Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 830, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2020.154482
Keywords
Oxygen sintering gas atmosphere; Magnetoelectric effect; Electrical resistivity; Ferroelectric phase; Oxygen vacancies
Categories
Funding
- National Natural Science Foundation of China [51872041]
Ask authors/readers for more resources
The effects of dynamic oxygen gas pressure during sintering on the room-temperature magnetoelectric effect (ME) of multiferroic Z-type hexaferrite Sr3Co2Fe24O41 were investigated for the first time. A maximum electrical resistivity of 2.78x10(9) Omega cm was obtained for samples sintered in a dynamic oxygen gas flow of 0.3 L/min. An important finding was that under high dynamic oxygen gas pressure during sintering a significantly broadening of the magnetic field range in which the ferroelectric phase state occurs was achieved. That is, the stability of the transverse conical spin structure is greatly enhanced by a high sintering oxygen gas pressure. Furthermore, the high sintering oxygen gas flow effectively decreases the leakage current and trapped states related to oxygen vacancies, stabilizing the ME and providing a more robust and unambiguous measurement of the magnetoelectric effect. (c) 2020 Published by Elsevier B.V.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available