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Dr. Ulrich Hagemann

ICAN - Interdisciplinary Center for Analytics on the Nanoscale

Anschrift
NETZ | Raum U1.15 | Carl-Benz-Str. 199
47057 Duisburg
Raum
LN U1.15
Telefon
+49 203 379 8035
Telefax
+49 203 379 8046
E-Mail
ulrich.hagemann@uni-due.de
Webseite
http://www.uni-due.de/ican

Funktionen

  • Wissenschaftliche/r Mitarbeiter/in, Center for Nanointegration Duisburg-Essen

Aktuelle Veranstaltungen

Keine aktuellen Veranstaltungen.

Vergangene Veranstaltungen (max. 10)

Keine vergangenen Veranstaltungen.

Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.

    Artikel in Zeitschriften

  • Wittmar, Alexandra; Bödeker, Wilhelm D.; Hasnain, Najeeb; Hagemann, Ulrich; Olean-Oliveira, André; Čolić, Viktor; Ulbricht, Mathias
    Conversion of acrylic/wool fibers to N-doped carbon materials for adsorption and electrochemical oxygen reduction to hydrogen peroxide
    In: Surfaces and Interfaces , Jg. 69 2025 , 106756
    DOI (Open Access)
  • He, Biao; Hosseini, Pouya; Escalera-López, Daniel; Schulwitz, Jonas; Rüdiger, Olaf; Hagemann, Ulrich; Heidelmann, Markus; DeBeer, Serena; Muhler, Martin; Cherevko, Serhiy; Tschulik, Kristina; Li, Tong
    Effects of Dynamic Surface Transformation on the Activity and Stability of Mixed Co-Mn Cubic Spinel Oxides in the Oxygen Evolution Reaction in Alkaline Media
    In: Advanced Energy Materials , Jg. 15 2025 , Nr. 8 , 2403096
    DOI (Open Access)
  • Xiang, Weikai; Hernandez, Sheila; Hosseini, Pouya; Bai, Fan; Hagemann, Ulrich; Heidelmann, Markus; Li, Tong
    Unveiling Surface Species Formed on Ni-Fe Spinel Oxides During the Oxygen Evolution Reaction at the Atomic Scale
    In: Advanced Science 2025 , in press
    DOI (Open Access)
  • Saddeler, Sascha; Hagemann, Ulrich; Bendt, Georg; Schulz, Stephan
    Core-shell Co₃O₄@CoO Nanoparticles for Enhanced OER Activity
    In: ChemCatChem , Jg. 16 2024 , Nr. 6 , e202301327
    DOI (Open Access)
  • Bai, Fan; Schulwitz, Jonas; Priamushko, Tatiana; Hagemann, Ulrich; Kostka, Aleksander; Heidelmann, Markus; Cherevko, Serhiy; Muhler, Martin; Li, Tong
    Correlating atomic-scale structural and compositional details of Ca-doped LaCO₃ perovskite nanoparticles with activity and stability towards the oxygen evolution reaction
    In: Journal of Catalysis , Jg. 438 2024 , 115697
    DOI (Open Access)
  • Olean-Oliveira, André; Hasnain, Najeeb; Martínez-Hincapié, Ricardo; Hagemann, Ulrich; Jain, Adarsh; Segets, Doris; Spanos, Ioannis; Čolić, Viktor
    Electrochemical Insights into Hydrogen Peroxide Generation on Carbon Electrodes : Influence of Defects, Oxygen Functional Groups, and Alkali Metals in the Electrolyte
    In: ACS Catalysis , Jg. 14 2024 , Nr. 23 , S. 17675 - 17689
    DOI (Open Access)
  • Khairani, Inna Yusnila; Jin, Benjin; Palardonio, Sidney M.; Hagemann, Ulrich; Alonso, Beatriz; Ortega, Amaya; Doñate-Buendía, Carlos; Martorell, Jordi; Ros, Carles; Kallio, Tanja; Gökce, Bilal
    FeNi nanoparticle-modified reduced graphene oxide as a durable electrocatalyst for oxygen evolution
    In: Journal of Catalysis , Jg. 439 2024 , 115771
    DOI (Open Access)
  • Gao, Zhuo; Sanjuán, Ignacio; Hagemann, Ulrich; Wittmar, Alexandra S. M.; Andronescu, Corina; Ulbricht, Mathias
    Polyacrylonitrile-based porous polymer spheres and their conversion to N-doped carbon materials for adsorption and electrocatalysis
