نتایج جستجو برای: tellurium determination
تعداد نتایج: 260672 فیلتر نتایج به سال:
We discuss the theoretical and experimental investigation of acousto-optic dispersive tunable filters, based on quasi-collinear geometry of light-sound interaction in a tellurium dioxide single crystal. The geometry uses the effect of strong acoustic anisotropy in the paratellurite as well as peculiarities of acoustic wave reflections at the free boundary of the crystal. A mathematical concept ...
Coevaporated bismuth-tellurium and antimony-tellurium films were fabricated under various deposition conditions scontrolled evaporation rates of individual species, substrate temperature, and substrate materiald, and their thermoelectric sTEd properties sSeebeck coefficient, electrical resistivity, and carrier concentrationd were measured in search of optimal TE performance. The tellurium atomi...
Owing to the very brittle nature of tellurium powder, nanoscopic grains with an average size of 4.8 ± 0.8 nm were produced by dry vibration milling technique using a mixer/mill apparatus. A novel material was obtained by binding the nanosized tellurium grains with poly(methyl methacrylate) (PMMA) polymer. The morphology, elemental composition, and structural and optical properties of Te/PMMA fi...
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