Search Results - "Nagareddy, V. K."

Plasma-based chemical modification of epitaxial graphene with oxygen functionalities by Hernández, S.C., Wheeler, V.D., Osofsky, M.S., Jernigan, G.G., Nagareddy, V.K., Nath, A., Lock, E.H., Nyakiti, L.O., Myers-Ward, R.L., Sridhara, K., Horsfall, A.B., Eddy, C.R., Gaskill, D.K., Walton, S.G.

“…Epitaxial graphene is promising material for future graphene-based applications including high frequency devices and chemical/biological sensors. Modifying the…”
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New routes to the functionalization patterning and manufacture of graphene-based materials for biomedical applications by De Sanctis, A., Russo, S., Craciun, M. F., Alexeev, A., Barnes, M. D., Nagareddy, V. K., Wright, C. D.

“…Graphene-based materials are being widely explored for a range of biomedical applications, from targeted drug delivery to biosensing, bioimaging and use for…”
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High temperature measurements of metal contacts on epitaxial graphene by Nagareddy, V. K., Nikitina, I. P., Gaskill, D. K., Tedesco, J. L., Myers-Ward, R. L., Eddy, C. R., Goss, J. P., Wright, N. G., Horsfall, A. B.

“…Electrical characteristics of Cr/Au and Ti/Au metal contacts on epitaxial graphene on 4H-SiC showed significant variations in resistance parameters at 300 K…”
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The effect of nitrogen implantation on resistive switching of tetrahedral amorphous carbon films by Nagareddy, V.K., Ott, A.K., Dou, C., Tsvetkova, T., Sandulov, M., Craciun, M.F., Ferrari, A.C., Wright, C.D.

“…We report the effect of nitrogen implantation on the resistance switching of tetrahedral amorphous carbon (ta-C) films. Both unimplanted and implanted films…”
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Detection of polar chemical vapors using epitaxial graphene grown on SiC (0001) by Nagareddy, V. K., Chan, H. K., Hernández, S. C., Wheeler, V. D., Myers-Ward, R. L., Nyakiti, L. O., Eddy, C. R., Walton, S. G., Goss, J. P., Wright, N. G., Gaskill, D. K., Horsfall, A. B.

“…Epitaxial graphene grown on SiC (0001) showed significant changes in electrical resistance upon exposure to polar protic and polar aprotic vapors in the…”
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Carbon-Based Resistive Memories by Koelmans, W. W., Bachmann, T., Zipoli, F., Ott, A. K., Dou, C., Ferrari, A. C., Cojocaru-Miredin, O., Zhang, S., Scheu, C., Wuttig, M., Nagareddy, V. K., Craciun, M. F., Alexeev, A. M., Wright, C. D., Jonnalagadda, V. P., Curioni, A., Sebastian, A., Eleftheriou, E.

“…Carbon-based nonvolatile resistive memories are an emerging technology. Switching endurance remains a challenge in carbon memories based on tetrahedral…”
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Temperature Evolution in Nanoscale Carbon-Based Memory Devices Due to Local Joule Heating by Bachmann, T. A., Alexeev, A. M., Koelmans, W. W., Zipoli, Federico, Ott, A. K., Dou, C., Ferrari, A. C., Nagareddy, V. Karthik, Craciun, M. F., Jonnalagadda, V. P., Curioni, Alessandro, Sebastian, A., Eleftheriou, Evangelos, Wright, C. David

“…Tetrahedral amorphous (ta-C) carbon-based memory devices have recently gained traction due to their good scalability and promising properties like nanosecond…”
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Carbon-based resistive memories by Koelmans, W W, Bachmann, T, Zipoli, F, Ott, A K, Dou, C, Ferrari, A C, Cojocaru-Mirédin, O, Zhang, S, Wuttig, M, Nagareddy, V K, Craciun, M F, Alexeev, A, Wright, C D, Jonnalagadda, V P, Curioni, A, Sebastian, A, Eleftheriou, E

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Oxygen functionalised epitaxial graphene sensors for enhanced polar organic chemical vapour detection by Nagareddy, V. K., Goss, J. P., Wright, N. G., Horsfall, A. B., Hernandez, S. C., Wheeler, V. D., Nyakiti, L. O., Myers-Ward, R. L., Eddy, C. R., Walton, S. G., Gaskill, D. K.

“…Oxygen functionalised epitaxial graphene (OFEG) chemiresistor sensors were fabricated for sensing polar organic analyte vapours in the ambient atmosphere. The…”
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Joule heating effects in nanoscale carbon-based memory devices by Bachmann, T. A., Alexeev, A. M., Koelmans, W. W., Zipoli, F., Ott, A. K., Dou, C., Ferrari, A. C., Nagareddy, V. K., Craciun, M. F., Jonnalagadda, V. P., Curioni, A., Sebastian, A., Eleftheriou, E., Wright, C. D.

“…Joule heating plays a key role in the operation of carbon based memory devices. We developed a model that describes the field and temperature dependence of…”
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