نتایج جستجو برای: cocu multilayers
تعداد نتایج: 4303 فیلتر نتایج به سال:
1-x x This paper deals with the structural properties of a-Si:H/a-Si C :H multilayers 4 4 4 deposited by glow-discharge decomposition of SiH and SiH and CH mixtures. The main feature of the rf plasma reactor is an automated substrate holder. The plasma stabilization time 1-x x and its influence on the multilayer obtained is discussed. A series of a-Si:H/a-Si C :H multilayers has been deposited ...
Interfacial electronic effects between Cu and the transition metals Cr, Mo, W, Ta, Re, are investigated by determining the strength of the white line absorption resonances on the L3,2 edges of Cu in Cu5/TM5 multilayers. X-ray absorption (XAS) was performed to study the white lines, which are directly related to the unoccupied states of Cu in the multilayers. The metallic multilayers are 2 nm in...
We have measured the magnetic domain patterns in Co/Pd multilayers of varying thickness using magnetic force microscopy in the presence of an external magnetic field applied perpendicular to the multilayers. We find that the domain patterns evolution is in qualitative agreement with existing theories for single layer thin films. Our results are in reasonable agreement with a theoretical model o...
The uniaxial in-plane and out-of-plane anisotropies of [Co/SiO2] 10 multilayers have been studied by ferromagnetic resonance, magnetometry and transmission electron microscopy. The surface and volume anisotropy constants are in the range of values typical for multilayers with Co and transition metals of the iron group. The influence of the intermixed Co–SiO2 region is discussed. # 2007 Elsevier...
The objectives of this study were to analyse the effect of inkjet 3-D printing parameters, particularly the splat overlap distance, for the fabrication of defect-free porous Al2O3 ceramic multilayers, and to correlate the resulting porosities with the mechanical properties measured using nanoindentation. An aqua-based alumina ink was used in this study to fabricate the multilayers on dense alum...
Gold nanoparticle multilayers were self-assembled onto an electrode surface by using a dipping method. The particle assemblies exhibited quantized capacitance charging characteristics in aqueous media that were rectified by hydrophobic anions such as PF6-, BF4- and ClO4-, similar to the behavior with the monolayer counterparts. More interestingly, even in the presence of less hydrophobic anions...
We report on novel ferromagnetic Mn/Ge multilayers for spintronics applications investigated both experimentally and theoretically. Two Mn/Ge multilayers are grown on GaAs (001) substrates by molecular beam epitaxy. The period of each multilayer consists of an Mn layer of varying thickness (0.6 and 5 Å) and a 10 Å thick Ge spacer layer. From temperaturedependent magnetization and hysteresis loo...
X-ray standing wave fields, excited in periodic nanostructured multilayers during Bragg diffraction, have been used to probe atomic migration in multilayers. Ion beam induced migration of Fe impurity atoms from the C layers to the Pt layers in a Pt(Fe)/C(Fe) multilayer, where each layer is about 2 nm thick, has been detected. With a depth resolution better than 0.2 nm of this technique, the dir...
In the current project on effects of heavy ion irradiation in planar multilayer cell cultures, a “multicellular sensitization” was observed, i. e., multilayers were more radiosensitive than monolayers when treated under identical conditions [1]. This phenomenon was observed in multilayers, but also in multicell spheroids of SiHa and WiDr human tumor cells using plateau region or Bragg peak carb...
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