core/shell nanowires
  Alexandr Dobrovolsky, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Buyanova

Artikel i tidskrift: Spin dynamics in ZnO-based materials
  Irina Buyanova, A Murayama, T Furuta, Y Oka, D P Norton, S J Pearton, A Osinsky, J W Dong, C W Tu, Weimin Chen

Artikel i tidskrift: Spin relaxation in InGaN/Ga(Mn)N quantum wells
  Weimin Chen, Irina Buyanova, K. Nishibayashi, K. Kayanuma, K. Seo, A. Murayama, Y. Oka, G. Thaler, R. Frazier, C.R. Abernathy, S.J. Pearton, Jihyun Kim, F. Ren, F.V. Kyrychenko, C. Stanton, C.-C. Pan, G.T. Chen, J.I. Chyi, J.M. Zavada

Kapitel i bok, del av antologi: Optical and electronic properties of GaInNP alloys - a new material for lattice matching to GaAs
  Irina Buyanova, Weimin Chen

Konferensbidrag: Signatures of N incorporation in Raman and optical properties of GaP/GaNP core/shell nanowires
  Alexandr Dobrovolsky, Per Persson, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: GaNP nanowires – a novel material system for solar cell applications
  Alexandr Dobrovolsky, Y. J. Kuang, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Defect-enabled spin functionality: a new approach for room-temperature semiconductor spintronics
  Weimin Chen, Irina Buyanova

Konferensbidrag: Room-Temperature Defect-Enabled Spin Functionality in GaAs-Based Coumpound Semiconductors
  Weimin Chen, Irina Buyanova

Konferensbidrag: Growth and Optical Properties of GaNxP1-x/GaNyP1-y Core/Shell Nanowires Grown by Gas-Source Molecular Beam Epitaxy
  S. Sukrittanon, Alexandr Dobrovolsky, Y. J. Kuang, Weimin Chen, Irina Buyanova, C. W. Tu

Konferensbidrag: Ga(In)NAs Dilute Nitride: An Unconventional Spintronic Semiconductor.
  Weimin Chen, Irina Buyanova, C. W. Tu

Kapitel i bok, del av antologi: Ferromagnetism in ZnO Doped with Transition Metal Ions
  D.P. Norton, S.J. Pearton, J.M. Zavada, Weimin Chen, Irina Buyanova

Kapitel i bok, del av antologi: Electron effective masses of dilute nitrides: Experiment
  Weimin Chen, Irina Buyanova

Kapitel i bok, del av antologi: Recombination processes in dilute nitrides
  Irina Buyanova, Weimin Chen

Kapitel i bok, del av antologi: Optical and electronic properties of GaInNP alloys - a new material for lattice matching to GaAs
  Irina Buyanova, Weimin Chen

Kapitel i bok, del av antologi: Magneto-optical spectroscopy of spin injection and spin relaxation in spin light-emitting structures
  Irina Buyanova, Weimin Chen

Artikel i tidskrift: Electron spin control in dilute nitride semiconductors
  F Zhao, A Balocchi, G Truong, T Amand, X Marie, Xingjun Wang, Irina A Buyanova, Weimin Chen, J C Harmand

Övrigt: Free-carriers beat excitons in spin-injection contest
  Jan Beyer, Irina Buyanova, Suwaree Suraprapapich, Charles Tu, Weimin Chen

Artikel i tidskrift: Experimental evidence for N-induced strong coupling of host conduction band states in GaNP: insight into the dominant mechanism for giant band-gap bowing
  Irina Buyanova, Morteza Izadifard, Weimin Chen, H. P. Xin, C. W. Tu

Artikel i tidskrift: Effects of ultraviolet light on optical properties of colloidal CdS nanoparticles embedded in a polymer PVA matrix
  G. Yu. Rudko, A. O. Kovalchuk, V. I. Fediv, Jan Beyer, Weimin Chen, Irina Buyanova

Kapitel i bok, del av antologi: Effect of hydrogen on defects in dilute nitride
  Daniel Dagnelund, Weimin Chen, Irina Buyanova

