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Mechanochemically Processed Zinc Ferrite Nanoparticles: Evolution of Structure and Impact of Induced Cation Inversion
Journal of Magnetism and Magnetic Materials ( IF 2.7 ) Pub Date : 2018-11-01 , DOI: 10.1016/j.jmmm.2018.05.100
Vincent G. Harris , Vladimir Šepelák

Abstract Among the many types of preparation techniques, the non-conventional mechanochemical processing has been recognized as an alternative route to nanomaterials. It is integral to the preparation of ceramic materials, including magnetoceramics, such as spinels, garnets, and hexaferrites, among others. This technique imparts copious levels of kinetic energy through collisions of balls, chamber walls, and media particles resulting in not only physical mixing, attrition, and solid state reaction, but also vacancies, strain, and cation inversion. Here, we strive to elucidate the impact of mechanochemical processing upon a single step solid-state reaction and the inversion of cations in the zinc ferrite system and their impact upon important long-range magnetic properties of volumetric magnetization, Neel temperature, and nuclear magnetic properties, including hyperfine field distributions, isomer shifts, and quadrupole interactions.

中文翻译:

机械化学加工的锌铁氧体纳米颗粒:结构的演变和诱导阳离子反转的影响

摘要 在众多制备技术中,非常规机械化学加工已被公认为纳米材料的替代途径。它是制备陶瓷材料不可或缺的一部分,包括磁陶瓷,如尖晶石、石榴石和六铁氧体等。该技术通过球、室壁和介质粒子的碰撞传递大量动能,不仅导致物理混合、磨损和固态反应,还导致空位、应变和阳离子反转。在这里,我们努力阐明机械化学加工对单步固态反应和锌铁氧体系统中阳离子反转的影响,以及它们对体积磁化强度、尼尔温度、
更新日期:2018-11-01
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