Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (50/50 displayed)

  • 2024Dynamics of early-stage oxide formation on a Ni-Cr-Mo alloy7citations
  • 2023Ex‐situ synchrotron X‐ray diffraction study of CO2 corrosion‐induced surface scales developed in low‐alloy steel with different initial microstructure4citations
  • 2023Ex‐situ synchrotron X‐ray diffraction study of CO2 corrosion‐induced surface scales developed in low‐alloy steel with different initial microstructure4citations
  • 2023In situ quantitative analysis of electrochemical oxide film development on metal surfaces using ambient pressure X-ray photoelectron spectroscopy : Industrial alloys16citations
  • 2023The causation of hydrogen embrittlement of duplex stainless steel : Phase instability of the austenite phase and ductile-to-brittle transition of the ferrite phase – Synergy between experiments and modelling27citations
  • 2023The Causation of Hydrogen Embrittlement of Duplex Stainless Steel: Phase Instability of the Austenite Phase and Ductile-to-Brittle Transition of the Ferrite Phase – Synergy between Experiments and Modelling27citations
  • 2023Synchrotron XPS and Electrochemical Study of Aging Effect on Passive Film of Ni Alloys21citations
  • 2023Anisotropic strain variations during the confined growth of Au nanowires2citations
  • 2022Thickness and composition of native oxides and near-surface regions of Ni superalloys53citations
  • 2022Thickness and composition of native oxides and near-surface regions of Ni superalloys53citations
  • 2022Hydrogen-Induced Micro-Strain Evolution in Super Duplex Stainless Steel—Correlative High-Energy X-Ray Diffraction, Electron Backscattered Diffraction, and Digital Image Correlation9citations
  • 2021Operando Reflectance Microscopy on Polycrystalline Surfaces in Thermal Catalysis, Electrocatalysis, and Corrosion17citations
  • 2020Structure of two-dimensional Fe3O416citations
  • 2020Structure of two-dimensional $Fe_{3}O_{4}$16citations
  • 2020Lateral Variation of the Native Passive Film on Super Duplex Stainless Steel Resolved by Synchrotron Hard X-Ray Photoelectron Emission Microscopy31citations
  • 2020Metastable Precursor Structures in Hydrogen-infused Super Duplex Stainless Steel Microstructure – An Operando Diffraction Experiment15citations
  • 2020Operando time- and space-resolved high-energy X-ray diffraction measurement to understand hydrogen-microstructure interactions in duplex stainless steel14citations
  • 2020Time-resolved Grazing-Incidence X-ray Diffraction Measurement to Understand the Effect of Hydrogen on Surface Strain Development in Super Duplex Stainless Steel9citations
  • 2019Influence of Surface Strain on Passive Film Formation of Duplex Stainless Steel and Its Degradation in Corrosive Environment20citations
  • 2019Observing growth under confinement8citations
  • 2019Redefining passivity breakdown of super duplex stainless steel by electrochemical operando synchrotron near surface X-ray analyses51citations
  • 2019Potential-Induced Pitting Corrosion of an $mathrm{IrO_{2}(110)-RuO_{2}(110)/Ru(0001)}$ Model Electrode under Oxygen Evolution Reaction Conditions52citations
  • 2019Surface oxide development on aluminum alloy 6063 during heat treatment7citations
  • 2019Characterization of native oxide and passive film on austenite/ferrite phases of duplex stainless steel using synchrotron haxpeem27citations
  • 2019Potential-Induced Pitting Corrosion of an IrO2(110)-RuO2(110)/Ru(0001) Model Electrode under Oxygen Evolution Reaction Conditions52citations
  • 2018The Role of Oxides in Catalytic CO Oxidation over Rhodium and Palladium83citations
  • 2017Structure of the SnO2(110)-(4 x 1) Surface28citations
  • 2017Redox behavior of iron at the surface of an $mathrm{Fe_{0.01}Mg_{0.99}O(100)}$ single crystal studied by ambient-pressure photoelectron spectroscopy13citations
