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Spectroscopy Highlights

research highlight pic morales 2025
© 2025 The Author(s). Published by IOP Publishing Ltd.
Spectroscopy|

Stabilization of Ce³⁺ cations via U–Ce charge transfer in mixed oxides: consequences on the thermochemical water splitting to hydrogen

Carlos Morales, Rudi Tschammer, Thomas Gouder, YongMan Choi, Dalaver Anjum, Aman Baunthiyal, Jon-Olaf Krisponeit, Jens Falta, Jan Ingo Flege, Hicham Idriss

J. Phys. Energy 7 (2025): 025012

https://doi.org/10.1088/2515-7655/adbad9

The work's objective is to enhance the generation of H2 via the…

Towards coupling agent-free composites made from regenerated cellulose/HDPE by UV radiation-induced cross-linking pic
© 2025 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group
Spectroscopy|

Towards coupling agent-free composites made from regenerated cellulose/HDPE by UV radiation-induced cross-linking

Raja Bade, Beate Gebert, Larisa Tsarkova, Thomas Bahners, Jochen S. Gutmann, Dietmar Koch, M. Mangir Murshed, Jörg Müssig

Composite Interfaces (2025): 1-21

https://doi.org/10.1080/09276440.2024.2448883

This research aims to enhance fibre-matrix adhesion in bio-based fibre-reinforced polyolefins…

Hexagons on rectangles: Epitaxial graphene on Ru pic
© 2025 The Authors. Published by Elsevier Ltd.
Spectroscopy| Surface Analytics|

Hexagons on rectangles: Epitaxial graphene on Ru(1010)

Lars Buß, Giovanni Zamborlini, Cathy Sulaiman, Moritz Ewert, Mirko Cinchetti, Jens Falta, Jan Ingo Flege

Carbon 231 (2025): 119600

https://doi.org/10.1016/j.carbon.2024.119600

Ruthenium is emerging as a promising candidate to replace copper in highly integrated electronics by enabling barrierless…

Plagioclase feldspars (Ca1-xNa x )(Al2-xSi2+x)O8: synthesis and characterizations of mechanical weathering relevant to Martian regolith pic
© 2024 Walter de Gruyter GmbH, Berlin/Boston
X-Ray Diffraction| Spectroscopy| Electron Microscopy|

Plagioclase feldspars (Ca₁₋ₓNaₓ)(Al₂₋ₓSi₂₊ₓ)O₈: synthesis and characterizations of mechanical weathering relevant to Martian regolith

Izzuddin Jundullah Hanafi, Mohammad Mangir Murshed, Lars Robben, Thorsten M. Gesing

Zeitschrift Für Kristallographie - Crystalline Materials (2024)

https://doi.org/10.1515/zkri-2024-0117

Plagioclase feldspars draw intensive research attention in planetary sciences because of their abundance in…

Synthesis, structural and spectroscopic characterization of defect-rich forsterite as a representative phase of Martian regolith pic
© This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence
Materials Modelling| X-Ray Diffraction| Spectroscopy|

Synthesis, structural and spectroscopic characterization of defect-rich forsterite as a representative phase of Martian regolith

Muchammad Izzuddin Jundullah Hanafi, Lorenzo Bastonero, Mohammad Mangir Murshed, Lars Robben, Wilke Dononelli, Andrea Kirsch, Nicola Marzari, Thorsten M. Gesing

IUCrJ 11 (2024): 977-990

https://doi.org/10.1107/S2052252524009722

Regolith draws intensive research attention because of its importance…

Mechanochemical synthesis of (Mg1−xFe x )2SiO4 olivine phases relevant to Martian regolith: structural and spectroscopic characterizations article picture
© 2024 Walter de Gruyter GmbH, Berlin/Boston
X-Ray Diffraction| Spectroscopy|

Mechanochemical synthesis of (Mg₁₋ₓFeₓ)₂SiO₄ olivine phases relevant to Martian regolith: structural and spectroscopic characterizations

Izzuddin Jundullah Hanafi, M. Mangir Murshed, Lars Robben, Thorsten M. Gesing

Zeitschrift für Kristallographie - Crystalline Materials (2024)

https://doi.org/10.1515/zkri-2024-0078

To fabricate metals from the base materials for future Mars exploration, synthesis of representative olivine phases…

