Juri Barthel
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View article: Atomic resolution imaging of the strength and 3D direction of atomic displacements in functional oxide thin films
Atomic resolution imaging of the strength and 3D direction of atomic displacements in functional oxide thin films Open
Atomic resolution imaging is key to understanding thin film growth and how a particular set of conditions influences properties. Whilst such imaging in the scanning transmission electron microscope (STEM) has had a transformative impact in…
View article: Atomic resolution imaging of 3D crystallography in the scanning transmission electron microscope
Atomic resolution imaging of 3D crystallography in the scanning transmission electron microscope Open
Atomic resolution imaging in the scanning transmission electron microscope (STEM) has revolutionised science and technology, especially since the introduction of aberration correction1,2, making sub-Ångström resolution easily realised. The…
View article: Practicable model for phonon spectroscopy at atomic resolution in scanning transmission electron microscopy for thick crystalline specimens
Practicable model for phonon spectroscopy at atomic resolution in scanning transmission electron microscopy for thick crystalline specimens Open
We generalize a recently proposed theory for atomic resolution phonon spectroscopy in scanning transmission electron microscopy, which explicitly includes the dependence of the spectrum on probe position, to apply to thick specimens, where…
View article: Atomic resolution imaging of the strength and 3D direction of atomic displacements in functional oxide thin films
Atomic resolution imaging of the strength and 3D direction of atomic displacements in functional oxide thin films Open
Atomic resolution imaging is key to understanding thin film growth and how a particular set of conditions influences properties. Whilst such imaging in the scanning transmission electron microscope (STEM) has had transformative impact in n…
View article: Automated detection and mapping of crystal tilt using thermal diffuse scattering in transmission electron microscopy
Automated detection and mapping of crystal tilt using thermal diffuse scattering in transmission electron microscopy Open
Quantitative interpretation of transmission electron microscopy (TEM) data of crystalline specimens often requires the accurate knowledge of the local crystal orientation. A method is presented which exploits momentum-resolved scanning TEM…
View article: Dissolution of simulated nuclear waste glass at high surface area to solution volume, high pH and 70 °C: comparison of international simple glass and SON68 glass
Dissolution of simulated nuclear waste glass at high surface area to solution volume, high pH and 70 °C: comparison of international simple glass and SON68 glass Open
Long-term dissolution experiments on two nuclear waste glasses indicate a diffusion-controlled dissolution mechanism including the formation of a porous surface altered layer and secondary phases without a resumption to higher rates.
View article: Simulated HRTEM images of nanoparticles to train a neural network to classify nanoparticles for crystallinity
Simulated HRTEM images of nanoparticles to train a neural network to classify nanoparticles for crystallinity Open
Machine learning approaches for image analysis require extensive training datasets for an accurate analysis.
View article: Ruthenium nanoparticles on covalent triazine frameworks incorporating thiophene for the electrocatalytic hydrogen evolution reaction
Ruthenium nanoparticles on covalent triazine frameworks incorporating thiophene for the electrocatalytic hydrogen evolution reaction Open
In this study, 2 to 4 nm ruthenium nanoparticles were loaded by decomposition of Ru 3 (CO) 12 through microwave heating on thiophene containing CTFs to assess the influence of thiophene on the electrocatalytic properties in the hydrogen ev…
View article: Direct Mapping of Fluorine in Cation Disordered Rocksalt Cathodes
Direct Mapping of Fluorine in Cation Disordered Rocksalt Cathodes Open
Cation-disordered rocksalt (DRX) oxides are promising candidates as next-generation cathodes for lithium-ion batteries. Partial fluorination of the DRX oxides enhances their cyclability. However, the lattice position, concentration, and sp…
