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Case Studies: Aberration Corrected High-Angle Annular Dark-Field (AC-HAADF) Microscopy
As demonstrated in the previous chapter, scanning transmission electron microscopy-high-angle annular dark field (STEM-HAADF) imaging is widely...
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STEM High Angle Annular Dark-Field Imaging
High-angle annular dark field (HAADF) imaging in the aberration-corrected scanning transmission electron microscope (STEM) has become an invaluable...
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Effect of Pre-Deformation on Precipitation in Al–Zn–Mg–Cu Alloy
In this work, strengthening effects and evolution of precipitates in a pre-deformed Al–Zn–Mg–Cu alloy during ageing were investigated using Vickers...
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Atomic-Resolution EDX, HAADF, and EELS Study of GaAs1-xBix Alloys
The distribution of alloyed atoms in semiconductors often deviates from a random distribution which can have significant effects on the properties of...
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Electron Microscopy
The chapter presents the fundaments of electron and optical microscopes. It begins with an overview of microscopy and then continues to how the...
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Formation of Spontaneous Lateral Heterostructures in High Al content AlxGa1−xN Alloys Grown by High-Temperature Plasma-Assisted Molecular Beam Epitaxy
We report on the microstructure of high Al content (0.65 < x < 0.78) Al x Ga 1− x N planar films grown in the III-rich regime by plasma-assisted molecular...
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Nano-Dimensional Elements in the Structure of Zinc Subjected to KOBO Extrusion
In the study of plastic flow and mechanical features of zinc subjected to severe plastic deformation at low temperature through the KOBO extrusion...
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Lath-like phases formed at an extremely high temperature in a Mg–RE (RE = rare earth)–Al alloy
Thermal stable intermetallic particles are important for the heat resistance of magnesium (Mg) alloys. In this work, many lath-like particles formed...
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Atomic-scale observation of β′ and LPSO phase in Mg–Y–Ni alloy by HAADF-STEM
This paper reports on an atomic-scale investigation into the β′ precipitates and the long-period stacking ordered phase (LPSO) in Mg–5Y–2.5Ni–0.5Zr...
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Microstructure and Properties of Fe-12Cr-2.5W-xSi-0.4Ti-0.3Y2O3 Alloys
Fe-12Cr-2.5W- x Si-0.4Ti-0.3Y 2 O 3 alloys were fabricated by mechanical alloying and vacuum sintering. The effect of sintering temperature and Si content...
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Impacts of Microalloying Elements on the Hardening β"-Phase in Automotive AlMgSi Alloys
Microalloying elements play a crucial role in mechanical properties and phase stability of metallic alloys. In this work, we employ first-principles...
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Scanning Transmission Electron Microscopy of Magnetic Nanoalloys and Their Nanocomposites
Transmission electron microscopy (TEM) is a powerful tool for the structural and chemical characterization of materials at the nanoscale. In...
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Scanning Transmission Electron Microscopy of Magnetic Nanoalloys and Their Nanocomposites
Transmission electron microscopy (TEM) is a powerful tool for the structural and chemical characterization of materials at the nanoscale. In...
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Imaging atomic-scale chemistry from fused multi-modal electron microscopy
Efforts to map atomic-scale chemistry at low doses with minimal noise using electron microscopes are fundamentally limited by inelastic interactions....
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Visible light-induced H2 production and pollutant degradation by copper oxide nanosphere embedded zinc-cadmium-sulfide composite
Green hydrogen production using solar water splitting and solving water pollution issues are intricately intertwined global goals which are hindered...
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Plasmon assisted synthesis of TiN-supported single-atom nickel catalysts
We report the deposition of single atom nickel catalyst on refractory plasmonic titanium nitride (TiN) nanomaterials supports using the wet synthesis...
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Measurement of Lattice Distortion in NbTaTiV and NbTaTiVZr Using Electron Microscopy
High annular angle dark field-scanning transmission electron microscopy (HAADF-STEM) was used to directly measure the lattice distortion of NbTaTiV...
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Icosahedral quasicrystal structure of the Mg40Zn55Nd5 phase and its thermodynamic stability
The quasicrystal phase is beneficial to increasing the strength of magnesium alloys. However, its complicated structure and unclear phase relations...
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Effect of Sc addition on evolution of microstructure, texture and strength of high-pressure torsion-processed AA2195 Al–Li alloy
The effect of Sc addition to AA2195 (NoSc) alloy by 0.025 wt% (LoSc) and 0.25 wt% (HiSc) on the evolution of microstructure, texture and mechanical...
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Going beyond atom visualization—Characterization of supported two-atom single-cluster catalysts with scanning transmission electron microscopy
As an innovative development of single-atom catalysts (SACs), single-cluster catalysts (SCCs) such as dual-atom catalysts have attracted considerable...
