Kavli Affiliate: Grace Xing
| First 5 Authors: Alice Ho, Alice Ho, , ,
| Summary:
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.
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