Formation and magnetic properties of InFeP:Ag nanorods fabricated with noble metal Ag using an ion milling method
- Authors
- Sohn, Jae Min; Kim, Hyungsang; Im, Hyunsik; Kim, Hyungbae; Lee, Juwon; Shon, Yoon; Subramaniam, N. G.; Kang, Taewon; Kim, Deuk Young; Koo, Hyun Cheol; Lee, Joo-hyeon; Song, Jing Dong; Park, Chang-Soo; Kim, Eun Kyu
- Issue Date
- Dec-2017
- Publisher
- IOP PUBLISHING LTD
- Keywords
- noble metal; InFeP:Ag nanorods; ferromagnetism; diluted magnetic semiconductor
- Citation
- NANOTECHNOLOGY, v.28, no.50, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANOTECHNOLOGY
- Volume
- 28
- Number
- 50
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/151098
- DOI
- 10.1088/1361-6528/aa9832
- ISSN
- 0957-4484
- Abstract
- 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 T-c persists up to almost 350 K (3.9 x 10(-1) 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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