Bringing atom probe tomography to transmission electron microscopes [PDF]
Nature CommunicationsFor the purpose of enhancing the structural insights within the three-dimensional composition fields revealed by atom probe tomography, correlative microscopy approaches, combining (scanning) transmission electron microscopy with atom probe tomography ...
Gerald Da Costa +9 more
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Nanoscale analysis of frozen honey by atom probe tomography [PDF]
Scientific Reports, 2022 Three-dimensional reconstruction of the analysed volume is one of the main goals of atom probe tomography (APT) and can deliver nearly atomic resolution (~ 0.2 nm spatial resolution) and chemical information with a mass sensitivity down to the ppm range.
Tim M. Schwarz +4 more
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Interpreting nanovoids in atom probe tomography data for accurate local compositional measurements [PDF]
Nature Communications, 2020 Atom probe tomography can image chemical composition at the nanoscale, but our understanding of how it images voids, or empty spaces, is still lacking. Here, the authors combine atom probe tomography, scanning transmission electron microscopy, and field ...
Xing Wang +14 more
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Resolving protein-mineral interfacial interactions during in vitro mineralization by atom probe tomography [PDF]
Materials Today Advances, 2023 Organic macromolecules exert remarkable control over the nucleation and growth of inorganic crystallites during (bio)mineralization, as exemplified during enamel formation where the protein amelogenin regulates the formation of hydroxyapatite (HAP ...
Sandra D. Taylor +9 more
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Effective preparation of low-melting solder materials for atom probe tomography [PDF]
Scientific ReportsLow-melting metal alloys have gained renewed attention for additive manufacturing, energy storage and microelectronics. However, micro- and nanostructure characterisation demands highly sophisticated sample preparation.
Charlotte Cui +5 more
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Reliable Atom Probe Tomography of Cu Nanoparticles Through Tailored Encapsulation by an Electrodeposited Film [PDF]
NanomaterialsNanoparticles are essential for energy storage, catalysis, and medical applications, emphasizing their accurate chemical characterization. However, atom probe tomography (APT) of nanoparticles sandwiched at the interface between an encapsulating film and
Aydan Çiçek +6 more
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Direct observation of 3D nitrogen distribution in silicon-based dielectrics using atom probe tomography [PDF]
Nature CommunicationsThe distribution of nitrogen in semiconductor devices plays a crucial role in tuning their physical and electrical properties. However, direct observation and precise quantification of nitrogen remain challenging because of analytical limitations ...
Byeong-Gyu Chae +12 more
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Three-dimensional atomic mapping of ligands on palladium nanoparticles by atom probe tomography [PDF]
Nature Communications, 2021 Despite the important role of ligands in designing nanoparticles, directly imaging them on the nanoparticle surface remains a challenge. Here, the authors use atom probe tomography to map the spatial distribution of ligands on nanoparticles and reveal ...
Kyuseon Jang +6 more
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Single-Wedge Lift-Out for Atom Probe Tomography Al/Ni Multilayers Specimen Preparation Based on Dual-Beam-FIB [PDF]
Micromachines, 2021 Atomic probe tomography (APT) samples with Al/Ni multilayer structure were successfully prepared by using a focused ion beam (FIB), combining with a field emission scanning electron microscope, with a new single-wedge lift-out method and a reduced ...
Yi Qiao +9 more
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Phase Segmentation in Atom-Probe Tomography Using Deep Learning-Based Edge Detection [PDF]
Scientific Reports, 2019 Atom-probe tomography (APT) facilitates nano- and atomic-scale characterization and analysis of microstructural features. Specifically, APT is well suited to study the interfacial properties of granular or heterophase systems.
Sandeep Madireddy +6 more
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