نتایج جستجو برای: multilayer structure

تعداد نتایج: 1584206  

2016
Claas Abert Michele Ruggeri Florian Bruckner Christoph Vogler Aurelien Manchon Dirk Praetorius Dieter Suess

We propose a three-dimensional micromagnetic model that dynamically solves the Landau-Lifshitz-Gilbert equation coupled to the full spin-diffusion equation. In contrast to previous methods, we solve for the magnetization dynamics and the electric potential in a self-consistent fashion. This treatment allows for an accurate description of magnetization dependent resistance changes. Moreover, the...

2017
T. Yokota Lei Gao R. Zhang Leighann Nicholl M. L. Yan David J. Sellmyer Sy-Hwang Liou S. H. Liou

We have studied the magnetic properties of Au (2 nm)/Co50Pt50 (3 nm)/Au (2 nm) multilayer films prepared on amorphous Al2O3/Si and (0 0 1) MgO substrates. The as-deposited films on both substrates are magnetically soft with an FCC structure and exhibit a perpendicular anisotropy. After annealing at 500 °C, the sample on the Al2O3/Si substrate has become magnetically isotropic but the sample on ...

2008
W. Withayachumnankul B. M. Fischer S. P. Mickan

An optical multilayer interference filter is made from two or more different dielectric materials layered in such a way that it promotes constructive or destructive wave interference for a selected frequency in the direction normal to the layers. Usually, each layer has the thickness of a quarter of wavelength at which the stop-band is required. In this paper, a quarter-wavelength multilayer in...

2012
Carlos M. Bledt James A. Harrington Jason M. Kriesel

Hollow Glass Waveguides (HGWs) incorporating single dielectric thin film designs deposited on silver coated silica hollow waveguides have been used for low-loss transmission of infrared radiation in the 2 – 14 micrometer region. Silver iodide has traditionally been the material of choice as a dielectric thin film in HGWs, with other dielectric thin film materials such as cadmium sulfide and lea...

In this study, artificial neural network was used to predict the microhardness of Al2024-multiwall carbon nanotube(MWCNT) composite prepared by mechanical alloying. Accordingly, the operational condition, i.e., the amount of reinforcement, ball to powder weight ratio, compaction pressure, milling time, time and temperature of sintering as well as vial speed were selected as independent input an...

2016
Svitlana G. Ilchenko Ruslan A. Lymarenko Victor B. Taranenko

We propose a structure based on combination of multilayer stack of dielectric films and thin metal layer for excitation and enhancement of both s- and p-polarized evanescent waves. It is shown that two different mechanisms of evanescent wave excitation may occur at the same angle of light beam incidence on the structure. Application for evanescent wave polarization holographic recording with th...

Journal: :Optics express 2014
S N Yakunin I A Makhotkin K V Nikolaev R W E van de Kruijs M A Chuev F Bijkerk

We present a way to analyze the chemical composition of periodical multilayer structures using the simultaneous analysis of grazing incidence hard X-Ray reflectivity (GIXR) and normal incidence extreme ultraviolet reflectance (EUVR). This allows to combine the high sensitivity of GIXR data to layer and interface thicknesses with the sensitivity of EUVR to the layer densities and atomic composit...

2014
Rakhi Grover Ritu Srivastava M. N. Kamalasanan D. S. Mehta

A transparent and effective thin film encapsulation (TFE) based on a multilayer structure is demonstrated. Alternate films of amorphous and crystalline film forming organic materials have been investigated to create complicated diffusion pathways for oxygen and water vapour, which was reflected in their increased barrier properties. These layers are further protected by an inorganic barrier coa...

2008
Dmitriy L. Voronov Rossana Cambie Eric M. Gullikson Valeriy V. Yashchuk Howard A. Padmore Yuri P. Pershin Alexander G. Ponomarenko Valeriy V. Kondratenko

State of the art soft x-ray spectroscopy techniques like Resonant Inelastic X-ray Scattering (RIXS) require diffraction gratings which can provide extremely high spectral resolution of 10-10. This problem may be addressed with a sliced multilayer grating with an ultra-high groove density (up to 50,000 mm) proposed in the recent publication [Voronov, D. L., Cambie, R., Feshchenko, R. M., Gulliks...

Journal: :Inf. Sci. 2007
Waranyu Wongseree Nachol Chaiyaratana Kanjana Vichittumaros Pranee Winichagoon Suthat Fucharoen

This paper presents the use of a neural network and a decision tree, which is evolved by genetic programming (GP), in thalassaemia classification. The aim is to differentiate between thalassaemic patients, persons with thalassaemia trait and normal subjects by inspecting characteristics of red blood cells, reticulocytes and platelets. A structured representation on genetic algorithms for non-li...

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