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Dr. Ulrich Hagemann

ICAN - Interdisciplinary Center for Analytics on the Nanoscale

Address
NETZ | Raum U1.15 | Carl-Benz-Str. 199
47057 Duisburg
Room
LN U1.15
Phone
+49 203 379 8035
Fax
+49 203 379 8046
E-Mail
ulrich.hagemann@uni-due.de
Website
http://www.uni-due.de/ican

Functions

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

The following publications are listed in the online university bibliography of the University of Duisburg-Essen. Further information may also be found on the person's personal web pages.

    Journal articles

  • Saddeler, Sascha; Hagemann, Ulrich; Bendt, Georg; Schulz, Stephan
    Core-shell Co₃O₄@CoO Nanoparticles for Enhanced OER Activity
    In: ChemCatChem Vol. 16 (2024) Nr. 6, e202301327
    Online Full Text: dx.doi.org/ (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 Vol. 438 (2024) 115697
    Online Full Text: dx.doi.org/ (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 (2024) in press
    Online Full Text: dx.doi.org/ (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 Vol. 439 (2024) 115771
    Online Full Text: dx.doi.org/ (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 Vol. 141 (2024) Nr. 22, e55438
    Online Full Text: dx.doi.org/ (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 Vol. 14 (2024) Nr. 17, pp. 12704 - 12716
    Online Full Text: dx.doi.org/
  • 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 Vol. 20 (2024) Nr. 23, 2305958
    Online Full Text: dx.doi.org/ (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 Vol. 5 (2024) Nr. 8, pp. 3482 - 3489
    Online Full Text: dx.doi.org/ (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 Vol. 13 (2023) Nr. 2, pp. 1400 - 1411
    Online Full Text: dx.doi.org/
  • 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 Vol. 5 (2023) Nr. 2, 024005
    Online Full Text: dx.doi.org/ (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 Vol. 13 (2023) Nr. 17, pp. 4988 - 4995
    Online Full Text: dx.doi.org/ (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 Vol. 62 (2023) Nr. 28, e202305982
    Online Full Text: dx.doi.org/ (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 Vol. 35 (2023) Nr. 9, 2207635
    Online Full Text: dx.doi.org/ (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 Vol. 13 (2023) Nr. 33, pp. 22777 - 22788
    Online Full Text: dx.doi.org/ (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 Vol. 477 (2023) 147203
    Online Full Text: dx.doi.org/ (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 Vol. 463 (2023) 142437
    Online Full Text: dx.doi.org/
  • 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 Vol. 80 (2023) Nr. 7, pp. 7827 - 7845
    Online Full Text: dx.doi.org/ (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 Vol. 13 (2022) Nr. 1, 179
    Online Full Text: dx.doi.org/ (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 Vol. 14 (2022) Nr. 18, e202200472
    Online Full Text: dx.doi.org/ (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 Vol. 32 (2022) Nr. 43, 2207105
    Online Full Text: dx.doi.org/ (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 Vol. 9 (2022) Nr. 4, e202200092
    Online Full Text: dx.doi.org/ (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 Vol. 106 (2022) Nr. 1, 014315
    Online Full Text: dx.doi.org/ (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 Vol. 60 (2021) Nr. 39, pp. 21396 - 21403
    Online Full Text: dx.doi.org/ (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 Vol. 6 (2021) Nr. 24, pp. 15929 - 15939
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 541 (2021) pp. 148467
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 15 (2021) Nr. 4, pp. 7421 - 7429
    Online Full Text: dx.doi.org/
  • 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 Vol. 35 (2021) Nr. 5, pp. 4367 - 4376
    Online Full Text: dx.doi.org/
  • 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 Vol. 27 (2021) Nr. 68: Special Issue: Contemporary Challenges in Catalysis, pp. 17127 - 17144
    Online Full Text: dx.doi.org/ (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 Vol. 27 (2021) Nr. 68, pp. 17038 - 17048
    Online Full Text: dx.doi.org/ (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 Vol. 4 (2020) Nr. 1, 11
    Online Full Text: dx.doi.org/ (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 Vol. 187 (2020) pp. 91 - 92
    Online Full Text: dx.doi.org/ (Open Access)
  • 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 Vol. 7 (2020) Nr. 12, pp. 2495 - 2495
    Online Full Text: dx.doi.org/ (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 Vol. 124 (2020) Nr. 40, pp. 22266 - 22277
    Online Full Text: dx.doi.org/
  • 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 Vol. 59 (2020) Nr. 14, pp. 10013 - 10024
    Online Full Text: dx.doi.org/
  • 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 Vol. 11 (2020) pp. 1419 - 1431
