Generalized quantum limits of electrical contact resistance and thermal boundary resistance
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866912644253876224 |
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| author | Ho, Alice Singhal, Jashan Akinwande, Deji Xing, Huili Grace Jena, Debdeep |
| author_facet | Ho, Alice Singhal, Jashan Akinwande, Deji Xing, Huili Grace Jena, Debdeep |
| contents | The importance of electrical contact resistance and thermal boundary resistance has increased dramatically as devices are scaled to atomic limits. The use of a rich range of materials with various bandstructures (e.g. parabolic, conical), and in geometries exploiting various dimensionalities (e.g. 1D wires, 2D sheets, and 3D bulk) will increase in the future. Here we derive a single general expression for the quantum limit of electrical contact resistivity for various bandstructures and all dimensions. A corresponding result for the quantum limit of thermal boundary resistance is also derived. These results will be useful to quantitatively co-design, benchmark, and guide the lowering of electrical and thermal boundary resistances for energy efficient devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_10919 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Generalized quantum limits of electrical contact resistance and thermal boundary resistance Ho, Alice Singhal, Jashan Akinwande, Deji Xing, Huili Grace Jena, Debdeep Materials Science The importance of electrical contact resistance and thermal boundary resistance has increased dramatically as devices are scaled to atomic limits. The use of a rich range of materials with various bandstructures (e.g. parabolic, conical), and in geometries exploiting various dimensionalities (e.g. 1D wires, 2D sheets, and 3D bulk) will increase in the future. Here we derive a single general expression for the quantum limit of electrical contact resistivity for various bandstructures and all dimensions. A corresponding result for the quantum limit of thermal boundary resistance is also derived. These results will be useful to quantitatively co-design, benchmark, and guide the lowering of electrical and thermal boundary resistances for energy efficient devices. |
| title | Generalized quantum limits of electrical contact resistance and thermal boundary resistance |
| topic | Materials Science |
| url | https://arxiv.org/abs/2510.10919 |