Antiresonance in (Ni, Zn) ferrite-carbon nanofibres nanocomposites. (11th May 2015)

• Record Type: Journal Article
• Authors: Fernández-García, Lucía; Suárez, Marta; Luis Menéndez, Jose; Pecharromán, Carlos; Torrecillas, Ramón; Peretyagin, Pavel Y; Petzelt, Jan; Savinov, Maxim; Frait, Zdenek
• Is Part Of: Materials research express. Volume 2:Number 5(2015)
• Publication Date: 2015-05-11
• Subjects: ceramic composites -- ferromagnetic resonance -- ferrite devices; Materials science -- Research -- Periodicals; Materials science -- Periodicals; 620.11
• DOI: 10.1088/2053-1591/2/5/055003
• Languages: English
• ISSNs: 2053-1591

Abstract

Abstract: (NiZn)Fe2 O4 carbon nanofiber (CNF) nanocomposites with concentrations up to 5% in volume of CNFs were prepared by traditional ceramic processing and a subsequent spark plasma sintering at 860 °C with a holding time of 1 min. Low-frequency conductivity and magnetic properties were studied, revealing the appearance of a ferromagnetic antiresonance when a certain value of conductivity is reached due to the introduction of a conductive second-phase CNF in the ferromagnetic matrix (ferrite), thereby opening a route to induce magnetically tunable transparency in these composites.