Microscopic Characterization of the L10-FePt Nanoparticles Synthesized by the SiO2-Nanoreactor Method

Yoshinori Tamada; Yasumasa Morimoto; Shinpei Yamamoto; Naoaki Hayashi; Mikio Takano; Saburou Nasu; Teruo Ono

doi:10.1143/JJAP.45.L1232

Microscopic Characterization of the L10-FePt Nanoparticles Synthesized by the SiO2-Nanoreactor Method

Materials Science 2015-06-25 v1

Authors: Yoshinori Tamada , Yasumasa Morimoto , Shinpei Yamamoto , Naoaki Hayashi , Mikio Takano , Saburou Nasu , Teruo Ono

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Abstract

We investigated magnetic properties of the L10-FePt nanoparticles synthesized by the SiO2-nanoreactor method by means of Moessbauer spectroscopy from the microscopic point of view. Almost all of the nanoparticles were revealed to have nearly the same Moessbauer hyperfine parameters as those of the bulk L10-FePt alloy, indicating that they have well-defined L10 structure equivalent to the bulk state in spite of their small size of 6.5 nm.

Keywords

L10-FePt nanoparticles Moessbauer spectroscopy microscopic characterization SiO2-nanoreactor method magnetic properties

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@article{arxiv.cond-mat/0607071,
  title  = {Microscopic Characterization of the L10-FePt Nanoparticles Synthesized by the SiO2-Nanoreactor Method},
  author = {Yoshinori Tamada and Yasumasa Morimoto and Shinpei Yamamoto and Naoaki Hayashi and Mikio Takano and Saburou Nasu and Teruo Ono},
  journal= {arXiv preprint arXiv:cond-mat/0607071},
  year   = {2015}
}

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13 pages, 4 figures

Microscopic Characterization of the L10-FePt Nanoparticles Synthesized by the SiO2-Nanoreactor Method

Abstract

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