  • 2017Integration of electrochemical and synchrotron-based X-ray techniques for in-situ investigation of aluminum anodization22citations
  • 2017Structure of the SnO2(110)-(4 × 1) surface28citations
  • 2017Anodization of Al(100), Al(111) and Al Alloy 6063 studied in situ with X-ray reflectivity and electrochemical impedance spectroscopy22citations
  • 2017Novel in Situ Techniques for Studies of Model Catalysts47citations
  • 2017Structure of the SnO2 (110)- (4×1) Surface28citations
  • 20162D and 3D imaging of the gas phase close to an operating model catalyst by planar laser induced fluorescence40citations
  • 2015X-ray photoemission analysis of clean and carbon monoxide-chemisorbed platinum(111) stepped surfaces using a curved crystal.56citations
  • 2015Surface morphology of Au-free grown nanowires after native oxide removal.12citations
  • 2013Interface characterization of metal-HfO2-InAs gate stacks using hard x-ray photoemission spectroscopycitations
  • 2012One-Dimensional Corrugation of the h-BN Monolayer on Fe(110)70citations
  • 2012Surface composition of clean and oxidized Pd75Ag25(100) from photoelectron spectroscopy and density functional theory calculations35citations
  • 2012Formation and Structure of Graphene Waves on Fe(110)128citations
  • 2012Bulk and surface characterization of In2O3(001) single crystals75citations
  • 2011Oxidation and reduction of Pd(100) and aerosol-deposited Pd nanoparticles81citations
  • 2009Lack of surface oxide layers and facile bulk oxide formation on Pd(110)46citations
  • 2009Photoemission electron microscopy using extreme ultraviolet attosecond pulse trains78citations
  • 2007Real time observation of ultrathin epitaxial oxide growth during alloy oxidation10citations
  • 2005Cross-sectional scanning tunneling microscopy studies of novel III-V semiconductor structures22citations
  • 2004Co on Mo(110) studied by scanning tunneling microscopy18citations
  • 2002A misfit structure in the Co/Pt(111) system studied by scanning tunnelling microscopy and embedded atom method calculations15citations
  • 2002Structural properties of LT-GaAs(100) and GaMnAs(100) surfaces studied by scanning tunneling microscopycitations
  • 2002Magnetic anisotropy of ultrathin cobalt films on Pt(111) investigated with x-ray diffraction: Effect of atomic mixing at the interface38citations

Places of action

Chart of shared publication
Appelfeller, Stephan
1 / 5 shared
Preobrajenski, Alexei
6 / 12 shared
Yue, Xiaoqi
2 / 6 shared
Over, Herbert
4 / 5 shared
Larsson, Alfred
13 / 15 shared
Grespi, Andrea
3 / 3 shared
Pan, Jinshan
16 / 37 shared
Generalov, Alexander
1 / 5 shared
Koller, Volkmar
1 / 1 shared
Eidhagen, Josefin
5 / 5 shared
Gericke, Sabrina
1 / 1 shared
Frampton, Eleanor
1 / 2 shared
Carlà, Francesco
8 / 13 shared
Abbondanza, Giuseppe
6 / 7 shared
Bartawi, Emad Hasan
2 / 10 shared
Gupta, Kapil Kumar
2 / 10 shared
Ambat, Rajan
2 / 142 shared
Haratian, Saber
1 / 9 shared
Scardamaglia, Mattia
1 / 5 shared
Delblanc, Anna
4 / 4 shared
Simonov, Konstantin
1 / 6 shared
Shavorskiy, Andrey
1 / 6 shared
Tang, Huajie
1 / 1 shared
Engelberg, Dirk L.
1 / 2 shared
Mansoor, Mubashir
2 / 5 shared
Harlow, Gary S.
6 / 8 shared
Kroll, Robin
4 / 7 shared
Hussain, Hadeel
4 / 11 shared
Örnek, Cem
8 / 15 shared
Derin, Bora
2 / 7 shared
Kivisäkk, Ulf
8 / 13 shared
Zhang, Fan
8 / 30 shared
Engelberg, Dl
3 / 90 shared
Lienert, Ulrich
5 / 29 shared
Blankenburg, Malte
1 / 26 shared
Glatthaar, Lorena
1 / 1 shared
Weber, Tim
3 / 4 shared
Hegedues, Zoltan
1 / 9 shared
Dacunto, Giulio
2 / 11 shared
Merte, Lindsay R.
8 / 12 shared
Hegedüs, Zoltan
1 / 4 shared
Vorobyova, Mariya
2 / 2 shared
Hegedus, Zoltan
1 / 1 shared
Müller, Timo
1 / 6 shared
Keller, Thomas F.
2 / 24 shared
Jeromin, Arno
1 / 9 shared
Şeşen, Bilgehan M.
