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A Review of EPR Studies on Magnetization of Nanoparticles of Dilute Magnetic Semiconductors Doped by Transition-Metal Ions

Andronenko S.; Misra S. (2015)

© 2015, Springer-Verlag Wien. This article reviews recent electron paramagnetic resonance (EPR) studies on the magnetic properties of nanoparticles of dilute magnetic oxide semiconductors (DMS) doped with transition-metal ...
A variable temperature EPR study of Cu2+ doped single crystals of pyrovanadates β-Mg<inf>2</inf>V<inf>2</inf>O<inf>7</inf>, α-Zn<inf>2</inf>V<inf>2</inf>O<inf>7</inf>: Estimations of non-coincident g2-and Ã2-tensors

Misra S.; Andronenko S. (2019)

© Kazan Federal University (KFU). Full angular variations of Cu2+ EPR spectra in β-Mg2V2O7 (MgVO) and α-Zn2V2O7 (ZnVO) were recorded for orientations of external magnetic field in three mutually perpendicular planes at 120 ...
An X- and Q-band Fe3+ EPR study of nanoparticles of magnetic semiconductor Zn1-xFexO

Misra S.; Andronenko S.; Thurber A.; Punnoose A.; Nalepa A. (2014)

EPR studies on two types of nanoparticles of Fe3+ doped, 0.1-10%, ZnO, NL and QJ, prepared using similar chemical hydrolysis methods, in diethylene glycol, and in denatured ethanol solutions, respectively, were carried out ...
An X- and Q-band Fe3+ EPR Study of Nanoparticles of Magnetic Semiconductor Zn1-xFexO

Misra S.; Andronenko Sergej Ivanovich; Thurber A.; Punnoose A.; Nalepa A. (2014)
An X- and Q-band Gd 3 EPR study of a single crystal of EuAlO 3: EPR linewidth variation with temperature and low-symmetry effects

Andronenko S.; Andronenko R.; Misra S. (2012)

Detailed electron paramagnetic resonance (EPR) studies on a single crystal of Gd 3-doped Van-Vleck compound EuAlO 3, potentially a phosphorescent/luminescent/laser material, with the Gd 3 ion substituting for the Eu 3 ion, ...
An X-band Co2+ EPR study of Zn<inf>1-x</inf>Co<inf>x</inf>O (x=0.005-0.1) nanoparticles prepared by chemical hydrolysis methods using diethylene glycol and denaturated alcohol at 5 K

Misra S.; Andronenko S.; Srinivasa Rao S.; Chess J.; Punnoose A. (2015)

© 2015 Elsevier B.V. EPR investigations on two types of dilute magnetic semiconductor (DMS) ZnO nanoparticles doped with 0.5-10% Co2+ ions, prepared by two chemical hydrolysis methods, using: (i) diethylene ...
Electron paramagnetic resonance study of (La 0.33Sm 0.67) 0.67Sr 0.33-xBa xMnO 3 (x<0.1): Griffiths phase

Andronenko S.; Rodionov A.; Fedorova A.; Misra S. (2013)

Manganite compounds (La 0.33Sm 0.67) 0.67Sr 0.33-xBa xMnO 3 with light Ba doping (x=0.01-0.09) have been investigated by electron paramagnetic resonance over the temperature range 110-450 K. It was found that the EPR ...
Electron spin-lattice relaxation of Yb3+ and Gd3+ ions in glasses

Vergnoux D.; Zinsou P.; Zaripov M.; Ablart G.; Pescia J.; Misra S.; Rakhmatullin R.; Orlinskii S. (1996)

The electron spin-lattice relaxation rate (T1 -1) was measured in two glass samples: (i) a phosphate glass doped with 1 wt% Yb2O3 and (ii) a Li2Si4O9 glass sample doped with 0.2 wt% Gd2O3. In the Yb3+-doped glass sample, ...
EPR and Magnetization Studies of Polymer-Derived Fe-Doped SiCN Nanoceramics Annealed at Various Temperatures: Blocking Temperature, Superparamagnetism and Size Distributions

Misra S.; Andronenko S.; Gilmutdinov I.; Yusupov R. (2018)

© 2018, Springer-Verlag GmbH Austria, part of Springer Nature. X-band EPR spectra on SiCN ceramics, doped with Fe(III) ions, annealed at 800 °C, 1000 °C, 1100 °C, 1285 °C, and 1400 °C have been simulated to understand ...
EPR and magnetization studies of the manganites La<inf>0.7-x</inf>Eu<inf>x</inf>Sr<inf>0.3</inf>MnO<inf>3</inf> (x = 0.4, 0.5, 0.6, 0.7) and La<inf>0.3</inf>Nd<inf>0.4</inf>Sr<inf>0.3</inf>MnO<inf>3</inf> at different temperatures: Conductivity due to hopping of small polarons

Misra S.; Andronenko S.I.; Padia P.; Vadnala S.; Asthana S. (2021)

Four Eu-Sr manganites, La0.7-xEuxSr0.3MnO3; x = 0.4, 0.5, 0.6, 0.7, and one Nd-Sr manganite Nd0.4La0.3Sr0.3MnO3, were studied by EPR (electron paramagnetic resonance) at 9.6 GHz at temperatures in the range 175 – 400 K. ...
EPR/FMR Investigation of Mn-Doped SiCN Ceramics

Andronenko S.; Leo A.; Stiharu I.; Misra S. (2010)

SiCN magnetic ceramics doped with Mn 2+ ions were synthesized at the pyrolysis temperature of 1,100°C, using CERASET™ as liquid polymer precursor and polymer manganese(II) acetylacetonate as dopant, and investigated by ...
EPR/FMR, FTIR, X-Ray and Raman investigations of Fe-Doped SiCN Ceramics

Andronenko S.; Stiharu I.; Menard D.; Lacroix C.; Misra S. (2010)

SiCN magnetic ceramics doped with Fe ions were synthesized at different pyrolysis temperatures in the range from 600 to 1600°C. Several phases of ceramics were detected using the techniques of electron paramagnetic ...
Ferromagnetism in annealed ce0-95Co0-05O2 and Ce0-95Ni0-05O2 nanoparticles

Misra S.; Andronenko S.; Harris J.; Thurber A.; Beausoleil G.; Punnoose A. (2013)

This paper reports an investigation on the role of transition-metal ions in producing ferromagnetism in CeO2 nanoparticles by electron paramagnetic resonancePR). Several samples of CeO2 nanoparticles annealed at 200, 300, ...
Study of paramagnetic defect centers in as-grown and annealed TiO2 anatase and rutile nanoparticles by a variableerature X-band and high-frequency (236 GHz) EPR

Misra S.; Andronenko S.; Tipikin D.; Freed J.; Somani V.; Prakash O. (2016)

© 2015 Elsevier B.V. All rights reserved. Detailed EPR investigations on as-grown and annealed TiO2 nanoparticles in the anatase and rutile phases were carried out at X-band (9.6 GHz) at 77, 120-300 K and at 236 GHz at 292 ...

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