Synthesis, characterization and structure-property relations in mullite-type Pb2(Pb1−xSn x )O4 solid solution article pic
© 2024 Walter de Gruyter GmbH, Berlin/Boston
Materials Modelling| X-Ray Diffraction| Spectroscopy|

Synthesis, characterization and structure-property relations in mullite-type Pb₂(Pb₁₋ₓSnₓ)O₄ solid solution

Christopher S. Reuter, M. Mangir Murshed, Michael Fischer, Thorsten. M. Gesing 

Zeitschrift für Kristallographie - Crystalline Materials (2024)

https://doi.org/10.1515/zkri-2024-0088

The crystal structures of both Pb2PbO4 (Pb3O4) and Pb2SnO4 at room temperature can be described using mullite-type…

Broadening the Realm of Nanoporous Gold Catalysts: Preparation and Properties When Emanating from AuCu as Parent Alloy article picture
© 2024 The Authors. ChemCatChem published by Wiley-VCH GmbH
X-Ray Diffraction| Spectroscopy| Electron Microscopy|

Broadening the Realm of Nanoporous Gold Catalysts: Preparation and Properties When Emanating from AuCu as Parent Alloy

Jorge Adrian Tapia Burgos, Christoph Mahr, Alex Ricardo Silva Olaya, Lars Robben, Marco Schowalter, Thorsten Gesing, Andreas Rosenauer, Gunther Wittstock, Arne Wittstock, Marcus Bäumer

ChemCatChem (2024): e202400280

https://doi.org/10.1002/cctc.202400280

Nanoporous gold (npAu) attracted…

Atomic vs. sub-atomic layer deposition: impact of growth rate on the optical and structural properties of MoS2 and WS2 article picture
© 2024 IOP Publishing Ltd
Spectroscopy| Electron Microscopy|

Atomic vs. sub-atomic layer deposition: impact of growth rate on the optical and structural properties of MoS₂ and WS₂

Christian Tessarek, Tim Grieb, Florian F Krause, Christian Petersen,  Alexander Karg, Alexander Hinz, Niels Osterloh, Christian Habben, Stephan Figge, Jon-Olaf Krisponeit, Thomas Schmidt,  Jens Falta, Andreas Rosenauer, Martin Eickhoff

2D Materials 11(2) (2024): 025031

DOI: 10.1088/2053-1583/ad313…

sing convolutional neural networks for stereological characterization of 3D hetero-aggregates based on synthetic STEM data pic
© 2024 The Author(s). Published by IOP Publishing Ltd
Spectroscopy| Electron Microscopy|

Using convolutional neural networks for stereological characterization of 3D hetero-aggregates based on synthetic STEM data

Luke Fox, Tom Kirstein, Christoph Mahr, Orkun Furat, Valentin Baric, Andreas Rosenauer, Lutz Mädler, Volker Schmidt

Machine Learning: Science and Technology 5 (2024): 025007

https://doi.org/10.1088/2632-2153/ad38fd

The 3D nano/microstructure of materials can significantly influence their…

The Picture of GaN atomic electric fields from a segmented STEM detector: Experiment and simulation (2024)
© 2024 The Authors. Journal of Microscopy published by John Wiley & Sons Ltd on behalf of Royal Microscopical Society.
Spectroscopy| Electron Microscopy|

GaN atomic electric fields from a segmented STEM detector: Experiment and simulation

Tim Grieb, Florian F. Krause, Thorsten Mehrtens, Christoph Mahr, Beeke Gerken, Marco Schowalter, Bert Freitag, Andreas Rosenauer

Journal of Microscopy 295 (2024): 140-146

https://doi.org/10.1111/jmi.13276

Atomic electric fields in a thin GaN sample are measured with the centre-of-mass approach…

Growth, catalysis, and faceting of α-Ga2O3 and α-(InxGa1−x)2O3 on m-plane α-Al2O3 by molecular beam epitaxy pic
© 2024, Author(s). This article is distributed under a Creative Commons Attribution (CC BY) license.
X-Ray Diffraction| Spectroscopy| Surface Analytics| Electron Microscopy|

Growth, catalysis, and faceting of α-Ga₂O₃ and α-(InₓGa₁₋ₓ)₂O₃ on m-plane α-Al₂O₃ by molecular beam epitaxy

Martin S. Williams, Manuel Alonso-Orts, Marco Schowalter, Alexander Karg, Sushma Raghuvansy, Jon P. McCandless, Debdeep Jena, Andreas Rosenauer, Martin Eickhoff, Patrick Vogt 

