UNT College of Arts and Sciences - 404 Matching Results

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On the period of VY Ursae Majoris

This article contains visual observation data of the carbon star VY Ursae Majoris.

Date: May 25, 1994

Creator: Ofek, Efran; Shemmer, Ohad & Gabzo, Ofer

Item Type: Article

open access

Ionised outflows in z ~ 2.4 quasar host galaxies

This article presents a kinematical analysis of the [OIII]λ5007 emission line observed in six high-luminosity quasars at z ~ 2.4.

Date: August 1, 2015

Creator: Carniani, Stefano; Marconi, Alessandro; Maiolino, Roberto; Balmaverde, Barbara; Brusa, Marcella; Cano-Díaz, Mariana et al.

Item Type: Article

open access

Electrical properties of SnSe under high-pressure

This article investigates the pressure-induced phase transitions in SnSe using the first-principles density functional calculations.

Date: November 3, 2016

Creator: Ghosh, Angsula; Gusmão, M. S.; Chaudhuri, Puspitapallab; de Souza, S. Michielon; Mota, Cicero; Trichês, D. M. et al.

Item Type: Article

open access

Efficient multiband and broadband cross polarization converters based on slotted Lshaped nanoantennas

This article presents highly efficient reflective cross polarization converters based on metamaterials operating in the infrared regime.

Date: November 14, 2014

Creator: Ding, Jun; Arigong, Bayaner; Ren, Han; Zhou, Mi; Shao, Jin; Lin, Yuankun et al.

Item Type: Article

open access

Direct Measurement of Group Delay Dispersion in Metamagnetics for Ultrafast Pulse Shaping

This article explores the use of magnetic resonant metamaterials, so called metamagnetics, as dispersive elements for optical pulse shaping.

Date: September 24, 2012

Creator: Brown, Dean P.; Walker, Mark A.; Urbas, Augustine M.; Kildishev, Alexander V.; Xiao, Shumin & Drachev, Vladimir P.

Item Type: Article

open access

Optimization of nonlinear optical properties of ZnO micro and nanocrystals for biophotonics

This article investigates the defects in ZnO created during its synthesis and its affect on the second and third-order nonlinear processes.

Date: July 21, 2011

Creator: Urban, Ben E.; Lin, Jie; Kumar, Os; Senthilkumar, Kasilingam; Fujita, Yasuhisa & Neogi, Arup

Item Type: Article

open access

Holographic fabrication of 3D photonic crystals through interference of multi-beams with 4 + 1, 5 + 1 and 6 + 1 configurations

This article fabricates 3D photonic crystals or quasi-crystals through single beam and single optical element based holographic lithography.

Date: September 9, 2014

Creator: George, David; Lutkenhaus, Jeffrey; Lowell, David; Moazzezi, Mojtaba; Adewole, Murthada; Philipose, Usha et al.

Item Type: Article

open access

Hyperbolic metamaterials: new physics behind a classical problem

This article summarizes earlier theories in the Clemmow's prescription for transformation of the electromagnetic field in hyperbolic media and provides a review of recent developments in this active research area.

Date: June 17, 2013

Creator: Drachev, Vladimir P.; Podolskiy, Viktor A. & Kildishev, Alexander V.

Item Type: Article

open access

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

Item Type: Article

open access

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.

Item Type: Article

open access

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.

Item Type: Article

open access

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.

Item Type: Article

open access

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.

Item Type: Article

open access

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

Item Type: Article

open access

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.

Item Type: Article

open access

The Mammary Gland Carcinogens: The Role of Metal Compounds and Organic Solvents

This article reviews the role of metal compounds and organic solvents in breast cancer development.

Date: April 24, 2013

Creator: Mulware, Stephen Juma

Item Type: Article

open access

Comparative Trace Elemental Analysis in Cancerous and Noncancerous Human Tissues Using PIXE

This article reviews comparative trace elemental concentrations of cancerous and noncancerous tissues using PIXE.

Date: May 16, 2013

Creator: Mulware, Stephen Juma

Item Type: Article

open access

Ion Beam Materials Analysis and Modifications At keV to MeV Energies at the University of North Texas

This paper provides an overview of the Ion Beam Modification and Analysis Laboratory facilities and some of the current research projects.

Date: February 25, 2014

Creator: Rout, Bibhudutta; Dhoubhadel, Mangal; Poudel, Prakash R.; Kummari, Venkata C.; Lakshantha, Wickramaarachchige J.; Manuel, J. E. et al.

