Search Results - "RÜMMELI, M. H"

Graphene at High Bias: Cracking, Layer by Layer Sublimation, and Fusing by Barreiro, A, Börrnert, F, Rümmeli, M. H, Büchner, B, Vandersypen, L. M. K

“…Graphene and few-layer graphene at high bias expose a wealth of phenomena due to the high temperatures reached. With in situ transmission electron microscopy,…”
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Linear plasmon dispersion in single-wall carbon nanotubes and the collective excitation spectrum of graphene by Kramberger, C, Hambach, R, Giorgetti, C, Rümmeli, M H, Knupfer, M, Fink, J, Büchner, B, Reining, Lucia, Einarsson, E, Maruyama, S, Sottile, F, Hannewald, K, Olevano, V, Marinopoulos, A G, Pichler, T

“…We have measured a strictly linear pi plasmon dispersion along the axis of individualized single-wall carbon nanotubes, which is completely different from…”
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Dispersion and diameter separation of multi-wall carbon nanotubes in aqueous solutions by Bystrzejewski, M., Huczko, A., Lange, H., Gemming, T., Büchner, B., Rümmeli, M.H.

“…Multi-wall carbon nanotubes were effectively dispersed in aqueous solutions of anionic surfactants even below their CMC. The choice of surfactant influences…”
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High-Pressure Optical Microspectroscopy Study on Single-Walled Carbon Nanotubes Encapsulating C60 by Anis, B, Börrnert, F, Rümmeli, M. H, Kuntscher, C. A

“…The high-pressure behavior of single-walled carbon nanotubes (SWCNTs) filled with C60 molecules, so-called C60@SWCNT peapods, has been investigated by optical…”
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On the Graphitization Nature of Oxides for the Formation of Carbon Nanostructures by Rümmeli, M. H, Kramberger, C, Grüneis, A, Ayala, P, Gemming, T, Büchner, B, Pichler, T

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Optical Microspectroscopy Study of the Mechanical Stability of Empty and Filled Carbon Nanotubes under Hydrostatic Pressure by Anis, Badawi, Börrnert, F, Rümmeli, M. H, Kuntscher, and C. A

“…We present a high-pressure optical and infrared spectroscopy study on the mechanical stability of single-walled carbon nanotubes (SWCNTs) filled with C60 and…”
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On the merits of Raman spectroscopy and thermogravimetric analysis to asses carbon nanotube structural modifications by Schönfelder, R., Avilés, F., Bachmatiuk, A., Cauich-Rodriguez, J. V., Knupfer, M., Büchner, B., Rümmeli, M. H.

“…Raman spectroscopy, thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy, and transmission electron microscopy are used to assess…”
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A Facile Route to Coat Iron Oxide Nanoparticles with Few-Layer Graphene by Mendes, R. G, Bachmatiuk, A, El-Gendy, A. A, Melkhanova, S, Klingeler, R, Büchner, B, Rümmeli, M. H

“…The use of few-layer graphene coatings over nanoparticles is attractive, as it offers both long-term stability to the nanoparticles and renders them…”
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Understanding the metal-carbon interface in FePt catalyzed carbon nanotubes by Pohl, D, Schäffel, F, Rümmeli, M H, Mohn, E, Täschner, C, Schultz, L, Kisielowski, C, Rellinghaus, B

“…Any tip functionalization of carbon nanotubes, for which the relative orientation between their (metallic) catalyst particle and the nanotube axis is…”
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High quality double wall carbon nanotubes with a defined diameter distribution by chemical vapor deposition from alcohol by Grüneis, A., Rümmeli, M.H., Kramberger, C., Barreiro, A., Pichler, T., Pfeiffer, R., Kuzmany, H., Gemming, T., Büchner, B.

