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Seidman, David N. |
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Publication |
Three-Dimensional Atom-Probe Tomography: Advances and Applications |
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Journal Article |
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2007 |
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Abstract |
Annual Review of Materials Research |
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37 |
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127-158 |
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field-ion microscopy, time-of-flight mass spectrometry, laser-assisted LEAPTM tomography, α-Al/Al3Sc heterophase interfaces, Ni-Al-Cr alloys, Ni-Al-Cr-Re alloys, InAs nanowires |
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Abbreviated Series Title |
This review presents the historical temporal evolution of an atomprobe
tomograph (APT) from its genesis (1973) from field-ion microscope
images of individual tungsten atoms (1955). The capabilities
of modern APTs employing either electrical or laser pulsing are
discussed. The results of the application of APTs to specific materials
science problems are presented for research performed at Northwestern
University on the following problems: (a) the segregation
of Mg at α-Al/Al3Sc heterophase interfaces, (b) phase decomposition
in ternary Ni-Al-Cr and quaternary Ni-Al-Cr-Re alloys, and
(c) 3-D nanoscale composition mapping of an InAs semiconductor
nanowire whose growth was catalyzed by gold. These results demonstrate
that it is now possible to obtain highly quantitative information
from APT that can be compared with modeling, theory, simulations,
and/or first-principles calculations. |
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NU @ karnesky @ |
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1926 |
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