Search Results - "YAKIMOVA, R"

Epitaxially grown graphene based gas sensors for ultra sensitive NO₂ detection by Pearce, R, Iakimov, T, Andersson, M, Hultman, L, Spetz, A. Lloyd, Yakimova, R

“…Epitaxially grown single layer and multi layer graphene on SiC devices were fabricated and compared for response towards NO₂. Due to electron donation from…”
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Electronic transport at monolayer-bilayer junctions in epitaxial graphene on SiC by Giannazzo, F., Deretzis, I., La Magna, A., Roccaforte, F., Yakimova, R.

“…Two-dimensional maps of the electronic conductance in epitaxial graphene grown on SiC were obtained by calibrated conductive atomic force microscopy. The…”
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Bottom-Up Growth of Monolayer Honeycomb SiC by Polley, C M, Fedderwitz, H, Balasubramanian, T, Zakharov, A A, Yakimova, R, Bäcke, O, Ekman, J, Dash, S P, Kubatkin, S, Lara-Avila, S

“…The long theorized two-dimensional allotrope of SiC has remained elusive amid the exploration of graphenelike honeycomb structured monolayers. It is…”
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Surface morphology effects on the light-controlled wettability of ZnO nanostructures by KHRANOVSKYY, V, EKBLAD, T, YAKIMOVA, R, HULTMAN, L

“…ZnO nanostructures of diverse morphology with shapes of corrals and cabbages as well as open and filled hexagons and sheaves prepared by APMOCVD technique, are…”
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Dynamic Hall effect driven by circularly polarized light in a graphene layer by Karch, J, Olbrich, P, Schmalzbauer, M, Zoth, C, Brinsteiner, C, Fehrenbacher, M, Wurstbauer, U, Glazov, M M, Tarasenko, S A, Ivchenko, E L, Weiss, D, Eroms, J, Yakimova, R, Lara-Avila, S, Kubatkin, S, Ganichev, S D

“…We report the observation of the circular ac Hall effect where the current is solely driven by the crossed ac electric and magnetic fields of circularly…”
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Aluminum oxide nucleation in the early stages of atomic layer deposition on epitaxial graphene by Schilirò, E., Lo Nigro, R., Panasci, S.E., Gelardi, F.M., Agnello, S., Yakimova, R., Roccaforte, F., Giannazzo, F.

“…The nucleation and growth mechanism of aluminum oxide (Al2O3) in the early stages of atomic layer deposition (ALD) on monolayer epitaxial graphene (EG) on…”
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Real-time sensing of lead with epitaxial graphene-integrated microfluidic devices by Santangelo, M.F., Shtepliuk, I., Filippini, D., Ivanov, I.G., Yakimova, R., Eriksson, J.

“…•Robust and compact 3D printed microfluidic lab-on-chip.•Miniaturised sensing system using 3D printed chip and epitaxial graphene sensors.•Continuous real-time…”
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Terahertz radiation driven chiral edge currents in graphene by Karch, J, Drexler, C, Olbrich, P, Fehrenbacher, M, Hirmer, M, Glazov, M M, Tarasenko, S A, Ivchenko, E L, Birkner, B, Eroms, J, Weiss, D, Yakimova, R, Lara-Avila, S, Kubatkin, S, Ostler, M, Seyller, T, Ganichev, S D

“…We observe photocurrents induced in single-layer graphene samples by illumination of the graphene edges with circularly polarized terahertz radiation at normal…”
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Device applications of epitaxial graphene on silicon carbide by Beshkova, M., Hultman, L., Yakimova, R.

“…Graphene has become an extremely hot topic due to its intriguing material properties allowing for ground-breaking fundamental research and applications. It is…”
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Metal-dielectric transition in Sn-intercalated graphene on SiC(0001) by Niu, Y.R., Zakharov, A.A., Yakimova, R.

“…•The present study demonstrates a unique metallic SnSix interlayer forms through Sn interaction into the buffer layer grown on SiC(0001).•This layer transits…”
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Giant quantum Hall plateaus generated by charge transfer in epitaxial graphene by Alexander-Webber, J. A., Huang, J., Maude, D. K., Janssen, T. J. B. M., Tzalenchuk, A., Antonov, V., Yager, T., Lara-Avila, S., Kubatkin, S., Yakimova, R., Nicholas, R. J.