APL Materials 12 (2024): 011120

https://doi.org/10.1063/5.0180041

The growth of α-Ga2O3 and α-(InxGa1−x)2O3 on m-plane…

Figure from the paper of Guo et al.
© 2023 The authors. Advanced Engineering Materials published by Wiley-VCH GmbH
3D Materials Analytics| Spectroscopy|

Gold Nanoparticle-Coated Bioceramics for Plasmonically Enhanced Molecule Detection via Surface-Enhanced Raman Scattering

Tongwei Guo, Jonas Schmidt, Mohammad Mangir Murshed, Kurosch Rezwan, Michael Maas

Advanced Engineering Materials 25 (2023): 2300942

https://doi.org/10.1002/adem.202300942

Herein, feasibility of plasmonically enhanced molecule detection via surface-enhanced Raman scattering for ceramics that are…

Figure from the publication
© The Author(s) 2023
Correlated Workflows| Spectroscopy| Electron Microscopy|

Correlative analysis on InGaN/GaN nanowires: structural and optical properties of self-assembled short-period superlattices

Manuel Alonso‑Orts, Rudolfo Hötzel, Tim Grieb, Matthias Auf der Maur, Maximilian Ries, Felix Nippert, Benjamin März, Knut Müller‑Caspary, Markus R. Wagner, Andreas Rosenauer, Martin Eickhoff

DiscoverNano 18 (2023): 27

https://doi.org/10.1186/s11671-023-03808-6

The influence of self-assembled…

Figure from the publication
© 2022 The Authors.
Spectroscopy|

Low‐energy electron microscopy intensity–voltage data – Factorization, sparse sampling and classification

Francesco Masia, Wolfgang Langbein, Simon Fischer, Jon-Olaf Krisponeit, Jens Falta

Journal of Microscopy  289 (2023): 91-106

https://doi.org/10.1111/jmi.13155

Low-energy electron microscopy (LEEM) taken as intensity–voltage (I–V) curves provides hyperspectral images of surfaces, which can be used…

Oxygen Storage by Tin Oxide Monolayers on Pt3Sn(111) pic
© 2023 The Authors. Published by American Chemical Society
Spectroscopy| Surface Analytics|

Oxygen Storage by Tin Oxide Monolayers on Pt₃Sn(111)

Lindsay R. Merte, Nicolas Braud, Lars Buß, Malthe Kjær Bisbo, Harald J. Wallander, Jon-Olaf Krisponeit, Jan Ingo Flege, Bjørk Hammer, Jens Falta, Edvin Lundgren

The Journal of Physical Chemistry C. 127(6) (2023): 2988-2994

https://doi.org/10.1021/acs.jpcc.2c09041

The high performance of…

LEEM images
© Reprinted with permission from ACS Appl. Nano Mater. 2022, 5, 12, 17702–17710. Copyright 2022 American Chemical Society.
In-situ, real-time investigations| Spectroscopy|

Growth Mechanism of Single-Domain Monolayer MoS₂ Nanosheets on Au(111) Revealed by In Situ Microscopy: Implications for Optoelectronics Applications

Moritz Ewert, Lars Buß, Jeppe V. Lauritsen, Jens Falta, and Jan Ingo Flege

ACS Appl. Nano Mater. 5 (2022): 17702–17710

https://doi.org/10.1021/acsanm.2c03584

The nucleation and growth of single-layer molybdenum disulfide single-domain nanosheets is investigated by in situ low-energy electron…

SEM image
© © 2022 The Authors. Zeitschrift für anorganische und allgemeine Chemie published by Wiley-VCH GmbH
Correlated Workflows| In-situ, real-time investigations| X-Ray Diffraction| Spectroscopy| Electron Microscopy|

On red tin (II) oxide: temperature-dependent structural, spectroscopic, and thermogravimetric properties

Sarah Wittmann, M. Mangir Murshed, Thorsten M. Gesing

Z. Anorg. Allg. Chem. 648 (2022): e20220031

https://doi.org/10.1002/zaac.202200311

Polycrystalline red tin(II)oxide (RSO) has been synthesized by a fast reflux method. X-ray powder diffraction (XRPD) data Rietveld refinement confirms the…

LEEM
© Reprinted with permission from the Journal of Physical Chemistry C 2022 126 (45), 19101-19112. Copyright 2022 American Chemical Society.
In-situ, real-time investigations| Spectroscopy|

