Three-dimensional nanoscale characterisation of materials by atom probe tomography

A Devaraj, DE Perea, J Liu, LM Gordon… - International …, 2018 - Taylor & Francis
The development of three-dimensional (3-D), characterisation techniques with high spatial
and mass resolution is crucial for understanding and developing advanced materials for …

Grain Boundaries in Cu(In, Ga)Se2: A Review of Composition–Electronic Property Relationships by Atom Probe Tomography and Correlative Microscopy

O Cojocaru‐Mirédin, M Raghuwanshi… - Advanced Functional …, 2021 - Wiley Online Library
Abstract Cu (In, Ga) Se2 thin‐film solar cells have attracted significant research interest in
recent decades due to their high efficiency in converting solar energy into electricity for …

Strengthening and strain hardening mechanisms in a precipitation-hardened high-Mn lightweight steel

MJ Yao, E Welsch, D Ponge, SMH Haghighat… - Acta Materialia, 2017 - Elsevier
We report on the strengthening and strain hardening mechanisms in an aged high-Mn
lightweight steel (Fe-30.4 Mn-8Al-1.2 C, wt.%) studied by electron channeling contrast …

Local crystal misorientation influences non-radiative recombination in halide perovskites

S Jariwala, H Sun, GWP Adhyaksa, A Lof… - Joule, 2019 - cell.com
We use ultrasensitive electron backscatter diffraction (EBSD) to map the local crystal
orientations, grains, and grain boundaries in CH 3 NH 3 PbI 3 (MAPI) perovskite thin films …

The role of grain boundary character in solute segregation and thermal stability of nanocrystalline Pt–Au

CM Barr, SM Foiles, M Alkayyali, Y Mahmood, PM Price… - Nanoscale, 2021 - pubs.rsc.org
Nanocrystalline (NC) metals suffer from an intrinsic thermal instability; their crystalline grains
undergo rapid coarsening during processing treatments or under service conditions. Grain …

Hydrogen embrittlement of twinning-induced plasticity steels: Contribution of segregation to twin boundaries

H Khanchandani, R Rolli, HC Schneider… - Scripta Materialia, 2023 - Elsevier
Metallic materials, especially steel, underpin transportation technologies. High-manganese
twinning induced plasticity (TWIP) austenitic steels exhibit exceptional strength and ductility …

Ag-segregation to dislocations in PbTe-based thermoelectric materials

Y Yu, S Zhang, AM Mio, B Gault… - … applied materials & …, 2018 - ACS Publications
Dislocations have been considered to be an efficient source for scattering midfrequency
phonons, contributing to the enhancement of thermoelectric performance. The structure of …

Quantifying lithium enrichment at grain boundaries in Li7La3Zr2O12 solid electrolyte by correlative microscopy

O Cojocaru-Mirédin, J Schmieg, M Müller… - Journal of Power …, 2022 - Elsevier
One of the key materials for all-solid-state batteries based on oxide electrolytes is the
polycrystalline Li 7 La 3 Zr 2 O 12 (LLZO). It has been reported that metallic Li can …

Interconnection between Trait, Structure, and Composition of Grain Boundaries in Cu(In,Ga)Se2 Thin‐Film Solar Cells

M Raghuwanshi, R Wuerz… - Advanced Functional …, 2020 - Wiley Online Library
Grain boundaries (GBs) are crucial for solar cells incorporating polycrystalline absorbers
and particularly for those characterized by small grain sizes (≈ 2 µm). For example, random …

Strain-induced asymmetric line segregation at faceted Si grain boundaries

CH Liebscher, A Stoffers, M Alam, L Lymperakis… - Physical review …, 2018 - APS
The unique combination of atomic-scale composition measurements, employing atom probe
tomography, atomic structure determination with picometer resolution by aberration …