Fabrication of Atom Probe Tomography Specimens from Nanoparticles Using a Fusible Bi-In-Sn Alloy as an Embedding Medium

Authors
Kim, Se-HoLee, Ji YeongAhn, Jae-PyoungChoi, Pyuck-Pa
Issue Date
2019-04
Publisher
CAMBRIDGE UNIV PRESS
Citation
MICROSCOPY AND MICROANALYSIS, v.25, no.2, pp.438 - 446
Abstract
We propose a new method for preparing atom probe tomography specimens from nanoparticles using a fusible bismuth-indium-tin alloy as an embedding medium. Iron nanoparticles synthesized by the sodium borohydride reduction method were chosen as a model system. The as-synthesized iron nanoparticles were embedded within the fusible alloy using focused ion beam milling and ion-milled to needle-shaped atom probe specimens under cryogenic conditions. An atom probe analysis revealed boron atoms in a detected iron nanoparticle, indicating that boron from the sodium borohydride reductant was incorporated into the nanoparticle during its synthesis.
Keywords
ZERO-VALENT IRON; FE-B; HYDROGEN GENERATION; BOROHYDRIDE REDUCTION; SODIUM-BOROHYDRIDE; PARTICLES; CATALYST; WATER; REMEDIATION; HYDROLYSIS; ZERO-VALENT IRON; FE-B; HYDROGEN GENERATION; BOROHYDRIDE REDUCTION; SODIUM-BOROHYDRIDE; PARTICLES; CATALYST; WATER; REMEDIATION; HYDROLYSIS; atom probe tomography; fusible alloy; nanoparticles
ISSN
1431-9276
URI
https://pubs.kist.re.kr/handle/201004/120170
DOI
10.1017/S1431927618015556
Appears in Collections:
KIST Article > 2019
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