نتایج جستجو برای: thermal nitridation
تعداد نتایج: 217691 فیلتر نتایج به سال:
The preparation of 2D-layered C@TiN: Ti3C2 MXenes were synthesized via the previous reported paper. Typically, 1 g Ti3AlC2 (purchased from FORSMAN Company, China) was added into 15 mL 40% HF solution. The solution was stirred for 120 h at 40 oC. After the HF etching, the material was centrifuged and washed in deionized water until pH~7. The Ti3C2 MXene was obtained after drying at 50 oC for 12h...
Tin nitride (Sn(x)N(y)) nanowires have been grown for the first time by chemical vapour deposition on n-type Si(111) and in particular by nitridation of Sn containing NH(4)Cl at 450 degrees C under a steady flow of NH(3). The Sn(x)N(y) nanowires have an average diameter of 200 nm and lengths >/=5 mum and were grown on Si(111) coated with a few nm's of Au. Nitridation of Sn alone, under a flow o...
The nitridation of InP(100) surfaces has been studied using synchrotron radiation photoemission. The samples were chemically cleaned and then ion bombarded, which cleaned the surface and also induced the formation of metallic indium droplets. The nitridation with a Glow Discharge Cell (GDS) produced indium nitride by reaction with these indium clusters. We used the In 4d and P 2p core levels to...
When a nitrogen microwave-induced plasma produced with an Okamoto-cavity was employed as a source for the nitridation of steel samples, the characteristics of the plasma were investigated by analyzing a spatially-resolved emission image of nitrogen excited species obtained with a two-dimensionally imaging spectrograph. Our previous study had reported on an excellent performance of the Okamoto-c...
Abstract Oxide glasses are the most commonly studied non-crystalline materials in Science and Technology, though compositions where part of oxygen is replaced by other anions, e.g. fluoride, sulfide or nitride, have given rise to a good number works several key applications, from optics ionic conductors. Oxynitride silicate phosphate stand out among all others because their higher chemical mech...
A hexagonal oxynitride (Li(0.88)□(0.12))Nb(3.0)(O(0.13)N(0.87))(4) was synthesized through ammonia nitridation of LiNb(3)O(8). The structural analysis revealed that this oxynitride consists of alternate stacking of octahedral and prismatic layers with different Li/Nb ratios: significant amounts of Li and Nb atoms (Li/Nb = 43/57) coexist in the octahedral layer, while the prismatic site is prefe...
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