Tunable sub-terahertz resonance absorption in high-coercivity magnetodielectric ceramics

EA Gorbachev, LN Alyabyeva, AV Pronin… - Materials …, 2024 - pubs.rsc.org
Recently, giant coercivities (20–42 kOe) and sub-terahertz natural ferromagnetic resonance
(NFMR) at 100–300 GHz were observed for single-domain M-type hexaferrite particles with …

Magnetic anisotropy and (BH) max studies in microwave sintered Al-substituted strontium hexaferrite

SN Rout, MK Manglam, J Mallick, S Datta… - Physica B: Condensed …, 2023 - Elsevier
Al-substituted strontium hexaferrite (SrFe 12-x Al x O 19) has been synthesized by the sol-
gel auto-combustion method, followed by microwave sintering at 1100° C. The Rietveld …

Synthesis and characterization of Tb doped Ni–Zn nano ferrites as substrate material for dual band MIMO antenna

RM Asif, A Aziz, MN Akhtar, M Amjad… - Physica B: Condensed …, 2023 - Elsevier
Recently, ferrite materials with outstanding characteristics, like reflection and absorption
ability, lightweight, and thinness in size, are essential to resolve electromagnetic …

Hard magnetic colloidal nanoplates with tunable size for magneto-optical applications

J Chen, J Duan, EO Anokhin, Z **a… - Journal of Materials …, 2024 - pubs.rsc.org
We have synthesized highly anisotropic plate-like nanoparticles of aluminum-substituted
strontium hexaferrite via the crystallization of 4Na2O× 9SrO× 5.5 Fe2O3× 4.5 Al2O3× 4B2O3 …

High-coercivity hexaferrite ceramics featuring sub-terahertz ferromagnetic resonance

EA Gorbachev, LA Trusov, LN Alyabyeva… - Materials …, 2022 - pubs.rsc.org
Herein, we demonstrate for the first time compact ferrite ceramics with giant coercivity. The
materials are manufactured via sintering single-domain Sr0. 67Ca0. 33Fe8Al4O19 particles …

Submicron particles of Ga-substituted strontium hexaferrite obtained by a citrate auto-combustion method

EA Gorbachev, LA Trusov, M Wu, AV Vasiliev… - Journal of Materials …, 2021 - pubs.rsc.org
In this study, we demonstrate the synthesis and the investigation of the magnetostatic and
magnetodynamic properties of single-domain gallium substituted strontium M-type …

Nanoceramics of metastable ε-Fe 2 O 3: effect of sintering on the magnetic properties and sub-terahertz electron resonance

EA Gorbachev, LN Alyabyeva, MV Soshnikov… - Materials …, 2023 - pubs.rsc.org
In this study, we demonstrate the sintering of metastable ε-Fe2O3 nanoparticles into
nanoceramics containing 98 wt% of the epsilon iron oxide phase and with a specific density …

[HTML][HTML] Synthesis and Redox Properties of Iron and Iron Oxide Nanoparticles Obtained by Exsolution from Perovskite Ferrites Promoted by Auxiliary Reactions

D Filimonov, M Rozova, S Maksimov, D Pankratov - Inorganics, 2024 - mdpi.com
Nanoparticles of iron and iron oxides, as well as their composites, are of great scientific and
technological interest. However, their properties and sustainability strongly depend on the …

Novel candidate theranostic radiopharmaceutical based on strontium hexaferrite nanoparticles conjugated with azacrown ligand

S Khabirova, G Aleshin, E Anokhin, A Shchukina… - Dalton …, 2023 - pubs.rsc.org
In this article, we report to the best of our knowledge the first modification of NPs with ligands
for combined radiopharmaceuticals. Nanoparticles with suitable magnetic properties can be …

Sandwiched CoFe 2 O 4/SrFe 11.5 Al 0.5 O 19/CoFe 2 O 4 nanoparticles with exchange-coupling effect

EA Gorbachev, LA Trusov, AD Kovalenko, AV Morozov… - Nanoscale, 2021 - pubs.rsc.org
Exchange-coupled hard/soft ferrite nanoparticles are prospective to squeeze out a part of
expensive magnets based on rare-earth elements. However, the known exchange-coupled …