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View article: Unraveling the Decomposition Pathways of LaS-TaS<sub>2</sub> Misfit-Layered Compound Nanostructures under Extreme Electrical Currents by In Situ TEM
Unraveling the Decomposition Pathways of LaS-TaS<sub>2</sub> Misfit-Layered Compound Nanostructures under Extreme Electrical Currents by In Situ TEM Open
Nanostructures of the misfit-layered compound (MLC) LaS-TaS2 are brought to breakdown by application of high electrical currents within a transmission electron microscope. Imaging, diffraction, and spectroscopy techniques are em…
View article: Phase Stability and Structural Evolution of Core/Shell Iron Oxide Nanoparticles Due to Oxidative Diffusion: Implications for Spintronic Applications
Phase Stability and Structural Evolution of Core/Shell Iron Oxide Nanoparticles Due to Oxidative Diffusion: Implications for Spintronic Applications Open
Rietveld refinement parameters of XRD diffraction patterns and Mössbauer spectra fitting parameters.
View article: On the relationship between oxygen K edge fine structure and cobalt/nickel content in magnetite-based core-shell nanoparticles
On the relationship between oxygen K edge fine structure and cobalt/nickel content in magnetite-based core-shell nanoparticles Open
Iron oxide nanoparticles (NPs) are used in a broad range of applications and offer the possibility of fine tuning their properties by forming hybrid core-shell structures. Scanning transmission electron microscopy (STEM) combined with elec…
View article: Chemistry and Interfacial Structure Promoting Quasi-van der Waals Epitaxial Growth of WS<sub>2</sub> Nanosheets on Sapphire for Prospective Application in Field-Effect Transistors
Chemistry and Interfacial Structure Promoting Quasi-van der Waals Epitaxial Growth of WS<sub>2</sub> Nanosheets on Sapphire for Prospective Application in Field-Effect Transistors Open
How do chemical and structural modifications to the supporting crystal surface affect the subsequent van der Waals (vdW) or quasi(Q)-vdW epitaxial growth of 2D nanocrystals? Developing an atomic-scale picture of such an interfacial system …
View article: Proximity‐Mediated Multi‐Ferroelectric Coupling in Highly Strained EuO‐Graphene Heterostructures
Proximity‐Mediated Multi‐Ferroelectric Coupling in Highly Strained EuO‐Graphene Heterostructures Open
2D van der Waals materials and their heterostructures are a fantastic playground to explore emergent phenomena arising from electronic quantum hybridization effects. In the last decade, the spin‐dependant hybridization effect pushed this f…
View article: Direct Visualization of Temperature‐Induced Phase Separation of Completely Miscible Au─Pd Alloy by In Situ TEM
Direct Visualization of Temperature‐Induced Phase Separation of Completely Miscible Au─Pd Alloy by In Situ TEM Open
In situ transmission electron microscopy (TEM) studies reveal key insights into the structural and chemical evolution of nanoparticles (NPs) under external stimuli like heating and biasing, which is critical for evaluating their suitabilit…
View article: Effect of Shell Thickness on the Oxygen Evolution Activity of Core@shell Fe<sub>3</sub>O<sub>4</sub>@CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles
Effect of Shell Thickness on the Oxygen Evolution Activity of Core@shell Fe<sub>3</sub>O<sub>4</sub>@CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Open
Hydrogen production via water splitting requires efficient electrocatalysts to reduce the overpotential of the anodic oxygen evolution reaction (OER) and cathodic hydrogen evolution reaction (HER). In this study, we investigated the influe…
View article: Structure and properties of tubular structures based on the quaternary misfit layered compound Sm<sub>1−<i>x</i></sub>Y<sub><i>x</i></sub>S–TaS<sub>2</sub>
Structure and properties of tubular structures based on the quaternary misfit layered compound Sm<sub>1−<i>x</i></sub>Y<sub><i>x</i></sub>S–TaS<sub>2</sub> Open
Nanotubes made of the quaternary misfit layered compound Sm 1− x Y x S–TaS 2 have been synthesized using the chemical vapour technique. Imaging, diffraction and spectroscopy shed light on their structure and properties.
