All Outputs (750)

Temperature-dependent ferromagnetic resonance via the Landau-Lifshitz-Bloch equation: Application to FePt (2014)
Journal Article
Ostler, T. A., Ellis, M. O., Hinzke, D., & Nowak, U. (2014). Temperature-dependent ferromagnetic resonance via the Landau-Lifshitz-Bloch equation: Application to FePt. Physical review B: Condensed matter and materials physics, 90(9), Article 094402. https://doi.org/10.1103/PhysRevB.90.094402

Using the Landau-Lifshitz-Bloch (LLB) equation for ferromagnetic materials, we derive analytic expressions for temperature-dependent absorption spectra as probed by ferromagnetic resonance. By analyzing the resulting expressions, we can predict the v... Read More about Temperature-dependent ferromagnetic resonance via the Landau-Lifshitz-Bloch equation: Application to FePt.

Influence of localized surface plasmons on Pauli blocking and optical limiting in graphene under femtosecond pumping (2014)
Journal Article
Bongu, S. R., Bisht, P. B., Namboodiri, R. C. K., Nayak, P., Ramaprabhu, S., Kelly, T. J., Fallon, C., & Costello, J. T. (2014). Influence of localized surface plasmons on Pauli blocking and optical limiting in graphene under femtosecond pumping. Journal of applied physics, 116(7), 073101. https://doi.org/10.1063/1.4893547

The Pauli blocking limit and optical limiting threshold have been found to be modified following silver-nanoparticle decoration of functionalized hydrogen induced exfoliated graphene. Femtosecond Z-scan experiments have been used to measure the Pauli... Read More about Influence of localized surface plasmons on Pauli blocking and optical limiting in graphene under femtosecond pumping.

Chemical gradients in the Milky Way from the RAVE data: II. Giant stars (2014)
Journal Article
Boeche, C., Siebert, A., Piffl, T., Just, A., Steinmetz, M., Grebel, E. K., Sharma, S., Kordopatis, G., Gilmore, G., Chiappini, C., Freeman, K., Gibson, B. K., Munari, U., Siviero, A., Bienaymé, O., Navarro, J. F., Parker, Q. A., Reid, W., Seabroke, G. M., Watson, F. G., …Zwitter, T. (2014). Chemical gradients in the Milky Way from the RAVE data: II. Giant stars. Astronomy and Astrophysics, 568, Article A71. https://doi.org/10.1051/0004-6361/201423974

Aims. We provide new constraints on the chemo-dynamical models of the Milky Way by measuring the radial and vertical chemical gradients for the elements Mg, Al, Si, Ti, and Fe in the Galactic disc and the gradient variations as a function of the dist... Read More about Chemical gradients in the Milky Way from the RAVE data: II. Giant stars.

Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm (2014)
Journal Article
Kos, J., Zwitter, T., Wyse, R., Bienayme, O., Binney, J., Bland-Hawthorn, J., Freeman, K., Gibson, B. K., Gilmore, G., Grebel, E. K., Helmi, A., Kordopatis, G., Munari, U., Navarro, J., Parker, Q., Reid, W. A., Seabroke, G., Sharma, S., Siebert, A., Siviero, A., …Zwitter, T. (2014). Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm. Science, 345(6198), 791-795. https://doi.org/10.1126/science.1253171

The diffuse interstellar bands (DIBs) are absorption lines observed in visual and near-infrared spectra of stars. Understanding their origin in the interstellar medium is one of the oldest problems in astronomical spectroscopy, as DIBs have been know... Read More about Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm.

