Browsing by Title Artículos de revistas

Now showing items 5025-5044 of 7543

    • Photoluminescence from c-axis oriented ZnO films synthesized by sol-gel with diethanolamine as chelating agent 
      Marín, Óscar; Tirado, Mónica; Budini, Nicolás; Mosquera, Edgar; Figueroa, Carlos; Comedi, David (Elsevier, 2016)
      ZnO films were synthesized on SiO2/Si substrates through the sol-gel technique using diethanolamine as chelating agent and annealed in Ar + O-2 atmospheres with different O-2 flow-rates in the 10-100 sccm range. Samples ...
    • Photoluminescence in silicon/silicon oxide films produced by the Pulsed Electron Beam Ablation technique 
      Araya, M.; Díaz Droguett, Donovan Enrique; Ribeiro, M.; Albertin, K. F.; Avila, J.; Fuenzalida, V. M.; Espinoza, R.; Criado, D. (Elsevier, 2012)
      In this work we report studies of the photoluminescence emission in samples based on Si/SiOx films deposited by the Pulsed Electron Beam Ablation (PEBA) technique. The samples were prepared at room temperature using ...
    • Photometric and Spectroscopic Properties of Type Ia Supernova 2018oh with Early Excess Emission from the ... 
      Li, W.; Wang, X.; Vinkó, J.; Mo, J.; Hosseinzadeh, G.; Sand, D. J.; Zhang, J.; Lin, H.; Zhang, T.; Wang, L.; Zhang, J.; Chen, Z.; Xiang, D.; Rui, L.; Huang, F.; Li, X.; Zhang, X.; Li, L.; Baron, E.; Derkacy, J. M.; Zhao, X.; Sai, H.; Zhang, K.; Wang, L.; Howell, D. A.; McCully, C.; Arcavi, I.; Valenti, S.; Hiramatsu, D.; Burke, J.; Rest, A.; Garnavich, P.; Tucker, B. E.; Narayan, G.; Shaya, E.; Margheim, S.; Zenteno, A.; Villar, A.; Dimitriadis, G.; Foley, R. J.; Pan, Y.-C.; Coulter, D. A.; Fox, O. D.; Jha, S. W.; Jones, D. O.; Kasen, N. D.; Kilpatrick, C. D.; Piro, A. L.; Riess, A. G.; Rojas Bravo, C.; Shappee, B. J.; Holoien, T. W.-S.; Stanek, K. Z.; Drout, M. R.; Auchettl, K.; Kochanek, C. S.; Brown, J. S.; Bose, S.; Bersier, D.; Brimacombe, J.; Chen, P.; Dong, S.; Holmbo, S.; Muñoz, J. A.; Mutel, R. L.; Post, R. S.; Prieto, J. L.; Shields, J.; Tallon, D.; Thompson, T. A.; Vallely, P. J.; Villanueva, S.; Smartt, S. J.; Smith, K. W.; Chambers, K. C.; Flewelling, H. A.; Huber, M. E.; Magnier, E. A.; Waters, C. Z.; Schultz, A. S. B.; Bulger, J.; Lowe, T. B.; Willman, M.; Sárneczky, K.; Pál, A.; Wheeler, J. C.; Bódi, A.; Bognár, Zs.; Csák, B.; Cseh, B.; Csörnyei, G.; Hanyecz, O.; Ignácz, B.; Kalup, Cs.; Könyves-Tóth, R.; Kriskovics, L.; Ordasi, A.; Rajmon, I.; Sódor, A.; Szabó, R.; Szakáts, R.; Zsidi, G.; Milne, P.; Andrews, J. E.; Smith, N.; Bilinski, C.; Brown, P. J.; Nordin, J.; Williams, S. C.; Galbany, Lluis; Palmerio, J.; Hook, I. M.; Inserra, C.; Maguire, K.; Cartier, Régis; Razza, A.; Gutiérrez, C. P.; Hermes, J. J.; Reding, J. S.; Kaiser, B. C.; Tonry, J. L.; Heinze, A. N.; Denneau, L.; Weiland, H.; Stalder, B.; Barentsen, G.; Dotson, J.; Barclay, T.; Gully-Santiago, M.; Hedges, C.; Cody, A. M.; Howell, S.; Coughlin, J.; Van Cleve, J. E.; Vinícius de Miranda Cardoso, J.; Larson, K. A.; McCalmont-Everton, K. M.; Peterson, C. A.; Ross, S. E.; Reedy, L. H.; Osborne, D.; McGinn, C.; Kohnert, L.; Migliorini, L.; Spencer, B.; Labonde, C.; Castillo, G.; Beerman, G.; Steward, K.; Hanley, M.; Larsen, R.; Gangopadhyay, R.; Kloetzel, R.; Weschler, T.; Nystrom, V.; Moffatt, J.; Redick, M.; Griest, K.; Packard, M.; Muszynski, M.; Kampmeier, J.; Bjella, R.; Flynn, S.; Elsaesser, B. (IOP Publishing, 2019)
      Supernova (SN) 2018oh (ASASSN-18bt) is the first spectroscopically confirmed Type Ia supernova (SN Ia) observed in the Kepler field. The Kepler data revealed an excess emission in its early light curve, allowing us to place ...
