Optimization of thermo-spin voltage in vertical nanostructures by geometrical means
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866913197209944064 |
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| author | Gao, Fupeng Hu, Shaojie Wang, Dawei Kimura, Takashi |
| author_facet | Gao, Fupeng Hu, Shaojie Wang, Dawei Kimura, Takashi |
| contents | The thermo-spin conversion provides new concepts for further developing the green energy-harvesting technology because spin can be controlled with minimal energy in nanostructures. Through theoretical analysis of thermo-spin generation, transportation and conversion in ferromagnet/non-ferromagnet/heavy metal (FM/NM/HM) vertical structures, we found that the output transverse thermo-spin voltage is independent of the structure's width, but varies in a linear function with the structure's length. To validate our predictions, we fabricated the thermo-spin devices with a CoFeAl/Cu/Pt structure. Our results indicate that FM/NM/HM structures can be utilized to design flexible thermo-spin conversion devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_07755 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Optimization of thermo-spin voltage in vertical nanostructures by geometrical means Gao, Fupeng Hu, Shaojie Wang, Dawei Kimura, Takashi Applied Physics The thermo-spin conversion provides new concepts for further developing the green energy-harvesting technology because spin can be controlled with minimal energy in nanostructures. Through theoretical analysis of thermo-spin generation, transportation and conversion in ferromagnet/non-ferromagnet/heavy metal (FM/NM/HM) vertical structures, we found that the output transverse thermo-spin voltage is independent of the structure's width, but varies in a linear function with the structure's length. To validate our predictions, we fabricated the thermo-spin devices with a CoFeAl/Cu/Pt structure. Our results indicate that FM/NM/HM structures can be utilized to design flexible thermo-spin conversion devices. |
| title | Optimization of thermo-spin voltage in vertical nanostructures by geometrical means |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2401.07755 |