The rarity of star formation in brightest cluster galaxies as measured by WISE (2014)
Journal Article
Fraser-McKelvie, A., Brown, M. J. I., & Pimbblet, K. A. (2014). The rarity of star formation in brightest cluster galaxies as measured by WISE. Monthly notices of the Royal Astronomical Society. Letters, 444(1), L63-L67. https://doi.org/10.1093/mnrasl/slu117

We present the mid-infrared star formation rates of 245 X-ray selected, nearby (z < 0.1) brightest cluster galaxies (BCGs). A homogeneous and volume limited sample of BCGs was created by X-ray selecting clusters with Lx > 1 × 1044 erg s⁻ ¹. The Wide-... Read More about The rarity of star formation in brightest cluster galaxies as measured by WISE.

MaGICC baryon cycle: The enrichment history of simulated disc galaxies (2014)
Journal Article
Brook, C. B., Stinson, G., Gibson, B. K., Shen, S., Macciò, A. V., Obreja, A., Wadsley, J., & Quinn, T. (2014). MaGICC baryon cycle: The enrichment history of simulated disc galaxies. Monthly notices of the Royal Astronomical Society, 443(4), 3809-3818. https://doi.org/10.1093/mnras/stu1406

Using cosmological galaxy formation simulations from the MaGICC (Making Galaxies in a Cosmological Context) project, spanning stellar mass from ∼107 to 3 × 1010 M⊙, we trace the baryonic cycle of infalling gas from the virial radius through to its ev... Read More about MaGICC baryon cycle: The enrichment history of simulated disc galaxies.

Dwarf galaxies in the Perseus Cluster: further evidence for a disc origin for dwarf ellipticals (2014)
Journal Article
Penny, S. J., Forbes, D. A., Pimbblet, K. A., & Floyd, D. J. E. (2014). Dwarf galaxies in the Perseus Cluster: further evidence for a disc origin for dwarf ellipticals. Monthly notices of the Royal Astronomical Society, 443(4), 3381-3387. https://doi.org/10.1093/mnras/stu1397

We present the results of a Keck-ESI (Echellette Spectrograph and Imager) spectroscopic study of six dwarf elliptical (dE) galaxies in the Perseus Cluster core, and confirm two dwarfs as cluster members for the first time. All six dEs follow the size... Read More about Dwarf galaxies in the Perseus Cluster: further evidence for a disc origin for dwarf ellipticals.

Stellar origin of the ¹⁸²Hf cosmochronometer and the presolar history of solar system matter (2014)
Journal Article
Lugaro, M., Heger, A., Osrin, D., Goriely, S., Zuber, K., Karakas, A. I., Gibson, B. K., Doherty, C. L., Lattanzio, J. C., & Ott, U. (2014). Stellar origin of the ¹⁸²Hf cosmochronometer and the presolar history of solar system matter. Science, 345(6197), 650-653. https://doi.org/10.1126/science.1253338

Among the short-lived radioactive nuclei inferred to be present in the early solar system via meteoritic analyses, there are several heavier than iron whose stellar origin has been poorly understood. In particular, the abundances inferred for ¹⁸²Hf (... Read More about Stellar origin of the ¹⁸²Hf cosmochronometer and the presolar history of solar system matter.

Novel Ylidic Phosphoryl compounds from Halogenated Furan-2,5-Diones with Trivalent Phosphorus Esters: Application of this approach to new Trisphosphonates containing a Geminal Bisphosphonate Unit (2014)
Journal Article
Vaughan Griffiths, D., Benoit, D. M., Cheong, Y. K., Duncanson, P., & Han, X. (2014). Novel Ylidic Phosphoryl compounds from Halogenated Furan-2,5-Diones with Trivalent Phosphorus Esters: Application of this approach to new Trisphosphonates containing a Geminal Bisphosphonate Unit. Phosphorus, sulfur, and silicon and the related elements, 189(7-8), 1013-1027. https://doi.org/10.1080/10426507.2014.905570

The reactions of trivalent phosphorus esters, including trialkyl phosphites, dialkyl phosphonites, and alkyl phosphinites, with 3-halo- and 3,4-dihalo-furan-2,5-diones has been shown to lead to the formation of novel phosphorus ylides possessing addi... Read More about Novel Ylidic Phosphoryl compounds from Halogenated Furan-2,5-Diones with Trivalent Phosphorus Esters: Application of this approach to new Trisphosphonates containing a Geminal Bisphosphonate Unit.

