Electron Microscopy Highlights

Aman Baunthiyal; Jon-Olaf Krisponeit; Marco Schowalter; Thorsten Mehrtens; Alexander Karg; Andreas Rosenauer; Martin Eickhoff; Jens Falta

Applied Physics Letters (2023), 123, 213504

https://doi.org/10.1063/5.0170354

In the last few years, there has been significant interest in gallium oxide…

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 27 (2023)

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

The influence of self-assembled…

Cristian Messina, Yongkang Gong, Oumaima Abouzaid, Bogdan-Petrin Ratiu, Tim Grieb, Zhao Yan, Andreas Rosenauer, Sang Soon Oh, Qiang Li

Adv. Optical Mater. 2022, 2201809

https://doi.org/10.1002/adom.202201809

Photonic crystals can be used to achieve high-performance surface-emitting lasers and…

Stefan Wild, Christoph Mahr, Andreas Rosenauer, Thomas Risse, Sergey Vasenkov, Marcus Bäumer

Catal Lett (2022)

https://doi.org/10.1007/s10562-022-04218-6

In this article we shed light on newly emerging perspectives to characterize and understand the interplay of diffusive mass transport and…

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

Ultramicroscopy, 245, 113661, 2023

https://doi.org/10.1016/j.ultramic.2022.113661

The ISTEM mode for TEM has been demonstrated to have several advantages in regard…

Christoph Mahr, Jorge Adrian Tapia Burgos, Marco Schowalter, Arne Wittstock & Andreas Rosenauer

Materials Research Letters, 10:12, 824-831

https://doi.org/10.1080/21663831.2022.2109941

Nanoporous gold as obtained by corrosion of alloys of gold and a less noble metal is a system with manifold…

 Tim Grieb, Florian F.Krause, Knut Müller-Caspary, Jan Philipp Ahl, Marco Schowalter, Oliver Oppermann, Joachim Hertkorn, Karl Engl, Andreas Rosenauer

Ultramicroscopy (2022) 238, 113503

https://doi.org/10.1016/j.ultramic.2022.113535

In this paper we perform angular resolved annular-dark field…

Christoph Mahr, Tim Grieb, Florian F.Krause, Marco Schowalter, Andreas Rosenauer

Ultramicroscopy (2022) 236, 113503

https://doi.org/10.1016/j.ultramic.2022.113503

The measurement of electric fields in scanning transmission electron microscopy (STEM) is a highly investigated field of research. The…

Alex Ricardo Silva Olaya, Franziska Kühling, Christoph Mahr, Birthe Zandersons, Andreas Rosenauer, Jörg Weissmüller, and Gunther Wittstock

ACS Catal. 2022, 12, 8, 4415–4429

https://doi.org/10.1021/acscatal.1c05160

Nanoporous gold (NPG) obtained by dealloying Ag75Au25 with an overall residual Ag…

Christoph Mahr, Alexandra Dworzak, Marco Schowalter, Mehtap Oezaslan and Andreas Rosenauer

Microscopy and Microanalysis (2021) 27, 678 - 686

https://doi.org/10.1017/S1431927621000519

Quantitative structural characterization of nanomaterials is important to tailor their functional properties.…

Florian F. Krause, Marco Schowalter, Oliver Oppermann, Dennis Marquardt, Knut Müller-Caspary, Robert Ritz, Martin Simson, Henning Ryll, Martin Huth, Heike Soltau, Andreas Rosenauer

Ultramicroscopy (2021) 223, 113221

https://doi.org/10.1016/j.ultramic.2021.113221

Modern quantitative TEM methods…

Tim Grieb, Florian F. Krause, Knut Müller-Caspary, Saleh Firoozabadi, Christoph Mahr, Marco Schowalter, Andreas Beyer, Oliver Oppermann, Kerstin Volz, Andreas Rosenauer

Ultramicroscopy (2021) 221, 113175

https://doi.org/10.1016/j.ultramic.2020.113175

The angle-resolved electron scattering is…

Christoph Mahr, Knut Müller-Caspary, Tim Grieb, Florian F. Krause, Marco Schowalter, Andreas Rosenauer

Ultramicroscopy (2021) 221, 113196

https://doi.org/10.1016/j.ultramic.2020.113196

Strain analysis by nano-beam electron diffraction allows for measurements of strain with nanometre resolution in…

Andreas Beyer, Florian F. Krause, Hoel L. Robert, Saleh Firoozabadi, Tim Grieb, Pirmin Kükelhan, Damien Heimes, Marco Schowalter, Knut Müller-Caspary, Andreas Rosenauer, Kerstin Volz

Nature Scientific Reports (2020) 10, 17890

https://doi.org/10.1038/s41598-020-74434-w

Scanning transmission…

Knut Müller-Caspary, Tim Grieb, Jan Müßener, Nicolas Gauquelin, Pascal Hille, Jörg Schörmann, Johan Verbeeck, Sandra Van Aert, Martin Eickhoff, Andreas Rosenauer

Physical Review Letters (2019) 122, 106102

https://doi.org/10.1103/PhysRevLett.122.106102

We report the mapping of polarization-induced…

Christoph Mahr, Knut Müller-Caspary, Robert Ritz, Martin Simson, Tim Grieb, Marco Schowalter, Florian F. Krause, Anastasia Lackmann, Heike Soltau, Arne Wittstock, Andreas Rosenauer

Ultramicroscopy (2019) 196, 74-82

Images acquired in transmission electron microscopes can be distorted for various…

Tim Grieb, Moritz Tewes, Marco Schowalter, Knut Müller-Caspary, Florian F. Krause, Thorsten Mehrtens, Jean-Michel Hartmann, Andreas Rosenauer

Ultramicroscopy (2018) 184, 29-36

https://doi.org/10.1016/j.ultramic.2017.09.012

The chemical composition of four Si1-xGex layers grown on silicon was…

Christoph Mahr, Paromita Kundu, Anastasia Lackmann, Daniele Zanaga, Karsten Thiel, Marco Schowalter, Martin Schwan, Sara Bals, Arne Wittstock, Andreas Rosenauer

Journal of Catalysis (2017) 352, 52-58

https://doi.org/10.1016/j.jcat.2017.05.002

Large efforts have been made trying to understand the…

Knut Müller, Florian F. Krause, Armand Béché, Marco Schowalter, Vincent Galioit, Stefan Löffler, Johan Verbeeck, Josef Zweck, Peter Schattschneider & Andreas Rosenauer 

Nature Communications (2014) 5, 5653

doi: 10.1038/ncomms6653

By focusing electrons on probes with a diameter of 50 pm,…

Andreas Rosenauer, Florian F. Krause, Knut Müller, Marco Schowalter, Thorsten Mehrtens

Physical Review Letters (2014) 113, 096101

doi: 10.1103/PhysRevLett.113.096101

There are mainly two complementary imaging modes in transmission electron microscopy (TEM): Conventional TEM (CTEM) and scanning…