Novel method for the synthesis of thin film coatings on particulate materials

J. M. Fitz-Gerald; R. K. Singh; H. Gao; D. Wright; M. Ollinger; J. W. Marcinka; S. J. Pennycook

doi:10.1557/jmr.1999.0444

Novel method for the synthesis of thin film coatings on particulate materials

J. M. Fitz-Gerald
, R. K. Singh
, H. Gao
, D. Wright
, M. Ollinger
, J. W. Marcinka
, S. J. Pennycook

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

In this paper, we show the feasibility of the pulsed-laser ablation technique to grow 20-30-nm-thick, discrete and continuous coatings on particulate material systems so that the properties of the core particles can be suitably modified. Experiments were conducted with a pulsed excimer laser (λ = 248 nm, pulse duration = 25 ns) to deposit nanoparticle coatings on Al₂O₃ and SiO₂ core particles by irradiation of Ag and Y₂O₃-Eu³⁺ sputtering targets. Structural characterization was performed with scanning electron microscopy, wavelength dispersive x-ray mapping, transmission electron microscopy, and scanning transmission electron microscopy with z-contrast.

Original language	English
Pages (from-to)	3281-3291
Number of pages	11
Journal	Journal of Materials Research
Volume	14
Issue number	8
DOIs	https://doi.org/10.1557/jmr.1999.0444
State	Published - Aug 1999
Externally published	Yes

Funding

Part of this research is sponsored by the National Science Foundation funded Engineering Research Center on Particle Science and Technology by Grant No. ERC 94-0929 and the Division of Materials Sciences, United States Department of Energy under Contract No. DE-AC05-96OR22464 with Lockheed Martin Energy Research Corporation.

Funders	Funder number
Division of Materials Sciences
Lockheed Martin Energy Research Corporation
National Science Foundation	ERC 94-0929
U.S. Department of Energy	DE-AC05-96OR22464

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10.1557/jmr.1999.0444

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year = "1999",

month = aug,

doi = "10.1557/jmr.1999.0444",

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AU - Singh, R. K.

AU - Gao, H.

AU - Wright, D.

AU - Ollinger, M.

AU - Marcinka, J. W.

AU - Pennycook, S. J.

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AB - In this paper, we show the feasibility of the pulsed-laser ablation technique to grow 20-30-nm-thick, discrete and continuous coatings on particulate material systems so that the properties of the core particles can be suitably modified. Experiments were conducted with a pulsed excimer laser (λ = 248 nm, pulse duration = 25 ns) to deposit nanoparticle coatings on Al2O3 and SiO2 core particles by irradiation of Ag and Y2O3-Eu3+ sputtering targets. Structural characterization was performed with scanning electron microscopy, wavelength dispersive x-ray mapping, transmission electron microscopy, and scanning transmission electron microscopy with z-contrast.

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Novel method for the synthesis of thin film coatings on particulate materials

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