    • Photometric classification of quasars from RCS-2 using Random Forest 
      Carrasco, D.; Barrientos, L.; Pichara, K.; Anguita, T.; Murphy, D.; Gilbank, D.; Gladders, M.; Yee, H.; Hsieh, B.; López Morales, Sebastián (EDP Sciences, 2015)
      The classification and identification of quasars is fundamental to many astronomical research areas. Given the large volume of photometric survey data available in the near future, automated methods for doing so are ...
    • Photometric parallaxes of Southern high proper motion stars. I. 
      Costa Hechenleitner, Edgardo; Méndez Bussard, René Alejandro (2003)
      Photometric distances derived from VRI photometry are given for 44 high proper motion stars from the Cerro El Roble proper motion surveys of Wroblewski & Torres and Wroblewski & Costa. The observations were carried out ...
    • PHOTOMETRY AND SPECTROSCOPY OF GRB 030329 AND ITS ASSOCIATED SUPERNOVA 2003dh: THE FIRST TWO MONTHS 
      Matheson, Thomas; Garnavich, P. M.; Stanek, k. z.; Bersier, D.; Holland, S. T.; Krisciunas, K.; Caldwell, N.; Berlind, P.; Bloom, J. S.; Bolte, M.; Bonanos, A. Z.; Brown, M. J. I.; Brown, W. R.; Calkins, M. L.; Challis, P.; Chornock, R.; Echevarria, L.; Eisenstein, D. J.; Everett, M. E.; Filippenko, A. V.; Flint, K.; Foley, R. J.; Freedman, D. .L.; Hamuy Wackenhut, Mario; Harding, P.; Hathi, N. P.; Hicken, M.; Hoopes, C.; Impey, C.; Jannuzi, B. T.; Jansen, R. A.; Jha, S.; Kaluzny, J.; Kannappan, S.; Kirshner, R. P.; Latham, D. W.; Lee, J. C.; Leonard, D. .C.; Li, W.; Luhman, K. L.; Martini, P.; Mathis, H.; Maza Sancho, José; Megeath, S. T.; Miller, L. R.; Minniti, D.; Olszewski, E. W.; Papenkova, M.; Phillips, M. M.; Pindor, B.; Sasselov, D. D.; Schild, R.; Schweiker, H.; Spahr, T.; Thomas-Osip, J.; Thompson, I.; Weisz, D.; Windhorst, R.; Zaritsky, D. (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY,, 2003-12-10)
      We present extensive optical and infrared photometry of the afterglow of gamma-ray burst (GRB) 030329 and its associated supernova (SN) 2003dh over the first two months after detection (2003March 30–May 29 UT). Optical ...
    • Photometry of seven overlooked open clusters in the first and fourth Galactic quadrants 
      Carraro, Giovanni; Janes, Kenneth A.; Costa Hechenleitner, Edgardo; Méndez Bussard, René Alejandro (BLACKWELL, 2006-05-21)
      CCD BVI photometry is presented for seven previously unstudied star clusters projected towards the inner side of the Galaxy: Trumpler 23, Lynga 3, Collinder 307, Ruprecht 134, ESO552SC16, AL 5 and Kronberger 3. Colour-magnitude ...
    • Photometry of the five marginally studied open clusters Collinder 74, Berkeley 27, Haffner 8, NGC 2509, and ... 
      Carraro, Giovanni; Costa Hechenleitner, Edgardo (2007)
      Context. The stellar populations in the outer Galactic disk are a subject of wide interest nowadays. To contribute to a better picture of this part of the Galaxy, we have studied the nature of five marginally investigated ...
    • Photon dominated regions in NGC 3603 [CI] and mid-J CO line emission 
      Röllig, M.; Kramer, C.; Rajbahak, C.; Minamidani, T.; Sun, K.; Simon, R.; Ossenkopf, V.; Cubick, M.; Hitschfeld, M.; Aravena, M.; Bensch, F.; Bertoldi, F.; Bronfman Aguiló, Leonardo; Fujishita, M.; Fukui, Y.; Graf, U. U.; Honingh, N.; Ito, S.; Jakob, H.; Jacobs, K.; Klein, U.; Koo, B.-C.; May Humeres, Jorge; Miller, M.; Miyamoto, Y.; Mizuno, N.; Onishi, T.; Park, Y.-S.; Pineda, J.; Rabanus, D.; Sasago, H.; Schieder, R.; Stutzki, J.; Yamamoto, H.; Yonekura, Y. (2011-01)
      Aims. We aim at deriving the excitation conditions of the interstellar gas as well as the local FUV intensities in the molecular cloud surrounding NGC 3603 to get a coherent picture of how the gas is energized by the central ...
