Search Results - "Rotkin, S. V"

Raman spectroscopy as probe of nanometre-scale strain variations in graphene by Neumann, C., Reichardt, S., Venezuela, P., Drögeler, M., Banszerus, L., Schmitz, M., Watanabe, K., Taniguchi, T., Mauri, F., Beschoten, B., Rotkin, S. V., Stampfer, C.

“…Confocal Raman spectroscopy has emerged as a major, versatile workhorse for the non-invasive characterization of graphene. Although it is successfully used to…”
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Size quantization of Dirac fermions in graphene constrictions by Terrés, B., Chizhova, L. A., Libisch, F., Peiro, J., Jörger, D., Engels, S., Girschik, A., Watanabe, K., Taniguchi, T., Rotkin, S. V., Burgdörfer, J., Stampfer, C.

“…Quantum point contacts are cornerstones of mesoscopic physics and central building blocks for quantum electronics. Although the Fermi wavelength in…”
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Negative Differential Resistance: Gate Controlled and Photoconductance Enhancement in Carbon Nanotube Intraconnects by Lee, S. W, Kornblit, A, Lopez, D, Rotkin, S. V, Sirenko, A. A, Grebel, H

“…Intraconnects, as-grown single-walled carbon nanotubes bridging two metal electrodes, were investigated as gated structures. We show that even with a seemingly…”
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Helicity and broken symmetry of DNA-nanotube hybrids by Puller, V. I, Rotkin, S. V

“…We study breaking of the “supersymmetry" of an intrinsically achiral armchair carbon nanotube by means of a helical perturbation. Lowering of the symmetry…”
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Conductance modulation of metallic carbon nanotubes by remote charged rings by Barraza-Lopez, S, Rotkin, S. V, Li, Y, Hess, K

“…We calculate the effects of a longitudinal electrostatic perturbation on a metallic single-wall carbon nanotube and demonstrate conductance modulation. Such…”
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Spontaneous decay of an excited state of an emitter coupled to parallel SWNTs placed in the vicinity of a plane interface between two dielectric materials by Nemilentsau, A.M., Slepyan, G.Ya, Maksimenko, S.A., Lakhtakia, A., Rotkin, S.V.

“…► Spontaneous decay of an emitter coupled to a system of carbon nanotubes is studied. ► Presence of carbon nanotubes substantially enhances emitter decay rate…”
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Modeling hysteresis phenomena in nanotube field-effect transistors by Robert-Peillard, A., Rotkin, S.V.

“…A model is developed to explain a hysteresis observed experimentally in nanotube field-effect transistors. The model explains the hysteresis through trapping…”
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Universal description of channel conductivity for nanotube and nanowire transistors by Rotkin, S. V., Ruda, H. E., Shik, A.

“…A theory of drift-diffusion transport in a low-dimensional field-effect transistor is developed. Two cases of a semiconductor nanowire and a single-wall…”
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Nanotube devices: A microscopic model by Bulashevich, K. A., Rotkin, S. V.

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Size quantization of Dirac fermions in graphene constrictions by Terrés, B, Chizhova, L. A, Libisch, F, Peiro, J, Jörger, D, Engels, S, Girschik, A, Watanabe, K, Taniguchi, T, Rotkin, S. V, Burgdörfer, J, Stampfer, C

“…Quantum point contacts (QPCs) are cornerstones of mesoscopic physics and central building blocks for quantum electronics. Although the Fermi wave-length in…”
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Logarithmic behavior of the conductivity of electron-beam deposited granular Pt ∕ C nanowires by Rotkina, L., Oh, S., Eckstein, J. N., Rotkin, S. V.

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Spontaneous decay of the excited state of an emitter near a finite-length metallic carbon nanotube by Nemilentsau, A. M., Slepyan, G. Ya, Maksimenko, S. A., Lakhtakia, A., Rotkin, S. V.

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Energy relaxation of hot carriers in single-wall carbon nanotubes by surface optical phonons of the substrate by Petrov, A. G., Rotkin, S. V.

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Polarization component of cohesion energy in single-wall carbon nanotube-DNA complexes by Snyder, S. E., Rotkin, S. V.

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Spontaneous decay of an emitter's excited state near a finite-length metallic carbon nanotube by Nemilentsau, A. M, Slepyan, G. Ya, Maksimenko, S. A, Lakhtakia, A, Rotkin, S. V

“…Phys. Rev. B vol. 82, 235411, (2010) The spontaneous decay of an excited state of an emitter placed in the vicinity of a metallic single-wall carbon nanotube…”
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Theory of nanotube opto-electromechanical device by Rotkin, S.V.

“…Theory of a novel carbon nanotube opto-electronic switch is presented. Current control is realized at the molecular level by applying field of an atomic charge…”
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Electronic Response and Bandstructure Modulation of Carbon Nanotubes in a Transverse Electrical Field by Li, Yan, Rotkin, Slava V, Ravaioli, Umberto

“…The electronic properties of carbon nanotubes (NTs) in a uniform transverse field are investigated within a single orbital tight-binding (TB) model. For doped…”
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Possibility of a metallic field-effect transistor by Rotkin, Slava V., Hess, Karl

“…We develop theoretical arguments that demonstrate the possibility of metallic field-effect transistors in one-dimensional systems and particularly in armchair…”
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Influence of external electric fields on electronic response and bandstructure of carbon nanotubes by Yan Li, Rotkin, S.V., Ravaioli, U.

“…We performed tight-binding calculation of the electronic properties of carbon nanotubes in a perpendicular electric field. Within the linear response limit,…”
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Finite-Size Effect and Wall Polarization in a Carbon Nanotube Channel by Lu, Deyu, Li, Yan, Rotkin, Slava V, Ravaioli, Umberto, Schulten, Klaus

“…The electronic structure and dielectric screening of finite-length armchair carbon nanotubes are studied in view of their technical applications. For this…”
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