View article: Vanadium incorporation in ferrite nanoparticles serves as an electron buffer and anisotropy tuner in catalytic and hyperthermia applications
Vanadium incorporation in ferrite nanoparticles serves as an electron buffer and anisotropy tuner in catalytic and hyperthermia applications Open
This study yields ferrite magnetic nanoparticles with a lower effective anisotropy constant, key for magnetic hyperthermia, and a vanadium-rich shell, important for catalysis.
View article: Chemically‐Linked Heterostructures of Palladium Nanosheets and 2H‐MoS<sub>2</sub>
Chemically‐Linked Heterostructures of Palladium Nanosheets and 2H‐MoS<sub>2</sub> Open
The burgeoning field of 2D heterostructures targets the combination of 2D materials with 3D, 1D, or 0D nanomaterials. Among the most popular 2D materials, the 2H polytype of molybdenum disulfide (MoS 2 ) features a well‐defined bandgap tha…
View article: Toward quantitative thermoelectric characterization of (nano)materials by in-situ transmission electron microscopy
Toward quantitative thermoelectric characterization of (nano)materials by in-situ transmission electron microscopy Open
We explore the possibility to perform an in-situ transmission electron microscopy (TEM) thermoelectric characterization of materials. A differential heating element on a custom in-situ TEM microchip allows to generate a temperature gradien…
View article: Misfit Layered Compounds: Insights into Chemical, Kinetic, and Thermodynamic Stability of Nanophases
Misfit Layered Compounds: Insights into Chemical, Kinetic, and Thermodynamic Stability of Nanophases Open
ConspectusCompounds with layered structures (2D-materials), like transition metal-dichalcogenides (e.g., MoS2), attracted a great deal of interest in the scientific community in recent years. This interest can be attributed to t…
View article: Stable CoO<sub>2</sub> Nanoscrolls with Outstanding Electrical Properties
Stable CoO<sub>2</sub> Nanoscrolls with Outstanding Electrical Properties Open
Layered CoO 2 is of great interest for its promising properties but is meta‐stable in its bulk form. CoO 2 is synthesized by converting the quasi‐1D crystal structure of bulk Ca 3 Co 2 O 6 via a hydrothermal treatment. The resulting nanost…
View article: Nanotubes from Lanthanide-Based Misfit-Layered Compounds: Understanding the Growth, Thermodynamic, and Kinetic Stability Limits
Nanotubes from Lanthanide-Based Misfit-Layered Compounds: Understanding the Growth, Thermodynamic, and Kinetic Stability Limits Open
Gaining insights into the kinetics and the thermodynamic limits of nanostructures in high-temperature reactions is crucial for controlling their unique morphology, phase, and structure. Nanotubes from lanthanide-based misfit-layered compou…
View article: Toward thermoelectric characterization of (nano)materials by in situ transmission electron microscopy
Toward thermoelectric characterization of (nano)materials by in situ transmission electron microscopy Open
We explore the possibility to perform an in-situ transmission electron microscopy (TEM) thermoelectric characterization of materials. A differential heating element on a custom in-situ TEM microchip allows to generate a temperature gradien…
View article: Synthesis and dynamics of PtSi nanoparticles on a carbon nanofilm by in-situ TEM Joule heating
Synthesis and dynamics of PtSi nanoparticles on a carbon nanofilm by in-situ TEM Joule heating Open
View article: Support‐Based Transfer and Contacting of Individual Nanomaterials for In Situ Nanoscale Investigations
Support‐Based Transfer and Contacting of Individual Nanomaterials for In Situ Nanoscale Investigations Open
Although in situ transmission electron microscopy (TEM) of nanomaterials has been gaining importance in recent years, difficulties in sample preparation have limited the number of studies on electrical properties. Here, a support‐based pre…