Övrigt: Donor bound excitons involving a hole from the B valence band in ZnO: Time resolved and magneto-photoluminescence studies (vol 99, 091909, 2011)
  Shula Chen, Weimin Chen, Irina Buyanova

Artikel i tidskrift: Zinc-Vacancy–Donor Complex: A Crucial Compensating Acceptor in ZnO  PDF
  Jan Eric Stehr, K. M. Johansen, T. S. Bjørheim, L. Vines, B. G. Svensson, Weimin Chen, Irina Buyanova

Konferensbidrag: Polymer Matrix Role in Light Absorption and Emission by Nano-CdS/PVA Composite
  Andrii Koval'chuk, Galyna Rudko, Volodymyr Fediv, Qijun Ren, Weimin Chen, Irina Buyanova

Konferensbidrag: Optically detected magnetic resonance investigation of GaP and GaP/GaNP/GaNP Nanowires
  Jan Eric Stehr, Alexandr Dobrovolsky, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Preferential formation of nitrogen clusters in GaNP nanowires probed by polarization resolved μ-photoluminescence
  Stanislav Filippov, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Spin properties of InAs/GaAs quantum dot structures relevant to room-temperature spintronics
  Weimin Chen, Jan Beyer, Irina Buyanova, S Suraprapapich, C. W. Tu

Konferensbidrag: Defects in GaNP Nanowires
  Jan Eric Stehr, Alexandr Dobrovolsky, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Unintentional Nitrogen Doping in ZnO Nanowires Revealed by Electron Paramagnetic Resonance Spectroscopy
  Jan Eric Stehr, Weimin Chen, C. W. Tu, Irina Buyanova

Konferensbidrag: How to Deactivate Harmful Defects and Active them for New Spin Functionalities in a Semiconductor?
  Weimin Chen, Irina Buyanova, Yuttapoom Puttisong, X. J. Wang, C. W. Tu, Aaron J. Ptak, L. Geelhaar, H. Riechert

Konferensbidrag: Characterization of GaAs/GaNAs core/shell nanowires by means of Raman scattering spectroscopy
  Stanislav Filippov, Fumitaro Ishikawa, Weimin Chen, Irina Buyanova

Artikel i tidskrift: Oxygen and zinc vacancies in as-grown ZnO single crystals
  Xingjun Wang, Leonid Vlasenko, S J Pearton, Weimin Chen, Irina A Buyanova

Artikel i tidskrift: Analysis of band anticrossing in GaNxP1-x alloys
  Irina Buyanova, Morteza Izadifard, A. Kasic, Hans Arwin, Weimin Chen, H. P. Xin, Y. G. Hong, C. W. Tu

Artikel i tidskrift: Electronic structure of the 0.88-eV luminescence center in electron-irradiated gallium nitride
  Irina Buyanova, Matthias Wagner, Weimin Chen, N. V. Edwards, Bo Monemar, J. L. Lindström, M. D. Bremser, R. F. Davis, H. Amano, I. Akasaki

Manuskript (preprint): Strong suppression of spin generation at a Fano resonance in a semiconductor nanostructure
  Jan Beyer, Irina Buyanova, Bo E. Sernelius, S Suraprapapich, C. W. Tu, Weimin Chen

Övrigt: Quantum dot structures: limiting factors for spintronics
  Jan Beyer, Po-Hsiang Wang, Irina A Buyanova, S. Suraprapapich, C. W. Tu, Weimin Chen

Artikel i tidskrift: Effect of postgrowth hydrogen treatment on defects in GaNP  PDF
  Daniel Dagnelund, Xingjun Wang, C W Tu, A Polimeni, M Capizzi, Weimin Chen, Irina Buyanova

Konferensbidrag: GaP/GaNP core/shell nanowires - a novel material system for optoelectronics and photonics
  Jan Eric Stehr, Alexander Dobrovolsky, Stanislav Filippov, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Defects in Electron Irradiated ZnO: An Electron Paramagnetic Resonance Study
  Jan Eric Stehr, Shula Chen, K. E. Knutsen, B. G. Svensson, Weimin Chen, Irina Buyanova