    In: Journal of Applied Polymer Science , Jg. 141 2024 , Nr. 22 , e55438
    DOI (Open Access)
  • Luan, Chenglong; Escalera-López, Daniel; Hagemann, Ulrich; Kostka, Aleksander; Laplanche, Guillaume; Wu, Dongshuang; Cherevko, Serhiy; Li, Tong
    Revealing Dynamic Surface and Subsurface Reconstruction of High-Entropy Alloy Electrocatalysts during the Oxygen Evolution Reaction at the Atomic Scale
    In: ACS Catalysis , Jg. 14 2024 , Nr. 17 , S. 12704 - 12716
    DOI
  • Sanjuán, Ignacio; Kumbhar, Vaibhav; Chanda, Vimanshu; Machado, Raíssa R. L.; Jaato, Bright N.; Braun, Michael; Mahbub, Muhammad A. A.; Bendt, Georg; Hagemann, Ulrich; Heidelmann, Markus; Schuhmann, Wolfgang; Andronescu, Corina
    Tunable Syngas Formation at Industrially Relevant Current Densities via CO₂ Electroreduction and Hydrogen Evolution over Ni and Fe-derived Catalysts obtained via One-Step Pyrolysis of Polybenzoxazine Based Composites
    In: Small , Jg. 20 2024 , Nr. 23 , 2305958
    DOI (Open Access)
  • Placke-Yan, Carsten; Bendt, Georg; Salamon, Soma; Landers, Joachim; Wende, Heiko; Hagemann, Ulrich; Schulz, Stephan
    Versatile synthesis of sub-10 nm sized metal-doped MₓCo₃−ₓO₄ nanoparticles and their electrocatalytic OER activity
    In: Materials Advances , Jg. 5 2024 , Nr. 8 , S. 3482 - 3489
    DOI (Open Access)
  • Luan, Chenglong; Corva, Manuel; Hagemann, Ulrich; Wang, Hongcai; Heidelmann, Markus; Tschulik, Kristina; Li, Tong
    Atomic-Scale Insights into Morphological, Structural, and Compositional Evolution of CoOOH during Oxygen Evolution Reaction
    In: ACS Catalysis , Jg. 13 2023 , Nr. 2 , S. 1400 - 1411
    DOI
  • Braun, Michael; Chatwani, Mohit; Kumar, Piyush; Hao, Yun; Sanjuán, Ignacio; Apostoleri, Ariadni-Aikaterini; Brix, Ann Cathrin; Morales, Dulce M.; Hagemann, Ulrich; Heidelmann, Markus; Masa, Justus; Schuhmann, Wolfgang; Andronescu, Corina
    Cobalt nickel boride as electrocatalyst for the oxidation of alcohols in alkaline media
    In: JPhys Energy , Jg. 5 2023 , Nr. 2 , 024005
    DOI (Open Access)
  • Bera, Anupam; Bullert, Denise; Linke, Matthias; Franzka, Steffen; Hagemann, Ulrich; Hartmann, Nils; Hasselbrink, Eckart
    Interaction of 2-propanol with predominantly SrO- and TiO2-terminated SrTiO3(100) surfaces studied by vibrational sum frequency spectroscopy
    In: Catalysis Science and Technology , Jg. 13 2023 , Nr. 17 , S. 4988 - 4995
    DOI (Open Access)
  • Luan, Chenglong; Angona, Johanna; Bala Krishnan, Arjun; Corva, Manuel; Hosseini, Pouya; Heidelmann, Markus; Hagemann, Ulrich; Batsa Tetteh, Emmanuel; Schuhmann, Wolfgang; Tschulik, Kristina; Li, Tong
    Linking Composition, Structure and Thickness of CoOOH layers to Oxygen Evolution Reaction Activity by Correlative Microscopy
    In: Angewandte Chemie International Edition , Jg. 62 2023 , Nr. 28 , e202305982
    DOI (Open Access)
  • Banko, Lars; Tetteh, Emmanuel Batsa; Kostka, Aleksander; Piotrowiak, Tobias Horst; Krysiak, Olga Anna; Hagemann, Ulrich; Andronescu, Corina; Schuhmann, Wolfgang; Ludwig, Alfred
    Microscale Combinatorial Libraries for the Discovery of High-Entropy Materials
    In: Advanced Materials , Jg. 35 2023 , Nr. 9 , 2207635
    DOI (Open Access)
  • Wittmar, Alexandra; Vigneswaran, Thaarmikaa; Ranković, Nikola; Hagemann, Ulrich; Hartmann, Nils; Martínez-Hincapié, Ricardo; Čolić, Viktor; Ulbricht, Mathias
