Laser pulsing of field evaporation in atom probe tomography
The processes by which field evaporation in an atom probe is momentarily stimulated by
impingement of a laser beam on a specimen are considered. For metals, the dominant and …
impingement of a laser beam on a specimen are considered. For metals, the dominant and …
On the interaction of an ultra-fast laser with a nanometric tip by laser assisted atom probe tomography: A review
A Vella - Ultramicroscopy, 2013 - Elsevier
The evaporation mechanisms of surface atoms in laser assisted atom probe tomography (LA-
APT) are reviewed with an emphasis on the changes in laser-matter interaction when the …
APT) are reviewed with an emphasis on the changes in laser-matter interaction when the …
Development of automated tip preparation for atom probe tomography by using script-controlled FIB-SEM
Atom probe tomography (APT) has become a popular technique for microstructural analysis
of a wide range of alloys and devices over the past two decades owing to the employment of …
of a wide range of alloys and devices over the past two decades owing to the employment of …
Broadening the applications of the atom probe technique by ultraviolet femtosecond laser
Laser assisted field evaporation using ultraviolet (UV) wavelength gives rise to better mass
resolution and signal-to-noise ratio in atom probe mass spectra of metals, semiconductors …
resolution and signal-to-noise ratio in atom probe mass spectra of metals, semiconductors …
Quantification of solute deuterium in titanium deuteride by atom probe tomography with both laser pulsing and high-voltage pulsing: Influence of the surface electric …
YH Chang, I Mouton, L Stephenson… - New Journal of …, 2019 - iopscience.iop.org
Atom probe tomography (APT) has been increasingly used to investigate hydrogen
embrittlement in metals due to its unique capacity for direct imaging of H atoms interacting …
embrittlement in metals due to its unique capacity for direct imaging of H atoms interacting …
Investigation of wüstite (Fe1− xO) by femtosecond laser assisted atom probe tomography
In this paper, we report results obtained from laser assisted three-dimensional (3-D) atom
probe tomography (APT) on wüstite (Fe1− xO). Oxides are generally insulating and hence …
probe tomography (APT) on wüstite (Fe1− xO). Oxides are generally insulating and hence …
Field evaporation mechanism of bulk oxides under ultra fast laser illumination
A Vella, B Mazumder, G Da Costa… - Journal of Applied …, 2011 - pubs.aip.org
The controlled field evaporation of single atoms from an oxide surface assisted by ultra fast
laser pulses has recently been demonstrated. When UV light is used, a photoionization …
laser pulses has recently been demonstrated. When UV light is used, a photoionization …
In Situ Metallic Coating of Atom Probe Specimen for Enhanced Yield, Performance, and Increased Field-of-View
Atom probe tomography requires needle-shaped specimens with a diameter typically below
100 nm, making them both very fragile and reactive, and defects (notches at grain …
100 nm, making them both very fragile and reactive, and defects (notches at grain …
In-situ observation of non-hemispherical tip shape formation during laser-assisted atom probe tomography
S Koelling, N Innocenti, A Schulze, M Gilbert… - Journal of Applied …, 2011 - pubs.aip.org
It is shown by SEM imaging of the tip and by observing the emission pattern of the
evaporated atoms that laser assisted evaporation in an atom probe can lead to …
evaporated atoms that laser assisted evaporation in an atom probe can lead to …
Optimization of material analysis conditions for laser-assisted atom probe tomography characterization
OA Raznitsyn, AA Lukyanchuk, AS Shutov… - Journal of analytical …, 2017 - Springer
Atom probe tomography (APT) analysis with a femtosecond laser is one of the most
promising techniques to characterize local variations of chemical distribution in materials …
promising techniques to characterize local variations of chemical distribution in materials …