“…We have synthesized double wall carbon nanotubes (DWNTs) with few defects and little amorphous carbon by hot wall chemical vapor deposition (CVD) of alcohol…”
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Influence of the Catalyst Hydrogen Pretreatment on the Growth of Vertically Aligned Nitrogen-Doped Carbon Nanotubes by Ayala, P, Grüneis, A, Gemming, T, Büchner, B, Rümmeli, M. H, Grimm, D, Schumann, J, Kaltofen, R, Freire Jr, F. L, Filho, H. D. Fonseca, Pichler, T

“…Thin vertically aligned N-doped nanotubes with narrow layered nanotube diameter distribution and a defined doping level have been synthesized by chemical vapor…”
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Control of the single-wall carbon nanotube mean diameter in sulphur promoted aerosol-assisted chemical vapour deposition by Barreiro, A., Kramberger, C., Rümmeli, M.H., Grüneis, A., Grimm, D., Hampel, S., Gemming, T., Büchner, B., Bachtold, A., Pichler, T.

“…The influence of gas flow on nanotube diameter during the synthesis of high-purity, very long single-wall carbon nanotubes (SWCNT) via aerosol-assisted…”
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Influence of nanotube physicochemical properties on the decoration of multiwall carbon nanotubes with magnetic particles by Uc-Cayetano, E. G., Avilés, F., Cauich-Rodríguez, J. V., Schönfelder, R., Bachmatiuk, A., Rümmeli, M. H., Rubio, F., Gutiérrez-Amador, M. P., Cruz, G. J.

“…Two types of commercial multiwall carbon nanotubes (MWCNTs) with different diameters and physicochemical properties were decorated with iron oxide…”
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Incidence of the Tomonaga-Luttinger liquid state on the NMR spin-lattice relaxation in carbon nanotubes by Ihara, Y, Wzietek, P, Alloul, H, Rümmeli, M. H, Pichler, Th, Simon, F

“…We report 13C nuclear magnetic resonance measurements on 13C-enriched single-wall carbon nanotube (SWCNT) bundles. The temperature dependence of the nuclear…”
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Magnetic phase transition for defect induced electron spins from fully metal-semiconductor separated SWCNTs by Havlicek, M., Chernov, A., Jantsch, W., Wilamowski, Z., Yanagi, K., Kataura, H., Rümmeli, M. H., Malissa, H., Kuzmany, H.

“…ESR experiments from PtRhRe grown and highly semiconductor—metal separated single‐walled carbon nanotubes (SWCNTs) were performed at 9.45 GHz and temperatures…”
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CVD growth of single-walled B-doped carbon nanotubes by Ayala, P., Rümmeli, M. H., Gemming, T., Kauppinen, E., Kuzmany, H., Pichler, T.

“…Chemical Vapor Deposition is a method widely used in the synthesis of carbon nanotubes of one and multiple walls. However, the interdependent parameters…”
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Filling of carbon nanotubes for bio-applications by Costa, S., Borowiak-Palen, E., Bachmatiuk, A., Rümmeli, M. H., Gemming, T., Kaleńczuk, R. J.

“…Carbon nanotubes (CNT) provide a smart carrier system on the nanometer scale. The system can be used as a template for ferromagnetic fillers. Such a molecular…”
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Ferromagnetic decoration in metal-semiconductor separated and ferrocene functionalized single-walled carbon nanotubes by Chernov, A., Havlicek, M., Jantsch, W., Rümmeli, M. H., Bachmatiuk, A., Yanagi, K., Peterlik, H., Kataura, H., Sauerzopf, F., Resel, R., Simon, F., Kuzmany, H.

“…Spin resonance, magnetic measurements, and structural analysis are reported for metal‐semiconductor separated SWCNTs after filling with ferrocene. Raman…”
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On the effects of solution and reaction parameters for the aerosol-assisted CVD growth of long carbon nanotubes by BARREIRO, A, SELBMANN, D, PICHLER, T, BIEDERMANN, K, GEMMING, T, RÜMMELI, M. H, SCHWALKE, U, BÜCHNER, B

“…High-purity vertically aligned films of multi-wall carbon nanotubes have been synthesized via an aerosol-assisted CVD method using a solution of ferrocene in…”
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Bonding environment and electronic structure of Gd metallofullerene and Gd nanowire filled single-wall carbon nanotubes by Pichler, T., Kramberger, C., Ayala, P., Shiozawa, H., Knupfer, M., Rümmeli, M. H., Batchelor, D., Kitaura, R., Imazu, N., Kobayashi, K., Shinohara, H.

“…Being single‐walled carbon nanotubes, archetypical 1D systems with peculiar anisotropic electronic properties, it is possible to infer modifications in a…”
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