    N-Doped porous carbons obtained from chitosan and spent coffee as electrocatalysts with tuneable oxygen reduction reaction selectivity for H₂O₂ generation
    In: RSC Advances , Jg. 13 2023 , Nr. 33 , S. 22777 - 22788
    DOI (Open Access)
  • Leichtweis, Jandira; Carissimi, Elvis; Hagemann, Ulrich; Ulbricht, Mathias; Fischer, Lukas
    NiFe₂O₄/biochar decorated porous polymer membranes for the flow-through photo-Fenton degradation of tetracycline
    In: Chemical Engineering Journal , Jg. 477 2023 , 147203
    DOI (Open Access)
  • Fischer, Lukas; Volz, Anna; Hagemann, Ulrich; Ulbricht, Mathias
    Polymeric multi-composites with a tailored nickel microenvironment as catalytic flow-through membrane reactors for efficient p-nitrophenol degradation
    In: Chemical Engineering Journal , Jg. 463 2023 , 142437
    DOI
  • Wittmar, Alexandra S. M.; Ropertz, Marcus; Braun, Michael; Hagemann, Ulrich; Andronescu, Corina; Ulbricht, Mathias
    Preparation of N-doped carbon materials from cellulose:chitosan blends and their potential application in electrocatalytic oxygen reduction
    In: Polymer Bulletin , Jg. 80 2023 , Nr. 7 , S. 7827 - 7845
    DOI (Open Access)
  • Xiang, Weikai; Yang, Nating; Li, Xiaopeng; Linnemann, Julia; Hagemann, Ulrich; Ruediger, Olaf; Heidelmann, Markus; Falk, Tobias; Aramini, Matteo; DeBeer, Serena; Muhler, Martin; Tschulik, Kristina; Li, Tong
    3D atomic-scale imaging of mixed Co-Fe spinel oxide nanoparticles during oxygen evolution reaction
    In: Nature Communications , Jg. 13 2022 , Nr. 1 , 179
    DOI (Open Access)
  • Dreyer, Maik; Hagemann, Ulrich; Heidelmann, Markus; Budiyanto, Eko; Cosanne, Nicolas; Friedel Ortega, Klaus; Najafishirtari, Sharif; Hartmann, Nils; Tüysüz, Harun; Behrens, Malte
    Beneficial Effects of Low Iron Contents on Cobalt‐Containing Spinel Catalysts in the Gas Phase 2‐Propanol Oxidation
    In: ChemCatChem , Jg. 14 2022 , Nr. 18 , e202200472
    DOI (Open Access)
  • Dubey, Astita; Keat, Chin Hon; Shvartsman, Vladimir V.; Yusenko, Kirill V.; Escobar Castillo, Marianela; Buzanich, Ana Guilherme; Hagemann, Ulrich; Kovalenko, Sergey A.; Stähler, Julia; Lupascu, Doru C.
    Mono-, Di-, and Tri-Valent Cation Doped BiFe₀.₉₅Mn₀.₀₅O₃ Nanoparticles : Ferroelectric Photocatalysts
    In: Advanced Functional Materials , Jg. 32 2022 , Nr. 43 , 2207105
    DOI (Open Access)
  • Brix, Ann Cathrin; Dreyer, Maik; Koul, Adarsh; Krebs, Moritz; Rabe, Anna; Hagemann, Ulrich; Varhade, Swapnil; Andronescu, Corina; Behrens, Malte; Schuhmann, Wolfgang; Morales, Dulce M.
    Structure-Performance Relationship of LaFe₁₋ₓCoₓO₃ Electrocatalysts for Oxygen Evolution, Isopropanol Oxidation, and Glycerol Oxidation
    In: ChemElectroChem , Jg. 9 2022 , Nr. 4 , e202200092
    DOI (Open Access)
  • Thiemann, Fabian; Sciaini, G.; Kassen, A.; Hagemann, Ulrich; Meyer zu Heringdorf, Frank; Horn-von Hoegen, Michael
    Ultrafast transport-mediated homogenization of photoexcited electrons governs the softening of the A1g phonon in bismuth
    In: Physical Review B , Jg. 106 2022 , Nr. 1 , 014315
    DOI, Online Volltext (Open Access)
  • BalaKrishnan, Arjun; Blanc, Niclas; Hagemann, Ulrich; Gemagami, Parham; Wonner, Kevin; Tschulik, Kristina; Li, Tong
    Direct Detection of Surface Species Formed on Iridium Electrocatalysts during the Oxygen Evolution Reaction
