Search Results - "Störmer, H."

Impact of Preparation Method and Hydrothermal Aging on Particle Size Distribution of Pt/γ-Al2O3 and Its Performance in CO and NO Oxidation by Ogel, E, Casapu, M, Doronkin, D. E, Popescu, R, Störmer, H, Mechler, C, Marzun, G, Barcikowski, S, Türk, M, Grunwaldt, J.-D

“…The influence of the preparation method and the corresponding particle size distribution on the hydrothermal deactivation behavior at 600–800 °C and…”
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Optimization of Material Contrast for Efficient FIB‐SEM Tomography of Solid Oxide Fuel Cells by Meffert, M., Wankmüller, F., Störmer, H., Weber, A., Lupetin, P., Ivers‐Tiffée, E., Gerthsen, D.

“…Focused ion beam (FIB) – scanning electron microscopy (SEM) serial sectioning tomography has become an important tool for three‐dimensional microstructure…”
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Microstructure stability studies of Ni patterned anodes for SOFC by Utz, A., Störmer, H., Gerthsen, D., Weber, A., Ivers-Tiffée, E.

“…Although fundamental work has focused for a while now on the kinetics of the Ni–YSZ cermet anode, there still is no consensus on the rate determining steps…”
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Dirac charge dynamics in graphene by infrared spectroscopy by Martin, M. C, Li, Z. Q, Henriksen, E. A, Stormer, H. L, Jiang, Z, Kim, P, Basov, D. N, Hao, Z

“…A remarkable manifestation of the quantum character of electrons in matter is offered by graphene, a single atomic layer of graphite. Unlike conventional…”
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Room-Temperature Quantum Hall Effect in Graphene by Novoselov, K.S, Jiang, Z, Zhang, Y, Morozov, S.V, Stormer, H.L, Zeitler, U, Maan, J.C, Boebinger, G.S, Kim, P, Geim, A.K

“…The quantum Hall effect (QHE), one example of a quantum phenomenon that occurs on a truly macroscopic scale, has attracted intense interest since its discovery…”
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Accelerated degradation of 8.5mol% Y2O3-doped zirconia by dissolved Ni by Butz, B., Lefarth, A., Störmer, H., Utz, A., Ivers-Tiffée, E., Gerthsen, D.

“…This study focuses on the clarification of the accelerated degradation of the ionic conductivity of Ni-containing 8.5mol% Y2O3-doped ZrO2 (8YDZ) under reducing…”
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Temperature-dependent transport in suspended graphene by Bolotin, K I, Sikes, K J, Hone, J, Stormer, H L, Kim, P

“…The resistivity of ultraclean suspended graphene is strongly temperature (T) dependent for 5<T<240 K. At T-5 K transport is near-ballistic in a device of…”
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Quantum Hall states near the charge-neutral Dirac point in graphene by Jiang, Z, Zhang, Y, Stormer, H L, Kim, P

“…We investigate the quantum Hall (QH) states near the charge-neutral Dirac point of a high mobility graphene sample in high magnetic fields. We find that the QH…”
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Measurement of scattering rate and minimum conductivity in graphene by Tan, Y-W, Zhang, Y, Bolotin, K, Zhao, Y, Adam, S, Hwang, E H, Das Sarma, S, Stormer, H L, Kim, P

“…The conductivity of graphene samples with various levels of disorder is investigated for a set of specimens with mobility in the range of 1-20x10(3) cm2/V sec…”
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Ultrahigh electron mobility in suspended graphene by Bolotin, K.I., Sikes, K.J., Jiang, Z., Klima, M., Fudenberg, G., Hone, J., Kim, P., Stormer, H.L.

“…We have achieved mobilities in excess of 200,000 cm 2 V −1 s −1 at electron densities of ∼2 ×10 11 cm −2 by suspending single layer graphene. Suspension…”
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Band structure asymmetry of bilayer graphene revealed by infrared spectroscopy by Li, Z Q, Henriksen, E A, Jiang, Z, Hao, Z, Martin, M C, Kim, P, Stormer, H L, Basov, D N

“…We report on infrared spectroscopy of bilayer graphene integrated in gated structures. We observe a significant asymmetry in the optical conductivity upon…”
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Observation of Graphene Bubbles and Effective Mass Transport under Graphene Films by Stolyarova, E, Stolyarov, D, Bolotin, K, Ryu, S, Liu, L, Rim, K. T, Klima, M, Hybertsen, M, Pogorelsky, I, Pavlishin, I, Kusche, K, Hone, J, Kim, P, Stormer, H. L, Yakimenko, V, Flynn, G

“…Mechanically exfoliated graphene mounted on a SiO2/Si substrate was subjected to HF/H2O etching or irradiation by energetic protons. In both cases gas was…”
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Electron correlation in the second Landau level: A competition between many nearly degenerate quantum phases by XIA, J. S, PAN, W, VICENTE, C. L, ADAMS, E. D, SULLIVAN, N. S, STORMER, H. L, TSUI, D. C, PFEIFFER, L. N, BALDWIN, K. W, WEST, K. W

“…At a very low-temperature of 9 mK, electrons in the second Landau level of an extremely high-mobility two-dimensional electron system exhibit a very complex…”
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Infrared spectroscopy of Landau levels of graphene by Jiang, Z, Henriksen, E A, Tung, L C, Wang, Y-J, Schwartz, M E, Han, M Y, Kim, P, Stormer, H L

“…We report infrared studies of the Landau level (LL) transitions in single layer graphene. Our specimens are density tunable and show in situ half-integer…”
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Thermal stability of SiCN ceramics studied by spectroscopy and electron microscopy by Kleebe, H.-J., Störmer, H., Trassl, S., Ziegler, G.

“…Processing of two precursor‐derived SiCN ceramic monoliths was performed employing different liquid polymers, which were obtained by ammonolysis of…”
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Cyclotron resonance in bilayer graphene by Henriksen, E A, Jiang, Z, Tung, L-C, Schwartz, M E, Takita, M, Wang, Y-J, Kim, P, Stormer, H L

“…We present the first measurements of cyclotron resonance of electrons and holes in bilayer graphene. In magnetic fields up to B=18 T, we observe four distinct…”
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Interaction-induced shift of the cyclotron resonance of graphene using infrared spectroscopy by Henriksen, E A, Cadden-Zimansky, P, Jiang, Z, Li, Z Q, Tung, L-C, Schwartz, M E, Takita, M, Wang, Y-J, Kim, P, Stormer, H L

“…We report a study of the cyclotron resonance (CR) transitions to and from the unusual n=0 Landau level (LL) in monolayer graphene. Unexpectedly, we find the CR…”
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Impact of nickel on the surface reaction in ceria-based electrodes for solid oxide cells by Kullmann, F., Esau, D., Limbeck, K., Dierickx, S., Lindner, A., Störmer, H., Weber, A.

“…Nickel/ceria composites as fuel electrodes in solid oxide cells have been in focus of research and development for many years. The mixed ionic electronic…”
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Temperature dependent electron transport in graphene by Tan, Y.-W., Zhang, Y., Stormer, H. L., Kim, P.

“…We have investigated the electron transport in graphene at different carrier densities. Single layer graphene was fabricated into Hall bar shaped devices by…”
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Fractional quantum Hall effect of composite fermions by Pan, W, Stormer, H L, Tsui, D C, Pfeiffer, L N, Baldwin, K W, West, K W

“…In a GaAs/AlGaAs quantum well of density 1 x 10(11) cm(-2) we observed a fractional quantum Hall effect (FQHE) at nu = 4/11 and 5/13, and weaker states at nu =…”
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