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1,881 Matching Results
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Electric Field Enhanced Photoluminescence of CdTe Quantum Dots Encapsulated in Poly (N-Isopropylacrylamide) Nano-Spheres
This article shows an electric field dependent collapse of the poly(N-isopropylacramide) nanospheres and employs the electric field dependence as a means to adjust the photoluminescence process of the quantum dots in a hybrid material.
Date:
November 10, 2008
Creator:
Garner, Brett W.; Cai, Tong; Hu, Zhibing & Neogi, Arup
System:
The UNT Digital Library
Nanoimprinted plasmonic nanocavity arrays
This article demonstrates high resonant absorption of visible light with a plasmonic nanocavity chain structure fabricated through resistless nanoimprinting in metal (RNIM).
Date:
June 17, 2013
Creator:
Kim, Sangsik; Xuan, Yi; Drachev, Vladimir P.; Varghese, Leo T.; Li, Fan; Qi, Minghao et al.
System:
The UNT Digital Library
Holographically Formed Three-Dimensional Penrose-Type Photonic Quasicrystal Through a Lab-Made Single Diffractive Optical Element
This describes the use of a holographic lithography method to fabricate large-area three-dimensional Penrose-type photonic quasicrystals.
Date:
September 10, 2010
Creator:
Harb, Ahmad; Torres, Faraon; Ohlinger, Kris; Lin, Yuankun; Lozano, Karen; Xu, Di et al.
System:
The UNT Digital Library
Reflectionless Boundary Propagation Formulas for Partial Wave Solutions to the Wave Equation
This article considers solutions to the wave equation in 3+1 spacetime dimensions whose data is compactly supported at some initial time.
Date:
November 28, 1995
Creator:
Navarro, Jaime & Warchall, Henry A.
System:
The UNT Digital Library
Spreading of Charged Micro-Droplets
This article studies the spreading of a charged microdroplet using the lubrication approximation.
Date:
September 16, 2013
Creator:
Iaia, Joseph A.
System:
The UNT Digital Library
Existence of Solutions for Semilinear Problems With Prescribed Number of Zeros on Exterior Domains
This article proves the existence of an infinite number of radial solutions of Δ(u) + f(u) = 0 with prescribed number of zeros on the exterior of the ball of radius R > 0 centered at the origin in ℝᴺ where f is odd with f < 0 on (0, β), f > 0 on (β,∞) where β > 0.
Date:
May 3, 2016
Creator:
Joshi, Janak & Iaia, Joseph A.
System:
The UNT Digital Library
The Spreading of Charged Micro-Droplets
This article considers the analysis of the Betelu-Fontelos model of the spreading of a charged microdroplet on a at dielectric surface whose spreading is driven by surface tension and electrostatic repulsion.
Date:
January 20, 2015
Creator:
Iaia, Joseph A.
System:
The UNT Digital Library
Existence and Nonexistence of Solutions for Semilinear Equations on Exterior Domains
This article studies radial solutions of Δu + K(r)ƒ(u) = 0 on the exterior of the ball of radius R > 0 centered at the origin in ℝᴺ where ƒ is odd with ƒ < 0 on (0,ß), ƒ > 0 on (β, δ), ƒ ≡ 0 for u > δ, and where the function K(r) is assumed to be positive and K(r) → 0 as r → ∞.
Date:
August 22, 2016
Creator:
Iaia, Joseph A.
System:
The UNT Digital Library
Energy transfer in ZnO-anthracene hybrid structure
This article investigates the origin of the modification of the emission properties of the hybrid structure using temperature dependent and time-dependent photoluminescence spectroscopy.
Date:
April 4, 2012
Creator:
Shimada, Ryoko; Urban, Ben E.; Sharma, Mamta; Singh, Akhilesh; Avrutin, Vitaliy; Morkoç, Hadis et al.
System:
The UNT Digital Library
Patrones Estacionales Y Espaciales De La Diversidad De Moluscos Intermareales De Bahía RóBalo, Canal Beagle, Reserva De La Biosfera Cabo De Hornos, Chile
This article characterizes molluscs assemblages in Róbalo bay, identifying spatial-temporal changes in assemblage composition, species richness, abundance, functional groups, and diversity of molluscs species.
Date:
August 28, 2014
Creator:
Ojeda, Jaime; Rosenfeld, Sebastián; Marambio, Johanna; Rozzi, Ricardo, 1960- & Mansilla, Andrés O.
System:
The UNT Digital Library
Diferencias morfométricas de dos especies del género Eatoniella en Isla Navarino, Reserva de Biosfera Cabo de Hornos, Chile
This article describes the external morphometrics of shell and radula morphology as performed in two species of micromollusks of the genus Eatoniella in Navarino Island, Chile.
Date:
December 29, 2016
Creator:
Rosenfeld, Sebastián; Aldea, Cristian; Ojeda, Jaime; Mansilla, Andrés O. & Rozzi, Ricardo, 1960-
System:
The UNT Digital Library
Scattering Suppression in Epsilon-Near-Zero Plasmonic Fractal Shells
This article studies silica-gold core-shell microspheres with plasmonic fractal shells to show that the forward scattering of the silica microspheres is strongly suppressed.
Date:
October 12, 2015
Creator:
de Silva, Vashista C.; Nyga, Piotr & Drachev, Vladimir P.
System:
The UNT Digital Library
Origin of Room Temperature Broadband Light Emission and Carrier Dynamics in Ag Ion-Implanted Silicon Nanocrystals
This article studies the origin of broad band light emission in the ultraviolet to the red from silicon nanoparticles fabricated using a single low energy silver ion implantation.