    In: Angewandte Chemie International Edition , Jg. 60 2021 , Nr. 39 , S. 21396 - 21403
    DOI (Open Access)
  • Pollmann, Erik; Sleziona, Stephan; Foller, Tobias; Hagemann, Ulrich; Gorynski, Claudia; Petri, Oliver; Madauß, Lukas; Breuer, Lars; Schleberger, Marika
    Large-Area, Two-Dimensional MoS2 Exfoliated on Gold : Direct Experimental Access to the Metal–Semiconductor Interface
    In: ACS Omega , Jg. 6 2021 , Nr. 24 , S. 15929 - 15939
    DOI, Online Volltext (Open Access)
  • Karlušić, Marko; Mičetić, Maja; Kresić, M.; Jakšić, Milko; Šantić, Branko; Bogdanović-Radović, Iva; Bernstorff, Sigrid; Lebius, Henning; Ban-d'Etat, Brigitte; Žužek Rožman, Kristina; O'Connell, Jacques; Hagemann, Ulrich; Schleberger, Marika
    Nanopatterning surfaces by grazing incidence swift heavy ion irradiation
    In: Applied Surface Science , Jg. 541 2021 , S. 148467
    DOI (Open Access)
  • Omambac, Karim; Petrović, Marin; Bampoulis, Pantelis; Brand, Christian; Kriegel, Marko A.; Dreher, Pascal; Janoschka, David; Hagemann, Ulrich; Hartmann, Nils; Valerius, Philipp; Michely, Thomas; Meyer zu Heringdorf, Frank; Horn-von Hoegen, Michael
    Segregation-Enhanced Epitaxy of Borophene on Ir(111) by Thermal Decomposition of Borazine
    In: ACS Nano , Jg. 15 2021 , Nr. 4 , S. 7421 - 7429
    DOI
  • Angel, Steven; Tapia, Juan David; Gallego, Jaime; Hagemann, Ulrich; Wiggers, Hartmut
    Spray-Flame Synthesis of LaMnO₃₊δNanoparticles for Selective CO Oxidation (SELOX)
    In: Energy & Fuels , Jg. 35 2021 , Nr. 5 , S. 4367 - 4376
    DOI
  • Dreyer, Maik; Cruz, Daniel; Hagemann, Ulrich; Zeller, Patrick; Heidelmann, Markus; Salamon, Soma; Landers, Joachim; Rabe, Anna; Friedel Ortega, Klaus; Najafishirtari, Sharif; Wende, Heiko; Hartmann, Nils; Knop-Gericke, Axel; Schlögl, Robert; Behrens, Malte
    The Effect of Water on the 2-Propanol Oxidation Activity of Co-Substituted LaFe₁−CoₓO₃ Perovskites
    In: Chemistry - A European Journal , Jg. 27 2021 , Nr. 68: Special Issue: Contemporary Challenges in Catalysis , S. 17127 - 17144
    DOI (Open Access)
  • Rabe, Anna; Büker, Julia; Salamon, Soma; Koul, Adarsh; Hagemann, Ulrich; Landers, Joachim; Friedel Ortega, Klaus; Peng, Baoxiang; Muhler, Martin; Wende, Heiko; Schuhmann, Wolfgang; Behrens, Malte
    The Roles of Composition and Mesostructure of Cobalt-Based Spinel Catalysts in Oxygen Evolution Reactions
    In: Chemistry - A European Journal , Jg. 27 2021 , Nr. 68 , S. 17038 - 17048
    DOI (Open Access)
  • Madauß, Lukas; Pollmann, Erik; Foller, Tobias; Schumacher, Jens; Hagemann, Ulrich; Heckhoff, Tobias; Herder, Matthias; Skopinski, Lucia; Breuer, Lars; Hierzenberger, Anke; Wittmar, Alexandra; Lebius, Henning; Benyagoub, Abdenacer; Ulbricht, Mathias; Joshi, Rakesh; Schleberger, Marika
    A swift technique to hydrophobize graphene and increase its mechanical stability and charge carrier density
    In: npj 2D Materials and Applications , Jg. 4 2020 , Nr. 1 , 11
    DOI (Open Access)
  • Naveed-Ul-Haq, M.; Shvartsman, Vladimir; Trivedi, Harsh; Salamon, Soma; Webers, Samira; Wende, Heiko; Hagemann, Ulrich; Schröder, Jörg; Lupascu, Doru C.
    Corrigendum to ‘Strong converse magnetoelectric effect in (Ba,Ca)(Zr,Ti)O₃-NiFe₂O₄ multiferroics: A relationship between phase-connectivity and interface coupling’ (Acta Materialia (2018) 144 (305–313), (S1359645417309072), (10.1016/j.actamat.2017.10.048))
