Search Results - "CONRAD, E. H"

Semiconducting Graphene from Highly Ordered Substrate Interactions by Nevius, M S, Conrad, M, Wang, F, Celis, A, Nair, M N, Taleb-Ibrahimi, A, Tejeda, A, Conrad, E H

“…While numerous methods have been proposed to produce semiconducting graphene, a significant band gap has never been demonstrated. The reason is that,…”
Get full text

Why multilayer graphene on 4H-SiC(0001[over ]) behaves like a single sheet of graphene by Hass, J, Varchon, F, Millán-Otoya, J E, Sprinkle, M, Sharma, N, de Heer, W A, Berger, C, First, P N, Magaud, L, Conrad, E H

“…We show experimentally that multilayer graphene grown on the carbon terminated SiC(0001[over ]) surface contains rotational stacking faults related to the…”
Get full text

A wide-bandgap metal–semiconductor–metal nanostructure made entirely from graphene by Hicks, J., Tejeda, A., Taleb-Ibrahimi, A., Nevius, M. S., Wang, F., Shepperd, K., Palmer, J., Bertran, F., Le Fèvre, P., Kunc, J., de Heer, W. A., Berger, C., Conrad, E. H.

“…Present methods for producing semiconducting–metallic graphene networks suffer from stringent lithographic demands, process-induced disorder in the graphene,…”
Get full text

Electronic structure of epitaxial graphene layers on SiC: effect of the substrate by Varchon, F, Feng, R, Hass, J, Li, X, Nguyen, B Ngoc, Naud, C, Mallet, P, Veuillen, J-Y, Berger, C, Conrad, E H, Magaud, L

“…A strong substrate-graphite bond is found in the first all-carbon layer by density functional theory calculations and x-ray diffraction for few graphene layers…”
Get full text

First direct observation of a nearly ideal graphene band structure by Sprinkle, M, Siegel, D, Hu, Y, Hicks, J, Tejeda, A, Taleb-Ibrahimi, A, Le Fèvre, P, Bertran, F, Vizzini, S, Enriquez, H, Chiang, S, Soukiassian, P, Berger, C, de Heer, W A, Lanzara, A, Conrad, E H

“…Angle-resolved photoemission and x-ray diffraction experiments show that multilayer epitaxial graphene grown on the SiC(0001) surface is a new form of carbon…”
Get full text

High Layer Uniformity of Two-Dimensional Materials Demonstrated Surprisingly from Broad Features in Surface Electron Diffraction by Chen, S, Horn von Hoegen, M, Thiel, P. A, Kaminski, A, Schrunk, B, Speliotis, T, Conrad, E. H, Tringides, M. C

“…Paradoxically, a very broad diffraction background, named the bell-shaped-component (BSC), has been established as a feature of graphene growth. Recent…”
Get full text

The Bottom-up Growth of Edge Specific Graphene Nanoribbons by Nevius, M. S, Wang, F, Mathieu, C, Barrett, N, Sala, A, Menteş, T. O, Locatelli, A, Conrad, E. H

“…The discovery of ballistic transport in graphene grown on SiC(0001) sidewall trenches has sparked an intense effort to uncover the origin of this exceptional…”
Get full text

Wide-Gap Semiconducting Graphene from Nitrogen-Seeded SiC by Wang, F, Liu, G, Rothwell, S, Nevius, M, Tejeda, A, Taleb-Ibrahimi, A, Feldman, L. C, Cohen, P. I, Conrad, E. H

“…All carbon electronics based on graphene have been an elusive goal. For more than a decade, the inability to produce significant band-gaps in this material has…”
Get full text

Electronic structure of epitaxial graphene grown on the C-face of SiC and its relation to the structure by Tejeda, A, Taleb-Ibrahimi, A, de Heer, W, Berger, C, Conrad, E H

“…The interest in graphene stems from its unique band structure that photoemission spectroscopy can directly probe. However, the preparation method can…”
Get full text

Influence of quantum size effects on island coarsening by Jeffrey, C A, Conrad, E H, Feng, R, Hupalo, M, Kim, C, Ryan, P J, Miceli, P F, Tringides, M C

“…Surface x-ray scattering and scanning-tunneling microscopy experiments reveal novel coarsening behavior of Pb nanocrystals grown on Si(111)-(7 x 7). It is…”
Get full text

Highly ordered graphene for two dimensional electronics by Hass, J., Feng, R., Li, T., Li, X., Zong, Z., de Heer, W. A., First, P. N., Conrad, E. H., Jeffrey, C. A., Berger, C.