View article: Lessons from the harmonic oscillator: Reconciliation of the frequency-resolved frozen phonon multislice method with other theoretical approaches
Lessons from the harmonic oscillator: Reconciliation of the frequency-resolved frozen phonon multislice method with other theoretical approaches Open
We compare the frequency-resolved frozen phonon multislice (FRFPMS) method [introduced in P. M. Zeiger and J. Rusz, Phys. Rev. Lett. 124, 025501 (2020)] with other theoretical approaches used to account for the inelastic scattering of high…
View article: The TOMO Project – Integrating a Fully Functional Atom Probe in an Aberration-Corrected TEM
The TOMO Project – Integrating a Fully Functional Atom Probe in an Aberration-Corrected TEM Open
Journal Article The TOMO Project – Integrating a Fully Functional Atom Probe in an Aberration-Corrected TEM Get access Joachim Mayer, Joachim Mayer Ernst Ruska-Centre, Forschungszentrum Jülich GmbH, Jülich, GermanyCentral Facility for Elec…
View article: Atomic Resolution Mapping of Localized Phonon Modes in Silicon Grain Boundaries
Atomic Resolution Mapping of Localized Phonon Modes in Silicon Grain Boundaries Open
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View article: Simulations of Phonon Spectroscopy in the Impact Scattering Regime – Advances and Applications
Simulations of Phonon Spectroscopy in the Impact Scattering Regime – Advances and Applications Open
Journal Article Simulations of Phonon Spectroscopy in the Impact Scattering Regime – Advances and Applications Get access Paul M Zeiger, Paul M Zeiger Uppsala University, Department of Physics and Astronomy, Uppsala, Sweden Corresponding a…
View article: Lessons from the harmonic oscillator -- a reconciliation of the Frequency-Resolved Frozen Phonon Multislice Method with other theoretical approaches
Lessons from the harmonic oscillator -- a reconciliation of the Frequency-Resolved Frozen Phonon Multislice Method with other theoretical approaches Open
We compare the Frequency-Resolved Frozen Phonon Multislice (FRFPMS) method, introduced in Phys. Rev. Lett. 124, 025501 (2020), with other theoretical approaches used to account for the inelastic scattering of high energy electrons, namely …
View article: Atomic resolution mapping of localized phonon modes at grain boundaries
Atomic resolution mapping of localized phonon modes at grain boundaries Open
Phonon scattering at grain boundaries (GBs) is significant in controlling nanoscale device thermal conductivity. However, GBs could also act as waveguides for selected modes. To measure localized GB phonon modes, meV energy resolution is n…
View article: Control of the phonon band gap with isotopes in hexagonal boron nitride
Control of the phonon band gap with isotopes in hexagonal boron nitride Open
The isotopic mass of constituent elements of materials has a well-known effect on the energy of vibrational modes. By means of monochromated scanning transmission electron microscopy we have experimentally studied the phonon bandstructure …
View article: Strain and charge contributions to the magnetoelectric coupling in Fe<sub>3</sub>O<sub>4</sub>/PMN-PT artificial multiferroic heterostructures
Strain and charge contributions to the magnetoelectric coupling in Fe<sub>3</sub>O<sub>4</sub>/PMN-PT artificial multiferroic heterostructures Open
The quest to realize new kinds of data storage devices has motivated recent studies in the field of magnetoelectric heterostructures. One of the most commonly investigated systems is Fe 3 O 4 /[Pb(Mg Nb O 3 ] 0.7 –[PbTiO 3 …
View article: Understanding Structural Incorporation of Oxygen Vacancies in Perovskite Cobaltite Films and Potential Consequences for Electrocatalysis
Understanding Structural Incorporation of Oxygen Vacancies in Perovskite Cobaltite Films and Potential Consequences for Electrocatalysis Open
Owing to their excellent mixed-ionic and electronic conductivity, fast oxygen kinetics, and cost efficiency, layered oxygen-deficient perovskite oxides hold great potential as highly efficient cathodes for solid oxide fuel cells and anodes…
View article: Progress in atomic-resolution aberration corrected conventional transmission electron microscopy (CTEM)
Progress in atomic-resolution aberration corrected conventional transmission electron microscopy (CTEM) Open
