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We investigate the electronic instabilities in carbon nanotubes (CNs), looking for the break-down of the one dimensional Luttinger liquid regime due to the strong screening of the long-range part of the Coulomb repulsion. We show that such…

Superconductivity · Physics 2009-11-13 S. Bellucci , M. Cini , P. Onorato , E. Perfetto

Recently unusual properties of water in single-walled carbon nanotubes (CNT) with diameters ranging from 1.05 nm to 1.52 nm were observed. It was found that water in the CNT remains in an ice-like phase even when the temperature ranges…

Mesoscale and Nanoscale Physics · Physics 2017-03-23 Siddhartha Sen , Kumar S. Gupta

Combining various carbon nanofillers with different dimensions can lead to a synergistic effect through the formation of an efficient conductive network. Hybrid polyurethane (PU) nanocomposites containing multi-walled carbon nanotubes…

Applied Physics · Physics 2020-12-10 Amir Navidfar , Levent Trabzon

Hybrid systems of two-dimensional (2D) materials (such as graphene-family materials and 2D transition metal dichalcogenides) are attracting much attention due to their distinctive optoelectronic, thermal, mechanical, and chemical…

The use of CO2 as a natural refrigerant in data center cooling, oil recovery and in CO2 capture and storage which is gaining traction in recent years involves heat transfer between CO2 and the base fluid. A need arises to improve the…

Applied Physics · Physics 2017-09-04 Zeeshan Ahmed , Ajinkya Sarode , Pratik Basarkar , Atul Bhargav , Debjyoti Banerjee

A detailed understanding of energy transduction is crucial for achieving precise control of energy flow in complex, integrated systems. In this context, carbon nanotubes (CNTs) are intriguing model systems due to their rich,…

Mesoscale and Nanoscale Physics · Physics 2011-02-16 Eyal Shafran , Benjamin D. Mangum , Jordan M. Gerton

Calculations of the conductance of a carbon nanotube (CNT)-molecule-CNT structure are in agreement with experimental measurements [1]. The features in the transmission correspond directly to the features of the isolated molecular orbitals.…

Other Condensed Matter · Physics 2015-05-13 Nicolas A. Bruque , M. K. Ashraf , Roger K. Lake

High strain rate experiments performed on multi-walled carbon nanotubes and polycarbonate composites (MWCNT-PC) have exhibited enhanced impact resistance under a dynamic strain rate of nearly 2500/s with composition of only 0.5 to 2.0…

Materials Science · Physics 2013-04-23 Prashant Jindal , Meenakshi Goyal , Navin Kumar

We measure the conductivity spectra of thin films comprising bundled single-walled carbon nanotubes (CNTs) of different average lengths in the frequency range 0.3-1000 THz and temperature interval 10-530 K. The observed temperature-induced…

Carbon nanotubes (CNT) have been recently proposed as stabilizers against grain growth that can happen even at low temperature inputs in nano-crystalline and ultrafine-grained materials obtained by severe plastic deformation. In this study,…

A long time ago, Brochard and de Gennes predicted the possibility of significantly decreasing the critical magnetic field of the Fredericksz transition (the magnetic Fredericksz threshold) in a mixture of nematic liquid crystals and…

The extraordinary one-dimensional properties of carbon nanotubes have captivated scientists and engineers since their discovery in the early 1990s. In particular, semiconducting single-wall carbon nanotubes (SWCNTs) are highly promising for…

Applied Physics · Physics 2026-04-09 Ting-Wei Chang , Gustavo M. Rodriguez-Barrios , Andrey Baydin , Junichiro Kono

The use of oxide glasses is pervasive throughout everyday amenities and commodities. Such glasses are typically electrical insulators, and endowing them with electrical conductivity without changing their salutary mechanical properties,…

We present a general approach to the computational design of nanostructured chemical sensors. The scheme is based on identification and calculation of microscopic descriptors (design parameters) which are used as input to a thermodynamic…

Fibres of ultralong and aligned carbon nanotubes (CNT) have axial properties above reference engineering materials, proving to be exceptional materials for application in structural composites, energy storage and other devices. For CNT…

Materials Science · Physics 2021-05-07 Anastasiia Mikhalchan , María Vila , Luis Arévalo , Juan J. Vilatela

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

High performance nanocomposites require well dispersion and high alignment of the nanometer-sized components, at a high mass or volume fraction as well. However, the road towards such composite structure is severely hindered due to the easy…

Materials Science · Physics 2015-06-24 Yue Han , Xiaohua Zhang , Xueping Yu , Jingna Zhao , Shan Li , Feng Liu , Peng Gao , Yongyi Zhang , Tong Zhao , Qingwen Li

Behaviour of hot electrons under the influence of dc field in carbon nanotubes is theoretically considered. The study was done semi-classically by solving Boltzmann transport equation with the presence of the hot electrons source to derive…

Mesoscale and Nanoscale Physics · Physics 2016-10-10 M. Amekpewu , K. A. Dompreh , S. Y. Mensah , N. G. Mensah , S. S. Abukari , R. Musah , A. Twum , R. Edziah

We study magnetic, transport and thermal properties of Cobalt carbide nanocomposite with a mixture of Co2C and Co3C phases in 1:1 ratio, with an average particle diameter of 40$\pm 15$ nm. We show that the behavior of the nanocomposite is…

Strongly Correlated Electrons · Physics 2020-03-31 Nirmal Roy , Arpita Sen , Prasenjit Sen , S. S. Banerjee

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