    Online Full Text: dx.doi.org/ (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 Vol. 7 (2020) Nr. 12, pp. 2564 - 2574
    Online Full Text: dx.doi.org/ (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 Vol. 53 (2020) Nr. 14, pp. 145206
    Online Full Text: dx.doi.org/ (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) Vol. 21 (2019) Nr. 43, pp. 24239
    Online Full Text: dx.doi.org/ (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) Vol. 21 (2019) Nr. 34, pp. 18636 - 18651
    Online Full Text: dx.doi.org/
  • 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 Vol. 178 (2019) pp. 142 - 149
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 104 (2019) Nr. 4, pp. 557 - 568
    Online Full Text: dx.doi.org/
  • 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 Vol. 25 (2019) Nr. 47, pp. 11048 - 11057
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 469 (2019) pp. 811 - 820
    Online Full Text: dx.doi.org/
  • 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) pp. 1800678
    Online Full Text: dx.doi.org/
  • 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 Vol. 35 (2019) Nr. 3, pp. 767 - 778
    Online Full Text: dx.doi.org/
  • 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 Vol. 124 (2018) Nr. 22, pp. 225302
    Online Full Text: dx.doi.org/
  • 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 Vol. 144 (2018) pp. 305 - 313
    Online Full Text: dx.doi.org/
  • 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 Vol. 436 (2018) pp. 1093 - 1103
    Online Full Text: dx.doi.org/
  • 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 Vol. 7 (2017) Nr. 1, pp. 13161
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 46 (2017) Nr. 18, pp. 6039 - 6048
    Online Full Text: dx.doi.org/
  • 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 Vol. 46 (2017) Nr. 3, pp. 656 - 668
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 311 (2017) pp. 104 - 112
    Online Full Text: dx.doi.org/
  • 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 Vol. 420 (2017) pp. 504 - 510
    Online Full Text: dx.doi.org/ (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) Vol. 643 (2017) Nr. 1, Special Issue: Reactions in Ionic Liquids, pp. 60 - 68
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 5 (2017) Nr. 9, pp. 2344 - 2351
    Online Full Text: dx.doi.org/
  • 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 Vol. 32 (2016) Nr. 35, pp. 8793 - 8802
    Online Full Text: dx.doi.org/
  • 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 Vol. 55 (2016) Nr. 15, pp. 7542 - 7549
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 650 (2016) pp. 57 - 63
    Online Full Text: dx.doi.org/
  • 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 Vol. 45 (2016) Nr. 39, pp. 15326 - 15335
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 3 (2015) Nr. 21, pp. 11566 - 11574
    Online Full Text: dx.doi.org/ (Open Access)
  • Hagemann, Ulrich; Nienhaus, Hermann
    Surface plasmon coupled chemiluminescence during adsorption of oxygen on magnesium surfaces
    In: The Journal of Chemical Physics (JCP) Vol. 143 (2015) Nr. 24, pp. 244703
    Online Full Text: dx.doi.org/
  • 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 Vol. 30 (2015) Nr. 8, pp. 085021
    Online Full Text: dx.doi.org/ Online Full Text (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 Vol. 30 (2014) Nr. 15, pp. 4213 - 4222
    Online Full Text: dx.doi.org/
  • Hagemann, Ulrich; Nienhaus, Hermann
    Quantum size effects in chemicurrent measurements during low-temperature oxidation of Mg(0001) epilayers
    In: New Journal of Physics (NJP) Vol. 16 (2014) pp. 113035
    Online Full Text: dx.doi.org/ (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) Vol. 138 (2013) Nr. 3, pp. 034710-1 - 034710-6
    Online Full Text: dx.doi.org/
  • 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 Vol. 114 (2013) Nr. 3, 034310
    Online Full Text: dx.doi.org/
  • Hagemann, Ulrich; Krix, David; Nienhaus, Hermann
    Electronic excitations generated by the deposition of Mg on Mg films
    In: Physical Review Letters Vol. 104 (2010) Nr. 2, pp. 028301
    Online Full Text: dx.doi.org/
  • 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 Vol. 82 (2010) Nr. 15, 155420-1-9
    Online Full Text: dx.doi.org/

    • Thesis

  • Hagemann, Ulrich;
    Quantum size effects in Mg epilayers on Si (111) : enhancement of photoelectron yield and oxidation rate
    Duisburg, Essen (2015) 207 S.
    Online Full Text

    • Research report

  • Hagemann, Ulrich
    Angle Resolved XPS - ARXPS
    In: ICAN Notes Vol. 3 (2021)
    Online Full Text: dx.doi.org/ Online Full Text (Open Access)
  • Hagemann, Ulrich
    Focus Track – How to minimize and compensate z-Axis drift using the Renishaw InVia Raman microscope
    In: ICAN Notes Vol. 5 (2021)
    Online Full Text: dx.doi.org/ Online Full Text (Open Access)

    • Lectures

  • 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)