inelastic transport
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2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Lijie Li ◽  
Jian-Hua Jiang

Abstract The performance of thermoelectric energy harvesters can be improved by nanostructures that exploit inelastic transport processes. One prototype is the three-terminal hopping thermoelectric device where electron hopping between quantum-dots are driven by hot phonons. Such three-terminal hopping thermoelectric devices have potential in achieving high efficiency or power via inelastic transport and without relying on heavy-elements or toxic compounds. We show in this work how output power of the device can be optimized via tuning the number and energy configuration of the quantum-dots embedded in parallel nanowires. We find that the staircase energy configuration with constant energy-step can improve the power factor over a serial connection of a single pair of quantum-dots. Moreover, for a fixed energy-step, there is an optimal length for the nanowire. Similarly for a fixed number of quantum-dots there is an optimal energy-step for the output power. Our results are important for future developments of high-performance nanostructured thermoelectric devices.



2016 ◽  
Vol 7 (1) ◽  
Author(s):  
Vittorio Peano ◽  
Martin Houde ◽  
Christian Brendel ◽  
Florian Marquardt ◽  
Aashish A. Clerk


2015 ◽  
Vol 6 ◽  
pp. 2417-2422 ◽  
Author(s):  
David Rakhmilevitch ◽  
Oren Tal

The vibration-mediated Kondo effect attracted considerable theoretical interest during the last decade. However, due to lack of extensive experimental demonstrations, the fine details of the phenomenon were not addressed. Here, we analyze the evolution of vibration-mediated Kondo effect in molecular junctions during mechanical stretching. The described analysis reveals the different contributions of Kondo and inelastic transport.



2014 ◽  
Vol 104 (14) ◽  
pp. 143107 ◽  
Author(s):  
C. Ritter ◽  
R. B. Muniz ◽  
A. Latgé


2014 ◽  
Vol 112 (8) ◽  
Author(s):  
M. V. Costache ◽  
I. Neumann ◽  
J. F. Sierra ◽  
V. Marinova ◽  
M. M. Gospodinov ◽  
...  




2013 ◽  
Author(s):  
Ryosuke Yoshii ◽  
Rui Sakano ◽  
Mikio Eto ◽  
Ian Affleck




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