نتایج جستجو برای: birefringent thin film
تعداد نتایج: 188369 فیلتر نتایج به سال:
Localized radiative energy transfer from a near-field emitter to a magnetic thin film structure is investigated. A magnetic thin film stack is placed in the near-field of the plasmonic nanoantenna to utilize the evanescent mode coupling between the nanoantenna and magnetic thin film stack. A bow-tie nano-optical antenna is excited with a tightly focused beam of light to improve near-field radia...
Previous research on the laser damage resistance of thin films deposited by atomic layer deposition (ALD) is rare. In this work, the ALD process for thin film generation was investigated using different process parameters such as various precursor types and pulse duration. The laser-induced damage threshold (LIDT) was measured as a key property for thin films used as laser system components. Re...
The use of fossil fuels to generate electricity has already been identified as a major contributor to global warming and climate change. Many countries have already made plans to reduce their fossil fuel consumption and increased the contribution of renewable energies in total energy supply. One of the commonly used renewable energy sources is the sun and the use of photovoltaic cells to conver...
In this study, NiTi thin films were deposited on the glass and NaCl substrates by means of magnetron sputtering method. The influence of aging temperature, over the range 300-500 oC, on phase transformation and mechanical properties of the sputtered NiTi thin films were studied by differential scanning calorimetry (DSC) and nano-indentation assay, respectively. The DSC curves showed that the ag...
We have grown TiO2 and AlN under ultra high vacuum and high pressure conditions and studied their structures with using AES and SEM techniques. The obtained results show that an amorphous film of TiO2 and AlN could be formed on silicon substrate. Furthermore, TiO2 and AlN are high – K dielectric materials and they can thus be replaced to ultra thin gate oxide film.
Nanostructured TiO2-SnO2 thin-film ethanol sensors have been fabricated on glass substrates using electron beam and sol-gel methods. The surface structure, morphology and optical transmission characteristics of the films were analyzed by X ray diffraction, scanning electron microscopy and UV/VIS/NIR spectrometry. The TiO2-SnO2 films were less than 300 nm thick and consisted of nanocrystallines ...
We have investigated the fabrication of α-Cr2O3(0001) thin film on a Au(111) surface and the effect of the antiferromagnetic feature of α-Cr2O3(0001) on the magnetic properties of ultrathin Co film on α-Cr2O3(0001). Highly oriented α-Cr2O3(0001) thin film is fabricated by oxidizing Cr(110) thin film grown on a Au(111) surface. Upon the oxidization of threefold symmetric Cr(110) thin film, the α...
Pentacene is one of the most studied organic semiconducting materials. While many aspects of the film formation have already been identified in very thin films, this study provides new insight into the transition from the metastable thin-film phase to bulk phase polymorphs. This study focuses on the growth behavior of pentacene within thin films as a function of film thickness ranging from 20 t...
This Communication describes the fabrication of planar structures comprising metallic features with nanometer-scale lateral dimensions in polymer prepared by sectioning a thin metallic film, embedded in a polymer matrix, in a plane perpendicular to the metallic film. This procedure converts a structure that is thin along the z-axis into a structure that is thin along the x-axis. The embedded th...
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