    In: Acta Materialia , Jg. 187 2020 , S. 91 - 92
    DOI
  • Alkan, Baris; Medina, Danea; Landers, Joachim; Heidelmann, Markus; Hagemann, Ulrich; Salamon, Soma; Andronescu, Corina; Wende, Heiko; Schulz, Christof; Schuhmann, Wolfgang; Wiggers, Hartmut
    Cover Feature: Spray‐Flame‐Prepared LaCo1–xFexO3 Perovskite Nanoparticles as Active OER Catalysts : Influence of Fe Content and Low‐Temperature Heating (ChemElectroChem 12/2020)
    In: ChemElectroChem , Jg. 7 2020 , Nr. 12 , S. 2495 - 2495
    DOI (Open Access)
  • Dubey, Astita; Escobar Castillo, Marianela; Landers, Joachim; Salamon, Soma; Wende, Heiko; Hagemann, Ulrich; Gemeiner, Pascale; Dkhil, Brahim; Shvartsman, Vladimir; Lupascu, Doru C.
    Effect of Mn and Ba Codoping on a Magnetic Spin Cycloid of Multiferroic Bismuth Ferrite Nanoparticles
    In: Journal of Physical Chemistry C: Nanomaterials and Interfaces , Jg. 124 2020 , Nr. 40 , S. 22266 - 22277
    DOI
  • Saddeler, Sascha; Hagemann, Ulrich; Schulz, Stephan
    Effect of the Size and Shape on the Electrocatalytic Activity of Co₃O₄Nanoparticles in the Oxygen Evolution Reaction
    In: Inorganic Chemistry , Jg. 59 2020 , Nr. 14 , S. 10013 - 10024
    DOI
  • Tigges, Sebastian; Wöhrl, Nicolas; Radev, Ivan; Hagemann, Ulrich; Heidelmann, Markus; Nguyen, Thai Binh; Gorelkov, Stanislav; Schulz, Stephan; Lorke, Axel
    One-step synthesis of carbon-supported electrocatalysts
    In: Beilstein Journal of Nanotechnology , Jg. 11 2020 , S. 1419 - 1431
    DOI (Open Access)
  • Alkan, Baris; Medina, Danea; Landers, Joachim; Heidelmann, Markus; Hagemann, Ulrich; Salamon, Soma; Andronescu, Corina; Wende, Heiko; Schulz, Christof; Schuhmann, Wolfgang; Wiggers, Hartmut
    Spray-Flame-Prepared LaCo₁–ₓFeₓO₃ Perovskite Nanoparticles as Active OER Catalysts : Influence of Fe Content and Low-Temperature Heating
    In: ChemElectroChem , Jg. 7 2020 , Nr. 12 , S. 2564 - 2574
    DOI (Open Access)
  • Tigges, Sebastian; Wöhrl, Nicolas; Hagemann, Ulrich; Ney, Marcel; Lorke, Axel
    The effect of metal-oxide incorporation on the morphology of carbon nanostructures
    In: Journal of Physics D: Applied Physics , Jg. 53 2020 , Nr. 14 , S. 145206
    DOI (Open Access)
  • Kalus, Mark; Lanyumba, Riskyanti; Lorenzo-Parodi, Nerea; Jochmann, Maik; Kerpen, Klaus; Hagemann, Ulrich; Schmidt, Torsten Claus; Barcikowski, Stephan; Gökce, Bilal
    Correction : Determining the role of redox-active materials during laser-induced water decomposition
    In: Physical Chemistry, Chemical Physics (PCCP) , Jg. 21 2019 , Nr. 43 , S. 24239
    DOI (Open Access)
  • Kalus, Mark; Lanyumba, Riskyanti; Lorenzo-Parodi, Nerea; Jochmann, Maik; Kerpen, Klaus; Hagemann, Ulrich; Schmidt, Torsten Claus; Barcikowski, Stephan; Gökce, Bilal; Lorenzo Parodi, Nerea
    Determining the role of redox-active materials during laser-induced water decomposition
    In: Physical Chemistry, Chemical Physics (PCCP) , Jg. 21 2019 , Nr. 34 , S. 18636 - 18651
    DOI
  • Stanchik, A.V.; Gremenok, V.F.; Juskenas, R.; Tyukhov, Igor I.; Tivanov, M.S.; Fettkenhauer, Christian; Shvartsman, Vladimir; Giraitis, R.; Hagemann, Ulrich; Lupascu, Doru C.
    Effects of selenization time and temperature on the growth of Cu₂ZnSnSe₄ thin films on a metal substrate for flexible solar cells
    In: Solar Energy , Jg. 178 2019 , S. 142 - 149
