Search Results - "Rouleau, C. M."

Full Electroresistance Modulation in a Mixed-Phase Metallic Alloy by Liu, Z Q, Li, L, Gai, Z, Clarkson, J D, Hsu, S L, Wong, A T, Fan, L S, Lin, M-W, Rouleau, C M, Ward, T Z, Lee, H N, Sefat, A S, Christen, H M, Ramesh, R

“…We report a giant, ∼22%, electroresistance modulation for a metallic alloy above room temperature. It is achieved by a small electric field of 2  kV/cm via…”
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Phase transitions in few-monolayer spin ice films by Bovo, L., Rouleau, C. M., Prabhakaran, D., Bramwell, S. T.

“…Vertex models are an important class of statistical mechanical system that admit exact solutions and exotic physics. Applications include water ice, ferro- and…”
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Growth of epitaxial TiN (111) thin films with low resistivity on Si (111) by crossed-beam pulsed laser deposition by Kang, Sukill, Rouleau, C. M.

“…Titanium nitride (TiN) thin films were grown epitaxially on Si (111) substrates by reactive pulsed laser deposition. Substrate temperatures ranged from 550 to…”
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Revealing the surface and bulk regimes of isothermal graphene nucleation and growth on Ni with in situ kinetic measurements and modeling by Puretzky, A.A., Merkulov, I.A., Rouleau, C.M., Eres, G., Geohegan, D.B.

“…In situ optical diagnostics are used to reveal the isothermal nucleation and growth kinetics of graphene on Ni across a wide temperature range (560°C<T<840°C)…”
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Model for Self-Assembly of Carbon Nanotubes from Acetylene Based on Real-Time Studies of Vertically Aligned Growth Kinetics by Eres, Gyula, Rouleau, C. M, Yoon, Mina, Puretzky, A. A, Jackson, J. J, Geohegan, D. B

“…Time-resolved optical reflectivity was used to study the kinetics in the early stages of vertically aligned carbon nanotube array growth from a molecular beam…”
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Anorthite sputtering by H+ and Arq+ (q = 1-9) at solar wind velocities by Hijazi, H., Bannister, M. E., Meyer III, H. M., Rouleau, C. M., Barghouty, A. F., Rickman, D. L., Meyer, F. W.

“…We report sputtering measurements of anorthite‐like material, taken to be representative of soils found in the lunar highlands, impacted by singly and…”
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Synthesis of Novel Thin-Film Materials by Pulsed Laser Deposition by Lowndes, Douglas H., Geohegan, D. B., Puretzky, A. A., Norton, D. P., Rouleau, C. M.

“…Pulsed laser deposition (PLD) is a conceptually and experimentally simple yet highly versatile tool for thin-film and multilayer research. Its advantages for…”
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An integrated portable Raman sensor with nanofabricated gold bowtie array substrates for energetics detection by Hatab, Nahla A, Rouleau, C M, Retterer, Scott T, Eres, Gyula, Hatzinger, Paul B, Gu, Baohua

“…An integrated field-portable surface enhanced Raman scattering (SERS) sensing system has been developed and evaluated for quantitative analysis of energetics…”
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Cumulative and continuous laser vaporization synthesis of single wall carbon nanotubes and nanohorns by Puretzky, A. A., Styers-Barnett, D. J., Rouleau, C. M., Hu, H., Zhao, B., Ivanov, I. N., Geohegan, D. B.

“…The conditions for the scaled synthesis of single wall carbon nanotubes (SWNTs) and single wall carbon nanohorns (SWNHs) by laser vaporization at high…”
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p-type ZnSe by nitrogen atom beam doping during molecular beam epitaxial growth by PARK, R. M, TROFFER, M. B, ROULEAU, C. M, DEPUYDT, J. M, HAASE, M. A

