All Outputs (756)

Cluster beam synthesis of metal and metal-oxide nanoparticles for emerging memories (2014)
Journal Article
Verrelli, E., & Tsoukalas, D. (2014). Cluster beam synthesis of metal and metal-oxide nanoparticles for emerging memories. Solid-state electronics, 101, 95-105. https://doi.org/10.1016/j.sse.2014.06.017

© 2014 Elsevier Ltd. All rights reserved. In this work we present results concerning the cluster beam synthesis of metal and metal-oxide nanoparticles together with their applications in emerging memories like nanoparticle Flash memories and resistiv... Read More about Cluster beam synthesis of metal and metal-oxide nanoparticles for emerging memories.

MESA and NuGrid simulations of classical novae: CO and ONe nova nucleosynthesis (2014)
Journal Article
Denissenkov, P. A., Truran, J. W., Pignatari, M., Trappitsch, R., Ritter, C., Herwig, F., Battino, U., Setoodehnia, K., & Paxton, B. (2014). MESA and NuGrid simulations of classical novae: CO and ONe nova nucleosynthesis. Monthly notices of the Royal Astronomical Society, 442(3), 2058-2074. https://doi.org/10.1093/mnras/stu1000

Classical novae are the result of thermonuclear flashes of hydrogen accreted by CO or ONe white dwarfs, leading eventually to the dynamic ejection of the surface layers. These are observationally known to be enriched in heavy elements, such as C, O a... Read More about MESA and NuGrid simulations of classical novae: CO and ONe nova nucleosynthesis.

The main sequence and the fundamental metallicity relation in MaGICC Galaxies: evolution and scatter (2014)
Journal Article
Obreja, A., Brook, C. B., Stinson, G., Domínguez-Tenreiro, R., Gibson, B. K., Silva, L., & Granato, G. L. (2014). The main sequence and the fundamental metallicity relation in MaGICC Galaxies: evolution and scatter. Monthly notices of the Royal Astronomical Society, 442(2), 1794-1804. https://doi.org/10.1093/mnras/stu891

Using cosmological galaxy simulations from the MaGICC project, we study the evolution of the stellar masses, star formation rates and gas-phase abundances of star-forming galaxies. We derive the stellar masses and star formation rates using observati... Read More about The main sequence and the fundamental metallicity relation in MaGICC Galaxies: evolution and scatter.

Efficient out-coupling and beaming of Tamm optical states via surface plasmon polariton excitation (2014)
Journal Article
Lopez-Garcia, M., Ho, Y. .-L. D., Taverne, M. P. C., Chen, L.-F., Murshidy, M. M., Edwards, A. P., Serry, M. Y., Adawi, A. M., Rarity, J. G., & Oulton, R. (2014). Efficient out-coupling and beaming of Tamm optical states via surface plasmon polariton excitation. Applied physics letters, 104(23), 231116. https://doi.org/10.1063/1.4882180

We present evidence of optical Tamm states to surface plasmon polariton (SPP) coupling. We experimentally demonstrate that for a Bragg stack with a thin metal layer on the surface, hybrid Tamm-SPP modes may be excited when a grating on the air-metal... Read More about Efficient out-coupling and beaming of Tamm optical states via surface plasmon polariton excitation.

The WiggleZ Dark Energy Survey: improved distance measurements to z = 1 with reconstruction of the baryonic acoustic feature (2014)
Journal Article
Kazin, E. A., Koda, J., Blake, C., Padmanabhan, N., Brough, S., Colless, M., Contreras, C., Couch, W., Croom, S., Croton, D. J., Davis, T. M., Drinkwater, M. J., Forster, K., Gilbank, D., Gladders, M., Glazebrook, K., Jelliffe, B., Jurek, R. J., Li, I.-H., Madore, B., …Yee, H. K. C. (2014). The WiggleZ Dark Energy Survey: improved distance measurements to z = 1 with reconstruction of the baryonic acoustic feature. Monthly notices of the Royal Astronomical Society, 441(4), 3524-3542. https://doi.org/10.1093/mnras/stu778

We present significant improvements in cosmic distance measurements from the WiggleZ Dark Energy Survey, achieved by applying the reconstruction of the baryonic acoustic feature technique. We show using both data and simulations that the reconstructi... Read More about The WiggleZ Dark Energy Survey: improved distance measurements to z = 1 with reconstruction of the baryonic acoustic feature.