    DOI (Open Access)
  • Beyer, Christopher; Dohmen, Ralf; Rogalla, Detlef; Becker, Hans-Werner; Marquardt, Katharina; Vollmer, Christian; Hagemann, Ulrich; Hartmann, Nils; Chakraborty, Sumit
    Lead diffusion in CaTiO₃ : A combined study using Rutherford backscattering and TOF-SIMS for depth profiling to reveal the role of lattice strain in diffusion processes
    In: American Mineralogist , Jg. 104 2019 , Nr. 4 , S. 557 - 568
    DOI
  • Pappert, Kevin; Loza, Kateryna; Shviro, Meital; Hagemann, Ulrich; Heggen, Marc; Dunin-Borkowski, Rafal E.; Schierholz, Roland; Maeda, Takuya; Kaneko, Kenji; Epple, Matthias
    Nanoscopic Porous Iridium/Iridium Dioxide Superstructures (15 nm) : Synthesis and Thermal Conversion by In Situ Transmission Electron Microscopy
    In: Chemistry - A European Journal , Jg. 25 2019 , Nr. 47 , S. 11048 - 11057
    DOI (Open Access)
  • Haxhiaj, Ina; Tigges, Sebastian; Firla, Damian; Zhang, Xiaorui; Hagemann, Ulrich; Kondo, Takahiro; Nakamura, Junji; Marzun, Galina; Barcikowski, Stephan
    Platinum nanoparticles supported on reduced graphene oxide prepared in situ by a continuous one-step laser process
    In: Applied Surface Science , Jg. 469 2019 , S. 811 - 820
    DOI
  • Speich, Claudia; Dissinger, Frank; Liborius, Lisa; Hagemann, Ulrich; Waldvogel, Siegfried R.; Tegude, Franz-Josef; Prost, Werner
    Process Development for Wet-Chemical Surface Functionalization of Gallium Arsenide Based Nanowires
    In: Physica Status Solidi (B): Basic Solid State Physics 2019 , S. 1800678
    DOI
  • Ruks, Tatjana; Beuck, Christine; Schaller, Torsten; Niemeyer, Felix; Zähres, Manfred; Loza, Kateryna; Heggen, Marc; Hagemann, Ulrich; Mayer, Christian; Bayer, Peter; Epple, Matthias
    Solution NMR Spectroscopy with Isotope-Labeled Cysteine (¹³C and ¹⁵N) Reveals the Surface Structure of l -Cysteine-Coated Ultrasmall Gold Nanoparticles (1.8 nm)
    In: Langmuir , Jg. 35 2019 , Nr. 3 , S. 767 - 778
    DOI
  • Hagemann, Ulrich; Huba, Kornelia; Nienhaus, Hermann
    Measuring displacement currents during fabrication of Mg/Si Schottky diodes due to band-bending evolution
    In: Journal of Applied Physics , Jg. 124 2018 , Nr. 22 , S. 225302
    DOI
  • Naveed-Ul-Haq, M.; Shvartsman, Vladimir; Trivedi, Harsh; Salamon, Soma; Webers, Samira; Wende, Heiko; Hagemann, Ulrich; Schröder, Jörg; Lupascu, Doru C.
    Strong converse magnetoelectric effect in (Ba,Ca)(Zr,Ti)O3 - NiFe2O4 multiferroics : a relationship between phase-connectivity and interface coupling
    In: Acta Materialia , Jg. 144 2018 , S. 305 - 313
    DOI
  • Bahners, Thomas; Gebert, Beate; Prager, Andrea; Hartmann, Nils; Hagemann, Ulrich; Gutmann, Jochen Stefan
    UV-light assisted patterned metallization of textile fabrics
    In: Applied Surface Science , Jg. 436 2018 , S. 1093 - 1103
    DOI
  • Waag, Friedrich; Gökce, Bilal; Kalapu, Chakrapani; Bendt, Georg; Salamon, Soma; Landers, Joachim; Hagemann, Ulrich; Heidelmann, Markus; Schulz, Stephan; Wende, Heiko; Hartmann, Nils; Behrens, Malte; Barcikowski, Stephan
    Adjusting the catalytic properties of cobalt ferrite nanoparticles by pulsed laser fragmentation in water with defined energy dose
    In: Scientific Reports , Jg. 7 2017 , Nr. 1 , S. 13161
    DOI (Open Access)