Date:
April 2, 2012
Creator:
Singh, Akhilesh; Grycznski, Karol G. & Neogi, Arup
System:
The UNT Digital Library
Estimating FPAR of Maize Canopy Using Airborne Discrete-Return LiDAR Data
This article tests a method to estimate the fraction of absorbed photosynthetically active radiation (FPAR) of maize from airborne discrete-return LiDAR data.
Date:
February 26, 2014
Creator:
Luo, Shezhou; Wang, Cheng; Xi, Xiaohuan & Pan, Feifei
System:
The UNT Digital Library
Engineering Metal Oxide Nanostructures for the Fiber Optic Sensor Platform
This article presents an effective integration scheme of nanostructured SnO₂ with the fiber optic platform for chemical sensing applications based on evanescent optical interactions.
Date:
January 30, 2014
Creator:
Poole, Zsolt; Ohodnicki, Paul; Chen, Rongzhang; Lin, Yuankun & Chen, Kevin P.
System:
The UNT Digital Library
Nuevo registro de Sphagnum falcatulum Besch (Sphagnaceae) en Isla Navarino, Reserva de la Biósfera Cabo de Hornos
This article characterizes habitats of Navarino Island to quantify the coverage of three main types of terrestrial environments.
Date:
May 9, 2016
Creator:
Mackenzie, Roy; Lewis, Lily R. & Rozzi, Ricardo, 1960-
System:
The UNT Digital Library
Tamaño De Puesta, Sitios De Nidificación Y éxito Reproductivo Del Caiquén (Chloephaga Picta Gmelin, 1789) en La Reserva De Biosfera Cabo De Hornos, Chile
This article studies the breeding biology of the Upland Goose (Chloephaga picta) in terms of clutch size, nesting sites, and breeding success as a function of habitat variables on Navarino Island, Cape Horn Biosphere Reserve, Chile.
Date:
September 30, 2009
Creator:
Ibarra, J. Tomás; Schüttler, Elke; McGehee, Steven M. & Rozzi, Ricardo, 1960-
System:
The UNT Digital Library
Cambio Climático Global en El Contexto De La Ecorregión Subantártica De Magallanes Y La Reserva De Biósfera Cabo De Hornos
This article presents the main attributes of Magellanic sub-Antarctic ecoregion, and of the Sub-Antarctic Biocultural Conservation Program coordinated by UMAG, the Institute of Ecology and Biodiversity and the University of North Texas, which integrates ecological and ethical dimensions in the analyses of socioecological processes at local, regional, national, and international scales.
Date:
May 15, 2012
Creator:
Mansilla, Andrés O.; Ojeda, Jaime & Rozzi, Ricardo, 1960-
System:
The UNT Digital Library
Identifying Native and Exotic Predators of Ground-Nesting Songbirds in Subantarctic Forests in Southern Chile
This article describes an artificial nest experiment to assess the impact of predators on daily survival rates of artificial bird nests in three different habitat types.
Date:
April 28, 2011
Creator:
Maley, Brett M.; Anderson, Christopher B.; Stodola, Kirk & Rosemond, Amy D.
System:
The UNT Digital Library
Expansión de la invasión del Visón Norteamericano (Neovison vison) en la Reserva de la Biosfera de Cabo de Hornos, Chile
This article reports the continued expansion of the American mink to new sites in the Cape Horn Biosphere Reserve.
Date:
April 17, 2015
Creator:
Crego, Ramiro D.; Jiménez, Jaime E. & Rozzi, Ricardo, 1960-
System:
The UNT Digital Library
Plant communities as bioclimate indicators on Isla Navarino, one of the southernmost forested areas of the world
This article focuses on Isla Navarino (Chile) to understand changes in plant community composition and plant diversity and their relation to climatic factors along an altitudinal gradient.
Date:
September 29, 2016
Creator:
Molina, José Antonio; Lumbreras, Ana; Benavent-González, Albert; Rozzi, Ricardo, 1960- & Sancho, Leopoldo G.
System:
The UNT Digital Library
Flora Vascular Y Musgos en La Zona Altoandina De La Isla Navarino (55ºS), Reserva De La Biosfera Cabo De Hornos, Chile
This article identifies vascular plants and mosses in Cerro Bandera, Puerto Williams Chile.
Date:
September 9, 2013
Creator:
Méndez, Manuela; Rozzi, Ricardo, 1960- & Cavieres, Lohengrin A.
System:
The UNT Digital Library
Primer registro de Vespula vulgaris (Linnaeus 1758) (Hymenoptera: Vespidae) en la isla Navarino, Chile
This article documents the presence of the common wasp V. vulgaris on Navarino Island, Cape Horn Biosphere Reserve, Southern Chile.
Date:
March 15, 2016
Creator:
Cárcamo, Jaime; Contador, Tamara; Crego, Ramiro D.; Jordán, Natalia I.; Schüttler, Elke; Gañán, Melisa et al.
System:
The UNT Digital Library
Estudios socio-ecológicos de largo plazo en los sitios fundadores de la red LTSER-Chile: desafíos y oportunidades para el futuro
This article presents an analysis of the research programs carried out in the three foundational sites of the Chilean Long-Term Socio-Ecological Research Network (LTSER-Chile) and presents the context in which these lines have been established.
Date:
October 14, 2014
Creator:
Gaxiola, Aurora; Celis-Diez, Juan L.; Rozzi, Ricardo, 1960- & Gutiérrez, Julio R., 1953-
System:
The UNT Digital Library