Atom probe tomography
Atom probe tomography (APT) provides three-dimensional compositional mapping with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …
Grain boundary complexion transitions
Grain boundaries can undergo phase-like transitions, called complexion transitions, in
which their structure, composition, and properties change discontinuously as temperature …
which their structure, composition, and properties change discontinuously as temperature …
Observations of grain-boundary phase transformations in an elemental metal
The theory of grain boundary (the interface between crystallites, GB) structure has a long
history and the concept of GBs undergoing phase transformations was proposed 50 years …
history and the concept of GBs undergoing phase transformations was proposed 50 years …
Understanding grain boundary electrical resistivity in Cu: the effect of boundary structure
Grain boundaries (GBs) in metals usually increase electrical resistivity due to their distinct
atomic arrangement compared to the grain interior. While the GB structure has a crucial …
atomic arrangement compared to the grain interior. While the GB structure has a crucial …
Grand canonically optimized grain boundary phases in hexagonal close-packed titanium
Grain boundaries (GBs) profoundly influence the properties and performance of materials,
emphasizing the importance of understanding the GB structure and phase behavior. As …
emphasizing the importance of understanding the GB structure and phase behavior. As …
Unveiling of interstice-occupying dopant segregation at grain boundaries in perovskite oxide dielectrics for a new class of ceramic capacitors
When aliovalent foreign cations are doped into ABO3-type perovskite oxides, they are
usually substituted for either dodecahedral A or octahedral B sites, depending on their …
usually substituted for either dodecahedral A or octahedral B sites, depending on their …
The role of grain boundary character in solute segregation and thermal stability of nanocrystalline Pt–Au
Nanocrystalline (NC) metals suffer from an intrinsic thermal instability; their crystalline grains
undergo rapid coarsening during processing treatments or under service conditions. Grain …
undergo rapid coarsening during processing treatments or under service conditions. Grain …
Automated crystal orientation mapping in py4DSTEM using sparse correlation matching
C Ophus, SE Zeltmann, A Bruefach… - Microscopy and …, 2022 - cambridge.org
Crystalline materials used in technological applications are often complex assemblies
composed of multiple phases and differently oriented grains. Robust identification of the …
composed of multiple phases and differently oriented grains. Robust identification of the …
Twin boundary superstructures assembled by periodic segregation of solute atoms
H Xie, H Pan, J Bai, D Xie, P Yang, S Li, J Jin… - Nano Letters, 2021 - ACS Publications
Twinning is a common deformation mechanism in metals, and twin boundary (TB)
segregation of impurities/solutes plays an important role in the performances of alloys such …
segregation of impurities/solutes plays an important role in the performances of alloys such …
Atomic motifs govern the decoration of grain boundaries by interstitial solutes
Grain boundaries, the two-dimensional defects between differently oriented crystals, tend to
preferentially attract solutes for segregation. Solute segregation has a significant effect on …
preferentially attract solutes for segregation. Solute segregation has a significant effect on …