Fabrication and electron holography characterization of FePt alloy nanorods

R. C. Che, M. Takeguchi, M. Shimojo, W. Zhang, K. Furuya

研究成果: Article

45 被引用数 (Scopus)

抄録

Well-aligned, ferromagnetic FePt nanorods have been fabricated by electron beam-induced deposition using an ultrahigh-vacuum scanning electron microscope. A mixture gas of iron pentacarbonyl and cyclopentadienylplatinum (IV) trimethyl was used as a precursor and post-annealing at 600 °C for 2 h was performed to accomplish the crystallization process. Each nanorod was composed of a chain of crystalline Fe-Pt alloy nanoparticles encapsulated within a carbon-containing sheath. The nanoparticles were identified to be face centered tetragonal (fct) FePt phase (L 10, P4mmm) by electron diffraction and high-resolution transmission electron microscopy (HRTEM). The residual magnetic flux density Br of the nanorods was evaluated to be about 1.53 T via off-axis electron holography, showing a strong ferromagnetic character.

本文言語English
論文番号223109
ページ(範囲)1-3
ページ数3
ジャーナルApplied Physics Letters
87
22
DOI
出版ステータスPublished - 2005 11 30
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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