Measurement of the 241Am and the 243Am Neutron Capture Cross Sections at the n_TOF Facility at CERN (2014)
Journal Article
Riego, A., Reifarth, R., Rauscher, T., Sarmento, R., Rubbia, C., Roman, F., Schumann, D., Schmidt, S., Schillebeeckx, P., Wallner, A., Vlastou, R., Vlachoudis, V., Vermeulen, M., Versaci, R., Ventura, A., Vaz, P., Variale, V., Vannini, G., Valenta, S., Tsinganis, A., …Schumann, D. (2014). Measurement of the 241Am and the 243Am Neutron Capture Cross Sections at the n_TOF Facility at CERN. Nuclear data sheets, 119, 65-68. https://doi.org/10.1016/j.nds.2014.08.020

The capture cross sections of 241 Am and 243 Am were measured at the n TOF facility at CERN in the epithermal energy range with a BaF 2 Total Absorption Calorimeter. A preliminary analysis of the 241 Am and a complete analysis of the 243 Am measureme... Read More about Measurement of the 241Am and the 243Am Neutron Capture Cross Sections at the n_TOF Facility at CERN.

Chemical evolution of classical and ultra-faint dwarf spheroidal galaxies (2014)
Journal Article
Vincenzo, F., Matteucci, F., Vattakunnel, S., & A. Lanfranchi, G. (2014). Chemical evolution of classical and ultra-faint dwarf spheroidal galaxies. Monthly notices of the Royal Astronomical Society, 441(4), 2815–2830. https://doi.org/10.1093/mnras/stu710

We present updated chemical evolution models of two dwarf spheroidal galaxies (Sculptor and Carina) and the first detailed chemical evolution models of two ultra-faint dwarfs (Hercules and Bo\"otes I). Our results suggest that the dwarf spheroidals e... Read More about Chemical evolution of classical and ultra-faint dwarf spheroidal galaxies.

Carbon dioxide interaction with isolated imidazole or attached on gold clusters and surface: Competition between σ H-bond and π stacking interaction (2014)
Journal Article
Prakash, M., Mathivon, K., Benoit, D. M., Chambaud, G., & Hochlaf, M. (2014). Carbon dioxide interaction with isolated imidazole or attached on gold clusters and surface: Competition between σ H-bond and π stacking interaction. Physical chemistry chemical physics : PCCP, 16(24), 12503-12509. https://doi.org/10.1039/c4cp01292e

Using first principle methodologies, we investigate the subtle competition between σ H-bond and π stacking interaction between CO 2 and imidazole either isolated, adsorbed on a gold cluster or adsorbed on a gold surface. These computations are perfor... Read More about Carbon dioxide interaction with isolated imidazole or attached on gold clusters and surface: Competition between σ H-bond and π stacking interaction.

Light emission enhancement using randomly distributed plasmonic nanoparticle arrays (2014)
Journal Article
Butkus, J., Edwards, A. P., Quacquarelli, F. P., & Adawi, A. M. (2014). Light emission enhancement using randomly distributed plasmonic nanoparticle arrays. Optical materials, 36(9), 1502-1505. https://doi.org/10.1016/j.optmat.2014.04.010

We have fabricated and characterised the optical properties of solution processed randomly distributed gold nanoparticle plasmonic arrays that are coated with a thin-film fluorescent dye. Three times enhancement in the emission intensity of the fluor... Read More about Light emission enhancement using randomly distributed plasmonic nanoparticle arrays.

Measurement of the neutron capture cross section of the c235U with the CERN n_TOF total absorption calorimeter and a fission tagging based on micromegas detectors (2014)
Journal Article
Žugec, P., Wright, T., Weiß, C., Weigand, M., Ware, T., Wallner, A., Vlastou, R., Vlachoudis, V., Vermeulen, M., Versaci, R., Balibrea, J., Mendoza, E., Cano-Ott, D., Guerrero, C., Berthoumieux, E., Altstadt, S., Andrzejewski, J., Audouin, L., Barbagallo, M., Bécares, V., …Tsinganis, A. (2014). Measurement of the neutron capture cross section of the c235U with the CERN n_TOF total absorption calorimeter and a fission tagging based on micromegas detectors. Nuclear data sheets, 119, 10-13. https://doi.org/10.1016/j.nds.2014.08.005

© 2014 Elsevier Inc. All rights reserved. Current and future nuclear technologies require more accurate nuclear data on (n,γ) cross sections and the α-ratios of fissile isotopes. Their measurement presents several difficulties, mainly related to the... Read More about Measurement of the neutron capture cross section of the c235U with the CERN n_TOF total absorption calorimeter and a fission tagging based on micromegas detectors.

