Mössbauer analysis and cation distribution of Zn substituted BaFe12O19 hexaferrites
[ X ]
Tarih
2018
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer New York LLC
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Barium hexaferrite is a well-known hard magnetic material. Doping using nonmagnetic cation such as Zn2+ were found to enhance magnetization owing to preferential tetrahedral site (4 f 1) occupancy of the zinc. However, the distribution of cations in hexaferrites depends on many factors such as the method of preparation, nature of the cation, and chemical composition. Here, Zn-doped barium hexaferrites (Ba1?xZnxFe12O19) were synthesized by sol-gel method. In this study, we summarized the magnetic properties of Ba1?xZnxFe12O19 (x = 0, 0.1, 0.2, 0.3) BaM, investigated by Mössbauer spectroscopy. Moreover, cation distribution was also calculated for all the products. Mössbauer parameters were determined from 57Fe Mössbauer spectroscopy and according to it, the replacement of Ba-Zn affects all parameters such as isomer shift, the variation in line width, hyperfine magnetic field, and quadrupole splitting. Cation distribution revealed the relative area of undoped BaM, 12k, 2a, and 4 f 2 positions which are close to theoretical values.
Açıklama
Anahtar Kelimeler
Cation Distribution, Hexaferrites, Hyperfine Interactions, Superparamagnetism
Kaynak
Journal of Superconductivity and Novel Magnetism
WoS Q Değeri
N/A
Scopus Q Değeri
Q2
Cilt
31
Sayı
1
Künye
Auwal, I. A., Demir Korkmaz, A., Amir, M. D., Asiri, S. M., Baykal, A., Güngüneş, H., Shirstah, S. E. (2018). Mössbauer analysis and cation distribution of Zn substituted BaFe12O19 hexaferrites. Journal of Superconductivity and Novel Magnetism, 31(1), 151-156.