  • Lau, Marcus; Straube, Thomas; Aggarwal, A. Vikas; Hagemann, Ulrich; De Oliveira Viestel, Bernardo; Hartmann, Nils; Textor, Torsten; Lutz, Harald; Gutmann, Jochen Stefan; Barcikowski, Stephan
    Gradual modification of ITO particle's crystal structure and optical properties by pulsed UV laser irradiation in a free liquid jet
    In: Dalton Transactions , Jg. 46 2017 , Nr. 18 , S. 6039 - 6048
    DOI
  • Schaumann, Julian; Loor, Manuel; Ünal, Deria; Mudring, Anja; Heimann, Stefan; Hagemann, Ulrich; Schulz, Stephan; Maculewicz, Franziska; Schierning, Gabi
    Improving the zT value of thermoelectrics by nanostructuring : Tuning the nanoparticle morphology of Sb2Te3 by ionic liquids
    In: Dalton Transactions , Jg. 46 2017 , Nr. 3 , S. 656 - 668
    DOI, Online Volltext (Open Access)
  • Rytlewski, Piotr; Bahners, Thomas; Polewski, Filip; Gebert, Beate; Gutmann, Jochen Stefan; Hartmann, Nils; Hagemann, Ulrich; Moraczewski, Krzysztof
    Laser-induced surface activation of biocomposites for electroless metallization
    In: Surface and Coatings Technology , Jg. 311 2017 , S. 104 - 112
    DOI
  • Petrović, Marin; Hagemann, Ulrich; Horn-von Hoegen, Michael; Meyer zu Heringdorf, Frank
    Microanalysis of single-layer hexagonal boron nitride islands on Ir(111)
    In: Applied Surface Science , Jg. 420 2017 , S. 504 - 510
    DOI, Online Volltext (Open Access)
  • Loor, Manuel; Bendt, Georg; Schaumann, Julian; Hagemann, Ulrich; Heidelmann, Markus; Wölper, Christoph; Schulz, Stephan
    Synthesis of Sb2Se3 and Bi2Se3 Nanoparticles in Ionic Liquids at Low Temperatures and Solid State Structure of [C4C1Im]3[BiCl6]
    In: Zeitschrift für Anorganische und Allgemeine Chemie (ZAAC) , Jg. 643 2017 , Nr. 1, Special Issue: Reactions in Ionic Liquids , S. 60 - 68
    DOI, Online Volltext (Open Access)
  • Daumann, S.; Andrzejewski, Dominik; Di Marcantonio, M.; Hagemann, Ulrich; Wepfer, Svenja; Vollkommer, F.; Bacher, Gerd; Epple, Matthias; Nannen, Ekaterina
    Water-free synthesis of ZnO quantum dots for application as an electron injection layer in light-emitting electrochemical cells
    In: Journal of Materials Chemistry C: Materials for Optical and Electronic Devices , Jg. 5 2017 , Nr. 9 , S. 2344 - 2351
    DOI
  • Fischer, Mathias; Hormes, Josef; Marzun, Galina; Wagener, Philipp; Hagemann, Ulrich; Barcikowski, Stephan
    In Situ Investigations of Laser-Generated Ligand-Free Platinum Nanoparticles by X-ray Absorption Spectroscopy : How Does the Immediate Environment Influence the Particle Surface?
    In: Langmuir , Jg. 32 2016 , Nr. 35 , S. 8793 - 8802
    DOI
  • Bendt, Georg; Schiwon, Raphael; Salamon, Soma; Landers, Joachim; Hagemann, Ulrich; Limberg, Christian; Wende, Heiko; Schulz, Stephan
    Molecular design for tailoring a single-source precursor for bismuth ferrite
    In: Inorganic Chemistry , Jg. 55 2016 , Nr. 15 , S. 7542 - 7549
    DOI, Online Volltext (Open Access)
  • Schade, Linda; Franzka, Steffen; Thomas, Marc; Hagemann, Ulrich; Hartmann, Nils
    Resonant laser processing of nanoparticulate Au/TiO2 films on glass supports : Photothermal modification of a photocatalytic nanomaterial
    In: Surface Science , Jg. 650 2016 , S. 57 - 63
    DOI
  • Loor, Manuel; Bendt, Georg; Hagemann, Ulrich; Wölper, Christoph; Assenmacher, Wilfried; Schulz, Stephan
    Synthesis of Bi2Te3 and (BixSb1−x)2Te3 nanoparticles using the novel IL [C4mim]3[Bi3I12]