Konferensbidrag: Optical properties and defect formation in GaP/GaNP core/shell nanowires
  Alexander Dobrovolskiy, Jan Eric Stehr, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Bouianova

Konferensbidrag: Novel GaP/GaNP Core/Shell Nanowires for Optoelectronics and Photonics
  Jan Eric Stehr, Alexander Dobrovolskiy, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Bouyanova

Manuskript (preprint): Control of exciton fine-structure splitting in geometrically engineered self-assembled InAs/GaAs quantum molecular structures
  Stanislav Fillipov, Yuttapoom Puttisong, Yuqing Huang, Irina Buyanova, Suwaree Suraprapapich, C. W. Tu, Weimin Chen

Artikel i tidskrift: Optical and electronic properties of GaInNP alloys - a new material system for lattice matching to GaAs
  Irina A. Buyanova, Weimin Chen, C. W. Tu

Konferensbidrag: Fabry-Perot Microcavity Modes in Single GaP/GaNP Core/Shell Nanowires.
  Jan Eric Stehr, Alexander Dobrovolsky, S. Sukrittanon, Y. Kuang, C.W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Efficient Nitrogen Incorporation in ZnO Nanowires by Unintentional Doping
  Jan Eric Stehr, Weimin Chen, Nandanapalli Koteeswara Reddy, C.W. Tu, Irina Buyanova

Konferensbidrag: Efficient Nitrogen Incorporation in ZnO Nanowires by Unintentional Doping
  Jan Eric Stehr, Weimin Chen, Nandanapalli Koteeswara Reddy, Charles W Tu, Irina Buyanova

Konferensbidrag: The Aluminum - zinc vacancy complex in ZnO: An EPR study
  Jan Eric Stehr, K. M. Johansen, T. S. Borheim, L. Vines, B. G. Svensson, Weimin Chen, Irina Bouianova

Konferensbidrag: Surface and interfacial defects in coaxial GaNP nanowires
  Jan Eric Stehr, Alexandr Dobrovolsky, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Bouyanova

Konferensbidrag: Room-temperature defect-enabled electron spin amplifier in a non-magnetic semiconductor
  Yuttapoom Puttisong, Irina Buyanova, Aaron J. Ptak, C. W. Tu, Lutz Geelhaar, H. Riechert, Weimin Chen

Konferensbidrag: Role of hyperfine interaction on room room-temperature defect-enabled spin blockade and spin filtering functionalities in GaNAs alloys
  Yuttapoom Puttisong, X. J. Wang, Irina Buyanova, Weimin Chen

Konferensbidrag: Spin properties of InAs/GaAs quantum dot structures relevant to room-temperature spintronics.
  Weimin Chen, Jan Beyer, Irina Buyanova, S Suraprapapich, C. W. Tu

Konferensbidrag: Electron Paramagnetic Resonance Investigations of Defects in Electron Irradiated ZnO
  Jan Eric Stehr, S. L. Chen, K. E. Knutsen, B. G. Svensson, Weimin Chen, Irina Buyanova

Konferensbidrag: Photo-EPR and Photoluminescence Excitation Studies of Defects/Impurities Responsible for Upconversion Effects in Bulk ZnO crystals.
  Jan Eric Stehr, S. L. Chen, Weimin Chen, Irina Buyanova

Konferensbidrag: Promoting dynamic nuclear spin polarization of P<sub>In</sub> in InP.
  X. J. Wang, Irina Buyanova, Weimin Chen

Konferensbidrag: Enhanced Efficiency of Light Emission From from ZnO/Ni Core/shell Nanowires: Effects of Surface Plasmons.
  Q. J. Ren, S. L. Chen, M. Devika, N. Koteeswara Reddy, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Ga interstitials: usual grown-in defects with unusual room-temperature spin functionality in dilute nitrides
  Weimin Chen, Yuttapoom Puttisong, X. J. Wang, Irina Buyanova, Aaron J. Ptak, C. W. Tu, L. Geelhaar, H. Riechert

