Search Results - "Purcell, S T"

Hot nanotubes: stable heating of individual multiwall carbon nanotubes to 2000 k induced by the field-emission current by Purcell, S T, Vincent, P, Journet, C, Binh, Vu Thien

“…Field emission (FE) electron spectroscopy from an individual multiwalled carbon nanotube (MWNT) is used to measure quantitatively stable temperatures at the…”
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Giant, Voltage Tuned, Quality Factors of Single Wall Carbon Nanotubes and Graphene at Room Temperature by Descombin, A, Poncharal, P, Pascale-Hamri, A, Choueib, M, Diehl, R, Vincent, P, Purcell, S. T, Ayari, A, Perisanu, S

“…Mastering dissipation in graphene-based nanostructures is still the major challenge in most fundamental and technological exploitations of these ultimate…”
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Ultrashort single-wall carbon nanotubes reveal field-emission coulomb blockade and highest electron-source brightness by Pascale-Hamri, A, Perisanu, S, Derouet, A, Journet, C, Vincent, P, Ayari, A, Purcell, S T

“…We present here well-defined Coulomb staircases using an original field-emission experiment on several individual in situ-grown single-wall carbon nanotubes. A…”
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Contact angle measurements on superhydrophobic carbon nanotube forests: Effect of fluid pressure by Journet, C, Moulinet, S, Ybert, C, Purcell, S. T, Bocquet, L

“…In this paper the effect of pressure on the contact angle of a water drop on superhydrophobic carbon nanotube (CNT) forests is studied. Superhydrophobic CNT…”
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Ultra Low Power Consumption for Self-Oscillating Nanoelectromechanical Systems Constructed by Contacting Two Nanowires by Barois, T, Ayari, A, Vincent, P, Perisanu, S, Poncharal, P, Purcell, S. T

“…We report here the observation of a new self-oscillation mechanism in nanoelectromechanical systems (NEMS). A highly resistive nanowire was positioned to form…”
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Tuning of nanotube mechanical resonances by electric field pulling by Purcell, S T, Vincent, P, Journet, C, Binh, Vu Thien

“…We show here that field emission (FE) can be used to directly observe the vibration resonances nu(R) of carbon nanotubes (CNTs) and that the tension created by…”
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Electron Fluctuation Induced Resonance Broadening in Nano Electromechanical Systems: The Origin of Shear Force in Vacuum by Siria, A, Barois, T, Vilella, K, Perisanu, S, Ayari, A, Guillot, D, Purcell, S.T, Poncharal, P

“…This article presents a study of the poorly understood “shear-force” used in an important class of near-field instruments that use mechanical resonance…”
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Frequency modulated self-oscillation and phase inertia in a synchronized nanowire mechanical resonator by Barois, T, Perisanu, S, Vincent, P, Purcell, S T, Ayari, A

“…Synchronization has been reported for a wide range of self-oscillating systems. However, even though it has been predicted theoretically for several decades,…”
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Inclusion of carbon nanotubes in a TiO2 sol-gel matrix by VINCENT, P, BRIOUDE, A, JOURNET, C, RABASTE, S, PURCELL, S. T, LE BRUSQ, J, PLENET, J. C

“…We report here the successful inclusion of carbon nanotubes (CNs) into a TiO2 matrix prepared by a sol--gel method. The presence of CNs in the sol--gel matrix…”
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Structural dependence of the oscillatory exchange interaction across Cu layers by JOHNSON, M. T, PURCELL, S. T, MCGEE, N. W. E, COEHOORN, R, AAN DE STEGGE, J, HOVING, W

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Ultra high sensitive detection of mechanical resonances of nanowires by field emission microscopy by Perisanu, S., Vincent, P., Ayari, A., Choueib, M., Guillot, D., Bechelany, M., Cornu, D., Miele, P., Purcell, S. T.

“…We present here highly sensitive measurements of nanowire mechanical resonances by analyzing Field Emission Microscopy (FEM) images from the nanowires while…”
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Field-emission electron spectroscopy of single-atom tips by VU THIEN BINH, PURCELL, S. T, GARCIA, N, DOGLIONI, J

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Ohmic electromechanical dissipation in nanomechanical cantilevers by Barois, T., Ayari, A., Siria, A., Perisanu, S., Vincent, P., Poncharal, P., Purcell, S. T.

“…We study the contribution of ohmic dissipation to the mechanical damping of nanoresonators. This damping occurs when DC voltage is applied to a resistive…”
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Electron beam assisted field evaporation of insulating nanowires/tubes by Blanchard, N. P., Niguès, A., Choueib, M., Perisanu, S., Ayari, A., Poncharal, P., Purcell, S. T., Siria, A., Vincent, P.

“…We demonstrate field evaporation of insulating materials, specifically BN nanotubes and undoped Si nanowires, assisted by a convergent electron beam. Electron…”
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Synthesis of sheathed carbon nanotube tips by the sol–gel technique by Brioude, A, Vincent, P, Journet, C, Plenet, J.C, Purcell, S.T

“…We describe the first elaboration of carbon nanotube tips (CN-tips) by the sol–gel technique. The CN-tips consist of single carbon nanotubes (CNs) or bundles…”
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Predictions of biodiversity are improved by integrating trait‐based competition with abiotic filtering by Chalmandrier, Loïc, Stouffer, Daniel B., Purcell, Adam S. T., Lee, William G., Tanentzap, Andrew J., Laughlin, Daniel C., Mori, Akira

“…All organisms must simultaneously tolerate the environment and access limiting resources if they are to persist. Approaches to understanding abiotic filtering…”
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Ferromagnetic-resonance study of ultrathin bcc Fe(100) films grown epitaxially on fcc Ag(100) substrates by HEINRICH, B, URQUHART, K. B, ARROTT, A. S, COCHRAN, J. F, MYRTLE, K, PURCELL, S. T

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High Q factor for mechanical resonances of batch-fabricated SiC nanowires by Perisanu, S., Vincent, P., Ayari, A., Choueib, M., Purcell, S. T., Bechelany, M., Cornu, D.

“…The authors present here the measurements of high mechanical Q factors for singly clamped, batch-fabricated SiC nanowires measured by field emission (FE) in…”
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Oscillations with a period of two Cr monolayers in the antiferromagnetic exchange coupling in a (001) Fe/Cr/Fe sandwich structure by PURCELL, S. T, FOLKERTS, W, JOHNSON, M. T, MCGEE, N. W. E, JAGER, K, AAN DE STEGGE, J, ZEPER, W. B, HOVING, W, GRÜNBERG, P

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Field emission from nanotips by Binh, Vu Thien, Purcell, S.T.

“…Nanotips are nanometre-size protrusions ending in one atom that are obtained from the concomitant action of temperature and high electric field. The properties…”
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