Single-crystalline ferromagnetic Mn 4Si 7 nanowires

Moon Ho Ham, Jae Woong Lee, Kyeong Ju Moon, Ji Hyuk Choi, Jae Min Myoung

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Abstract

We report the synthesis of single-crystalline Mn 4Si 7 nanowires using SiO and MnCl 2 powders via the chemical vapor deposition method and their ferromagnetic properties. It is shown from XRD and TEM analyses that the synthesized nanowires have single-crystalline tetragonal Mn 4Si 7 structure with the growth direction along [002]. The magnetic measurements indicate that the nanowires are ferromagnetic with a Curie temperature of 120 K. In addition, it is found that the nanowires are degenerately doped. These results suggest that the ferromagnetic Mn 4Si 7 nanowires could be employed for Si-based spintronic nanodevices coupled with complementary metal-oxide-semiconductor integrated circuits.

Original languageEnglish
Pages (from-to)8143-8146
Number of pages4
JournalJournal of Physical Chemistry C
Volume113
Issue number19
DOIs
Publication statusPublished - 2009 May 14

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Surfaces, Coatings and Films
  • Physical and Theoretical Chemistry

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