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Chair of Applied Physics and Semiconductor Spectroscopy Prof. Dr. rer. nat. habil. Jan Ingo Flege

Meeting contributions 2026

MSE Congress 2026 »Materials Science and Engineering«
September, 29 to October, 1, 2026, Darmstadt

  • TXM–NEXAFS Spectromicroscopy of Alluaudite-Type Na2.5−xFe1.75−yMny(SO4)3 Cathodes for Sodium-Ion Batteries 
    N. Imam, K. Henkel, S. Werner, C. Pratsch, A. Milewska, G. Schneider, J. Molenda, J. I. Flege, E. Zschech
    Topic C »Characterization «, Symposium »C02: Tomographic and Radiographic Imaging With Synchrotron X-Rays and Neutrons: Experimental Techniques, Applications and Data Science«, Session C02.4 »Tomography and Spectromicroscopy for Functional Materials and Sustainability«
    Talk 956, Tuesday, 29.09.2026, 05:25 pm, S1I03 - 221
    Abstract

European conference on applications of surface and interface analysis (ECASIA 2026)
September, 13-18, 2026, Brussels, Belgium

  • Interfacial Oxidation-State Control in ALD-Based CeOx/WO₃ Heterostructures
    D. Guttmann, R. Tschammer, C. Morales, M. Kot, M. Mazur, D. Wojcieszak, P. Kapuścik, W. Kołodzińska, J. Domaradzki, J. I. Flege
    Topic »Thin films and coatings (COAT)«
    Talk, submitted

  • U–Ce charge transfer in ceria-uranium mixed oxide: implications for thermochemical water splitting 
    C. Morales, R. Tschammer, T. Gouder, Y. Choi, H. Idriss, J. I. Flege
    Topic » Catalysis (CAT)«
    Talk, submitted

  • Quantitative Ce 3d XPS analysis in cerium oxide: background effects, fitting strategies, and comparison to theory
    C. Morales, R. Tschammer, E. Pożarowska, J. I. Flege
    Topic » Data analysis (DAT)«
    Poster, submitted

  • XPS study on β-aluminum-gallium oxide: composition, bandgap, and substrate dependence
    L. Schewe, J. Rehm, M-C. Kao, V. Vonk, Z. Galazka, S. Bin Anooz, A. Popp, C. Morales Sánchez, R. Sánchez-Barquilla, J. I. Flege
    Topic »Semiconductor materials (AM)«
    Talk, submitted

  • Determining oxidation state via Auger line shape analysis: Defect engineering of ALD-SnOx films for ambient H2 sensing
    R. Tschammer, D. Guttmann, C. Tiebe, K. Henkel, C. Morales, J. I. Flege
    Topic »Thin films and coatings (COAT)«
    Talk, submitted

  • Estimating peak fitting errors in XPS: Influence of line shape, mixing parameter, and noise on measurement uncertainty
    R. Tschammer, C. Morales, J. I. Flege
    Topic »Data analysis (DAT)«
    Poster, submitted

iCampus Cottbus Conference 2026 (iccc2026)
Sensorik, MEMS & KI als Schlüsselfaktoren im Strukturwandel
May, 5-7, 2026, Cottbus

  • Formation and role of the interface region in ultrathin metal oxide layers for resistive gas sensors
    C. Morales, R. Tschammer, D. Guttmann, K. Henkel, J. I. Flege, C. Alvarado, C. Wenger
    Poster, Wednesday, 06.05.2026, 4:30 pm
    Abstract

59. Jahrestreffen Deutscher Katalytiker
March, 18-20, 2026, Weimar

  • Operando DRIFTS Analysis of Ni/CeSmOx Catalysts for Low-Temperature CO2 Methanation 
    E. Charlafti, F. Rachow, S. Liu, R. Sánchez-Barquilla, J. I. Flege
    Poster B 18.23, Wednesday, 18.03.2026, 05:30 pm
    Abstract
  • CO2 methanation over Ni catalysts supported on CeO2 and CeSmOx: Insights from in-situ EXAFS and XANES analysis
    S. Liu, F. Rachow, R. Sánchez-Barquilla, C. Morales, E. Charlafti, J. I. Flege
    Poster 12.23, Wednesday, 18.03.2026, 05:30 pm
    Abstract

