Superparamagnetic blocking of an ensemble of magnetite nanoparticles upon interparticle interactions

DA Balaev, SV Semenov, AA Dubrovskiy… - Journal of Magnetism …, 2017 - Elsevier
We report on the effect of interparticle magnetic interactions in an ensemble of
superparamagnetic magnetite particles with an average size of~ 8.4 nm dispersed in the …

EPR and NEXAFS spectroscopy of BiNb1-xFexO4-δ ceramics

NА Zhuk, VP Lutoev, VA Belyy, BА Makeev… - Physica B: Condensed …, 2019 - Elsevier
The methods of EPR and NEXAFS spectroscopy were employed for the study of BiNb 1-x Fe
x O 4-δ solid solutions of triclinic and orthorhombic modifications. The analysis of the …

EPR detection of iron storage in rat tissues after simulated microgravity model

SV Yurtaeva, VN Efimov, GG Yafarova… - Applied Magnetic …, 2016 - Springer
By a method of spectroscopy of electron paramagnetic resonance the tissues of rats after
exposure of microgravity simulation (model of hindlimb unloading) were investigated. In the …

Interparticle interaction effects on the magnetocaloric properties of γ-Fe2O3 nanoparticles dispersed in polyvinyl alcohol

A Elouafi, R Moubah, S Derkaoui, A Tizliouine… - Applied Physics A, 2019 - Springer
We report on the effects of interactions on the magnetocaloric properties of γ-Fe 2 O 3
nanoparticles with an average fixed size of 4.7 nm. The influence of particles interaction was …

Broadened ferromagnetic resonance range in ferrite by gradient composition design

C Liu, Y Cao, X Zhang, H Ren, Y Zhang, Y Zhang… - Ceramics …, 2019 - Elsevier
Magnetic materials with broad ferromagnetic resonance (FMR) range have great potential in
microwave absorption field. In this work, M type barium ferrites with local chemical gradients …

EPR and magnetic properties of α-BiNb1-xFexO4-δ

NA Zhuk, LS Feltsinger, NV Chezhina… - Letters on …, 2018 - lettersonmaterials.com
The results of an investigation of the EPR and the magnetic susceptibility of BiNb1-xFexO4-δ
orthorhombic modification Iron-containing ceramic materials based on BiNbO4 of …

Features of EPR application to systems containing paramagnetic centers and ferromagnetic nanoparticles

SS Yakushkin, SN Trukhan, VF Yudanov… - Applied Magnetic …, 2010 - Springer
The scope of the electron paramagnetic resonance (EPR) technique in catalysis is often
limited because of the presence of the ferromagnetic nanoparticles in many catalytic …

Formation of disperse ferromagnetic nanoparticles in zeolites in the course of thermal activation in oxygen

ON Martyanov, VF Yudanov - Journal of Structural Chemistry, 2008 - Springer
Samples of synthetic high-silica zeolites after high-temperature activation in oxygen are
studied by ferromagnetic resonance. Observation of the fine structure of ferromagnetic …

[PDF][PDF] РОССИЙСКАЯ АКАДЕМИЯ НАУК СИБИРСКОЕ ОТДЕЛЕНИЕ

СС ЯКУШКИН - niic.nsc.ru
В большей части работ, посвященных синтезу и исследованию фазы ε-Fe2O3, авторы
преследуют цель получить наночастицы ε-Fe2O3 с наибольшим возможным размером …

Размерные эффекты и межчастичные взаимодействия в спектроскопии электронного магнитного резонанса дисперсных магнетиков и каталитических …

ОН Мартьянов - 2008 - static.freereferats.ru
Актуальность проблемы. В настоящее время существует большое количество методов,
которые позволяют исследовать дисперсные системы на атомномолекулярном уровне …