Three-dimensional chemical imaging of embedded nanoparticles using atom probe tomography

Satyanarayana V N T Kuchibhatla, V. Shutthanandan, T. J. Prosa, P. Adusumilli, B. Arey, A. Buxbaum, Y. C. Wang, T. Tessner, R. Ulfig, C. M. Wang, S. Thevuthasan

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Analysis of nanoparticles is often challenging especially when they are embedded in a matrix. Hence, we have used laser-assisted atom probe tomography (APT) to analyze the Au nanoclusters synthesized in situ using ion-beam implantation in a single crystal MgO matrix. APT analysis along with scanning transmission electron microscopy and energy dispersive spectroscopy (STEM-EDX) indicated that the nanoparticles have an average size ∼8-12nm. While it is difficult to analyze the composition of individual nanoparticles using STEM, APT analysis can give three-dimensional compositions of the same. It was shown that the maximum Au concentration in the nanoparticles increases with increasing particle size, with a maximum Au concentration of up to 50%.

Original languageEnglish
Article number215704
JournalNanotechnology
Volume23
Issue number21
DOIs
Publication statusPublished - 1 Jun 2012
Externally publishedYes

Fingerprint

Three-Dimensional Imaging
Nanoparticles
Scanning Transmission Electron Microscopy
Tomography
Imaging techniques
Atoms
Energy dispersive spectroscopy
Nanoclusters
Chemical analysis
Particle Size
Ion implantation
Ion beams
Spectrum Analysis
Lasers
Particle size
Single crystals
Ions
Transmission electron microscopy
Scanning electron microscopy

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Kuchibhatla, S. V. N. T., Shutthanandan, V., Prosa, T. J., Adusumilli, P., Arey, B., Buxbaum, A., ... Thevuthasan, S. (2012). Three-dimensional chemical imaging of embedded nanoparticles using atom probe tomography. Nanotechnology, 23(21), [215704]. https://doi.org/10.1088/0957-4484/23/21/215704

Three-dimensional chemical imaging of embedded nanoparticles using atom probe tomography. / Kuchibhatla, Satyanarayana V N T; Shutthanandan, V.; Prosa, T. J.; Adusumilli, P.; Arey, B.; Buxbaum, A.; Wang, Y. C.; Tessner, T.; Ulfig, R.; Wang, C. M.; Thevuthasan, S.

In: Nanotechnology, Vol. 23, No. 21, 215704, 01.06.2012.

Research output: Contribution to journalArticle

Kuchibhatla, SVNT, Shutthanandan, V, Prosa, TJ, Adusumilli, P, Arey, B, Buxbaum, A, Wang, YC, Tessner, T, Ulfig, R, Wang, CM & Thevuthasan, S 2012, 'Three-dimensional chemical imaging of embedded nanoparticles using atom probe tomography', Nanotechnology, vol. 23, no. 21, 215704. https://doi.org/10.1088/0957-4484/23/21/215704
Kuchibhatla SVNT, Shutthanandan V, Prosa TJ, Adusumilli P, Arey B, Buxbaum A et al. Three-dimensional chemical imaging of embedded nanoparticles using atom probe tomography. Nanotechnology. 2012 Jun 1;23(21). 215704. https://doi.org/10.1088/0957-4484/23/21/215704
Kuchibhatla, Satyanarayana V N T ; Shutthanandan, V. ; Prosa, T. J. ; Adusumilli, P. ; Arey, B. ; Buxbaum, A. ; Wang, Y. C. ; Tessner, T. ; Ulfig, R. ; Wang, C. M. ; Thevuthasan, S. / Three-dimensional chemical imaging of embedded nanoparticles using atom probe tomography. In: Nanotechnology. 2012 ; Vol. 23, No. 21.
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