Phase Separation within Vanadium Oxide Islands under Reaction Conditions: Methanol Oxidation at Vanadium Oxide Films on Rh(111)

Bernhard von Boehn, Anton Weißbach, Jon-Olaf Krisponeit, Jan Ingo Flege, Jens Falta, Luca Gregoratti, Matteo Amati, Patrick Zeller, and Ronald Imbihl

J. Phys. Chem. C. 126 (2022): 19101–19112

https://doi.org/10.1021/acs.jpcc.2c04174

Submonolayer coverages of V-oxide on Rh(111) condense during…

The İmage of Nano-crystalline precursor formation, stability, and transformation to mullite-type visible-light photocatalysts (2022)
© Open Access This article is licensed under a Creative Commons Attribution 4.0 International License
X-Ray Diffraction| Spectroscopy|

Nano-crystalline precursor formation, stability, and transformation to mullite-type visible-light photocatalysts

Thorsten M. Gesing, M. Mangir Murshed, Selina Schuh, Oliver Thüringer, Konrad Krämer, Tim Neudecker, Cecilia B. Mendive & Lars Robben 

Journal of Materials Science 57 (2022): 19280-19299

https://doi.org/10.1007/s10853-022-07854-w

A new precursor for the formation of mullite-type visible-light…

The Picture of Enhanced weathering in the seabed: Rapid olivine dissolution and iron sulfide formation in submarine volcanic ash (2022)
© Mineralogical Society of America
3D Materials Analytics| Spectroscopy|

Enhanced weathering in the seabed: Rapid olivine dissolution and iron sulfide formation in submarine volcanic ash

Wolf-Achim Kahl, Andreas Klügel, Wolfgang Bach, Mangir Murshed

American Mineralogist 107 (2022): 1668–1680

https://doi.org/10.2138/am-2022-8057

In basaltic volcanic ash recovered from a seamount at 3000 m water depth, we discovered marcasite and pyrite precipitation within cavities that formed…

Picture
© 2022 The Authors. Published by Elsevier Ltd on behalf of European Ceramic Society.
Spectroscopy|

Plasmonic porous ceramics based on zirconia-toughened alumina functionalized with silver nanoparticles for surface-enhanced Raman scattering

Tongwei Guoa, Md Nurul Karim, Kowsik Ghosh, M. Mangir Murshed, Kurosch Rezwan, Michael Maas

Open Ceramics 9 (2022): 100228

https://doi.org/10.1016/j.oceram.2022.100228

We demonstrate the feasibility of plasmonic porous ceramics which combine the optical properties of plasmonic nanoparticles with…

Picture
© 2021 The Authors. Journal of the American Ceramic Society published by Wiley Periodicals LLC on behalf of American Ceramic Society
Spectroscopy|

Structural, vibrational, thermal, and magnetic properties of mullite-type NdMnTiO₅ ceramic

Kowsik Ghosh, M. Mangir Murshed, Thomas Frederichs, Naveen K. C. Muniraju, Thorsten M. Gesing

Journal of the American Ceramic Society 105 (2021): 2702-2712

https://doi.org/10.1111/jace.18261

Mullite-type RMn2O5 (R = Y, rare-earth element) ceramics are of ongoing research attention because of…

Thermal anomalies and phase transitions in Pb2Sc2Si2O9 and Pb2In2Si2O9 pic
© 2021 Walter de Gruyter GmbH, Berlin/Boston
X-Ray Diffraction| Spectroscopy|

Thermal anomalies and phase transitions in Pb₂Sc₂Si₂O₉ and Pb₂In₂Si₂O₉

Mathias Gogolin, M. Mangir Murshed, Lkhamsuren Bayarjargal, Detlef Klimm, Thorsten M. Gesing

Zeitschrift für Kristallographie - Crystalline Materials 236 (2021): 283-292

https://doi.org/10.1515/zkri-2021-2046

Pb2Sc2Si2O9 and Pb2In2Si2O9, respectively, the scandium and indium containing structural…

Picture
© 2021 The Authors. Published by American Chemical Society
In-situ, real-time investigations| Spectroscopy|

Structural Transitions Driving Interface Pulses in Methanol Oxidation on Rh(110) and VOₓ/Rh(110): A LEEM Study

Bernhard von Boehn, Jon-Olaf Krisponeit, Jens Falta, Ronald Imbihl

Journal of Physical Chemistry C 125 (2021): 22539–22546

https://doi.org/10.1021/acs.jpcc.1c06106

With LEEM (low-energy electron microscopy) and micro-LEED as in situ techniques we have studied the structural transitions in the…