1 / 1 shared
Långberg, Marie
5 / 9 shared
Pfaff, Sebastian
1 / 1 shared
Rämisch, Lisa
1 / 1 shared
Zetterberg, Johan
3 / 3 shared
Linpé, Weronica
3 / 3 shared
Gericke, Sabrina M.
1 / 1 shared
Orlov, Dmytro
1 / 41 shared
Bertram, Florian
8 / 32 shared
Zhang, Chu
8 / 8 shared
Olsson, Pär A. T.
2 / 13 shared
Shipilin, Mikhail
9 / 12 shared
Grönbeck, Henrik
2 / 8 shared
Gustafson, Johan
14 / 17 shared
Merte, Lindsay Richard
1 / 2 shared
Wiemann, Carsten
2 / 7 shared
Noei, Heshmat
1 / 20 shared
Langberg, Marie
1 / 1 shared
Liu, Min
1 / 3 shared
Oernek, Cem
1 / 3 shared
Stierle, Andreas
4 / 28 shared
Kivisaekk, Ulf
1 / 1 shared
Gloskovskii, Andrei
1 / 19 shared
Cheng, Jie
2 / 3 shared
Schlueter, Christoph
1 / 19 shared
Lindell, David
1 / 4 shared
Kulkarni, Satishkumar
2 / 7 shared
Graanaes, Elin
1 / 1 shared
Hwang, Ki-Hwan
1 / 2 shared
Mueller, Timo
1 / 4 shared
Harlow, Gary
3 / 3 shared
Evertsson, Jonas
8 / 9 shared
Rullik, Lisa
5 / 7 shared
Felici, Roberto
2 / 9 shared
Persson, Axel R.
1 / 11 shared
Lipé, Weronica
1 / 1 shared
Wallenberg, Reine
1 / 34 shared
Drnec, Jakub
1 / 15 shared
Vinogradov, Nikolay
3 / 7 shared
Wiegmann, Tim
1 / 3 shared
Bettini, Eleonora
1 / 6 shared
Pfrommer, Johannes
2 / 2 shared
Vonk, Vedran
2 / 14 shared
Carla, Francesco
3 / 8 shared
Rohnke, Marcus
2 / 25 shared
Herd, Benjamin
2 / 2 shared
Znaiguia, Raja
2 / 2 shared
Abb, Marcel
1 / 1 shared
Khalid, Omeir
2 / 2 shared
Lakner, Pirmin
1 / 4 shared
Volkov, Sergey
2 / 8 shared
Mikkelsen, Anders
10 / 44 shared
Nilsson, Janolov
1 / 1 shared
Johansson, Niclas
1 / 7 shared
Zakharov, Alexei A.
1 / 7 shared
Långberg, M.
1 / 1 shared
Lindell, D.
1 / 2 shared
Kivisäkk, U.
1 / 2 shared
Stierle, A.
2 / 9 shared
Gloskovskii, A.
1 / 15 shared
Örnek, C.
1 / 4 shared
Liu, M.
1 / 12 shared
Zhang, F.
1 / 30 shared
Grånäs, E.
1 / 1 shared
Noei, H.
1 / 11 shared
Keller, T. F.
1 / 1 shared
Matveyev, Y.
1 / 1 shared
Abb, Marcel J. S.
1 / 1 shared
Lakner, Pirmin H.
1 / 1 shared
Crumlin, Ethan J.
1 / 2 shared
Jankowski, Maciej
1 / 5 shared
Schaefer, Andreas
4 / 6 shared
Carlsson, Per Anders
1 / 1 shared
Martin, Natalia M.
1 / 6 shared
Hagman, Benjamin
1 / 2 shared
Balmes, Olivier
1 / 5 shared
Nicklin, Chris
2 / 4 shared
Rawle, Jonathan
3 / 6 shared
Lindsay, Robert
3 / 15 shared
Hammer, Bjørk
2 / 3 shared
Pussi, Katariina
3 / 8 shared
Merte, Lr
1 / 1 shared
Jørgensen, Mathias S.
3 / 3 shared
Thornton, Geoff
2 / 6 shared
Nicklin, Christopher
1 / 2 shared
Hammer, Bjork
1 / 1 shared
Blomberg, Sara
5 / 5 shared
Hejral, Uta
1 / 8 shared
Zhou, Jianfeng
2 / 2 shared
Lobo-Checa, Jorge
1 / 12 shared
Schiller, Frederik
1 / 16 shared
Walter, Andrew L.
