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New mechanism of plasmons specific for spin-polarized nanoparticles
This article experimentally shows that Co nanoparticles with a single-domain crystal structure support a plasmon resonance at approximately 280 nm with better quality than gold nanoparticle resonance in the visible. The magnetic nature of these nanoparticles suggests a new type of these plasmons.
Date:
March 27, 2018
Creator:
Bhatta, Hari L.; Aliev, Abil E. & Drachev, Vladimir P.
System:
The UNT Digital Library
Engineered nonlinear materials using gold nanoantenna array
This article describes the use of a gold nanoantenna array to enhance both the nonlinear refractive index and two-photon absorption (2PA) of the organic dye 4,4'-bis(diphenylamino)stilbene (BDPAS), which is known as a dye with relatively large 2PA.
Date:
August 21, 2017
Creator:
Drachev, Vladimir P.; Kildishev, Alexander V.; Borneman, Joshua D.; Chen, Kuo-Ping; Shalaev, Vladimir; Yamnitskiy, Konstantin et al.
System:
The UNT Digital Library
Pyrene Bearing Azo-Functionalized Porous Nanofibers for CO₂ Separation and Toxic Metal Cation Sensing
This article describes the construction of a novel luminescent azo-linked polymer from 1,3,6,8-tetra(4--aminophenyl)pyrene using a copper(I)-catalyzed oxidative homocoupling reaction.
Date:
August 6, 2018
Creator:
El-Kadri, Oussama M.; Tessema, Tsemre-Dingel; Almotawa, Ruaa M.; Arvapally, Ravi K.; Al-Sayah, Mohammad H.; Omary, Mohammad A. et al.
System:
The UNT Digital Library
Effect of Substrate Support on Dynamic Graphene/Metal Electrical Contacts
This article investigates the stability of dynamic electrical contacts at a graphene/metal interface using atomic force microscopy (AFM), under static conditions with variable normal loads and under sliding conditions with variable speeds.
Date:
March 22, 2018
Creator:
Lee, Jihyung; Hu, Xiaoli; Voevodin, Andrey A.; Martini, Ashlie & Berman, Diana
System:
The UNT Digital Library
Cooperative bi-exponential decay of dye emission coupled via plasmons
This article demonstrates that the relaxation in the sub-radiant system leads to the population of the sub-radiant states by dephasing the super-radiant Dicke states giving rise to the bi-exponential decay in agreement with the experiments.
Date:
June 22, 2018
Creator:
Lyvers, David P.; Moazzezi, Mojtaba; de Silva, Vashista C.; Brown, Dean P.; Urbas, Augustine M.; Rostovtsev, Yuri V. et al.
System:
The UNT Digital Library
Waveguide Coupling via Magnetic Gratings with Effective Strips
This article provides an overview of an approach convenient for describing intermediate gratings for two types of applications: both metafilms and the coupling of incident waves to waveguide modes or diffraction orders.
Date:
April 14, 2018
Creator:
Roccapriore, Kevin M.; Lyvers, David P.; Brown, Dean P.; Poutrina, Ekaterina; Urbas, Augustine M.; Germer, Thomas A. et al.
System:
The UNT Digital Library
Hybrid Human-Artificial Intelligence Approach for Pavement Distress Assessment (PICUCHA)
This article proposes a new method named PICture Unsupervised Classification with Human Analysis (PICUCHA) to circumvent many of the limitations of existing approaches, based on a combination of human and artificial intelligence.
Date:
July 2017
Creator:
Salini, Reus; Xu, Bugao & Carvalho, Regis
System:
The UNT Digital Library
Pavement Distress Detection with PICUCHA Methodology for Area-Scan Cameras and Dark Images
This article discusses the test of the PICture Unsupervised Classification with Human Analysis (PICUCHA) performance with images taken with area-scan cameras and flash light illumination over a pavement with dark textures.
Date:
April 2017
Creator:
Salini, Reus; Xu, Bugao & Paplauskas, Paulius
System:
The UNT Digital Library
Impact of Image Resolution Pavement Distress Detection Using PICUCHA Methodology
This article describes a study focused on the analysis of a newly-developed pavement distress classification algorithm, called the PICture Unsupervised Classification with Human Analysis (PICUCHA) method, particularly the impact of image resolutions on its classification accuracy.
Date:
December 2016
Creator:
Salini, Reus; Xu, Bugao & Souliman, Mena
System:
The UNT Digital Library
Hexagonal MoTe₂ with Amorphous BN Passivation Layer for Improved Oxidation Resistance and Endurance of 2D Field Effect Transistors
This article demonstrates the effectiveness of an a-BN capping layer in preserving few-layer MoTe₂ material quality and controlling its conductivity type at elevated temperatures in an atmospheric environment.
Date:
June 6, 2018
Creator:
Sirota, Benjamin; Glavin, Nicholas; Krylyuk, Sergiy; Davydov, Albert V. & Voevodin, Andrey A.
System:
The UNT Digital Library
Microstructural Design for Improving Ductility of An Initially Brittle Refractory High Entropy Alloy
This article presents a novel approach to microstructural engineering of refractory high-entropy alloys (RHEAs) to form an "inverted" BCC+B2 microstructure.
Date:
June 11, 2018
Creator:
Soni, V.; Senkov, O. N.; Gwalani, B.; Miracle, D. B. & Banerjee, Rajarshi
System:
The UNT Digital Library