MikroSystemTechnik Kongress 2025
October, 27-29, 2025, Duisburg

Bottom-up strategy to develop ultrathin active layers by atomic layer deposition for room temperature hydrogen sensors compatible with CMOS technology
C. Morales, R. Tschammer, D. Guttmann, C. Alvarado Chavarin, C. Ruffert, K. Henkel, C. Wenger, J. I. Flege
Poster, submited

25th International Conference on Atomic Layer Deposition (ALD 2025)
June, 22-25, 2024, Jeju Island (South Korea)

• In-situ X-ray photoelectron spectroscopy for determining oxidation state, composition, and morphology of ALD-based CeO_x, SnO_x, and Ce_1-xSn_xO_y deposits
  R. Tschammer, D. Guttman, M. Schmickler, A. Devi, K. Henkel, C. Morales, J. I. Flege
  Symposium »ALD Fundamentals« Session »Analysis«
  Talk AF1-TuA-8,  Tuesday, 26.06.2025, 03:15 pm
  Abstract

10^th International Conference on Spectroscopic Ellipsometry (ICSE-10)
June 8-13, 2025, Boulder (USA)

• Decoupling optical constants and morphology via in-situ X-ray photoelectron spectroscopy
  R. Tschammer, S. Peters, K. Henkel, C. Morales, J. I. Flege
  Talk, submitted

Annual Meeting on Reaction Engineering 2025
May, 26-28, 2025, Würzburg

• Experimental and Numerical Analysis of Catalyst Form Influence on CO₂-Methanation Reactor Performance
  E. Charlafti, F. Rachow, S. Liu, P. Bhattarai, V. Günther, R. Rakhi, F. Mauss, J. I. Flege
  Topic »Modeling and Diagnostics across Scales«
  Poster 52932, Monday, 26.05.2025, 05:30 m
  Abstract

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Sensor and Measurement Science International (SMSI 2025)
May, 6-8, 2025, Nuremberg

• In-Situ and Operando Measurements for the Characterization of Next-Generation Sensor Materials
  R. Tschammer, D. Guttmann, C. Morales, C. Tiebe, K. Henkel, J. I. Flege
  Poster, Wednesday, 07.05. 2025, 03:30 pm
  Abstract

ACS Spring Meeting 2025
March, 23-27, 2025, San Diego (USA)

• Growth dynamics and in-situ chemical reactivity for CO₂ activation in Sm-doped cerium oxide inverse catalytic model systems
  R. Sánchez-Barquilla, E. Pozarowska, B. Riedel, L. Pleines, L. Buß, T. O. Menteş, I. Cojocariu, A. Locatelli, V. Pérez-Dieste, J. Falta, C. Morales, J. I. Flege
  Invited Talk, Monday, 24.03.2025
  Abstract

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DPG Spring Meeting of the Condensed Matter Section
March, 16-21, 2025, Regensburg

• Hexagons on Rectangles: Epitaxial Graphene on Ru(\(10\bar{1}0\))
  L. Buß, G. Zamborlini, C. Sulaiman, M. Ewert, M. Cinchetti, J. Falta, J. I. Flege
  Part »O«, Topic »Graphene: Growth, structure and substrate interaction«
  Poster O 33.21, Tuesday, 18.03.2025, 01:30 pm, P3
  Abstract
  DPG Perma Link

• Electron-transparent free-standing ultrathin membranes for studying gas-solid and liquid-solid interfaces at high pressures
  M. Gertig, C. Morales, A. Schubert, C. Alvarado, C. Wenger, J. I. Flege
  Part »DS«, Topic »Thin Film Applications«

  Talk DS 6.2, Wednesday, 19.03.2025, 09:45 pm, H3
  Abstract
  DPG Perma Link

• Oxide growth and oxide/metal interaction in CeO_x/Ni(111)
  D. Guttmann, R. Sánchez-Barquilla, C. Morales, J. I. Flege
  Part »O«, Topic »Heterogeneous catalysis«
  Talk O 41.1, Tuesday, 18.03.2025, 02:00 pm, H8
  Abstract
  DPG Perma Link

• XPS study of redox mechanism in Na_2.5-xFe_1.75(SO₄)₃ cathode material for high-voltage sodium-ion batteries
  N. Imam, K. Henkel,  A. Milewska, J. Molenda, E. Zschech, J. I. Flege
  Part »CPP«, Topic »Energy Storage and Batteries«
  Talk CPP 16.3, Tuesday, 18.03.2025, 10:15 am, H34
  Abstract
  DPG Perma Link

• Ultrathin NiO(100) films on Ag(100): Pitfalls in under-standing growth using intensity-voltage low-energy electron diffraction
  J. Lachnitt, S. Das, K. S. R. Menon, J. I. Flege
  Part »O«, Topic »Metal substrates: Structure, epitaxy and growth«
  Talk O 89.11, Thursday, 20.03.2025, 05:30 pm, H8
  Abstract
  DPG Perma Link

• U-Ce charge transfer in epitaxial Ce_1-xU_xO₂ films grown on Ru(0001): consequences for thermochemical water splitting
  C. Morales, R. Tschammer, T. Gouder, H. Idriss, J. I. Flege
  Part »O«, Topic »Heterogeneous catalysis«
  Talk O 32.7, Tuesday, 18.03.2025, 12:00 am, H25
  Abstract
  DPG Perma Link

• Structural and chemical analysis of coexisting hexagoal and monoclinic phases of samarium oxide on Cu(111)
  B. Riedel, L. Buss, R. Sanchez-Barquilla, J. I. Flege
  Part »O«, Topic »Heterogeneous catalysis«
  Talk O 32.2, Tuesday, 18.03.2025, 10:45 am, H25
  Abstract
  DPG Perma Link

• Reducibility of Sm-doped ceria islands on Ru(0001)
  R. Sanchez-Barquilla, R. Tschammer, L. Buss, C. Morales, J. I. Flege
  Part »O«, Topic »Heterogeneous catalysis«

  Talk O 81.6, Thursday, 20.03.2025, 11:45 am, H6
  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 »O«, Topic »Electronic structure of surfaces: Spectroscopy, surface states«

  Talk O 86.8, Thursday, 20.03.2025, 04:45 pm, H2
  Abstract
  DPG Perma Link

• In-situ growth and characterization of 2D TaSe₂ on Au(111)
  C. Sulaiman, L. Buß, R. Sánchez-Barquilla, J. Falta, J. I. Flege
  Part »O«, Topic » 2D Materials beyond graphene: Growth, structure and substrate interaction«
  Talk O 14.11, Monday, 17.03.2025, 05:30 pm, H11
  Abstract
  DPG Perma Link

• In-situ and operando characterization of atomic layer deposited SnO₂ and SnO₂/CeO₂ heterostructures for gas sensing applications
  R. Tschammer, C. Morales, K. Henkel, J. I. Flege
  Part »DS«, Topic »Thin Film Properties: Structure, Morphology and Composition (XRD, TEM, XPS, SIMS, RBS, AFM, ...)«
  Talk DS 1.2, Monday, 17.03.2025, 09:45 am, H 3
  Abstract
  DPG Perma Link

58. Jahrestreffen Deutscher Katalytiker
March, 12-14, 2025, Weimar

• CO₂ methanation over Ni catalysts supported on CeO₂ and CeSmO_x: the influence of Sm addition
  S. Liu, F. Rachow, E. Charlafti, R. Sánchez-Barquilla, J. I. Flege, L. M. Gómez-Sainero, V. Cortés
  Topic: »CO₂ as Building Block«
  Poster P12.01, Thursday, 13.03.2025, 02:30 pm
  Abstract