Segregation effects of interstitial and substitutional elements at grain boundaries in ferritic iron and their effect on liquid metal embrittlement

Publications of Raquel Aymerich Armengol

Journal Article (13)

1.
Journal Article
Jiang, Y.; Aymerich Armengol, R.; Efthimiopoulos, I.; Rabe, M.; Mingers, A. M.; Cheng, N.; Breitbach, B.; Santra, S.; Streibel, V.; Sharp, I. D. et al.; Vogl, L. M.; Scheu, C.; Zhang, S.: Degradation Mechanisms of Rutile-Type TiO2 Photoanodes during Photoelectrochemical Water Splitting. Advanced Energy Materials (e06779) (2026)
2.
Journal Article
Jiang, Y.; Aymerich Armengol, R.; Efthimiopoulos, I.; Rabe, M.; Mingers, A. M.; Cheng, N.; Breitbach, B.; Santra, S.; Streibel, V.; Sharp, I. D. et al.; Vogl, L. M.; Scheu, C.; Zhang, S.: Degradation mechanisms of rutile-type TiO2 photoanodes during photoelectrochemical water splitting. ChemRxiv: the Preprint Server for Chemistry, 1221 (2025)
3.
Journal Article
Bellón Lara, B.; Bhaskar, L.; Brink, T.; Aymerich Armengol, R.; Sonawane, D.; Chatain, D.; Dehm, G.; Ramachandramoorthy, R.: High strain rate compressive deformation behavior of nickel microparticles. Materials Today 87, pp. 90 - 102 (2025)
4.
Journal Article
Onur, E.; Lee, J.; Aymerich Armengol, R.; Lim, J.; Dai, Y.; Tüysüz, H.; Scheu, C.; Weidenthaler, C.: Exploring the Effects of the Photochromic Response and Crystallization on the Local Structure of Noncrystalline Niobium Oxide. ACS Applied Materials & Interfaces 16 (19), pp. 25136 - 25147 (2024)
5.
Journal Article
Aymerich Armengol, R.; Vega-Paredes, M.; Wang, Z.; Mingers, A. M.; Camuti, L.; Kim, J.; Bae, J.; Efthimiopoulos, I.; Sahu, R.; Podjaski, F. et al.; Rabe, M.; Scheu, C.; Lim, J.; Zhang, S.: Operando Insights on the Degradation Mechanisms of Rhenium-Doped and Undoped Molybdenum Disulfide Nanocatalysts During Hydrogen Evolution Reaction and Open-Circuit Conditions. Advanced Functional Materials 35 (3), 2413720 (2024)
6.
Journal Article
Choi, J.; Yoo, S.; Koh, E. S.; Aymerich Armengol, R.; Scheu, C.; Fortunato, G. V.; Lanza, M. R. V.; Hwang, Y. J.; Ledendecker, M.: Unlocking the Potential of Sub-Nanometer Pd Catalysts for Electrochemical Hydrogen Peroxide Production. Advanced Materials Interfaces 10 (36), 2300647 (2023)
7.
Journal Article
López Freixes, M.; Zhou, X.; Aymerich Armengol, R.; Vega-Paredes, M.; Peguet, L.; Warner, T.; Gault, B.: Crack arrest markings in stress corrosion cracking of 7xxx aluminium alloys: Insights into active hydrogen embrittlement mechanisms. Scripta Materialia 237, 115690 (2023)
8.
Journal Article
Vega-Paredes, M.; Scheu, C.; Aymerich Armengol, R.: Expanding the Potential of Identical Location Scanning Transmission Electron Microscopy for Gas Evolving Reactions: Stability of Rhenium Molybdenum Disulfide Nanocatalysts for Hydrogen Evolution Reaction. ACS Applied Materials and Interfaces 15 (40), pp. 46895 - 46901 (2023)
9.
Journal Article
Vega-Paredes, M.; Aymerich Armengol, R.; Esteban Arenas, D.; Martí-Sánchez, S.; Bals, S.; Scheu, C.; Garzón-Manjón, A.: Electrochemical Stability of Rhodium–Platinum Core–Shell Nanoparticles: An Identical Location Scanning Transmission Electron Microscopy Study. ACS Nano 17 (17), pp. 16943 - 16951 (2023)
10.
Journal Article
Aymerich Armengol, R.; Cignoni, P.; Ebbinghaus, P.; Linnemann, J.; Rabe, M.; Tschulik, K.; Scheu, C.; Lim, J.: Mechanism of coupled phase/morphology transformation of 2D manganese oxides through Fe galvanic exchange reaction. Journal of Materials Chemistry A 10 (45), pp. 24190 - 24198 (2022)
11.
Journal Article
Aymerich Armengol, R.; Lim, J.; Ledendecker, M.; Hengge, K. A.; Scheu, C.: Correlation between the TiO2 encapsulation layer on Pt and its electrochemical behavior. Nanoscale Advances 3 (17), pp. 5075 - 5082 (2021)
12.
Journal Article
Lim, J.; Kim, S.-H.; Aymerich Armengol, R.; Kasian, O.; Choi, P.-P.; Stephenson, L.; Gault, B.; Scheu, C.: Atomic‐Scale Mapping of Impurities in Partially Reduced Hollow TiO2 Nanowires. Angewandte Chemie International Edition 59 (14), pp. 5651 - 5655 (2020)
13.
Journal Article
Joohyun Lim; Se-Ho Kim; Raquel Aymerich Armengol; Olga Kasian; Pyuck-Pa Choi; Leigh Stephenson; Baptiste Gault; Christina Scheu: Atomic-Scale Mapping of Impurities in Partially Reduced Hollow TiO2 Nanowires. Angewandte Chemie (deutsche Ausgabe) 132 (14), pp. 5700 - 5704 (2020)