DPG Spring Meeting of the Condensed Matter Section
March, 8-13, 2026, Dresden

  • Rise and fall of 1T-TaS2 : Epitaxial growth of monolayer TaS2 on Au(111) 
    L. Buß, C. Sulaiman, R. Sánchez-Barquilla, I. Cojocariu, M. Szpytma, T. O. Menteş, A. Locatelli, J. Falta, J. I. Flege
    Part »O«, Topic »2D Materials beyond graphene: Growth, structure and substrate interaction«
    Talk O 10.3, Monday, 09.03.2026, 03:30 pm, HSZ/0204
    Abstract
    DPG Perma Link
  • Interface formation in ALD-based SnO2/CeOx heterostructures
    D. Guttmann, R. Tschammer, C. Morales, M. Kot, M. Mazur, D. Wojcieszak, P. Kapuscik, W. Kolodzinska, J. Domaradzki, J. I. Flege
    Part »DS«, Topic »Layer Deposition (ALD, MBE, Sputtering,...)«
    Talk DS 11.5, Wednesday, 11.03.2026, 10:45 am, REC/B214
    Abstract
    DPG Perma Link
  • X-Ray Absorption Near-Edge and Photoemission Spectroscopy of Deintercalation and Redox Reactions in Alluaudite-Type Na-Ion Cathodes
    N. Imam, K. Henkel, S. Werner, C. Pratsch, A. Milewska, J. Molenda, J. I. Flege, E. Zschech
    Part »CPP«, Topic »Energy Storage Materials and Devices«
    Talk CPP 16.4, Monday, 09.03.2026, 06:15 pm, ZEU/0260
    Abstract
    DPG Perma Link
  • Beyond U-Ce charge transfer: stabilization of Ce3+ states in epitaxial Ce1-xUxO2 films grown on Ru(0001)
    C. Morales, R. Tschammer, T. Gouder, H. Idriss, J. I. Flege
    Part »O«, Topic »Catalysis and surface reactions«
    Talk O 88.7, Thursday, 12.03.2026, 04:30 pm, TRE/MATH
    Abstract
    DPG Perma Link
  • Low-Temperature CO2 Methanation over Ni/Ce-Sm Oxide Catalysts 
    F. Rachow, S. Liu, E. Charlafti, R. Sánchez-Barquilla, J. I. Flege
    Part »O«, Topic »Catalysis and surface reactions«
    Talk O 88.9, Thursday, 12.03.2026, 05:00 pm, TRE/MATH
    Abstract
    DPG Perma Link
  • Heteroepitaxial growth of Sm2O3 nanoislands on Cu(111)
    B. Riedel, R. Sánchez-Barquilla, L. Buß, I. Cojocariu, T. O. Mentes, A. Locatelli, J. I. Flege
    Part »O«, Topic »Catalysis and surface reactions«
    Talk O 88.10, Thursday, 12.03.2026, 05:15 pm, TRE/MATH
    Abstract
    DPG Perma Link
  • From model to powder systems: Sm-doped ceria for CO2 conversion
    R. Sánchez-Barquilla, S. Liu, A. Contreras-Payares, P. G. Lustemberg, D. Guttmann, C. Morales, F. Rachow, V. Ganduglia-Pirovano, J. I. Flege
    Part »O«, Topic »Catalysis and surface reactions«
    Poster O 23.3, Monday, 09.03.2026, 06:00 pm, P2
    Abstract
    DPG Perma Link
  • Composition and band gap of aluminum alloyed beta-gallium oxide determined by XPS
    L. Schewe, J. Rehm, M.-C. Kao, V. Vonk, Z. Galazka, S. Bin Anooz, A. Popp, J. I. Flege
    Part »DS«, Topic »Thin Film Properties: Structure, Morphology and Composition (XRD, TEM, XPS, SIMS, RBS, AFM, ...)«
    Talk DS 9.5, Tuesday, 10.03.2026, 03:00 pm, REC/C213
    Abstract
    DPG Perma Link
  • Room-temperature H2 gas sensing in ultra-thin SnO2 films grown via atomic layer deposition
    R. Tschammer, D. Guttmann, C. Tiebe, K. Henkel, C. Morales, J. I. Flege
    Part »DS«, Topic »Thin Film Properties: Structure, Morphology and Composition (XRD, TEM, XPS, SIMS, RBS, AFM, ...)«
    Talk DS 9.4, Tuesday, 10.03.2026, 02:45 pm, REC/C213
    Abstract
    DPG Perma Link
  • Optimization of metal-doped M0.2Fe2.8O4/PEG nanocomposite for enhanced magnetic and relaxometric performance in MRI applications
    M. Abouhasswa, A. Al Shahawy, S. El Dek, M. Harfouche, N. Okasha, G. Aquilanti, N. Imam, J. I. Flege
    Part »MA«, Topic »Magnetism«
    Poster MA 7.76, Monday, 09.03.2026, 09:30 am, P2
    Abstract
    DPG Perma Link
  • TMDC surfaces as scattering targets in spin-polarization detectors: A case study of MoS2
    C. Angrick, A. Henriksen, N. Edossa, A. Reimann, M. Ewert, L. Buß, J. Falta, J. I. Flege, M. Donath
    Part »O«, Topic »2D Materials: Electronic structure, excitations, etc.«
    Talk O 84.6, Thursday, 12.03.2026, 04:15 pm, HSZ/0204
    DPG Perma Link
  • Synchrotron XAFS study of Fe3O4/Au core-shell nanoparticles for magnetic-plasmonic applications
    M. El-Masry, G. Aquilanti, M. Harfouche, N. Imam, J. I. Flege
    Part »MM«, Topic »Interface Cotrolled Properties, Nanomaterials and Microstructure Design (Experiment)«
    Poster MM 19.28, Tuesday, 10.03.2026, 06:00 pm, P5
    Abstract
    DPG Perma Link

