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W. Wedding 《Fresenius' Journal of Analytical Chemistry》1879,18(1):85-87
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Measurements of the positional variation of surface-attaching probabilities for 6.77μ uncharged monodisperse uranine aerosol particles on a stainless steel plate are presented for a turbulent flat plate boundary layer. The results presented include results for conditions in which the attaching probability is unity and less than unity. It was found that the variation of the attaching probability was invariant with position once the boundary layer became fully turbulent. 相似文献
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The hysteresis loops, of Co films with thicknesses ranging from 12- to 80-monolayer-equivalent (MLE) coverages grown by thermal evaporation on a Cu-covered Si(111) surface, were measured in situ by the surface magneto-optic Kerr effect (SMOKE) technique. The hysteresis loops were measured as a function of Co coverage under an external sinusoidal magnetic field at fixed driving frequency. The coercivity Hc of the Co film versus thickness t followed a power law t−n with n=0.4±0.1 between 12 and 44 MLE, and stabilized after 44 MLE, up to the 80 MLE studied. The surface morphology of the 80-MLE Co film was imaged ex situ by atomic force microscopy (AFM) and scanning tunneling microscopy (STM), revealing cauliflower-like islands that were rough both in the short and long range. Analysis of the height–height correlation function for the largest image gave measurements of the effective roughness exponent (0.8), the vertical interface width w(2500 Å), and the lateral correlation length ξ(10 000 Å). We suggest that the coercivity changed in part due to changes in roughness of the Co films, deposited on a rough substrate; the spatial roughness would create an additional surface anisotropy, contributing to a fluctuation in the domain wall energy, resulting in a roughness-dependent coercivity. 相似文献
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M. A. von Reis M. Esser Périllon J. Jos Morgan Clerc H. J. Williams Thomas Turner P. W. Shimer Drown Watts W. Gintl Jennings Alex Classen Sprenger L. Archbutt B. Platz L. Blum Victor Gröndahl Wiborgh A. Vosmaer Travard L. L. de Koninck J. Péter Wilhelm Thörner F. Wiggert H. Rocholl Craig F. Brugman J. O. Arnold Henry J. Hardy C. Reinhardt V. Eggertz Rinman Gustav Möller Tamm C. Meineke C. Hiepe G. Hattensaur C. Ridsdale H. L. Neve Foster Finkener K. Neu Otto Vogel L. Rürup G. Lunge L. Marchlewski A. Ledebur H. Vignal H. Wedding Osmond Werth 《Analytical and bioanalytical chemistry》1893,32(1):366-375
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H. von Jüptner Francis Watts A. E. Hunt George Craig H. Rocholl V. Eggertz A. Tamm J. Oliver Arnold J. Lawrence Smith Magnus Troilius Albano Brand Eug Lundin Friedrich C. G. Müller A. Pourcel Brustlein H. Wedding und D. Sevoz 《Fresenius' Journal of Analytical Chemistry》1886,25(1):258-262
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Gust. Weissmann Périllon H. C. Babbitt T. E. Thorpe F. J. Hambly Chatard Leop. Schneider A. Gorgen Fr. G. Myhlertz C. Reinhardt Belani Hampe Fr. Julian M. A. v. Reis E. F. Wood Meineke P. Vorwerk Cheever Howe Sprenger Eggertz George W. Goetz Wedding Karl Bormann Francken und F. Osmond 《Fresenius' Journal of Analytical Chemistry》1893,32(1):498-513
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