Talk (14)

14.
Talk
Bellón Lara, B.; Bhaskar, L.; Sonawane, S.; Brink, T.; Aymerich Armengol, R.; Chatain, D.; Dehm, G.; Ramachandramoorthy, R.: Compression of dewetted Nickel microparticles at ultra-high strain rates. 19th European Mechanics of Materials Conference, Madrid, Spain (2024)
15.
Talk
Aymerich Armengol, R.: Techniques for the assessment of the stability of (sea) water splitting nanocatalysts. Korean Institute for Energy Research, Jeju, South Korea (2023)
16.
Talk
Vega-Paredes, M.; Aymerich Armengol, R.; Scheu, C.: Determining the degradation mechanisms and active species of electrocatalysts by identical location electron microscopy. NRF-DFG meeting “Electrodes for direct sea-water splitting and microstructure based stability analyses”, Korean Institute for Energy Research, Jeju, South Korea (2023)
17.
Talk
Aymerich Armengol, R.: Determination of the structural and electrochemical stability of nanocatalysts for electrolyzer applications. Chemistry Department, Kangwon National University, Chuncheon-si, South Korea (2023)
18.
Talk
Aymerich Armengol, R.: Understanding the stability of nanomaterials through electron microscopy techniques. Physics Department, Technical University of Denmark, Kongens Lyngby, Denmark (2023)
19.
Talk
Aymerich Armengol, R.: Stability of 2D oxide and chalcogenide nanomaterials under synthesis and application conditions. MRSEC Seminar Series, Northwestern University, Evanston, IL, USA (2023)
20.
Talk
Bellón Lara, B.; Bhaskar, L.; Sonawane, D.; Aymerich Armengol, R.; Brink, T.; Chatain, D.; Dehm, G.; Ramachandramoorthy, R.: Dynamic Cryo-Mechanical Properties of Dewetted Nickel Microparticles. TMS 2023 152nd Annual Meeting and Exhibition, San Diego, CA, USA (2023)

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