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Modelling heat transfer of carbon nanotubes is important for the thermal management of nanotube-based composites and nanoelectronic device. By using a finite element method for three-dimensional anisotropic heat transfer, we have simulated…

Materials Science · Physics 2015-05-18 Xin-She Yang

Single wall carbon nanotubes cooled to cryogenic temperatures are outstanding electronic as well as nano-electromechanical model systems. To probe a largely unperturbed system, we measure a suspended carbon-nanotube device where the…

Mesoscale and Nanoscale Physics · Physics 2019-06-26 K. J. G. Götz , F. J. Schupp , A. K. Hüttel

Carbon nanotubes have emerged as a possible new material for electronic applications. They show promising characteristics for transistors as well as for interconnects. Here we review their basic properties and focus on the status of…

Materials Science · Physics 2007-05-23 Franz Kreupl , Andrew P. Graham , Maik Liebau , Georg S. Duesberg , Robert Seidel , Eugen Unger

Nanofluids are suspensions of nanoparticles and fibers which have recently attracted much attention due to their superior thermal properties. Here, nanofluids are studied in the sense of nanofins transversally attached to a surface, so that…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 Eliodoro Chiavazzo , Pietro Asinari

The temperature distributions in current-carrying carbon nanotubes have been measured with a scanning thermal microscope. The obtained temperature profiles reveal diffusive and dissipative electron transport in multi-walled nanotubes and in…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Li Shi , Jianhua Zhou , Philip Kim , Adrian Bachtold , Arun Majumdar , Paul L. McEuen

We use electrostatic force microscopy and scanned gate microscopy to probe the conducting properties of carbon nanotubes at room temperature. Multi-walled carbon nanotubes are shown to be diffusive conductors, while metallic single-walled…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Bachtold , M. S. Fuhrer , S. Plyasunov , M. Forero , Erik H. Anderson , A. Zettl , Paul L. McEuen

Recent years witnessed a rapid growth of interest of scientific and engineering communities to thermal properties of materials. Carbon allotropes and derivatives occupy a unique place in terms of their ability to conduct heat. The…

Materials Science · Physics 2015-05-28 Alexander A. Balandin

Low-temperature thermal conductivity and thermopower of multiwalled carbon nanotubes considered within a bundle of nanotubes are calculated taking into account multiple scattering of electrons on the atoms of impurities (like single carbon…

High Energy Physics - Theory · Physics 2010-12-07 V. Egorushkin , N. Melnikova , A. Ponomarev , A. Reshetnyak

Carbon nanotubes (CNTs) have recently attracted attention as materials for flexible thermoelectric devices. To provide theoretical guideline of how defects influence the thermoelectric performance of CNTs, we theoretically studied the…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 Masato Ohnishi , Takuma Shiga , Junichiro Shiomi

Due to their extraordinary physical and chemical properties carbon nanotubes reveal a promising potential as biomedical agents for heating, temperature sensoring and drug delivery on the cellular level. Filling carbon nanotubes with…

Medical Physics · Physics 2009-07-29 Ruediger Klingeler , Silke Hampel , Bernd Buechner

The ability to tune the thermal resistance of carbon nanotube mechanical supports from insulating to conducting could permit the next generation of thermal management devices. Here, we demonstrate fabrication techniques for carbon nanotube…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Kamal H. Baloch , Norvik Voskanian , John Cumings

In this paper the heat transport in carbon nanotubes is investigated. When the dimension of the structure is of the order of the de Broglie wave length the transport phenomena must be analyzed within quantum mechanics. In this paper we…

Other Condensed Matter · Physics 2016-08-31 J. Marciak-Kozlowska , M. Kozlowski

In this paper heat transport in carbon nanotubes is investigated. When the dimension of the structure is of the order of the de Broglie wave length transport phenomena must be analysed by quantum mechanics. In this paper we derived the…

Other Condensed Matter · Physics 2007-05-23 Miroslaw Kozlowski , Janina Marciak-Kozlowska

Carbon nanotubes with their outstanding electrical and mechanical properties are suggested as interconnect material of the future and as switching devices, which could outperform silicon devices. In this paper we will introduce nanotubes,…

Materials Science · Physics 2007-05-23 F. Kreupl , G. S. Duesberg , A. P. Graham , M. Liebau , E. Unger , R. Seidel , W. Pamler , W. Hoenlein

We investigate the thermal conductivity of four types of deformed carbon nanotubes by using the nonequilibrium molecular dynamics method. It is reported that various deformations have different influence on the thermal properties of carbon…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Wei-Rong Zhong , Mao-Ping Zhang , Dong-Qin Zheng , Bao-Quan Ai

This review summarizes the current studies of the thermal transport properties of one-dimensional (1D) carbon nanomaterials and nanoarchitectures. Considering different hybridization states of carbon, emphases are laid on a variety of 1D…

Materials Science · Physics 2018-03-20 Haifei Zhan , Yuantong Gu

We use non-equilibrium molecular dynamics simulations to study the adverse role of defects including isotopic impurities on the thermal conductivity of carbon nanotubes, graphene and graphene nanoribbons. We find that even in structurally…

Materials Science · Physics 2015-06-11 Zacharias G. Fthenakis , David Tománek

We theoretically compute the interface thermal resistance between crossing single walled carbon nanotubes of various chiralities, using an atomistic Green's function approach with semi-empirical potentials. The results are then used to…

Materials Science · Physics 2008-09-17 Y. Chalopin , S. Volz , N. Mingo

We present first-principles calculations of quantum transport which show that the resistance of metallic carbon nanotubes can be changed dramatically with homogeneous transverse electric fields if the nanotubes have impurities or defects.…

Materials Science · Physics 2007-05-23 Young-Woo Son , Jisoon Ihm , Marvin L. Cohen , Steven G. Louie , Hyoung Joon Choi

We use infrared thermometry of carbon nanotube network (CNN) transistors and find the formation of distinct hot spots during operation. However, the average CNN temperature at breakdown is significantly lower than expected from the…

Mesoscale and Nanoscale Physics · Physics 2011-02-22 David Estrada , Eric Pop
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