1 / 4 shared
Brión-Ríos, Anto N. X.
1 / 1 shared
Sánchez-Portal, Daniel
1 / 9 shared
Merte, Lindsay
1 / 1 shared
Ortega, J. Enrique
1 / 14 shared
Corso, Martina
1 / 10 shared
Cabrera-Sanfelix, Pepa
1 / 1 shared
Mandl, Bernhard
1 / 5 shared
Hjort, Martin
1 / 9 shared
Knutsson, Johan
1 / 3 shared
Timm, Rainer
2 / 28 shared
Deppert, Knut
2 / 41 shared
Lind, Erik
1 / 23 shared
Wernersson, Lars-Erik
1 / 18 shared
Castro, G. R.
1 / 3 shared
Rubio-Zuazo, J.
1 / 8 shared
Persson, Olof
1 / 1 shared
Zakharov, Alexei
3 / 19 shared
Ng, May Ling
1 / 2 shared
Martensson, N.
1 / 3 shared
Farstad, M. H.
1 / 3 shared
Schulte, Karina
2 / 11 shared
Fernandes, V. R.
1 / 2 shared
Gronbeck, H.
1 / 2 shared
Andersen, Jesper N.
5 / 15 shared
Walle, L. E.
1 / 2 shared
Borg, A.
1 / 4 shared
Rusz, J.
1 / 2 shared
Simonov, K. A.
1 / 2 shared
Eriksson, O.
1 / 13 shared
Mårtensson, Nils
1 / 6 shared
Vinogradov, A. S.
1 / 3 shared
Kocevski, V.
1 / 1 shared
Hagleitner, Daniel R.
1 / 1 shared
Puls, Christoph
1 / 1 shared
Diebold, Ulrike
1 / 4 shared
Fleig, Juergen
1 / 3 shared
Hutter, Herbert
1 / 3 shared
Kubel, Frank
1 / 1 shared
Jacobson, Peter
1 / 1 shared
Menhart, Manfred
1 / 1 shared
Kubicek, Markus
1 / 7 shared
Schmid, Michael
1 / 9 shared
Limbeck, Andreas
1 / 5 shared
Boatner, Lynn A.
1 / 2 shared
Westerström, Rasmus
2 / 7 shared
Bluhm, H.
1 / 5 shared
Grass, M. E.
1 / 1 shared
Messing, Maria
1 / 8 shared
Hellman, A.
1 / 3 shared
Liu, Z.
1 / 46 shared
Groenbeck, H.
1 / 1 shared
Haevecker, M.
1 / 1 shared
Balmes, O.
1 / 2 shared
Martin, Natalia
1 / 1 shared
Van Rijn, R.
1 / 1 shared
Weststrate, C. J.
1 / 5 shared
Kresse, G.
2 / 5 shared
Mittendorfer, F.
1 / 1 shared
Seriani, N.
1 / 3 shared
Schnadt, Joachim
1 / 18 shared
Schwenke, Jörg
1 / 3 shared
Anttu, Nicklas
1 / 5 shared
Fordell, Thomas
1 / 1 shared
Klünder, Kathrin
1 / 1 shared
Xu, Hongqi
1 / 3 shared
Hilner, Emelie
1 / 1 shared
Luo, Gang
1 / 2 shared
Lhuillier, Anne
1 / 4 shared
Mauritsson, Johan
1 / 2 shared
Streitel, R.
1 / 1 shared
Franchy, R.
1 / 12 shared
Vlad, A.
1 / 6 shared
Nolte, P.
1 / 1 shared
Dosch, H.
1 / 5 shared
Marsman, M.
1 / 1 shared
Costina, I.
1 / 4 shared
Ouattara, Lassana
1 / 4 shared
Schmid, M.
1 / 10 shared
Varga, P.
1 / 8 shared
Leonardelli, G.
1 / 1 shared
Sadowski, Janusz
1 / 21 shared
Ferrer, S.
1 / 2 shared
Quiros, C.
1 / 2 shared
Isern, H.
1 / 2 shared
Robach, O.
1 / 4 shared
Steadman, P.
1 / 3 shared
Alvarez, J.
