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Structural study of thick hexaferrite films
Koutzarova, T.; Georgieva, B.; Kolev, S. et al.
2020 • In Journal of Physics. Conference Series, 1492, p. 012064
Peer Reviewed verified by ORBi
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https://hdl.handle.net/2268/249177
DOI
10.1088/1742-6596/1492/1/012064
 

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Keywords :
Alumina; Aluminum oxide; Barium compounds; Cobalt compounds; Drops; Ferrite; Iron compounds; Magnesium compounds; Microstructure; Morphology; Particle size analysis; Powders; Screen printing; Strontium compounds; Thick films; Zinc compounds; Annealing process; Drop casting; Hexaferrites; Hexagonal particles; Micro-structural properties; Microstructural analysis; Polycrystalline; Structural studies
Abstract :
[en] We present details of the microstructural properties of Y- (Ba2Mg2Fe12O22, Ba0.5Sr1.5Zn2Fe12O22, Ba0.5Sr1.5Zn2Al0.08Fe11.92O22) and Z-type (Sr3Co2Fe24O41) hexaferrite thick films deposited by screen printing and drop casting on unpolished polycrystalline Al2O3 substrates. The hexaferrites thick films obtained by drop casting exhibited considerable roughness and porousness compared with those obtained by screen printing. We found that the powders' morphology significantly affects the microstructure of the thick films formed by screen printing. The microstructural analysis of the thick films shows that their microstructure differs from that of the powders. Further, during the annealing process the grains in the thick films grow and form hexagonal particles, the latter having the largest size, best shape and being best observed in the case of the Ba2Mg2Fe12O22 film. © 2020 IOP Publishing Ltd. All rights reserved.
Disciplines :
Physics
Chemistry
Author, co-author :
Koutzarova, T.;  Acad. Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria
Georgieva, B.;  Acad. Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria
Kolev, S.;  Acad. Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria
Ghelev, Ch;  Acad. Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria
Krezhov, K.;  Acad. Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria
Kovacheva, D.;  Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bld. 11, Sofia, 1113, Bulgaria
Vertruyen, Bénédicte  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale
Closset, Raphaël ;  Université de Liège - ULiège > Département de chimie (sciences) > Département de chimie (sciences)
Tran, L.-M.;  Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2, Wroclaw, 50-422, Poland
Zaleski, A.;  Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2, Wroclaw, 50-422, Poland
Language :
English
Title :
Structural study of thick hexaferrite films
Publication date :
2020
Event name :
21st International Summer School on Vacuum, Electron and Ion Technologies, VEIT 2019
Event place :
Sozopol, Bulgaria
Event date :
23 September 2019 through 27 September 2019
Audience :
International
Journal title :
Journal of Physics. Conference Series
ISSN :
1742-6588
eISSN :
1742-6596
Publisher :
Institute of Physics Publishing
Volume :
1492
Pages :
012064
Peer reviewed :
Peer Reviewed verified by ORBi
Additional URL :
https://doi.org/10.1088/1742-6596/1492/1/012064
Funders :
BAS - Bulgarian Academy of Sciences [BG]
WBI - Wallonie-Bruxelles International [BE]
Available on ORBi :
since 03 July 2020

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