Measurement of the 54,57Fe (n,γ) cross section in the resolved resonance region at CERN n_TOF (2014)
Journal Article
Valenta, S., Vannini, G., Variale, V., Vaz, P., Ventura, A., Versaci, R., Wright, T., Ware, T., Weiß, C., Weigand, M., Žugec, P., Giubrone, G., Domingo-Pardo, C., Taín, J. L., Lederer, C., Altstadt, S., Andrzejewski, J., Audouin, L., Barbagallo, M., Bécares, V., …Versaci, R. (2014). Measurement of the 54,57Fe (n,γ) cross section in the resolved resonance region at CERN n_TOF. Nuclear data sheets, 119, 117-120. https://doi.org/10.1016/j.nds.2014.08.033

© 2014 Elsevier Inc. 54 Fe and 57 Fe are stable iron isotopes, which play an important role in the nucleosynthesis of theslow neutron capture process (s process). In addition, these nuclei are present in many structuralmaterials, and therefore, the k... Read More about Measurement of the 54,57Fe (n,γ) cross section in the resolved resonance region at CERN n_TOF.

High-precision measurement of the 238U (n,γ) cross section with the Total Absorption Calorimeter (TAC) at n_TOF, CERN (2014)
Journal Article
Wright, T., Guerrero, C., Billowes, J., Ware, T., Cano-Ott, D., Mendoza, E., Massimi, C., Mingrone, F., Gunsing, F., Berthoumieux, E., Lampoudis, C., Altstadt, S., Andrzejewski, J., Audouin, L., Barbagallo, M., Bécares, V., Bečvář, F., Belloni, F., Boccone, V., Bosnar, D., …Vermeulen, M. (2014). High-precision measurement of the 238U (n,γ) cross section with the Total Absorption Calorimeter (TAC) at n_TOF, CERN. Nuclear data sheets, 119, 26-30. https://doi.org/10.1016/j.nds.2014.08.009

The neutron capture cross section of 238 U is fundamental to the design and operation of current reactors and future fast nuclear reactors, and thus must be measured to a high level of accuracy. An experiment has been performed at the CERN n TOF faci... Read More about High-precision measurement of the 238U (n,γ) cross section with the Total Absorption Calorimeter (TAC) at n_TOF, CERN.

Investigation of neutron-induced reactions at n_TOF: An overview of the 2009-2012 experimental program (2014)
Journal Article
Guerrero, C., Altstadt, S., Andrzejewski, J., Audouin, L., Barbagallo, M., Bécares, V., Bečvář, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., Bosnar, D., Brugger, M., Calviani, M., Calviño, F., Cano-Ott, D., Carrapiço, C., Cerutti, F., Chiaveri, E., Chin, M., …Tarrío, D. (2014). Investigation of neutron-induced reactions at n_TOF: An overview of the 2009-2012 experimental program. Nuclear data sheets, 119, 5-9. https://doi.org/10.1016/j.nds.2014.08.004

The neutron time-of-flight facility n TOF is operating at CERN (Switzerland) since 2001, having started in 2009 a new campaign with an upgraded spallation target. The ambitious program carried out includes a large number of experiments in nuclear tec... Read More about Investigation of neutron-induced reactions at n_TOF: An overview of the 2009-2012 experimental program.

The role of feedback in shaping the structure of the interstellar medium (2014)
Journal Article
Walker, A. P., Gibson, B. K., Pilkington, K., Brook, C. B., Dutta, P., Stanimirović, S., Stinson, G. S., & Bailin, J. (2014). The role of feedback in shaping the structure of the interstellar medium. Monthly notices of the Royal Astronomical Society, 441(1), 525-531. https://doi.org/10.1093/mnras/stu419

We present an analysis of the role of feedback in shaping the neutral hydrogen (H i) content of simulated disc galaxies. For our analysis, we have used two realizations of two separate Milky Way-like (~L{black star}) discs - one employing a conservat... Read More about The role of feedback in shaping the structure of the interstellar medium.

Distribution of slow and fast rotators in the Fornax cluster (2014)
Journal Article
Scott, N., Davies, R. L., Houghton, R. C. W., Cappellari, M., Graham, A. W., & Pimbblet, K. A. (2014). Distribution of slow and fast rotators in the Fornax cluster. Monthly notices of the Royal Astronomical Society, 441(1), 274-288. https://doi.org/10.1093/mnras/stu472

We present integral field spectroscopy of 10 early-type galaxies in the nearby, low-mass, Fornax cluster, from which we derive spatially resolved stellar kinematics. Based on the morphologies of their stellar velocity maps we classify 2/10 galaxies a... Read More about Distribution of slow and fast rotators in the Fornax cluster.