The Transition From MoS2 Single-Layer to Bilayer Growth on the Au(111) Surface pic
© This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY).
Spectroscopy|

The Transition From MoS₂ Single-Layer to Bilayer Growth on the Au(111) Surface

Moritz Ewert, Lars Buß, Nicolas Braud, Asish K. Kundu, Polina M. Sheverdyaeva, Paolo Moras, Francesca Genuzio, Tevfik Onur Menteş, Andrea Locatelli, Jens Falta, Jan Ingo Flege

Front. Phys. 9 (2021): 654845

https://doi.org/10.3389/fphy.2021.654845

The transition from single-layer to bilayer growth…

Eine kreisrunde Fläche aufgefächert
© 2020 Nature Scientific Reports
Spectroscopy|

The morphology of VO₂/TiO₂(001): terraces, facets, and cracks

Jon-Olaf Krisponeit, Simon Fischer, Sven Esser, Vasily Moshnyaga, Thomas Schmidt, Louis F. J. Piper, Jan Ingo Flege, Jens Falta

Nature Scientific Reports 10 (2020): 22374

https://doi.org/10.1038/s41598-020-78584-9

Vanadium dioxide (VO2) features a pronounced, thermally-driven metal-to-insulator…

Picture
© Copyright 2020 American Chemical Society
X-Ray Diffraction| Spectroscopy|

KLi₂RE(BO₃)₂ (RE = Dy, Ho, Er, Tm, Yb, and Y): Structural, Spectroscopic, And Thermogravimetric Studies on a Series of Mixed-Alkali Rare-Earth Orthoborates

Pengyun Chen, M. Mangir Murshed, Michael Fischer, Thomas Frederichs, Thorsten M. Gesing

Inorg. Chem 59 (2020): 18214–18224

https://doi.org/10.1021/acs.inorgchem.0c02684

We report a detailed structural, spectroscopic, and thermogravimetric investigation of a new series of mixed-alkali rare-earth…

Adsorption of sulfur on Si(111) pic
© 2020 Elsevier B.V. All rights reserved
Spectroscopy|

Adsorption of sulfur on Si(111)

Th. Schmidt, L. Buß, M. Ewert, G. Schönhoff, T. Wehling. J. Falta

Surface Science 694 (2020): 121561

https://doi.org/10.1016/j.susc.2019.121561

The adsorption of S on Si(111)- 7  ×  7 has been investigated for different preparation schemes and parameters. S was supplied from an electrochemical Ag…

Controlling the Multiscale Structure of Nanofibrous Fibrinogen Scaffolds for Wound Healing pic
© 2019 American Chemical Society
Spectroscopy|

Controlling the Multiscale Structure of Nanofibrous Fibrinogen Scaffolds for Wound Healing

Karsten Stapelfeldt, Stephani Stamboroski, Irina Walter, Naiana Suter, Thomas Kowalik, Monika Michaelis and Dorothea Brüggemann

Nano Letters (2019) 19, 6554–6563

https://doi.org/10.1021/acs.nanolett.9b02798

As a key player in blood coagulation and tissue repair, fibrinogen has gained increasing…

LEEm picture
© 2017 Physical Chemistry Chemical Physics
Spectroscopy|

Growth and structure of ultrathin praseodymium oxide layers on ruthenium (0001)

Jan Höcker, Jon-Olaf Krisponeit, Julian Cambeis, Alexei Zakharov, Yuran Niu, Gang Wei, Lucio Colombi Ciacchi, Jens Falta, Andreas Schaefer and Jan Ingo Flege 

Physical Chemistry Chemical Physics (2017) 19, 3480-3485

https://doi.org/10.1039/C6CP06853G

The growth, morphology, structure, and…

xps spectra
© Jens Falta / Universität Bremen
Spectroscopy|

Isotropic thin PTCDA films on GaN(0001)

C. Ahrens, J. I. Flege, C. Jaye, D. A. Fischer, T. Schmidt and J. Falta

Journal of Physics: Condensed Matter (2016) 28, 475003

https://doi.org/10.1088/0953-8984/28/47/475003

The growth of 3, 4, 9, 10-perylene tetracarboxylic dianhydride (PTCDA) on the Ga-polar GaN(0 0 0 1) surface has been…

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