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We present a novel computational framework to simulate the electromechanical response of self-sensing carbon nanotube (CNT)-based composites experiencing fracture. The computational framework combines electrical-deformation-fracture finite…

计算工程、金融与科学 · 计算机科学 2023-02-22 L. Quinteros , E. García-Macías , E. Martínez-Pañeda

Materials comprising carbon nanotube (CNT) aligned nanowire (NW) polymer nanocomposites (A-PNCs) are emerging as next-generation materials for use in aerospace structures. Enhanced operating regimes, such as operating temperatures, motivate…

Biomolecules exhibit dynamic conformations critical to their functions, yet observing these processes at the single-molecule level under native conditions remains a formidable challenge. While surface immobilization has been widely used to…

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…

应用物理 · 物理学 2026-04-09 Ting-Wei Chang , Gustavo M. Rodriguez-Barrios , Andrey Baydin , Junichiro Kono

The study of the mechanical properties of nanostructured systems has gained importance in theoretical and experimental research in recent years. Carbon nanotubes (CNTs) are one of the strongest nanomaterials found in nature, with Young's…

The recent development of efficient chirality sorting techniques has opened the way to the use of single-walled carbon nanotubes (SWCNTs) in a plethora of nanoelectronic, photovoltaic, and optoelectronic applications. However, to understand…

介观与纳米尺度物理 · 物理学 2019-12-25 María Rosa Preciado-Rivas , Victor Alexander Torres-Sánchez , Duncan J. Mowbray

We report electrical transport measurements through a semiconducting single-walled carbon nanotube (SWNT) with three additional top-gates. At low temperatures the system acts as a double quantum dot with large inter-dot tunnel coupling…

介观与纳米尺度物理 · 物理学 2009-11-11 M. R. Graeber , W. A. Coish , C. Hoffmann , M. Weiss , J. Furer , S. Oberholzer , D. Loss , C. Schoenenberger

Metal catalysts supporting the growth of Single Wall Carbon Nanotubes display different carbon solubilities and chemical reactivities. In order to specifically assess the role of carbon solubility, we take advantage of the physical…

材料科学 · 物理学 2017-02-23 Juan-Manuel Aguiar-Hualde , Yann Magnin , Hakim Amara , Christophe Bichara

We predict and analyze mechanical instability and corresponding self-sustained mechanical oscillations occurring in a nanoelectromechanical system composed of a metallic carbon nanotube (CNT) suspended between two superconducting leads and…

介观与纳米尺度物理 · 物理学 2020-12-30 A. V. Parafilo , L. Y. Gorelik , M. Fistul , H. C. Park , R. I. Shekhter

The transport properties of a CNT capacitively coupled to a molecule vibrating along one of its librational modes are studied and its transport properties analyzed in the presence of an STM tip. We evaluate the linear charge and thermal…

介观与纳米尺度物理 · 物理学 2013-09-12 F. Remaggi , N. Traverso Ziani , G. Dolcetto , F. Cavaliere , M. Sassetti

Fine complex light structure, optical singularities and electroconductivty of nematic 5CB doped by multi-walled carbon nanotubes (MWCNTs) were investigated. MWCNTs gather spontaneously to system of micro scale clusters with random fractal…

We report an improved fabrication scheme for carbon based nanospintronic devices and demonstrate the necessity for a careful data analysis to investigate the fundamental physical mechanisms leading to magnetoresistance. The processing with…

介观与纳米尺度物理 · 物理学 2014-05-06 J. Samm , J. Gramich , A. Baumgartner , M. Weiss , C. Schoenenberger

Fluid and ionic transport at nanoscale recently highlighted a wealth of exotic behaviours. However, the artificial nanofluidic devices are still far from the advanced functionalities existing in biological systems, such as electrically and…

介观与纳米尺度物理 · 物理学 2020-11-13 Alice Marcotte , Timothée Mouterde , Antoine Niguès , Alessandro Siria , Lydéric Bocquet

We exploit the near field enhancement of nano-antennas to investigate the Raman spectra of otherwise not optically detectable carbon nanotubes (CNTs). We demonstrate that a top-down fabrication approach is particularly promising when…

介观与纳米尺度物理 · 物理学 2015-07-01 Nicola Paradiso , Fatemeh Yaghobian , Christoph Lange , Tobias Korn , Christian Schüller , Rupert Huber , Christoph Strunk

As the aerospace industry becomes increasingly demanding for stronger lightweight materials, the ultra-strong carbon nanotube (CNT) composites with highly aligned CNT network structures could be the answer. In this work, a novel methodology…

材料科学 · 物理学 2021-08-11 Liyu Dong , Haibin Hang , Jin Gyu Park , Washington Mio , Richard Liang

Carbon nanotubes exhibit many unique intrinsic physical and chemical properties and have been intensively explored for biological and biomedical applications. In this review, we summarize the main results of our and other groups in this…

材料科学 · 物理学 2009-02-10 Zhuang Liu , Scott Tabakman , Kevin Welsher , Hongjie Dai

Carbon nanotubes play a fundamental role in the rapidly developing field of nanoscience and nanotechnology because of their unique properties and high potential applictions. In this article, the different synthesis method of CNTs are…

材料科学 · 物理学 2007-05-23 Kalpana Awasthi , Anchal Srivastava , O. N. Srivastava

Molecular level components, like carbon multiwalled nanotubes (MWNT), show great potential for future nanoelectronics. At low frequencies, only the outermost carbon layer determines the transport properties of the MWNT. Due to the…

介观与纳米尺度物理 · 物理学 2007-05-23 Markus Ahlskog , Pertti Hakonen , Mikko Paalanen , Leif Roschier , Reeta Tarkiainen

A fabrication method for positioning and embedding a single-walled carbon nanotube (SWNT) across the diameter of a solid state nanopore is presented. Chemical vapor deposition (CVD) is used to grow SWNTs over arrays of focused ion beam…

生物物理 · 物理学 2013-08-07 E. S. Sadki , S. Garaj , D. Vlassarev , J. A. Golovchenko , D. Branton

We present a simple technique which uses a self-aligned oxide etch to suspend individual single-wall carbon nanotubes between metallic electrodes. This enables one to compare the properties of a particular nanotube before and after…

介观与纳米尺度物理 · 物理学 2012-09-05 Jesper Nygard , David H. Cobden