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The Molecular Electronics Lab is dedicated to investigating the quantum transport behavior and regulation mechanism of materials at the nanoscale (molecular level). On the one hand, we design functional devices through device/molecular structure; on the other hand, we establish the relationship between device electrical properties and electronic structure through semiconductor physics theory to explain the physical mechanism of devices, and provide experimental schemes to guide device design and performance optimization.
Electrons transport through a barrier that will block them classically, so called tunneling. The low-bias resistance can be expressed as:
R=R0eβL
Where R0 is effective contact resistance, 𝛽 is tunneling attenuation factor, 𝐿 is the distance between two electrodes.
With increasing molecular length, a crossover from (non-resonant) tunneling to conduction via hopping can only be expected.
R=R0‘+C[Lexp(Ea/kBT)]
Where Ea is activation energy, T is temperature.
Molecular electronics is a high Interdisciplinary area which cover chemistry, physics, electronics and nanoelectronics, technology, artificial intelligence and medical equipment.
Molecular electronics is an effective way to explore the structure, electrical properties and mechanical properties of materials at the molecular level.
The field is facing the challenge of moving from the laboratory to the application of logic circuits.
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