K
Knut Müller-Caspary
Researcher at Ernst Ruska Centre
Publications - 75
Citations - 1244
Knut Müller-Caspary is an academic researcher from Ernst Ruska Centre. The author has contributed to research in topics: Scanning transmission electron microscopy & Diffraction. The author has an hindex of 17, co-authored 60 publications receiving 834 citations. Previous affiliations of Knut Müller-Caspary include University of Antwerp & University of Bremen.
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Journal ArticleDOI
Measurement of atomic electric fields and charge densities from average momentum transfers using scanning transmission electron microscopy.
Knut Müller-Caspary,Florian F. Krause,Tim Grieb,Stefan Löffler,Marco Schowalter,Armand Béché,Vincent Galioit,Dennis Marquardt,Josef Zweck,Peter Schattschneider,Johan Verbeeck,Andreas Rosenauer +11 more
TL;DR: This study sheds light on the prerequisites, possibilities, limitations and interpretation of high-resolution differential phase contrast (DPC) imaging in scanning transmission electron microscopy (STEM) and indicates that a sampling of 5mrad per pixel is sufficient in typical applications.
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A pnCCD-based, fast direct single electron imaging camera for TEM and STEM
H. Ryll,Martin Simson,Raimo Hartmann,P. Holl,Martin Huth,Sebastian Ihle,Yukihito Kondo,P. Kotula,A. Liebel,Knut Müller-Caspary,Andreas Rosenauer,Ryusuke Sagawa,J. Schmidt,Heike Soltau,Lothar Strüder +14 more
TL;DR: The pnCCD is a 2D imaging sensor that meets these requirements as discussed by the authors, and it is read out at a rate of 1,150 frames per second with an image area of 264 x 264 pixel.
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Demonstration of a 2 × 2 programmable phase plate for electrons
Jo Verbeeck,Armand Béché,Knut Müller-Caspary,Giulio Guzzinati,Minh Anh Luong,Martien Den Hertog +5 more
TL;DR: In this article, the experimental realisation of a 2'×'2' programmable phase plate for electrons is presented, which consists of an array of electrostatic elements that influence the phase of electron waves passing through 4 separately controllable aperture holes.
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Metal–insulator-transition engineering by modulation tilt-control in perovskite nickelates for room temperature optical switching
Zhaoliang Liao,Nicolas Gauquelin,Robert J. Green,Robert J. Green,Knut Müller-Caspary,Ivan Lobato,Lin Li,Sandra Van Aert,Johan Verbeeck,Mark Huijben,Mathieu N. Grisolia,V. Rouco,Ralph El Hage,Javier E. Villegas,Alain Mercy,Manuel Bibes,Philippe Ghosez,George A. Sawatzky,Guus Rijnders,Gertjan Koster +19 more
TL;DR: This work demonstrated a structural analogue of modulation doping in nickelate heterostructures through the interfacial transfer of tilt patterns and successfully adjusted the metal–insulator transition (MIT) to room temperature to fulfill the desired conditions for optical switching applications.
Journal ArticleDOI
Sample tilt effects on atom column position determination in ABF–STEM imaging
Dan Zhou,Knut Müller-Caspary,Wilfried Sigle,Florian F. Krause,Andreas Rosenauer,Peter A. van Aken +5 more
TL;DR: This work shows sensitivity in contrast formation in ABF more sensitive to the tilt of the electron beam with respect to the crystal zone axis than high-angle annular dark-field imaging, and uses image simulations to quantify this effect.