Atom probe tomography

B Gault, A Chiaramonti, O Cojocaru-Mirédin… - Nature Reviews …, 2021 - nature.com
Atom probe tomography (APT) provides three-dimensional compositional map** with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …

Phase nucleation through confined spinodal fluctuations at crystal defects evidenced in Fe-Mn alloys

A Kwiatkowski da Silva, D Ponge, Z Peng… - Nature …, 2018 - nature.com
Abstract Analysis and design of materials and fluids requires understanding of the
fundamental relationships between structure, composition, and properties. Dislocations and …

Penetration of protective chromia scales by carbon

DJ Young, TD Nguyen, P Felfer, J Zhang, JM Cairney - Scripta Materialia, 2014 - Elsevier
Penetration of protective chromia scales by carbon - ScienceDirect Skip to main contentSkip
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Role of grain boundary character and its evolution on interfacial solute segregation behavior in nanocrystalline Ni-P

A Gupta, X Zhou, GB Thompson, GJ Tucker - Acta Materialia, 2020 - Elsevier
Interfacial solute segregation behavior of P in nanocrystalline (NC) Ni alloys is investigated
at the atomic scale using cross-correlative PED-APT measurements and atomistic …

An atom probe study on Nb solute partitioning and nanocrystalline grain stabilization in mechanically alloyed Cu-Nb

M Kapoor, T Kaub, KA Darling, BL Boyce… - Acta Materialia, 2017 - Elsevier
Nb solute behavior and its effect on grain size stabilization in Cu-Nb alloys was studied
using a combination of Vickers hardness testing, x-ray diffraction measurements …

Mining information from atom probe data

JM Cairney, K Rajan, D Haley, B Gault, PAJ Bagot… - Ultramicroscopy, 2015 - Elsevier
Whilst atom probe tomography (APT) is a powerful technique with the capacity to gather
information containing hundreds of millions of atoms from a single specimen, the ability to …

Atom probe study of impurity segregation at grain boundaries in chromia scales grown in CO2 gas

TD Nguyen, A La Fontaine, L Yang, JM Cairney… - Corrosion …, 2018 - Elsevier
Abstract Model alloys Fe-20Cr and Fe-20Cr-0.5 Si (wt.%) were exposed to Ar-20CO 2 and
Ar-20CO 2-20H 2 O gas mixtures at 650 and 818° C, forming Cr 2 O 3 scales. Impurities …

New approaches to nanoparticle sample fabrication for atom probe tomography

P Felfer, T Li, K Eder, H Galinski, AP Magyar, DC Bell… - Ultramicroscopy, 2015 - Elsevier
Due to their unique properties, nano-sized materials such as nanoparticles and nanowires
are receiving considerable attention. However, little data is available about their chemical …

Reflections on the analysis of interfaces and grain boundaries by atom probe tomography

BM Jenkins, F Danoix, M Gouné… - Microscopy and …, 2020 - academic.oup.com
Interfaces play critical roles in materials and are usually both structurally and
compositionally complex microstructural features. The precise characterization of their …

The rise of computational techniques in atom probe microscopy

AV Ceguerra, AJ Breen, LT Stephenson… - Current opinion in solid …, 2013 - Elsevier
Much effort has been devoted to the development of computational techniques in atom
probe microscopy over the past decade. There have been several drivers for this effort …