Konferensbidrag: Spin functional non-magnetic semiconductors for future spintronics
  Weimin Chen, Yuttapoom Puttisong, X. J. Wang, Irina Buyanova, C. W. Tu, A. J. Ptak, Lutz Geelhaar, H. Riechert

Konferensbidrag: Recombination processes in GaP/GaNP core/shell nanowires.
  Alexandr Dobrovolsky, Jan Eric Stehr, Y. J. Kuang, S. Sukrittanon, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Plasmonic effects in ZnO/Ni core-shell nanowires.
  Q. J. Ren, Weimin Chen, M. Devika, N. Koteeswara Reddy, C. W. Tu, Irina Buyanova

Konferensbidrag: Extraordinary Room-Temperature Spin Functionality In A Non-Magnetic Semiconductor
  Weimin Chen, Yuttapoom Puttisong, X. J. Wang, Irina Buyanova

Konferensbidrag: Study of grown-in defects in GaBiAs grown at low temperatures by molecular beam epitaxy
  Daniel Dagnelund, J. Puustinen, M. Guina, Irina Buyanova, Weimin Chen

Konferensbidrag: Understanding key properties of ZnO nanostructures relevant to advanced optoelectronic applications.
  Irina Buyanova, Weimin Chen

Konferensbidrag: Room-temperature spin functionality in non-magnetic semiconductor thin films and quantum structures
  Yuttapoom Puttisong, X. J. Wang, Irina Buyanova, Aaron J. Ptak, C. W. Tu, Lutz Geelhaar, H. Riechert, Weimin Chen

Konferensbidrag: Plasmonic effects in ZnO/Ni core-shell nanowires.
  Q. J. Ren, Weimin Chen, M. Devika, N. Koteeswara Reddy, C. W. Tu, Irina Buyanova

Konferensbidrag: Spin properties in InAs/GaAs quantum dot structures: Invited talk at the Second Int. Conf. on Small Science (ICSS 2012), Orlando, USA, Dec.16-19 2012.
  Jan Beyer, Yuttapoom Puttisong, P. H. Wang, S. Suraprapapich, C. W. Tu, Irina Buyanova, Weimin Chen

Konferensbidrag: Defect-engineered spin functionality in a non-magnetic semiconductor.: Invited talk at the 3rd Nordic Workshop on Spintronics and Nanomagnetism, Varberg Kurort, April 22-25, 2012.
  Weimin Chen, Irina Buyanova

Konferensbidrag: Exploring room-temperature spin functionality in non-magnetic semiconductor nanostructures.: Invited talk at the 5<sup>th</sup> IEEE International Nanoelectronics Conference (IEEE INEC 2013), Singapore, Jan.2-4, 2013.
  Weimin Chen, X. J. Wang, Yuttapoom Puttisong, Irina Buyanova, C. W. Tu, A. J. Ptak, Lutz Geelhaar, Henning Riechert

Konferensbidrag: Nanoparticles incorporation for improvement of polymer endurance to UV-illumination
  A. O. Kovalchuk, G. Yu. Rudko, V. I. Fediv, Weimin Chen, Irina Buyanova

Konferensbidrag: P implantation –induced defects in ZnO
  X. J. Wang, Weimin Chen, F. Ren, S. Pearton, Irina Buyanova

Konferensbidrag: Excitonic and defect properties of nanostructured ZnO
  Irina Buyanova, Weimin Chen

Konferensbidrag: Optical studies and defect properties of GaP/GaNP core/shell nanowires
  Alexandr Dobrovolsky, Shula Chen, Jan Stehr, Y. J. Kuang, S. Sukrittanon, H. Li, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Nanocomposites properties variation under UV-exposure
  G. Yu. Rudko, A. O. Kovalchuk, V. I. Fediv, Jan Beyer, Weimin Chen, Irina Buyanova

Konferensbidrag: Defects in N, O and N, Zn implanted ZnO single crystals.
  Jan Stehr, X. J. Wang, F. Ren, S. Pearton, Weimin Chen, Irina Buyanova

