| Download | - View final version: Magnetic and acoustic excieations in confined nickel nanowires (PDF, 178 KiB)
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| Link | https://mpm.spbstu.ru/en/article/2001.5.6/ |
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| Author | Search for: Wang, Z. K.; Search for: Kuok, M. H.; Search for: Ng, S. C.; Search for: Fan, H. J.; Search for: Lockwood, David1; Search for: Nielsch, K.; Search for: Wehrspohn, R. B. |
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| Affiliation | - National Research Council of Canada. NRC Institute for Microstructural Sciences
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| Format | Text, Article |
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| Abstract | The magnetic and vibrational excitations of periodic arrays of Ni nanowires, in 1µmthick Al₂O₃ membranes on Al substrates, have been investigated by Brillouin scattering. Ni nanowires of 30 and 40 nm diameter and periodicity of 100 nm have been studied in a transverse magnetic field from 0-0.4 T. The p-s polarized spectra feature three peaks, with Brillouin frequencies below 20 GHz, and whose intensities are strongly dependent on the applied magnetic field and whose Stokes/anti-Stokes intensity ratios are unequal. These results indicate that the three peaks are magnetic in origin. A surface acoustic wave on the Ni-filled Al₂O₃ structures is also observed in p-p polarized spectra, with a phase velocity of about 3400 m/s for the 30nm-diameter nanowire sample. |
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| Publication date | 2001 |
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| Publisher | Advanced Study Center |
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| Licence | |
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| In | |
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| Peer reviewed | Yes |
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| NPARC number | 12743943 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | ee5b971c-1792-47eb-bbbc-fa43b1d62bc9 |
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| Record created | 2009-10-27 |
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| Record modified | 2024-05-28 |
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