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首页> 外文期刊>Advanced Functional Materials >Magnetic-Field-Induced Phase-Selective Synthesis of Ferrosulfide Microrods by a Hydrothermal Process: Microstructure Control and Magnetic Properties
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Magnetic-Field-Induced Phase-Selective Synthesis of Ferrosulfide Microrods by a Hydrothermal Process: Microstructure Control and Magnetic Properties

机译：磁场诱导的水热法合成硫化铁微棒的微观结构控制和磁性

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摘要

Microrods of the ferrosulfide minerals greigite (Fe_3S_4) and marcasite (FeS_2) are selectively synthesized by an in situ magnetic-field-assisted hydrothermal route. Each complex microrod is composed of fine building blocks with different shapes. The unique magnetic properties of the microrods and electrical performance of a single microrod are studied. The results demonstrate that the magnetic properties of the ferrosulfide minerals are strongly related to their corresponding microstructures. The value of the low-temperature transition increases as the greigite component in the product decreases. The combination of small-molecule sulfur precursors and an applied magnetic field makes possible the selective synthesis of ferrosulfide minerals with different phases and distinct microstructures, underlining the fact that the magnetic field can be a useful tool as well as an independent parameter for the phase-selective synthesis and self-assembly of inorganic building blocks in solution chemistry.
机译：通过原位磁场辅助水热法选择性地合成了铁硫化物矿物的钙铁矿（Fe_3S_4）和镁铁矿（FeS_2）的微棒。每个复杂的微棒均由具有不同形状的精细构建块组成。研究了微棒的独特磁性和单个微棒的电性能。结果表明，硫化铁矿物的磁性能与其相应的微观结构密切相关。低温转变的值随着产品中的菱铁矿成分的减少而增加。小分子硫前驱物和外加磁场的结合使得选择性合成具有不同相和不同微观结构的硫化铁矿物成为可能，从而强调了磁场可以作为有用的工具以及相的独立参数的事实。溶液化学中无机结构单元的选择性合成和自组装。

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