Dielectric and magnetic response of SrFe12O19-CoFe2O4 composites obtained by solid state reaction
PBN-AR
Instytucja
Instytut Fizyki Molekularnej Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Materials Science and Engineering B-Advanced Functional Solid-State Materials
ISSN
0921-5107
EISSN
Wydawca
ELSEVIER SCIENCE BV
DOI
URL
Rok publikacji
2016
Numer zeszytu
Strony od-do
47-55
Numer tomu
207
Link do pełnego tekstu
Identyfikator DOI
Liczba arkuszy
Autorzy
Pozostali autorzy
+ 2
Streszczenia
Język
en
Treść
Nanocomposites of hard magnetic SrFe12O19 hexaferrite and soft magnetic CoFe2O4 spinel with exchange spring interaction were obtained by simple solid state reaction during 8 h and 14 hat 1050 degrees C. The structure and morphology of the composites was characterized by X-ray diffraction, infrared spectroscopy and scanning electron microscopy. Dielectric and electric response of the composites were found to be similar to the behavior of other ferrites and can be well described within the Koops model of the ceramic consisting of highly conducting grains separated by poorly conducting grain boundaries. Single-phase magnetic hysteresis loops obtained for SrFe12O19/CoFe2O4 composites with weight ratio 4:1 containing similar to 1 wt.\% hematite. The difference in magnetization below the temperature of irreversibility, measured in field cooling and zero field cooling experiments in fields exceeding doubled coercivity, was found to be greater for composites synthesized during 4-14 h than that obtained for 22 h. (C) 2016 Elsevier B.V. All rights reserved.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
738974
CrossrefMetadata from Crossref logo
Cytowania
Liczba prac cytujących tę pracę
Brak danych
Referencje
Liczba prac cytowanych przez tę pracę
Brak danych