Results 81 to 90 of about 5,258 (239)

Effects of Deposition Angle on the Optical Properties of Helically Structured Films

, 2004
Glancing-angle deposition (GLAD) is a fabrication method capable of producing thin films with variable porosity. The GLAD process exploits substrate shadowing and limited adatom diffusion to create isolated columns of material that collectively comprise ...
Jeremy C. Sit, Andy C. van Popta, Jason B. Sorge, Michael J. Brett   +3 more
core   +1 more source

Precipitation Simulations of the O‐Phase in Ti2AlNb Alloys Processed by Laser Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Simulated and experimental evolution of the O‐phase volume fraction during postprocessing of a Ti‐21Al‐25Nb (at.%) alloy processed by laser powder bed fusion. With results of sensitivity to input parameters from a thorough and quantified analysis, the interfacial energy matrix/precipitate is the most relevant input parameter for the simulation of the O‐
Silvana Tumminello, Joachim Gussone, Suzana G. Fries, Marcus Rackel, Andreas Stark, Norbert Schell, Jan Haubrich, Guillermo Requena   +7 more
wiley   +1 more source

Anisotropy of laser-induced electro-response in shale: Modelling and experimental validation

International Journal of Mining Science and Technology
Laser-induced electro-response (LIER), as a new method that complements conventional rock physics testing techniques, is expected to address issues such as of unclear mechanisms, model deficiency, inconsistent evaluation parameters, and difficulty in ...
Xuecong Liu, Zhengchun Hong, Yuqi Jiao, Kun Zhao, Xinyang Miao   +4 more
doaj   +1 more source

Artificial anisotropic dielectric material for antenna polarization rotation

, 2017
In this paper, an uniaxial anisotropic material block composed of dielectric sheets is examined for the rotation of the tilt angle of the linear polarization. The main objective is to diminish the coupling between two antenna elements.
E. Salonen, M. Berg, Tuovinen, T. (T.), Berg, M. (M.), Salonen, E. (E.), T. Tuovinen   +5 more
core   +1 more source

Triple Junctions as Dislocation‐Like Defects: The Role of Grain Boundary Crystallography Revealed by Experiment and Atomistic Simulation

Advanced Engineering Materials, EarlyView.
Grain boundary triple junctions are an essential ingredient of the microstructure of polycrystalline materials. In this study, a triple junction is observed using atomic‐resolution scanning transmission electron microscopy and characterized. Computer simulations reveal that the junction has a dislocation character that is determined by the joining ...
Tobias Brink, Saba Saood, Peter Schweizer, Jörg Neugebauer, Gerhard Dehm   +4 more
wiley   +1 more source

Investigating the missing-wedge problem in small-angle X-ray scattering tensor tomography across real and reciprocal space

Journal of Synchrotron Radiation
Small-angle-scattering tensor tomography is a technique for studying anisotropic nanostructures of millimetre-sized samples in a volume-resolved manner.
Leonard C. Nielsen, Torne Tänzer, Irene Rodriguez-Fernandez, Paul Erhart, Marianne Liebi   +4 more
doaj   +1 more source

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

Advanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal, Cevher Kursat Macit, Merve Ayık, Hakan Tutumlu   +3 more
wiley   +1 more source

A Hybrid Ray-Racing and Radiosity Method for Calculating Radiation Transport and Illuminance Distribution in Spaces With Venetian Blinds

, 2012
This paper presents a hybrid ray-tracing and radiosity method for processing luminous flux in spaces equipped with venetian blinds. The method considers both diffuse and specular characteristics of blinds and aims to establish a balance between ...
Chan, Ying-Chieh, Tzempelikos, Athanasios   +1 more
core  

Magnetic Control of Chiral Hybridized Phonon Magnetic Moments in Ferrimagnets Fe2‐xZnxMo3O8

Advanced Functional Materials, EarlyView.
Helicity‐resolved magneto‐Raman spectroscopy reveals magnetic control of chiral phonon magnetic moments in polar ferrimagnet (ZnxFe2−xMo3O₈). Large spontaneous zero‐field phonon splittings, selective phonon–magnon coupling, and asymmetric Zeeman responses demonstrate that phonon chirality is governed by magnon‐phonon coupling and magnetization.
Youngsu Choi, Dirk Wulferding, Amit Pawbake, Clément Faugeras, Sivasakthi Kuppusamy, Raman Sankar, Gichan Son, Jeongwoo Kim, Kwang‐Yong Choi   +8 more
wiley   +1 more source

Electrical tuning of the polarization state of light using graphene-integrated anisotropic metasurfaces

, 2017
Plasmonic metasurfaces have been employed for moulding the flow of transmitted and reflected light, thereby enabling numerous applications that benefit from their ultra-thin sub-wavelength format.
Mikhail A. Belkin, Shourya Dutta-Gupta, Iskandar Kholmanov, Gennady Shvets, Nima Dabidian   +4 more
core   +1 more source