“…A novel approach to producing p-type ZnSe epitaxial layers is reported which involves nitrogen atom beam doping during molecular beam epitaxial growth. Net…”
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Speciation and Electronic Structure of La1−xSrxCoO3−δ During Oxygen Electrolysis by Stoerzinger, Kelsey A., Renshaw Wang, Xiao, Hwang, Jonathan, Rao, Reshma R., Hong, Wesley T., Rouleau, C. M., Lee, Dongwook, Yu, Yi, Crumlin, Ethan J., Shao-Horn, Yang

“…Cobalt-containing perovskite oxides are promising electrocatalysts for the oxygen evolution reaction (OER) in alkaline electrolyzers. However, a lack of…”
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The use of low-energy SIMS (LE-SIMS) for nanoscale fuel cell material development by Morris, R. J. H., Fearn, S., Perkins, J., Kilner, J., Dowsett, M. G., Beigalski, M. D., Rouleau, C. M.

“…Low‐energy secondary ion mass spectrometry has been used to investigate the matrix structure and interface attributes of a novel Ce0.85Sm0.15O2/CeO2 multilayer…”
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In situ time-resolved measurements of carbon nanotube and nanohorn growth by Geohegan, D. B., Puretzky, A. A., Styers-Barnett, D., Hu, H., Zhao, B., Cui, H., Rouleau, C. M., Eres, G., Jackson, J. J., Wood, R. F., Pannala, S., Wells, J. C.

“…Growth mechanisms of carbon nanotubes are investigated and compared for both high‐ and low‐temperature synthesis methods through experiments utilizing…”
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Nanoparticle generation and transport resulting from femtosecond laser ablation of ultrathin metal films: Time-resolved measurements and molecular dynamics simulations by Rouleau, C. M., Shih, C.-Y., Wu, C., Zhigilei, L. V., Puretzky, A. A., Geohegan, D. B.

“…The synthesis of metal nanoparticles by ultrafast laser ablation of nanometers-thick metal films has been studied experimentally and computationally…”
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Time-resolved study of SrTiO3 homoepitaxial pulsed-laser deposition using surface x-ray diffraction by Eres, G., Tischler, J. Z., Yoon, M., Larson, B. C., Rouleau, C. M., Lowndes, D. H., Zschack, P.

“…Homoepitaxy of SrTiO3 by pulsed-laser deposition has been studied using in situ time-resolved surface x-ray diffraction in the temperature range of 310 °C to…”
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Slowing of femtosecond laser-generated nanoparticles in a background gas by Rouleau, C. M., Puretzky, A. A., Geohegan, D. B.

“…The slowing of Pt nanoparticles in argon background gas was characterized by Rayleigh scattering imaging using a plume of nanoparticles generated by…”
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Continuous composition-spread thin films of transition metal oxides by pulsed-laser deposition by Ohkubo, I., Christen, H.M., Khalifah, P., Sathyamurthy, S., Zhai, H.Y., Rouleau, C.M., Mandrus, D.G., Lowndes, D.H.

“…We have designed an improved pulsed-laser deposition–continuous composition-spread (PLD–CCS) system that overcomes the difficulties associated with earlier…”
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Generalized ellipsometry in unusual configurations by Jellison, G.E., Holcomb, D.E., Hunn, J.D., Rouleau, C.M., Wright, G.W.

“…Most ellipsometry experiments are performed by shining polarized light onto a sample at a large angle of incidence, and the results are interpreted in terms of…”
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High-throughput growth temperature optimization of ferroelectric SrxBa1−xNb2O6 epitaxial thin films using a temperature gradient method by Ohkubo, I., Christen, H. M., Kalinin, Sergei V., Jellison, G. E., Rouleau, C. M., Lowndes, D. H.

“…We have developed a multisample film growth method on a temperature-gradient substrate holder to quickly optimize the film growth temperature in pulsed-laser…”
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Kinetic and potential sputtering of an anorthite‐like glassy thin film by Hijazi, H., Bannister, M. E., Meyer, H. M., Rouleau, C. M., Meyer, F. W.

“…In this paper, we present measurements of He+ and He+2 ion‐induced sputtering of an anorthite‐like thin film at a fixed solar wind‐relevant impact energy of…”
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