WebFeb 1, 2024 · This trend is thought to be enhanced at Fen, due to compositional difference between multiple successive carbonatite intrusions expelling fluids with variable chemistry (Andersen, 1989). With relatively few exceptions, a feature common to fenitic pyroxenes and amphiboles, including those displayed in Fig. 9 , is the high and apparently non ... Iron has five nitrides observed at ambient conditions, Fe2N, Fe3N4, Fe4N, Fe7N3 and Fe16N2. They are crystalline, metallic solids. Group 7 and group 8 transition metals form nitrides that decompose at relatively low temperatures – iron nitride, Fe2N decomposes under loss of molecular nitrogen at around 400 °C and formation of lower-nitrogen content iron nitrides. They are insoluble in water. At high pressure, stability and formation of new nitrogen-rich nitrides (N/F…
Ultrathin hollow hemisphere-carbon-anchored Ni - Royal Society of Chemistry
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