Materials Literature
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This a outline of a review of metrological issues related to nanoscale electrical transport measurement presented at CPEM-2014. A brief overview of the instrumentation used to measure electrical transport properties at the nanoscale is presented and a few metrological issues are discussed.
하드페이싱층과 기저부의 결합부에서 발생하는 잔류 응력/변형률을 감소시키기 위하여 열응력제어층에 대한 연구가 시작되고 있다. 이 연구에서는 3 차원 유한요소해석을 이용하여 Stellite21 초합금으로 하드페이싱된 STD61 열간금형강의 중간층으로 형성된 열응력제어층의 재료조합과 두께를 예측하고자 한다. 열응력제어층은 Stellite21 과 STD61 의 조합으로 생성하였다. 열응력제어층의 두께범위는 0.5-1.5 mm 로 선정하였다. 유한요소해석 결과를 이용하여 열응력제어층을 구성하는 Stellite21 과 STD61 의 혼합율 및 열응력제어층 두께에 따른 시편 내…
F Yang, Y Chen, Z Cai, N Tsvetkov, M Burriel, H Tellez, B Yildiz, J A Kilner, DB Williams, DW McComb; High Resolution Electron Microscopy Characterization
Jinwoo Hwang, Jack Y Zhang, Susanne Stemmer; Progress in Applications of Quantitative STEM, Microscopy and Microanalysis, Volume 20, Issue S3, 1 August 201
We present a highly compact, fully integrated tunable lens for confocal hyperspectral imaging with imprinted diffractive structures on a polydimethylsiloxane (PDMS) membrane. The PDMS membrane was patterned by replication technique with a diffractive optical element (DOE) on quartz glass as master mold. The smallest f…
We present recent progress in fiber-based metamaterials. We have drawn fibers containing either sub-wavelength magnetic resonators or wire media, operating up to mid-infrared frequencies. This has led to the first fiber-based metamaterial hyperlenses capable of imaging and focusing well below the diffraction limit ove…
Abstract : This scoring record documents the efforts of the Environmental Security Technology Certification Program to detect and discriminate inert unexploded ordnance (UXO) utilizing the APG Standardized UXO Technology Demonstration Site calibration lanes and open field sites. This Scoring Record was coordinated by…
The poled lead magnesium niobate-lead titanate (PMN-32%PT) crystals with different vibration modes may be used for development of novel high efficiency ultrasonic transducers due to high piezoelectric properties. Efficiency and better physical understanding of those technologies could be improved by proper measuring t…
The Fourier-based diraction approach is an established method to extract order and symmetry properties from a given point set. We want to investigate a dierent method for planar sets which works in direct space and relies on reduction of the point set information to its angular component relative to a chosen reference…
Synchrotron X-ray diffraction is a powerful tool to analyse the mechanical behavior of multiphase materials due to its selectivity. Simultaneous stress analysis of both phases of a W/Cu thin multilayer has been performed during a continuous biaxial loading on DiffAbs beamline at SOLEIL synchrotron (France). The use of…
We study the scattering of an H-polarized electromagnetic plane wave by an equidistant array of parallel gyrotropic cylinders located perpendicular to the incidence plane in free space. Conditions are determined under which the individual and collective resonant effects in such a scattering system can lead to the form…
VN Jmerik, DV Nechaev, SV Ivanov, S Rouvimov; Fine Structural Studies of AlGaN Laser Heterostructures with Digitally Alloyed Quantum Wells Grown on c-Al2O3
The experimental fusion reactor ITER presents a number of special ElectroMagnetic Compatibility issues. Earlier tokamaks like JET applied single point grounding of the electronics for measurement and control. This is impossible for ITER because of its size and complexity and the all metal heart of the machine. Outside…
The relationship between N and strain hardening exponent curve are obtained by the tensile test of the stainless steel, low carbon steel, medium manganese steel under the ultrasonic action, it is concluded that hardening exponent n of low carbon steel is constant; Hardening exponent N stainless steel has a certain rel…
We analyze the graphane p—n junction performance. The analysis method is based on solving Poisson and current equations by using the Green function method. The Green function method gives a simple and fast tool for solving the Poisson equation. Our analysis method is different compared to earlier reports about the ana…
A modified polymer-network gel route has been developed to prepare a multilayer core-shell structure of BaTiO3-based dielectric ceramics, which greatly improved the efficiency of gelation process. The core particles are BaTiO3, while 0.7 BaTiO3-0.3Bi(Zn1/2Ti1/2)O3(0.7 BT-0.3BZT) and Nb oxides were coated in order as t…
Micro-Mold Process for Plastic Solar Cells: A practical metal micro-mold technology, which is cost-effective and directly applicable for versatile roll-to-roll continuous processes for flexible plastic solar cells, is presented by realizing polymer solar cells with micro-engraved active layers featuring particular cry…
The r-value is defined as the ratio of the width strain to the thickness strain under uniaxial tensile loading. The r-value can be defined for each grain in polycrystalline metal during plastic deformation. It was pointed out that r-value of a grain affects the surface roughening of polycrystalline metal, and hence al…
A series of solid solutions 0.60 BiFeO3-0.35 PbTiO3-0.05 Pb(Zn1/3Nb2/3)O3(0.60BF-0.35PT-0.05PZN) were fabricated by solid state reaction method. This ternary system possessed the coexistence of both rhombohedral (R3c) and tetragonal (P4mm) phase. The 0.60BF-0.35PT-0.05PZN ceramics were mechanically and electrically ro…
Invisibility, resonant scattering and light trapping are among the most intriguing optical phenomena. Here, we show that these seemingly unrelated effects are tightly connected and can be tailored by suitably engineering the scattering response of composite nanoparticles. We demonstrate broadband cloaking and resonanc…