1 / 15 shared
Peters, Kf
1 / 1 shared
Chart of publication period
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2013
2012
2011
2009
2007
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2004
2002

Co-Authors (by relevance)

  • Appelfeller, Stephan
  • Preobrajenski, Alexei
  • Yue, Xiaoqi
  • Over, Herbert
  • Larsson, Alfred
  • Grespi, Andrea
  • Pan, Jinshan
  • Generalov, Alexander
  • Koller, Volkmar
  • Eidhagen, Josefin
  • Gericke, Sabrina
  • Frampton, Eleanor
  • Carlà, Francesco
  • Abbondanza, Giuseppe
  • Bartawi, Emad Hasan
  • Gupta, Kapil Kumar
  • Ambat, Rajan
  • Haratian, Saber
  • Scardamaglia, Mattia
  • Delblanc, Anna
  • Simonov, Konstantin
  • Shavorskiy, Andrey
  • Tang, Huajie
  • Engelberg, Dirk L.
  • Mansoor, Mubashir
  • Harlow, Gary S.
  • Kroll, Robin
  • Hussain, Hadeel
  • Örnek, Cem
  • Derin, Bora
  • Kivisäkk, Ulf
  • Zhang, Fan
  • Engelberg, Dl
  • Lienert, Ulrich
  • Blankenburg, Malte
  • Glatthaar, Lorena
  • Weber, Tim
  • Hegedues, Zoltan
  • Dacunto, Giulio
  • Merte, Lindsay R.
  • Hegedüs, Zoltan
  • Vorobyova, Mariya
  • Hegedus, Zoltan
  • Müller, Timo
  • Keller, Thomas F.
  • Jeromin, Arno
  • Şeşen, Bilgehan M.
  • Långberg, Marie
  • Pfaff, Sebastian
  • Rämisch, Lisa
  • Zetterberg, Johan
  • Linpé, Weronica
  • Gericke, Sabrina M.
  • Orlov, Dmytro
  • Bertram, Florian
  • Zhang, Chu
  • Olsson, Pär A. T.
  • Shipilin, Mikhail
  • Grönbeck, Henrik
  • Gustafson, Johan
  • Merte, Lindsay Richard
  • Wiemann, Carsten
  • Noei, Heshmat
  • Langberg, Marie
  • Liu, Min
  • Oernek, Cem
  • Stierle, Andreas
  • Kivisaekk, Ulf
  • Gloskovskii, Andrei
  • Cheng, Jie
  • Schlueter, Christoph
  • Lindell, David
  • Kulkarni, Satishkumar
  • Graanaes, Elin
  • Hwang, Ki-Hwan
  • Mueller, Timo
  • Harlow, Gary
  • Evertsson, Jonas
  • Rullik, Lisa
  • Felici, Roberto
  • Persson, Axel R.
  • Lipé, Weronica
  • Wallenberg, Reine
  • Drnec, Jakub
  • Vinogradov, Nikolay
  • Wiegmann, Tim
  • Bettini, Eleonora
  • Pfrommer, Johannes
  • Vonk, Vedran
  • Carla, Francesco
  • Rohnke, Marcus
  • Herd, Benjamin
  • Znaiguia, Raja
  • Abb, Marcel
  • Khalid, Omeir
  • Lakner, Pirmin
  • Volkov, Sergey
  • Mikkelsen, Anders
  • Nilsson, Janolov
  • Johansson, Niclas
  • Zakharov, Alexei A.
  • Långberg, M.
  • Lindell, D.
  • Kivisäkk, U.
  • Stierle, A.
  • Gloskovskii, A.
  • Örnek, C.
  • Liu, M.
  • Zhang, F.
  • Grånäs, E.
  • Noei, H.
  • Keller, T. F.
  • Matveyev, Y.
  • Abb, Marcel J. S.
  • Lakner, Pirmin H.
  • Crumlin, Ethan J.
  • Jankowski, Maciej
  • Schaefer, Andreas
  • Carlsson, Per Anders
  • Martin, Natalia M.
  • Hagman, Benjamin
  • Balmes, Olivier
  • Nicklin, Chris
  • Rawle, Jonathan
  • Lindsay, Robert
  • Hammer, Bjørk
  • Pussi, Katariina
  • Merte, Lr
  • Jørgensen, Mathias S.
  • Thornton, Geoff
  • Nicklin, Christopher
  • Hammer, Bjork
  • Blomberg, Sara
  • Hejral, Uta
  • Zhou, Jianfeng
  • Lobo-Checa, Jorge
  • Schiller, Frederik
  • Walter, Andrew L.
