Hard ferrite magnetic insulators revealing giant coercivity and sub-terahertz natural ferromagnetic resonance at 5

Hard ferrite magnetic insulators revealing giant coercivity and sub-terahertz natural ferromagnetic resonance at 5–300 K

Published:2023 Issue:5 Volume:10 Page:1842-1847
ISSN:2051-6347
Container-title:Materials Horizons
language:en
Short-container-title:Mater. Horiz.

Author:

Gorbachev Evgeny A.¹^ORCID,Kozlyakova Ekaterina S.²^ORCID,Alyabyeva Liudmila N.³^ORCID,Ahmed Asmaa³,Trusov Lev A.¹⁴^ORCID

Affiliation:

1. Department of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia

2. Department of Physics, Lomonosov Moscow State University, Moscow, 119991, Russia

3. Laboratory of Terahertz Spectroscopy, Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny, 171701, Russia

4. Department of Materials Science, Shenzhen MSU-BIT University, Shenzhen, 518172, China

Abstract

Temperature dependencies of magnetic properties of single-domain Al-substituted hexaferrite particles were investigated. The coercivity values and natural ferromagnetic resonance frequencies pass through maxima at 180 K, reaching 42 kOe and 297 GHz.

Funder

Russian Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrical and Electronic Engineering,Process Chemistry and Technology,Mechanics of Materials,General Materials Science

Link

http://pubs.rsc.org/en/content/articlepdf/2023/MH/D3MH00089C

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