Mostrando 421 - 440 Resultados de 8,854 Para Buscar 'nanómetro~', tiempo de consulta: 5.82s Limitar resultados
  1. 421
    “…Despite recent advances in the understanding of the complex physics of vortex matter, the behavior of vortices driven by current through a multi-scale potential of the actual materials defects is still not well understood, mostly due to the scarcity of appropriate experimental tools capable of tracing vortex trajectories on nanometer scales. Using a novel scanning superconducting quantum interference microscope we report here an investigation of controlled dynamics of vortices in lead films with sub-Angstrom spatial resolution and unprecedented sensitivity. …”
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  2. 422
    “…Our study on several manganite samples [La(1−x)Ca(x)MnO(3) (x = 0.52, 0.54, 0.55)] illustrates the method of significant enhancement of MR with the reduction of the particle size in nanometer scale. Our experimentally observed results are explained by considering model consisted of a charge ordered antiferromagnetic core and a shell having short range ferromagnetic correlation between the uncompensated surface spins in nanoscale regime. …”
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  3. 423
  4. 424
    “…In this conventional regime, however, it remains a formidable challenge to sort out sub–50-nm nanoparticles with single-nanometer precision, isolating us from a rich flatland with advanced applications of micromanipulation. …”
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  5. 425
    “…Ferromagnetic alloy materials with designed composition depth profiles provide an efficient route for the control of magnetism at the nanometer length scale. In this regard, cobalt-chromium and cobalt-ruthenium alloys constitute powerful model systems. …”
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  6. 426
    “…Such an ordering at the larger scale (nanometers) and a lack of ordering at the smaller scale (sub-nanometer) is very rare for most liquids, or may even be unique to ionic liquids. …”
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  7. 427
  8. 428
    por Vaidya, Nina, Solgaard, Olav
    Publicado 2018
    “…Atomic force microscopy and optical profilometry showed that the smoothing technique reduced the surface roughness to a few nanometers, consistent with the requirements of high-quality optics, while tests of optical functionality demonstrated that the overall shapes were maintained so that near theoretically predicted operation was achieved. …”
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  9. 429
    “…We show that a thin conformal coating of only several nanometers can completely alter the reflection properties of such an opal. …”
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  10. 430
    “…This work represents the first fabrication of freestanding 2D gold with a sub‐nanometer thickness, opens up an innovative pathway toward atomically‐thin metal nanomaterials that can serve as model systems for inspiring fundamental advances in materials science, and holds potential across a wide region of applications.…”
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  11. 431
    “…However, previously proposed layered accumulation of organic matter within aggregate organo–mineral microstructures has not yet been confirmed by direct visualization at the necessary nanometer-scale spatial resolution. Here, we identify disordered micrometer-size organic phases rather than previously reported ordered gradients in C functional groups. …”
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  14. 434
    “…Here, state-of-the-art micro-to-nanometer scale patterning technologies of SBMs are disseminated. …”
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  15. 435
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  19. 439
    “…[Image: see text] The present research reports on in-water, site-specific photodeposition of glyphosate (GLP)-containing polyacrylamide (PAA-GLP) nanometer-thick films (nanofilms) on an inner surface of fused silica (fused quartz) microcapillaries presilanized with trimethoxy(octen-7-yl)silane (TMOS). …”
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  20. 440
    por Sandhu, N K, Bechara, R, Rodrigues, D M
    Publicado 2023
    “…BACKGROUND: High resolution manometry (HRM) is the gold standard for diagnosis of esophageal motility disorders. …”
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