  • Plasmonic Effects in a honeycomb metasurface of Ag Nanotriangles and Nanoholes
    P.-G. Nitsch, P. Oleynik, M. Ratzke, D. Stolarek, J. Schlipf, O. Skibitzki, R. Tschammer, C. Morales, J. I. Flege, C. Wenger, I. A. Fischer
    Part »O«, Topic »Plasmonics and nanooptics: Fabrication, characterization and applications«
    Talk O 96.6, Friday, 13.03.2026, 10:45 pm, HSZ/0403
    Abstract
    DPG Perma Link

39th Workshop on Chemistry and Physics of Novel Materials
February, 8-13, 2026, Schladming (Austria)

  • Et voilà: Samarium-Driven Vacancy Engineering in CeO2/Ru(0001) Inverse Catalysts
    J. I. Flege
    Session »Modern Trends in Catalysis, powered by MECS®«
    Invited Talk, Monday, 09.02.2026, 04.15 pm

SPIE Photonics West 
January, 17-22, 2026, San Francisco (USA)

  • ALD-engineered, conformal IGZO for next-generation electronics and optoelectronic applications
    C. Morales, P. Plate, L. Marth, F. Naumann, M. Kot, C. Janowitz, P. Kus, M. H. Zoellner, C. Wenger, K. Henkel, J. I. Flege
    Technical Conference 13897 »Oxide-based Materials and Devices XVII«
    Invited talk, Paper 13897-33, Tuesday, 20.01.2026, 3:00 pm
    Abstract
    Proceeding SPIE PC13897, Oxide-based Materials and Devices XVII, PC138970R (13 March 2026)
    Online (DOI)