Decoding of 23 Unique Magnetic Nanobarcodes
The unmet demand for data privacy and brand protection in anti-counterfeiting has urged heavyweight industries to develop new nanomaterials for barcoding. Here, we tailor the remanence spectra of magnetic nanowires (MNWs) to make 23 new unique magnetic nanobarcodes signatures. Using arrays of 30 and...
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| Veröffentlicht in: | IEEE transactions on magnetics 2022-02, Vol.58 (2), p.1-6 |
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| container_title | IEEE transactions on magnetics |
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| creator | Zamani Kouhpanji, Mohammad Reza Um, Joseph Stadler, Bethanie |
| description | The unmet demand for data privacy and brand protection in anti-counterfeiting has urged heavyweight industries to develop new nanomaterials for barcoding. Here, we tailor the remanence spectra of magnetic nanowires (MNWs) to make 23 new unique magnetic nanobarcodes signatures. Using arrays of 30 and 100 nm diameter MNWs, composed of FeCo, Ni, or Co, we establish design rules for generating diverse codes followed by the description of a simple decoding algorithm. When used together, remanence spectra and our decoding algorithm enabled unambiguous identification of 14 of 15 combinations of two nanobarcodes. When three nanobarcodes were present at the readout simultaneously, our algorithm was able to successfully identify 9 of 20 combinations. Our approach opens a promising path toward expandable encoding and reliable decoding of MNWs. |
| doi_str_mv | 10.1109/TMAG.2021.3096169 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Decoding Magnetic field measurement Magnetic nanowires (MNWs) Magnetism Magnetization Magnetosphere nanobarcoding Nanomaterials Nanowires Perpendicular magnetic anisotropy reliable decoding Remanence remanence spectra |
| title | Decoding of 23 Unique Magnetic Nanobarcodes |
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