Barium isotopic composition of mainstream silicon carbides from Murchison : constraints for s-process nucleosynthesis in asymptotic giant branch stars (2014)
Journal Article
Savina, M. R., Pellin, M. J., Willingham, D. G., Pignatari, M., Bisterzo, S., Cristallo, S., Dauphas, N., Davis, A. M., Gallino, R., Gyngard, F., Herwig, F., Liu, N., Pellin, M. J., Savina, M., Straniero, O., & Willingham, D. (2014). Barium isotopic composition of mainstream silicon carbides from Murchison : constraints for s-process nucleosynthesis in asymptotic giant branch stars. The Astrophysical journal, 786(1), 66. https://doi.org/10.1088/0004-637x/786/1/66

We present barium, carbon, and silicon isotopic compositions of 38 acid-cleaned presolar SiC grains from Murchison. Comparison with previous data shows that acid washing is highly effective in removing barium contamination. Strong depletions in δ(138... Read More about Barium isotopic composition of mainstream silicon carbides from Murchison : constraints for s-process nucleosynthesis in asymptotic giant branch stars.

Current quests in nucleosynthesis: Present and future neutron-induced reaction measurements (2014)
Journal Article
Praena, J., Pignatari, M., Mastinu, P., Martín-Hernández, G., Prete, G., Quesada, J., & Sabaté-Gilarte, M. (2014). Current quests in nucleosynthesis: Present and future neutron-induced reaction measurements. EPJ Web of Conferences, 66, 07022. https://doi.org/10.1051/epjconf/20146607022

We present some open questions in nucleosynthesis focused on the measurement of relevant neutron capture cross-sections and on new experimental methods. We review the recent 63 Ni(n,γ) experiment carried out at the n-TOF facility at CERN and its astr... Read More about Current quests in nucleosynthesis: Present and future neutron-induced reaction measurements.

Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe (2014)
Journal Article
Oliva-Altamirano, P., Brough, S., Lidman, C., Couch, W. J., Hopkins, A. M., Colless, M., Taylor, E., Robotham, A. S. G., Gunawardhana, M. L. P., Ponman, T., Baldry, I., Bauer, A. E., Bland-Hawthorn, J., Cluver, M., Cameron, E., Conselice, C. J., Driver, S., Edge, A. C., Graham, A. W., van Kampen, E., …Sharp, R. G. (2014). Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe. Monthly notices of the Royal Astronomical Society, 440(1), 762-775. https://doi.org/10.1093/mnras/stu277

We have analysed the growth of Brightest Group Galaxies and Brightest Cluster Galaxies (BGGs/BCGs) over the last 3 billion years using a large sample of 883 galaxies from the Galaxy And Mass Assembly survey. By comparing the stellar mass of BGGs and... Read More about Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe.

Galaxy and Mass Assembly (GAMA) : fine filaments of galaxies detected within voids (2014)
Journal Article
Alpaslan, M., Robotham, A. S., Obreschkow, D., Penny, S., Driver, S., Norberg, P., Brough, S., Brown, M., Cluver, M., Holwerda, B. W., Hopkins, A. M., van Kampen, E., Kelvin, L. S., Lara-Lopez, M. A., Liske, J., Loveday, J., Mahajan, S., & Pimbblet, K. (2014). Galaxy and Mass Assembly (GAMA) : fine filaments of galaxies detected within voids. Monthly notices of the Royal Astronomical Society. Letters, 440(1), L106-L110. https://doi.org/10.1093/mnrasl/slu019

Based on data from the Galaxy and Mass Assembly (GAMA) survey, we report on the discovery of structures that we refer to as ‘tendrils’ of galaxies: coherent, thin chains of galaxies that are rooted in filaments and terminate in neighbouring filaments... Read More about Galaxy and Mass Assembly (GAMA) : fine filaments of galaxies detected within voids.

Constraints on the Galactic bar from the Hercules stream as traced with RAVE across the Galaxy (2014)
Journal Article
Antoja, T., Helmi, A., Dehnen, W., Bienaymé, O., Bland-Hawthorn, J., Famaey, B., Freeman, K., Gibson, B. K., Gilmore, G., Grebel, E. K., Kordopatis, G., Kunder, A., Minchev, I., Munari, U., Navarro, J., Parker, Q., Reid, W. A., Seabroke, G., Siebert, A., Steinmetz, M., …Zwitter, T. (2014). Constraints on the Galactic bar from the Hercules stream as traced with RAVE across the Galaxy. Astronomy and Astrophysics, 563, A60-1-A60-17. https://doi.org/10.1051/0004-6361/201322623

Non-axisymmetries in the Galactic potential (spiral arms and bar) induce kinematic groups such as the Hercules stream. Assuming that Hercules is caused by the effects of the outer Lindblad resonance of the Galactic bar, we model analytically its prop... Read More about Constraints on the Galactic bar from the Hercules stream as traced with RAVE across the Galaxy.