“…With expanding interest in graphene-based electronics, it is crucial that high quality graphene films be grown. Sublimation of Si from the 4 H - Si C ( 0001 )…”
Get full text

Wetting-layer transformation for Pb nanocrystals grown on Si(111) by Feng, R., Conrad, E. H., Tringides, M. C., Kim, C., Miceli, P. F.

“…We present the results of in situ x-ray scattering experiments that investigate the growth of Pb nanocrystalline islands on Si(111). It is conclusively shown…”
Get full text

High island densities and long range repulsive interactions: Fe on epitaxial graphene by Binz, S M, Hupalo, M, Liu, Xiaojie, Wang, C Z, Lu, Wen-Cai, Thiel, P A, Ho, K M, Conrad, E H, Tringides, M C

“…The understanding of metal nucleation on graphene is essential for promising future applications, especially of magnetic metals which can be used in…”
Get full text

Pattern induced ordering of semiconducting graphene ribbons grown from nitrogen-seeded SiC by Wang, F., Liu, G., Rothwell, S., Nevius, M.S., Mathieu, C., Barrett, N., Sala, A., Menteş, T.O., Locatelli, A., Cohen, P.I., Feldman, L.C., Conrad, E.H.

“…A wide band gap semiconducting form of graphene can be produced by growing a buckled form of graphene from a SiC(0001¯) surface randomly seeded with nitrogen…”
Get full text

Laboratory-based real and reciprocal space imaging of the electronic structure of few layer graphene on SiC(0001¯) using photoelectron emission microscopy by Barrett, N., Winkler, K., Krömker, B., Conrad, E.H.

“…We present real and reciprocal space photoelectron emission microscopy (PEEM) results on few layer graphene using laboratory based He I and II radiation. The…”
Get full text

Silicon intercalation into the graphene-SiC interface by Wang, F., Shepperd, K., Hicks, J., Nevius, M. S., Tinkey, H., Tejeda, A., Taleb-Ibrahimi, A., Bertran, F., Le Fèvre, P., Torrance, D. B., First, P. N., de Heer, W. A., Zakharov, A. A., Conrad, E. H.

“…In this work we use low-energy electron microscopy, x-ray photoemission electron microscopy, and x-ray photoelectron spectroscopy to study how the excess Si at…”
Get full text

Involvement of phosphatidylinositol and insulin in the coordinate regulation of proteoheparan sulfate metabolism and hepatocyte growth by Ishihara, M., Fedarko, N.S., Conrad, H.E.

“…A rat hepatocyte cell line was cultured in Higuchi's medium with fetal calf serum and insulin and labeled with 35SO2/4-. The cells were treated with a number…”
Get full text

Transport of heparan sulfate into the nuclei of hepatocytes by Ishihara, M, Fedarko, N S, Conrad, H E

“…Monolayer cultures of a rat hepatocyte cell line shown previously to accumulate a nuclear pool of free heparan sulfate chains that are enriched in sulfated…”
Get full text

A Unique Heparan Sulfate in the Nuclei of Hepatocytes: Structural Changes with the Growth State of the Cells by Fedarko, Neal S., Conrad, H. Edward

“…Growing and confluent cultures of a rat hepatocyte cell line were labeled with35SO4 2-and the heparan sulfate in the culture medium, the pericellular matrix,…”
Get full text

Epitaxial graphene: the material for graphene electronics by Sprinkle, M., Soukiassian, P., de Heer, W. A., Berger, C., Conrad, E. H.

“…The search for an ideal graphene sheet has been a quest driving graphene research. While most research has focused on exfoliated graphene, intrinsic substrate…”
Get full text