Temporal quantum correlations and Leggett-Garg inequalities in multilevel systems (2014)
Journal Article
Budroni, C., & Emary, C. (2014). Temporal quantum correlations and Leggett-Garg inequalities in multilevel systems. Physical review letters, 113(5), Article 050401. https://doi.org/10.1103/PhysRevLett.113.050401

We show that the quantum bound for temporal correlations in a Leggett-Garg test, analogous to the Tsirelson bound for spatial correlations in a Bell test, strongly depends on the number of levels N that can be accessed by the measurement apparatus vi... Read More about Temporal quantum correlations and Leggett-Garg inequalities in multilevel systems.

Star formation in shocked cluster spirals and their tails (2014)
Journal Article
Roediger, E., Brüggen, M., Owers, M. S., Ebeling, H., & Sun, M. (2014). Star formation in shocked cluster spirals and their tails. Monthly notices of the Royal Astronomical Society. Letters, 443(1), L114-L118. https://doi.org/10.1093/mnrasl/slu087

Recent observations of ram pressure stripped spiral galaxies in clusters revealed details of the stripping process, i.e., the truncation of all interstellar medium (ISM) phases and of star formation (SF) in the disk, and multiphase star-forming tails... Read More about Star formation in shocked cluster spirals and their tails.

The magnetoelectrochemical switch (2014)
Journal Article
Lunca Popa, P., Kemp, N. T., Majjad, H., Dalmas, G., Faramarzi, V., Andreas, C., Hertel, R., & Doudin, B. (2014). The magnetoelectrochemical switch. Proceedings of the National Academy of Sciences of the United States of America, 111(29), 10433-10437. https://doi.org/10.1073/pnas.1322828111

In the field of spintronics, the archetype solid-state two-terminal device is the spin valve, where the resistance is controlled by the magnetization configuration. We show here how this concept of spin-dependent switch can be extended to magnetic el... Read More about The magnetoelectrochemical switch.

Measurement of the MACS of 159Tb(n, γ) at kT=30 keV by Activation (2014)
Journal Article
Praena, J., Mastinu, P., Pignatari, M., Quesada, J., Capote, R., & Morilla, Y. (2014). Measurement of the MACS of 159Tb(n, γ) at kT=30 keV by Activation. Nuclear data sheets, 120, 205-207. https://doi.org/10.1016/j.nds.2014.07.047

The measurement of the Maxwellian-Averaged Cross-Section (MACS) of the 159 Tb(n, γ) reaction at kT=30 keV by the activation technique is presented. An innovative method for the generation of Maxwellian neutron spectra at kT=30 keV is used. An experim... Read More about Measurement of the MACS of 159Tb(n, γ) at kT=30 keV by Activation.

Neutron Capture Reactions on Fe and Ni Isotopes for the Astrophysical s-process (2014)
Journal Article
Lederer, C., Giubrone, G., Massimi, C., Žugec, P., Barbagallo, M., Colonna, N., Domingo-Pardo, C., Guerrero, C., Gunsing, F., Käppeler, F., Tain, J., Altstadt, S., Andrzejewski, J., Audouin, L., Bécares, V., Bečvář, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., …Schumann, D. (2014). Neutron Capture Reactions on Fe and Ni Isotopes for the Astrophysical s-process. Nuclear data sheets, 120, 201-204. https://doi.org/10.1016/j.nds.2014.07.046

Neutron capture cross sections in the keV neutron energy region are the key nuclear physics input to study the astrophysical slow neutron capture process. In the past years, a series of neutron capture cross section measurements has been performed at... Read More about Neutron Capture Reactions on Fe and Ni Isotopes for the Astrophysical s-process.

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.