Transmission electron microscopy is an indispensable tool in modern materials science. It enables the structure of materials to be studied with high spatial resolution, and thus makes a decisive contribution to the fact that it is now poss…
View article: Measurement of atomic modulation direction using the azimuthal variation of first order Laue zone electron diffraction
Measurement of atomic modulation direction using the azimuthal variation of first order Laue zone electron diffraction Open
We show that diffraction intensity into the First Order Laue Zone (FOLZ) of a crystal can have a strong azimuthal dependence, where this FOLZ ring appears solely because of unidirectional atom position modulation. Such a modulation was alr…
View article: Microwave-assisted synthesis of iridium oxide and palladium nanoparticles supported on a nitrogen-rich covalent triazine framework as superior electrocatalysts for the hydrogen evolution and oxygen reduction reaction
Microwave-assisted synthesis of iridium oxide and palladium nanoparticles supported on a nitrogen-rich covalent triazine framework as superior electrocatalysts for the hydrogen evolution and oxygen reduction reaction Open
Iridium oxide (IrO x -NP) and palladium nanoparticles (Pd-NP) were supported on a 2,6-dicyanopyridine-based covalent-triazine framework (DCP-CTF) by energy-saving and sustainable microwave-assisted thermal decomposition reactions in propyl…
View article: Dissolution of simplified nuclear waste glass and formation of secondary phases
Dissolution of simplified nuclear waste glass and formation of secondary phases Open
Immobilization of high-level and intermediate-level nuclear wastes by vitrification in borosilicate glass is a well-established process. There is a consensus between the waste management agencies of many countries and many experts that vit…
View article: Unexpected precipitates in conjunction with layer-by-layer growth in Mn-enriched La2/3Sr1/3MnO3 thin films
Unexpected precipitates in conjunction with layer-by-layer growth in Mn-enriched La2/3Sr1/3MnO3 thin films Open
In recent years, layer-by-layer heteroepitaxy has become a versatile tool for depositing novel materials not accessible in bulk form. While it is possible to control the mono layer sequence on an atomic scale with the help of sophisticated…
View article: Towards quantitative elemental mapping across interfaces by combining momentum-resolved STEM and EDX
Towards quantitative elemental mapping across interfaces by combining momentum-resolved STEM and EDX Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Automated mapping of the crystallographic sample orientation from diffraction patterns in momentum-resolved STEM
Automated mapping of the crystallographic sample orientation from diffraction patterns in momentum-resolved STEM Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: All‐Solid‐State Batteries: Nano‐Scale Complexions Facilitate Li Dendrite‐Free Operation in LATP Solid‐State Electrolyte (Adv. Energy Mater. 26/2021)
All‐Solid‐State Batteries: Nano‐Scale Complexions Facilitate Li Dendrite‐Free Operation in LATP Solid‐State Electrolyte (Adv. Energy Mater. 26/2021) Open
In article number 2100707, Christoph Scheurer and co-workers stabilize solid state electrolyte grains against Li dendrite nucleation and growth with a nanometer thin complexion. This naturally forming encapsulating layer serves as an effec…
View article: Nano‐Scale Complexions Facilitate Li Dendrite‐Free Operation in LATP Solid‐State Electrolyte
Nano‐Scale Complexions Facilitate Li Dendrite‐Free Operation in LATP Solid‐State Electrolyte Open
Dendrite formation and growth remains a major obstacle toward high‐performance all solid‐state batteries using Li metal anodes. The ceramic Li (1+ x ) Al ( x ) Ti (2− x ) (PO 4 ) 3 (LATP) solid‐state electrolyte shows a higher than expecte…
View article: Atomic resolution HOLZ-STEM imaging of atom position modulation in oxide heterostructures
Atomic resolution HOLZ-STEM imaging of atom position modulation in oxide heterostructures Open
It is shown that higher order Laue zone (HOLZ) rings in high energy electron diffraction are specific to individual columns of atoms, and show different strengths, structure and radii for different atom columns along the same projection in…