New Layered Iron Sulfide NaFe1.6S2: Synthesis and Characterization
收藏Figshare2016-02-18 更新2026-04-29 收录
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https://figshare.com/articles/dataset/New_Layered_Iron_Sulfide_NaFe_sub_1_6_sub_S_sub_2_sub_Synthesis_and_Characterization/2352211
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Na was intercalated between [Fe2S2] layers for the first time, giving a novel compound NaFe1.6S2. This material adopts a CaAl2Si2-type structure with ∼20% iron vacancies and represents the first layered compound in a ternary Na–M–X (M = Fe, Co, Ni; X = S, Se) system. First-principles calculations reveal that phonon dynamics is an important factor for it to prefer the CaAl2Si2-type rather than the ThCr2Si2-type structure. It features a magnetic transition at 205 K and is a narrow-band-gap semiconductor.
创建时间：
2016-02-18