View article: 2D and 3D EELS Analyses on the Low-Energy Core-Loss Edges in Beam-sensitive Ryugu Asteroid Samples
2D and 3D EELS Analyses on the Low-Energy Core-Loss Edges in Beam-sensitive Ryugu Asteroid Samples Open
View article: Detailed TEM Studies of 1D Nanostructures based on Layered Cobalt Oxide
Detailed TEM Studies of 1D Nanostructures based on Layered Cobalt Oxide Open
View article: Zernike Phase Plates for aberration-corrected TEM in Material Science
Zernike Phase Plates for aberration-corrected TEM in Material Science Open
View article: Direct Visualization of Temperature Induced Phase Separation of Completely Miscible Au-Pd Alloy by In-Situ TEM
Direct Visualization of Temperature Induced Phase Separation of Completely Miscible Au-Pd Alloy by In-Situ TEM Open
View article: Transfer of Nanomaterials for in-situ TEM with electrical Currents
Transfer of Nanomaterials for in-situ TEM with electrical Currents Open
View article: Nanotubes of (SmxY1-x)S-TaS2 based on Quaternary Misfit Layered Compounds (MLCs)
Nanotubes of (SmxY1-x)S-TaS2 based on Quaternary Misfit Layered Compounds (MLCs) Open
View article: TEMsuite – A Matlab-based software platform for TEM data analysis
TEMsuite – A Matlab-based software platform for TEM data analysis Open
View article: Ti‐Modified Imogolite Nanotubes as Promising Photocatalyst 1D Nanostructures for H <sub>2</sub> Production
Ti‐Modified Imogolite Nanotubes as Promising Photocatalyst 1D Nanostructures for H <sub>2</sub> Production Open
Imogolite nanotubes (INTs) are predicted as a unique 1D material with spatial separation of conduction and valence band edges but their large band gaps have inhibited their use as photocatalysts. The first step toward using these NTs in ph…
View article: Room-temperature anomalous Hall effect in graphene in interfacial magnetic proximity to EuO grown by topotactic reduction
Room-temperature anomalous Hall effect in graphene in interfacial magnetic proximity to EuO grown by topotactic reduction Open
Supplemental Material:
\n1. Details on EuO crystalline structure (TEM observations)
\n2. Anomalous Hall Effect curves mesured above room temperature
View article: Stable CoO$_2$ Nanoscrolls With Outstanding Electrical Properties
Stable CoO$_2$ Nanoscrolls With Outstanding Electrical Properties Open
Layered CoO$_2$ is of great interest for its promising properties but is meta-stable in its bulk form. CoO$_2$ was synthesized by converting the quasi-one-dimensional crystal structure of bulk Ca$_3$Co$_2$O$_6$ via a hydrothermal treatment…
View article: Support-based transfer and contacting of individual nanomaterials for in-situ nanoscale investigations
Support-based transfer and contacting of individual nanomaterials for in-situ nanoscale investigations Open
Although in-situ transmission electron microscopy (TEM) of nanomaterials has been gaining importance in recent years, difficulties in sample preparation have limited the number of studies on electrical properties. Here, a support-based pre…
View article: Room-Temperature Anomalous Hall Effect in Graphene in Interfacial Magnetic Proximity with EuO Grown by Topotactic Reduction
Room-Temperature Anomalous Hall Effect in Graphene in Interfacial Magnetic Proximity with EuO Grown by Topotactic Reduction Open
We show that thin layers of EuO, a ferromagnetic insulator, can be achieved by topotactic reduction under titanium of a Eu2O3 film deposited on top of a graphene template. The reduction process leads to the formation of a 7-nm thick EuO sm…
View article: In-Depth Investigations of Graphene Oxide Reduction via <i>in situ</i> TEM Measurements
In-Depth Investigations of Graphene Oxide Reduction via <i>in situ</i> TEM Measurements Open
Journal Article In-Depth Investigations of Graphene Oxide Reduction via in situ TEM Measurements Get access Mario Pelaez-Fernandez, Mario Pelaez-Fernandez Laboratorio de Microscopias Avanzadas (LMA), Universidad de Zaragoza, SpainInstituto…