Konferensbidrag: Localized surface plasmon mediated emission from Ni coated ZnO nanowires
  Qijun Ren, A. Devika, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Efficient upconversion of photoluminescence in bulk and nanorod ZnO
  Shula Chen, Weimin Chen, C. W. Tu, Irina Buyanova

Konferensbidrag: Magneto-optical properties and dynamics of donor bound excitons involving a B valence band hole.
  Shula Chen, Weimin Chen, Irina Buyanova

Konferensbidrag: Effect of post-growth hydrogen treatment and annealing on spin filtering functionality in Ga(In)NAs alloys
  Yuttapoom Puttisong, Daniel Dagnelund, Irina Buyanova, Charles W. Tu, A. Polimeni, M. Capizzi, Weimin Chen

Konferensbidrag: Optimization of room-temperature defect-engineered spin filtering effect in Ga(In)NAs: rate equation studies
  Yuttapoom Puttisong, Daniel Dagnelund, Irina Buyanova, Charles W. Tu, A. Polimeni, M. Capizzi, Weimin Chen

Konferensbidrag: Realization of slow light in ZnO media
  Shula Chen, Weimin Chen, Irina Buyanova

Konferensbidrag: Defect-enabled Room-temperature Spin Functionality in Ga(In)NAs
  Yuttapoom Puttisong, Xingjun Wang, Irina Buyanova, Aaron J. Ptak, Charles W. Tu, Lutz Geelhaar, Henning Riechert, Weimin Chen

Konferensbidrag: Effect of in-plane anisotropy on spin injection efficiency in InAs/GaAs nanostructures revealed in a longitudinal magnetic field
  Jan Beyer, P. H. Wang, Irina Buyanova, S. Suraprapapich, C. W. Tu, Weimin Chen

Konferensbidrag: Magneto-optical spectroscopy of donor bound excitons involving B valence band hole
  Shula Chen, Weimin Chen, Irina Buyanova

Konferensbidrag: First demonstration of room-temperature electron spin amplifier based on Ga(In)NAs alloys
  Yuttapoom Puttisong, Irina Buyanova, Aaron. J. Ptak, Charles W. Tu, L. Geelhaar, H. Riechert, Weimin Chen

Konferensbidrag: Hyperfine-induced spin depolarization and dynamic nuclear polarization in InAs/GaAs quantum dots
  Jan Beyer, Yuttapoom Puttisong, Irina Buyanova, S Suraprapapich, C. W. Tu, Weimin Chen

Konferensbidrag: An optically detected magnetic resonance study of effects of hydrogenation on non-radiative defects in GaNP and GaNAs alloys
  Daniel Dagnelund, I.P. Vorona, G. Nosenko, X. J. Wang, C. W. Tu, H. Yonezu, A. Polimeni, M. Capizzi, Weimin Chen, Irina Buyanova

Konferensbidrag: Effects of substrate defects on photoluminescence of GaNP and GaNAs epitaxial layers: optically detected magnetic resonance study
  Daniel Dagnelund, Yuttapoom Puttisong, H. Yonezu, A. J. Ptak, Weimin Chen, Irina Buyanova

Konferensbidrag: Raman scattering studies of Ni-coated ZnO nanorods
  Stanislav Filippov, X. J. Wang, N. Koteeswara Reddy, C. W. Tu, Weimin Chen, Irina Buyanova

Konferensbidrag: Effects of Ni-coating on optical properties of ZnO/Ni core-shell nanowires
  Qijun Ren, Weimin Chen, N. Koteeswara Reddy, C. W. Tu, Irina Buyanova

Konferensbidrag: InAs/GaAs quantum dots as highly polarized spin and light sources and efficient spin detectors at room temperature.
  Jan Beyer, Irina Buyanova, S Suraprapapich, C. W. Tu, Weimin Chen

Konferensbidrag: Optical spin injection and spin detection in novel InAs quantum dot structures.
  Jan Beyer, Irina Buyanova, S Suraprapapich, C.W. Tu, Weimin Chen