  • Brión-Ríos, Anto N. X.
  • Sánchez-Portal, Daniel
  • Merte, Lindsay
  • Ortega, J. Enrique
  • Corso, Martina
  • Cabrera-Sanfelix, Pepa
  • Mandl, Bernhard
  • Hjort, Martin
  • Knutsson, Johan
  • Timm, Rainer
  • Deppert, Knut
  • Lind, Erik
  • Wernersson, Lars-Erik
  • Castro, G. R.
  • Rubio-Zuazo, J.
  • Persson, Olof
  • Zakharov, Alexei
  • Ng, May Ling
  • Martensson, N.
  • Farstad, M. H.
  • Schulte, Karina
  • Fernandes, V. R.
  • Gronbeck, H.
  • Andersen, Jesper N.
  • Walle, L. E.
  • Borg, A.
  • Rusz, J.
  • Simonov, K. A.
  • Eriksson, O.
  • Mårtensson, Nils
  • Vinogradov, A. S.
  • Kocevski, V.
  • Hagleitner, Daniel R.
  • Puls, Christoph
  • Diebold, Ulrike
  • Fleig, Juergen
  • Hutter, Herbert
  • Kubel, Frank
  • Jacobson, Peter
  • Menhart, Manfred
  • Kubicek, Markus
  • Schmid, Michael
  • Limbeck, Andreas
  • Boatner, Lynn A.
  • Westerström, Rasmus
  • Bluhm, H.
  • Grass, M. E.
  • Messing, Maria
  • Hellman, A.
  • Liu, Z.
  • Groenbeck, H.
  • Haevecker, M.
  • Balmes, O.
  • Martin, Natalia
  • Van Rijn, R.
  • Weststrate, C. J.
  • Kresse, G.
  • Mittendorfer, F.
  • Seriani, N.
  • Schnadt, Joachim
  • Schwenke, Jörg
  • Anttu, Nicklas
  • Fordell, Thomas
  • Klünder, Kathrin
  • Xu, Hongqi
  • Hilner, Emelie
  • Luo, Gang
  • Lhuillier, Anne
  • Mauritsson, Johan
  • Streitel, R.
  • Franchy, R.
  • Vlad, A.
  • Nolte, P.
  • Dosch, H.
  • Marsman, M.
  • Costina, I.
  • Ouattara, Lassana
  • Schmid, M.
  • Varga, P.
  • Leonardelli, G.
  • Sadowski, Janusz
  • Ferrer, S.
  • Quiros, C.
  • Isern, H.
  • Robach, O.
  • Steadman, P.
  • Alvarez, J.
  • Peters, Kf
OrganizationsLocationPeople

article

Operando Reflectance Microscopy on Polycrystalline Surfaces in Thermal Catalysis, Electrocatalysis, and Corrosion

  • Lundgren, Edvin
  • Pfaff, Sebastian
  • Rämisch, Lisa
  • Harlow, Gary S.
  • Abbondanza, Giuseppe
  • Zetterberg, Johan
  • Larsson, Alfred
  • Linpé, Weronica
  • Gericke, Sabrina M.
  • Orlov, Dmytro
Abstract

We have developed a microscope with a spatial resolution of 5 μm, which can be used to image the two-dimensional surface optical reflectance (2D-SOR) of polycrystalline samples in operando conditions. Within the field of surface science, operando tools that give information about the surface structure or chemistry of a sample under realistic experimental conditions have proven to be very valuable to understand the intrinsic reaction mechanisms in thermal catalysis, electrocatalysis, and corrosion science. To study heterogeneous surfaces in situ, the experimental technique must both have spatial resolution and be able to probe through gas or electrolyte. Traditional electron-based surface science techniques are difficult to use under high gas pressure conditions or in an electrolyte due to the short mean free path of electrons. Since it uses visible light, SOR can easily be used under high gas pressure conditions and in the presence of an electrolyte. In this work, we use SOR in combination with a light microscope to gain information about the surface under realistic experimental conditions. We demonstrate this by studying the different grains of three polycrystalline samples: Pd during CO oxidation, Au in electrocatalysis, and duplex stainless steel in corrosion. Optical light-based techniques such as SOR could prove to be a good alternative or addition to more complicated techniques in improving our understanding of complex polycrystalline surfaces with operando measurements.

Topics
  • surface
  • grain
  • stainless steel
  • corrosion
  • two-dimensional
  • microscopy