    In: Dalton Transactions , Jg. 45 2016 , Nr. 39 , S. 15326 - 15335
    DOI, Online Volltext (Open Access)
  • Xiao, Lisong; Schroeder, Matthias; Kluge, Sebastian; Balducci, Andrea; Hagemann, Ulrich; Schulz, Christof; Wiggers, Hartmut
    Direct self-assembly of Fe2O3/reduced graphene oxide nanocomposite for high-performance lithium-ion battery
    In: Journal of Materials Chemistry A: Materials for Energy and Sustainability , Jg. 3 2015 , Nr. 21 , S. 11566 - 11574
    DOI (Open Access)
  • Hagemann, Ulrich; Nienhaus, Hermann
    Surface plasmon coupled chemiluminescence during adsorption of oxygen on magnesium surfaces
    In: The Journal of Chemical Physics (JCP) , Jg. 143 2015 , Nr. 24 , S. 244703
    DOI
  • Bendt, Georg; Sonntag, Jens; Lorke, Axel; Assenmacher, Wilfried; Hagemann, Ulrich; Schulz, Stephan
    Van der Waals epitaxial MOCVD-growth of (BixSb1-x)2Te3 (0
    In: Semiconductor Science and Technology , Jg. 30 2015 , Nr. 8 , S. 085021
    DOI, Online Volltext (Open Access)
  • Merk, Vivian; Rehbock, Christoph; Becker, Felix; Hagemann, Ulrich; Nienhaus, Hermann; Barcikowski, Stephan
    In situ non-DLVO stabilization of surfactant-free, plasmonic gold nanoparticles : effect of Hofmeister's anions
    In: Langmuir , Jg. 30 2014 , Nr. 15 , S. 4213 - 4222
    DOI
  • Hagemann, Ulrich; Nienhaus, Hermann
    Quantum size effects in chemicurrent measurements during low-temperature oxidation of Mg(0001) epilayers
    In: New Journal of Physics (NJP) , Jg. 16 2014 , S. 113035
    DOI (Open Access)
  • Becker, Felix; Krix, David; Hagemann, Ulrich; Nienhaus, Hermann
    Internal detection of surface plasmon coupled chemiluminescence during chlorination of potassium thin films
    In: The Journal of Chemical Physics (JCP) , Jg. 138 2013 , Nr. 3 , S. 034710-1 - 034710-6
    DOI
  • Nienhaus, Hermann; Karacuban, Hatice; Krix, David; Becker, Felix; Hagemann, Ulrich; Steeger, Doris; Bywalez, Robert; Schulz, Christof; Wiggers, Hartmut
    Low temperature diffusion of Li atoms into Si nanoparticles and surfaces
    In: Journal of Applied Physics , Jg. 114 2013 , Nr. 3 , 034310
    DOI
  • Hagemann, Ulrich; Krix, David; Nienhaus, Hermann
    Electronic excitations generated by the deposition of Mg on Mg films
    In: Physical Review Letters , Jg. 104 2010 , Nr. 2 , S. 028301
    DOI
  • Hagemann, Ulrich; Timmer, Matthias; Krix, David; Kratzer, Peter; Nienhaus, Hermann
    Electronic excitations in magnesium epitaxy: Experiment and theory
    In: Physical Review B: Condensed matter and materials physics , Jg. 82 2010 , Nr. 15 , 155420-1-9
    DOI

    • Dissertation

  • Hagemann, Ulrich
    Quantum size effects in Mg epilayers on Si (111) : enhancement of photoelectron yield and oxidation rate
    Duisburg, Essen 2015
    Online Volltext

    • Forschungsberichte

  • Hagemann, Ulrich
    Angle Resolved XPS - ARXPS
    2021
    (ICAN Notes ; 3)
    DOI, Online Volltext (Open Access)
  • Hagemann, Ulrich
    Focus Track – How to minimize and compensate z-Axis drift using the Renishaw InVia Raman microscope
    2021
    (ICAN Notes ; 5)
    DOI, Online Volltext (Open Access)

    • Vorträge

  • Deike, Rüdiger; Smaha, Bartosz; Müller, Ulrich; Hagemann, Ulrich; Heidelmann, Markus; Kiesler, Dennis
    Neue Erkenntnisse zur Keimbildung bei GJS
    Österreichische Gießereitagung ; Gurten, 27.-28. April 2017,
    Gurten, Österreich 2017