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The homogeneity of the lattice spacing of silicon single crystals was investigated by the self-referenced lattice comparator. Strain measurements were performed on single crystals from Avo28 ingot, which was used to determine the Avogadro constant. A swirl pattern was observed for the sample of 9.R1 cut from the Avo28 ingot.
In this paper we report detailed cathodoluminescence (CL) studies of deep UV emitting AlGaN multiple quantum wells (MQWs) embedded in AlN cladding layers to simulate a deep UV laser structure. These structures were produced by plasma-assisted molecular beam epitaxy (MBE) on 6H-SiC substrates. The AlGaN QWs were grown under excess gallium conditions, a growth mode consistent with liquid phase epitaxy...
A multilayer radar-absorbing structure with plasma- and radar-absorbing material (RAM) is established to investigate the stealth mechanisms of the multilayer absorber. The method of impedance transformation with multiple dielectrics is used to analyze the propagation of electromagnetic (EM) waves in the multilayer structure. The dependences of EM waves attenuation on the parameters of the plasma and...
Tunneling magnetoresistance (TMR) effect has been extensively studied either in MTJs [1] or in insulating granular films, but few studies have been reported on the composite structure combined them together. In this presented work, the MTJs of FeCoGd(t)/AlO/FeCo have been fabricated. Different from conventional MTJ, the FeCoGd electrode was partially oxidized. A thin granular film due to the oxidation...
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