Pulsed-thermal processing of chemically synthesized FePt nanoparticles

Shifan Shi; Shishou Kang; J. Lawson; Zhiyong Jia; D. Nikles; J. W. Harrell; Ronald D. Ott; P. Kadolkar

doi:10.1007/s11837-006-0180-z

Pulsed-thermal processing of chemically synthesized FePt nanoparticles

Shifan Shi, Shishou Kang, J. Lawson, Zhiyong Jia, D. Nikles, J. W. Harrell, Ronald D. Ott, P. Kadolkar

Energy Science and Technology Directorat

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

4 Scopus citations

Abstract

The disordered face-centered-cubic A1 to the chemical ordered face-centered-tetragonal L1₀ phase transformation of chemically synthesized magnetic FePt nanoparticles has been studied in the millisecond regime using a pulsed high-density plasma arc light source. Under select annealing conditions, relatively high magnetic coercivities (Hc) and anisotropies (Hk) of FePt nanoparticles were obtained with the millisecond pulse processing without significant sintering of the nanoparticles.

Original language	English
Pages (from-to)	43-45
Number of pages	3
Journal	JOM
Volume	58
Issue number	6
DOIs	https://doi.org/10.1007/s11837-006-0180-z
State	Published - Jun 2006

Funding

This work was sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT- Battelle, LLC for the U.S. Department of Energy under Contract No. DE-AC05-00OR22725, and National Science Foundation Materials Research and Engineering Center Award No. DMR-0213985.

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abstract = "The disordered face-centered-cubic A1 to the chemical ordered face-centered-tetragonal L10 phase transformation of chemically synthesized magnetic FePt nanoparticles has been studied in the millisecond regime using a pulsed high-density plasma arc light source. Under select annealing conditions, relatively high magnetic coercivities (Hc) and anisotropies (Hk) of FePt nanoparticles were obtained with the millisecond pulse processing without significant sintering of the nanoparticles.",

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AU - Shi, Shifan

AU - Kang, Shishou

AU - Lawson, J.

AU - Jia, Zhiyong

AU - Nikles, D.

AU - Harrell, J. W.

AU - Ott, Ronald D.

AU - Kadolkar, P.

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AB - The disordered face-centered-cubic A1 to the chemical ordered face-centered-tetragonal L10 phase transformation of chemically synthesized magnetic FePt nanoparticles has been studied in the millisecond regime using a pulsed high-density plasma arc light source. Under select annealing conditions, relatively high magnetic coercivities (Hc) and anisotropies (Hk) of FePt nanoparticles were obtained with the millisecond pulse processing without significant sintering of the nanoparticles.

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Pulsed-thermal processing of chemically synthesized FePt nanoparticles

Abstract

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