Formation and magnetic properties of InFeP: Ag nanorods fabricated with noble metal Ag using an ion milling method
- Formation and magnetic properties of InFeP: Ag nanorods fabricated with noble metal Ag using an ion milling method
- 송진동; 구현철; 이주현; Jae Min Sohn; Hyungsang Kim; Hyunsik Im; Hyungbae Kim; Juwon Lee; Yoon Shon; N G Subramaniam; Taewon Kang; Deuk Young Kim; Chang-Soo Park; Eun Kyu Kim
- inFeP; Ag nanorods; magnetic properties; ion milling; noble metal; ferromagnetism; diluted magnetic semiconductor
- Issue Date
- VOL 28, NO 50-505702-8
- The formation, including the density and height of the InFeP:Ag nanorods doped with noble metal Ag using an ion milling method, was preponderantly determined from transmission electron microscopy and x-ray diffraction analyses. We investigate, in particular, the enhanced ferromagnetism of the well-aligned InFeP:Ag nanorods. Auger electron spectroscopy and x-ray photoelectron spectroscopy measurements were carried out in order to investigate the incorporation of Ag and to verify the local chemical bonding of the InFeP:Ag nanorods. The variation of FWHM for the double-crystal x-ray rocking curve and triple-axis diffraction peaks demonstrates that noble metal Ag is incorporated into the InFeP:Ag nanorods. The noticeable ferromagnetic signature (M-H curve) of the InFeP:Ag nanorods is observed and Tc persists up to almost 350 K (3.9 × 10− 4 emu g− 1), as determined by temperature-dependence magnetization (M-T curve) measurements. This study suggests that the InFeP:Ag nanorods should be a potential candidate for the application of spintronic devices.
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