Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Li, Zuanyi"'
Autor:
Rojo, Miguel Munoz, Li, Zuanyi, Sievers, Charles, Bornstein, Alex C., Yalon, Eilam, Deshmukh, Sanchit, Vaziri, Sam, Bae, Myung-Ho, Xiong, Feng, Donadio, Davide, Pop, Eric
Publikováno v:
2D Materials, 6, 011005 (2019)
Step junctions are often present in layered materials, i.e. where single-layer regions meet multi-layer regions, yet their effect on thermal transport is not understood to date. Here, we measure heat flow across graphene junctions (GJs) from monolaye
Externí odkaz:
http://arxiv.org/abs/1811.12622
Layered materials have uncommonly anisotropic thermal properties due to their strong in-plane covalent bonds and weak out-of-plane van der Waals interactions. Here we examine heat flow in graphene (graphite), h-BN, MoS2, and WS2 monolayers and bulk f
Externí odkaz:
http://arxiv.org/abs/1711.02772
The thermal properties of single-walled carbon nanotubes (SWNTs) are of significant interest, yet their dependence on SWNT chirality has been, until now, not explored experimentally. Here we used electrical heating and infrared thermal imaging to sim
Externí odkaz:
http://arxiv.org/abs/1601.07560
Publikováno v:
Applied Physics Letters 105 (02), 023107 (2014)
We demonstrate a substrate-supported thermometry platform to measure thermal conduction in nanomaterials like graphene, with no need to suspend them. We use three-dimensional simulations and careful uncertainty analysis to optimize the platform geome
Externí odkaz:
http://arxiv.org/abs/1407.6025
Publikováno v:
Small 10, 2182-2199 (2014)
The subject of thermal transport at the mesoscopic scale and in low-dimensional systems is interesting for both fundamental research and practical applications. As the first example of truly two-dimensional materials, graphene has exceptionally high
Externí odkaz:
http://arxiv.org/abs/1401.3415
Autor:
Bae, Myung-Ho, Li, Zuanyi, Aksamija, Zlatan, Martin, Pierre N., Xiong, Feng, Ong, Zhun-Yong, Knezevic, Irena, Pop, Eric
Publikováno v:
Nature Communications 4, 1734 (2013)
Heat flow in nanomaterials is an important area of study, with both fundamental and technological implications. However, little is known about heat flow in two-dimensional (2D) devices or interconnects with dimensions comparable to the phonon mean fr
Externí odkaz:
http://arxiv.org/abs/1304.1179
Publikováno v:
IEEE Electron Device Letters, vol. 34, pp. 166-168 (2013)
We use simulations to examine current saturation in sub-micron graphene transistors on SiO2/Si. We find self-heating is partly responsible for current saturation (lower output conductance), but degrades current densities >1 mA/um by up to 15%. Heatin
Externí odkaz:
http://arxiv.org/abs/1212.5629
Spontaneous edge-defect formation and defect-induced conductance suppression in graphene nanoribbons
Autor:
Li, Jia, Li, Zuanyi, Zhou, Gang, Liu, Zhirong, Wu, Jian, Gu, Bing-Lin, Ihm, Jisoon, Duan, Wenhui
Publikováno v:
Physical Review B 82(11), 115410 (2010)
We present a first-principles study of the migration and recombination of edge defects (carbon adatom and/or vacancy) and their influence on electrical conductance in zigzag graphene nanoribbons (ZGNRs). It is found that at room temperature, the adat
Externí odkaz:
http://arxiv.org/abs/1009.0022
Publikováno v:
Journal of Nanoscience and Nanotechnology 10 (8), 5374-5378 (2010), as a part of the proceedings of the 6th International Conference on Materials Processing for Properties and Performance (MP3-2007), Beijing, China, Sep. 13-16, 2007
The spin-polarized electronic structure and half-metallicity of zigzag graphene nanoribbons (ZGNRs) with asymmetric edge terminations are investigated by using first principles calculations. It is found that compared with symmetric hydrogen-terminate
Externí odkaz:
http://arxiv.org/abs/1005.0116
Publikováno v:
Physical Review Letters 100 (20), 206802 (2008)
The intrinsic transport properties of zigzag graphene nanoribbons (ZGNRs) are investigated using first principles calculations. It is found that although all ZGNRs have similar metallic band structure, they show distinctly different transport behavio
Externí odkaz:
http://arxiv.org/abs/1005.0115