Item Type: Article

open access

Radio-Frequency Actuated Polymer-Based Phononic Meta-Materials for Control of Ultrasonic Waves

This article describes the achievement of radio-frequency control of a n ultrasonic phononic crystal by encapsulating it in a composite of high k-10% KF-doped BaTiO₃ dielectric nanoparticles with poly(N-isopropylacrylamide) (PNIP Am)-based hydrogel.

Date: February 24, 2017

Creator: Walker, Ezekiel; Wang, Zhiming & Neogi, Arup

Item Type: Article

open access

Collision-Induced Interaction Cross Sections of 1-7 Mev B₂ Ions Incident on an N₂ Gas Target

This article describes the measurement of collision-induced interaction cross sections for 1-7 MeV diatomic boron molecular ions incident on a nitrogen gas target by using a differentially pumped gas cell.

Date: May 5, 1995

Creator: Kim, Y. D.; Jin, J. Y.; Matteson, Samuel E.; Weathers, Duncan L.; Anthony, J. M.; Marshall, Paul et al.

Item Type: Article

open access

Single Reflective Optical Element for Interference Lithography

Patent relating to optical elements for use in interference lithography.

Date: December 20, 2016

Creator: Lin, Yuankun; Lutkenhaus, Jeffrey & George, David

Item Type: Patent

open access

Tunable Polymer-Based Sonic Structures

Patent relating to methods and devices for controlling the propagation of sound and particularly to tunable polymer-based sonic structures.

Date: March 6, 2014

Creator: Walker, Ezekiel; Neogi, Arup & Cai, Tong

Item Type: Patent

open access

Quantum Irreversibility and Chaos

This article establishes a relation between quantum irreversibility and the chaotic semi-classical solutions for a spin-boson Hamiltonian system.

Date: February 1, 1997

Creator: West, Bruce J.; Grigolini, Paolo; Bonci, Luca & Roncaglia, Roberto

Item Type: Article

open access

Trace Elements and Carcinogenicity: A Subject in Review

This article reviews the carcinogenicity of various trace elements.

Date: June 10, 2012

Creator: Mulware, Stephen Juma

Item Type: Article

UNT College of Arts and Sciences - 404 Matching Results

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On the period of VY Ursae Majoris

Ionised outflows in z ~ 2.4 quasar host galaxies

Electrical properties of SnSe under high-pressure

Efficient multiband and broadband cross polarization converters based on slotted Lshaped nanoantennas

Direct Measurement of Group Delay Dispersion in Metamagnetics for Ultrafast Pulse Shaping

Optimization of nonlinear optical properties of ZnO micro and nanocrystals for biophotonics

Holographic fabrication of 3D photonic crystals through interference of multi-beams with 4 + 1, 5 + 1 and 6 + 1 configurations

Hyperbolic metamaterials: new physics behind a classical problem

Electric Field Enhanced Photoluminescence of CdTe Quantum Dots Encapsulated in Poly (N-Isopropylacrylamide) Nano-Spheres

Nanoimprinted plasmonic nanocavity arrays

Holographically Formed Three-Dimensional Penrose-Type Photonic Quasicrystal Through a Lab-Made Single Diffractive Optical Element

Energy transfer in ZnO-anthracene hybrid structure

Scattering Suppression in Epsilon-Near-Zero Plasmonic Fractal Shells

Origin of Room Temperature Broadband Light Emission and Carrier Dynamics in Ag Ion-Implanted Silicon Nanocrystals

Engineering Metal Oxide Nanostructures for the Fiber Optic Sensor Platform

The Mammary Gland Carcinogens: The Role of Metal Compounds and Organic Solvents

Comparative Trace Elemental Analysis in Cancerous and Noncancerous Human Tissues Using PIXE

Ion Beam Materials Analysis and Modifications At keV to MeV Energies at the University of North Texas

Radio-Frequency Actuated Polymer-Based Phononic Meta-Materials for Control of Ultrasonic Waves

Collision-Induced Interaction Cross Sections of 1-7 Mev B₂ Ions Incident on an N₂ Gas Target

Single Reflective Optical Element for Interference Lithography

Tunable Polymer-Based Sonic Structures

Quantum Irreversibility and Chaos

Trace Elements and Carcinogenicity: A Subject in Review