“…Epitaxial graphene has proven itself to be the best candidate for quantum electrical resistance standards due to its wide quantum Hall plateaus with…”
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Magnetic quantum ratchet effect in graphene by Drexler, C., Tarasenko, S. A., Olbrich, P., Karch, J., Hirmer, M., Müller, F., Gmitra, M., Fabian, J., Yakimova, R., Lara-Avila, S., Kubatkin, S., Wang, M., Vajtai, R., Ajayan, P. M., Kono, J., Ganichev, S. D.

“…A periodically driven system with spatial asymmetry can exhibit a directed motion facilitated by thermal or quantum fluctuations 1 . This so-called ratchet…”
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Silver nanoparticle array on weakly interacting epitaxial graphene substrate as catalyst for hydrogen evolution reaction under neutral conditions by Shtepliuk, I., Pliatsikas, N., Jian, J., Ben Sedrine, N., Iakimov, T., Sarakinos, K., Ivanov, I. G., Sun, Jianwu, Yakimova, R.

“…The paucity of research on hydrogen evolution reaction (HER) under neutral conditions, which is a more sustainable way to produce H2 compared to acidic and…”
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Weak localization scattering lengths in epitaxial, and CVD graphene by Baker, A. M. R., Alexander-Webber, J. A., Altebaeumer, T., Janssen, T. J. B. M., Tzalenchuk, A., Lara-Avila, S., Kubatkin, S., Yakimova, R., Lin, C.-T., Li, L.-J., Nicholas, R. J.

“…Weak localization in graphene is studied as a function of carrier density in the range from 1 x 10 super(11) cm super(-2) to 1.43 x 10 super(13) cm super(-2)…”
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Graphene integration with nitride semiconductors for high power and high frequency electronics by Giannazzo, F., Fisichella, G., Greco, G., La Magna, A., Roccaforte, F., Pecz, B., Yakimova, R., Dagher, R., Michon, A., Cordier, Y.

“…Group III nitride semiconductors (III‐N), including GaN, AlN, InN, and their alloys, are currently the materials of choice for many applications in…”
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Luminescence anisotropy of ZnO microrods by Khranovskyy, V., Lazorenko, V., Lashkarev, G., Yakimova, R.

“…The local features of light emission from ZnO microrods were studied: it is revealed that ZnO luminescence spectra are significantly influenced by the crystal…”
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Energy loss rates of hot Dirac fermions in epitaxial, exfoliated, and CVD graphene by Baker, A. M. R., Alexander-Webber, J. A., Altebaeumer, T., McMullan, S. D., Janssen, T. J. B. M., Tzalenchuk, A., Lara-Avila, S., Kubatkin, S., Yakimova, R., Lin, C.-T., Li, L.-J., Nicholas, R. J.

“…Energy loss rates for hot carriers in graphene have been measured using graphene produced by epitaxial growth on SiC, exfoliation, and chemical vapor…”
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Operation of graphene quantum Hall resistance standard in a cryogen-free table-top system by Janssen, T. J. B. M., Rozhko, S., Antonov, I., Tzalenchuk, A., Williams, J. M., Melhem, Z., He, H., Lara-Avila, S., Kubatkin, S., Yakimova, Rositsa

“…We demonstrate quantum Hall resistance measurements with metrological accuracy in a small cryogen-free system operating at a temperature of around 3.8 K and…”
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Non-contact method for measurement of the microwave conductivity of graphene by Hao, L., Gallop, J., Goniszewski, S., Shaforost, O., Klein, N., Yakimova, R.

“…We report a non-contact method for conductivity and sheet resistance measurements of monolayer and few layers graphene samples using a high Q microwave…”
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Graphene, universality of the quantum Hall effect and redefinition of the SI system by Janssen, T J B M, Fletcher, N E, Goebel, R, Williams, J M, Tzalenchuk, A, Yakimova, R, Kubatkin, S, Lara-Avila, S, Falko, V I

“…The Systeme Internationale dunites (SI) is about to undergo its biggest change in half a century by redefining the units for mass and current in terms of the…”
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