Journal ArticleDOI
Demonstration of electron filtering to increase the Seebeck coefficient in In 0.53 Ga 0.47 As ∕ In 0.53 Ga 0.28 Al 0.19 As superlattices
Joshua M. O. Zide,Daryoosh Vashaee,Zhixi Bian,Gehong Zeng,John E. Bowers,Ali Shakouri,Arthur C. Gossard +6 more
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In this paper, the authors explore electron filtering as a technique to increase the Seebeck coefficient and the thermoelectric power factor of heterostructured materials over that of the bulk.Abstract:
In this paper, we explore electron filtering as a technique to increase the Seebeck coefficient and the thermoelectric power factor of heterostructured materials over that of the bulk We present a theoretical model in which the Seebeck coefficient and the power factor can be increased in an ${\mathrm{In}}_{053}{\mathrm{Ga}}_{047}\mathrm{As}$-based composite material Experimental measurements of the cross-plane Seebeck coefficient are presented and confirm the importance of the electron filtering technique to decouple the electrical conductivity and Seebeck coefficient to increase the thermoelectric power factorread more
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Journal ArticleDOI
Enhanced Thermoelectric Properties of Cobalt Silicide-Silicon Heterostructured Nanowires
Seungho Lee,Hyeonsu Cho,Sol Yoon,Myunghae Seo,Hyeongseok Yoo,Byoung Don Kong,Meyya Meyyappan,Chang-Ki Baek +7 more
TL;DR: In this article, the authors have fabricated cobalt silicide/silicon heterostructure on both ends of nanowires using self-aligned silicide (salicide) process.
Book ChapterDOI
Thermoelectric Nanocomposite for Energy Harvesting
Ehsan Ghafari,Frederico M. Severgnini,SeyedAli Ghahari,Yining Feng,Eu Jin Lee,Chaoyi Zhang,Xiaodong Jiang,Na Lu +7 more
Journal ArticleDOI
The influence of non-idealities on the thermoelectric power factor of nanostructured superlattices
TL;DR: In this paper, the authors employ quantum mechanical electronic transport simulations to outline the detrimental effects of random variation, imperfections and nonoptimal barrier shapes in a superlattice geometry on these predicted power factor improvements.
Journal ArticleDOI
Progress of microscopic thermoelectric effects studied by micro- and nano-thermometric techniques
TL;DR: In this article, a short review of the microscopic techniques for studying nanoscale thermoelectricity, focusing mainly on scanning thermal microscopy (SThM), is presented.
Journal ArticleDOI
Enhancements of thermoelectric performance utilizing self-assembled monolayers in semiconductors
TL;DR: In this article, the authors investigated the thermoelectric effect of self-assembled monolayers (SAMs) in semiconductors (SCs) and showed that the performance of the SC-SAM-SC heterostructure is largely improved due to two reasons.