نتایج جستجو برای: ellipsometry
تعداد نتایج: 2054 فیلتر نتایج به سال:
Imaging ellipsometry was combined with electrochemical methods for studying electrostatic interactions of protein and solid surfaces. The potential of zero charge for gold-coated silicon wafer/solution interfaces wad determined by AC impedance method. The potential of the gold-coated silicon wafer was controlled at the potential of zero charge, and the adsorption of fibrinogen on the potential-...
Infrared optical properties of mixed-phase thin films studied by spectroscopic ellipsometry using boron nitride as an example" (1997). We present a microstructure-dependent anisotropic infrared-optical dielectric function model for mixed-phase polycrystalline material from which we derive the transverse and longitudinal-optical modes observable in thin films. Infrared ellipsometry over the wave...
Ex situ spectroscopic ellipsometry (SE) measurements have been employed to investigate the effect of liquid-phase hydrofluoric acid (HF) cleaning on Si<100> surfaces for microelectromechanical systems application. The hydrogen terminated (H-terminated) Si surface was realized as an equivalent dielectric layer, and SE measurements are performed. The SE analyses indicate that after a 20-s 100:5 H...
The formation of covalent C(60) monolayers through [4+2] Diels-Alder cycloaddition between C(60) and anthracene monolayers grafted onto a silicon oxide surface was investigated by ellipsometry, fluorescence and by atomic force microscopy.
Redshift of the absorption onset and amplitude increase in ultraviolet complex dielectric function (DF) corundum-like [Formula: see text]-(Ti x Ga 1− ) 2 O 3 with increasing Ti content is presented. text]-Ga thin film samples alloyed up to text] are grown from plasma enhanced atomic layer deposition. They characterized by spectroscopic ellipsometry, transmission electron microscopy, x-ray photo...
The determination of optical constants (i.e., real and imaginary parts the complex refractive index (nc) thickness (d)) ultrathin films is often required in photonics. It may be done by using, for example, surface plasmon resonance (SPR) spectroscopy combined with either profilometry or atomic force microscopy (AFM). SPR yields product nc d) film, while AFM yield its thickness, thereby allowing...
introduction: the human skin is an active medium from the optical point of view. therefore, the diagnostic and therapeutic techniques employing light are increasing. current optical techniques are based on the measurement of the intensity of reflected absorbed or backscattered light from or within skin. studies have shown that biological tissues, and in particular skin, demonstrate polarization...
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