    • Photonic computing with single and coupled spiking micropillar lasers 
      Pammi, VA; Alfaro-Bittner, K; Clerc, MG; Barbay, S (Institute of Electrical and Electronics Engineers Inc., 2020)
    • Photonic crystal based all-optical half adder: a brief analysis 
      Sivaranjani, R.; Shanmuga Sundar, D.; Sridarshini, T.; Sitharthan, R.; Karthikeyan, M.; Sivanantha Raja, A.; Flores Carrasco, Marcos (IOP Publishing, 2020)
      A photonic crystal (PhC) based optical component paves a path to the upcoming all-optical computer processors. All the components can be realized with the help of PhCs. In particular, optical gates have played a major part ...
    • Photonic flat band dynamics 
      Vicencio Poblete, Rodrigo (Taylor & Francis, 2021)
      During the last decades, researchers of different scientific areas have investigated several systems and materials to suggest new ways of transporting and localizing light. These problems are probably main goals in any ...
    • PHOTOSPHERIC MAGNITUDE DIAGRAMS FOR TYPE II SUPERNOVAE: A PROMISING TOOL TO COMPUTE DISTANCES 
      Rodríguez, Ósmar; Clocchiatti, Alejandro; Hamuy Wackenhut, Mario (The American Astronomical Society, 2014)
      We develop an empirical color-based standardization for Type II supernovae (SNe II), equivalent to the classical surface brightness method given in Wesselink. We calibrate this standardization using SNe II with host galaxy ...
    • Photosynthesis of H-2 and its storage on the Bandgap Engineered Mesoporous (Ni2+/Ni3+)O @ TiO2 heterostructure 
      Raju, Kumar; Rajendran, Saravanan; Hoang, Tuan K.A.; Durgalakshmi, D.; Qin, Jiaqian; Díaz Droguett, D. E.; Gracia Caroca, Francisco; Gracia Pinilla, M. A. (Elsevier, 2020)
      A noble-metal free and surface defect-induced mesoporous mixed valent NiO decorated TiO2 heterostructure with tuned bandgap has been successfully prepared. Its outstanding visible-light driven hydrogen evolution and its ...
    • Phylogeny, biogeography, and rates of diversification of New World Astragalus (Leguminosae) with an emphasis ... 
      Scherson, Rosa A.; Vidal, Rodrigo; Sanderson, Michael J. (BOTANICAL SOC AMER INC, 2008-08)
      This study uses phylogenetic relationships of New World representatives of the species-rich genus Astragalus (Leguminosae; Papilionoideae) to follow up on recent evidence pointing to rapid and recent plant diversifi cation ...
    • Physical and numerical modelling of the thermally induced wedging mechanism 
      Pasten, C.; García, M.; Cortés, D. D. (ICE Publishing, 2015)
      Field observations and laboratory experiments show that temperature cycles can lead to wedging and accumulation of permanent displacements in several geosystems. The magnitude of these displacements depends on the geometric ...
    • PHYSICAL CHARACTERISTICS OF G331.5-0.1: THE LUMINOUS CENTRAL REGION OF A GIANT MOLECULAR CLOUD 
      Merello, Manuel; Bronfman Aguiló, Leonardo; Garay Brignardello, Guido; Nyman, Lars Ake; Evans II, Neal J.; Walmsley, C. Malcolm (The American Astronomical Society, 2013-09-01)
      We report molecular line and dust continuum observations toward the high-mass star-forming region G331.5-0.1, one of the most luminous regions of massive star formation in the Milky Way, located at the tangent region ...
    • Physical characterization of fault rocks within the Opalinus Clay formation 
      Orellana Espinoza, Luis Felipe; Nussbaum, Christophe; Grafulha, Luiz; Henry, Pierre; Violay, Marie (Nature, 2022)
      Near-surface disposal of radioactive waste in shales is a promising option to safeguard the population and environment. However, natural faults intersecting these geological formations can potentially affect the long-term ...
    • Physical characterization of S169: a prototypical IR bubble associated with the massive star-forming region ... 
      Duronea, NU; Cichowolski, S; Bronfman, L; Mendoza, E; Finger, R; Suad, LA; Corti, M; Reynoso, EM (EDP Sciences, 2021)
    • The physical nature of Ly alpha-emitting galaxies at z=3.1 
      Gawiser, Eric; van Dokkum, Pieter; Gronwall, Caryl; Ciardullo, Robin; Blanc Mendiberri, Guillermo; Castander, Francisco; Feldmeier, John; Francke Henriquez, Harold; Franx, Marijn; Haberzettl, Lutz; Herrera, David; Hickey, Thomas; Infante, Leopoldo; Lira Teillery, Paulina; Maza Sancho, José; Quadri, Ryan; Richardson, Alexander; Schawinski, Kevin; Schirmer, Mischa; Taylor, Edward N.; Treister, Ezequiel; Urry, C. Megan; Virani, Shanil N. (UNIV CHICAGO PRESS, 2006-05-01)
      We selected 40 candidate Ly alpha-emitting galaxies ( LAEs) at z similar or equal to 3.1 with observed-frame equivalent widths greater than 150 and inferred emission-line fluxes above 2.5 x 10(-17) ergs cm(-2) s(-1) from ...