Search Results - "van Dover, R. B."

High critical currents in iron-clad superconducting MgB2 wires by JIN, S, MAVOORI, H, BOWER, C, VAN DOVER, R. B

“…Technically useful bulk superconductors must have high transport critical current densities, Jc, at operating temperatures. They also require a normal metal…”
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Discovery of a useful thin-film dielectric using a composition-spread approach by van Dover, R. B, Schneemeyer, L. F, Fleming, R. M

“…The continuing drive towards miniaturization of electronic devices is motivating the search for new materials. Consider, for example, the case of the much-used…”
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Ethanol-Promoted High-Yield Growth of Few-Walled Carbon Nanotubes by Zhang, Yongyi, Gregoire, John M, van Dover, R. B, Hart, A. John

“…We report the use of a small concentration of ethanol in addition to ethylene as the carbon source for growth of dense vertically aligned “forests” of…”
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Dielectric properties of amorphous Bi–Ti–O thin films by Sun, R., Xu, W., van Dover, R. B.

“…We report the unexpectedly excellent dielectric properties of amorphous thin films with compositions in the Bi–Ti–O system. Films were deposited by RF…”
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Correlation Between Temperature Coefficient of Resonant Frequency and Tetragonality Ratio by Choi, Ji-Won, van Dover, R. B.

“…We show that the temperature coefficient of the resonant frequency of the tetragonal ceramics, τf, correlates to the measured tetragonality ratio (c/a). This…”
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Magnetic anisotropy of epitaxial cobalt ferrite thin films by Suzuki, Y., Hu, G., van Dover, R.B., Cava, R.J.

“…We have fabricated epitaxial single crystalline cobalt ferrite (CoFe 2O 4) thin films on CoCr 2O 4 buffered SrTiO 3 and MgAl 2O 4 substrates. Structural…”
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Multi-component high- K gate dielectrics for the silicon industry by Manchanda, L, Morris, M.D, Green, M.L, van Dover, R.B, Klemens, F, Sorsch, T.W, Silverman, P.J, Wilk, G, Busch, B, Aravamudhan, S

“…The exponential growth of the silicon industry can be attributed to that fact that silicon has a native oxide that is silicon dioxide. With SiO 2 soon…”
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Effect of the Octahedral Bond Valence on Microwave Dielectric Properties of (1−x)Al0.5Ta0.5O2−xMg0.33Ta0.67O2 Ceramics by Choi, Ji-Won, Yoon, Ki Hyun, van Dover, R. B.

“…The dependence of the octahedral bond valence on the microwave dielectric properties of (1−x)Al0.5Ta0.5O2−xMg0.33Ta0.67O2 (0.6≤x≤1.0) ceramics was…”
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Composition-dependent crystallization of alternative gate dielectrics by van Dover, R. B., Green, M. L., Manchanda, L., Schneemeyer, L. F., Siegrist, T.

“…We have investigated the crystallization of amorphous oxides that are considered likely candidates to replace amorphous SiO2 as the gate dielectric in advanced…”
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Amorphous lanthanide-doped TiOx dielectric films by van Dover, R. B.

“…Addition of Nd, Tb, or Dy to amorphous Ti–O thin films is found to improve the dielectric properties of the films. Specifically, substitution of 10–30 at. % of…”
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High critical currents in Y-Ba-Cu-O superconductors by JIN, S, TIEFEL, T. H, SHERWOOD, R. C, DAVIS, M. E, VAN DOVER, R. B, KAMMLOTT, G. W, FASTNACHT, R. A, KEITH, H. D

“…Melt-textured growth of polycrystalline YBa2Cu3O7−δ superconductor using directional solidification created an essentially 100% dense structure consisting of…”
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High-Throughput Measurement of Ionic Conductivity in Composition-Spread Thin Films by Duan, H, Yuan, C. C, Becerra, N, Small, L. J, Chang, A, Gregoire, J. M, van Dover, R. B

“…This paper demonstrates the feasibility of high-throughput investigation of ionic conductivity in oxygen-ion conductors. Yttria stabilized zirconia (YSZ)…”
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Critical currents and thermally activated flux motion in high-temperature superconductors by PALSTRA, T. T. M, BATLOGG, B, VAN DOVER, R. B, SCHNEEMEYER, L. F, WASZCZAK, J. V

“…We have measured the resistance below Tc of single crystals of the high-temperature superconductors Ba2YCu3O7 and Bi2.2Sr2Ca0.8Cu2O8+δ in magnetic fields up to…”
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A high-throughput search for direct methanol fuel cell anode electrocatalysts of type PtxBiyPbz by JING JIN, PROCHASKA, Mark, ROCHEFORT, Dominic, KIM, David K, LIN ZHUANG, DISALVO, Francis J, VAN DOVER, R. B, ABRUNA, Héctor D

“…We used a high-throughput method to screen for direct methanol fuel cell anode electrocatalysts in the Pt-Bi-Pb system. Previous studies showed that PtBi and…”
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Getter sputtering system for high-throughput fabrication of composition spreads by Gregoire, John M, van Dover, R B, Jin, Jing, Disalvo, Francis J, Abruña, Héctor D

“…We describe a sputtering system that can deposit composition spreads in an effectively UHV environment but which does not require the high-throughput paradigm…”
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Superconductivity in the quaternary intermetallic compounds LnNi2B2C by CAVA, R. J, TAKAGI, H, LEE, J. O, EISAKI, H, UCHIDA, S, ZANDBERGEN, H. W, KRAJEWSKI, J. J, PECK, W. F, SIEGRIST, T, BATLOGG, B, VAN DOVER, R. B, FELDER, R. J, MIZUHASHI, K

“…The attainment of unprecedentedly high transition temperatures in the copper oxide superconductors illustrates how working with more complex chemical systems…”
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Increased transition temperature in superconducting Na2CsC60 by intercalation of ammonia by ZHOU, O, FLEMING, R. M, MURPHY, D. W, ROSSEINSKY, M. J, RAMIREZ, A. P, VAN DOVER, R. B, HADDON, R. C

“…It is reported that the reaction of ammonia with Na2CsC60 produces the compound (NH3)4Na2CsC60, which has an expanded unit cell and an increased transition…”
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Dielectric properties of amorphous Zr–Al–O and Zr-Si-O thin films by Naoi, T. A., Paik, Hanjong, Green, M. L., van Dover, R. B.

“…We have systematically studied the composition dependence of the dielectric properties of Zr1-xAlxO2-x/2 and Zr1-xSixO2. An essentially linear variation of the…”
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Tunable VO2/Au hyperbolic metamaterial by Prayakarao, S., Mendoza, B., Devine, A., Kyaw, C., van Dover, R. B., Liberman, V., Noginov, M. A.

“…Vanadium dioxide (VO2) is known to have a semiconductor-to-metal phase transition at ∼68 °C. Therefore, it can be used as a tunable component of an active…”
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Superconductivity at 23 K in yttrium palladium boride carbide by Cava, R. J, Takagi, H, Batlogg, B, Zandbergen, H. W, Krajewski, J. J, Peck, W. F, van Dover, R. B, Felder, R. J, Siegrist, T, Mizuhashi, K, Lee, J. O, Eisaki, H, Carter, S. A, Uchida, S

“…The observation of superconductivity at 23 degrees K in a multiple-phase bulk sample of a quaternary intermetallic, yttrium palladium boride carbide is…”
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