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Related papers: Magnetodielectric behavior in La2CoMnO6 nanopartic…

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We report magnetic, dielectric and magnetodielectric responses of pure monoclinic bulk phase of partially-disordered La2NiMnO6, exhibiting a spectrum of unusual properties and establish that this system intrinsically is a true multiglass…

The dielectric properties of Fe$_{3}$O$_{4}$ magnetic nanoparticles with an insulating coating layer of SiO$_{2}$ were investigated. At high temperatures, the changes of the dielectric constant and loss induced by the magnetic field are…

Materials Science · Physics 2011-03-18 C. -C. Chang , L. Zhao , M. -K. Wu

We prospect magneto-dielectricity in $La_{0.53}Ca_{0.47}MnO_{3}$ across its paramagnetic (PMI) to ferromagnetic (FMM) isostructural transition at $T_{C} \sim 253K$, by magnetic ($(M)$), caloric ($(W)$), dielectric ($(\epsilon')$),…

Materials Science · Physics 2017-07-26 Suchita Pandey , Jitender Kumar , A. M. Awasthi

Magnetic study on La2CoMnO6 nanoparticles revealed multiple magnetic transitions at 218 K, 135 K and below 38 K and the nature of the low temperature transition was unclear [J Appl Phys 111, 024102 2012]. Presence of mixed valance states of…

Materials Science · Physics 2013-04-30 J. Krishna murthy , A. Venimadhav

The dielectric properties of MnFe$_2$O$_4$ and $\gamma$-Fe$_2$O$_3$ magnetic nanoparticles embedded in insulating matrices were investigated. The samples showed frequency dependent dielectric anomalies coincident with the magnetic blocking…

Materials Science · Physics 2007-05-23 G. Lawes , R. Tackett , O. Masala , B. Adhikary , R. Naik , R. Seshadri

We report a detailed magnetic, dielectric and Raman studies on partially disordered and biphasic double perovskite La2NiMnO6. DC and AC magnetic susceptibility measurements show two magnetic anomalies at TC1 ~ 270 K and TC2 ~ 240 K, which…

Materials Science · Physics 2015-06-18 Pradeep Kumar , S. Ghara , B. Rajeswaran , D. V. S. Muthu , A. Sundaresan , A. K. Sood

Measurements of magnetization, specific heat, electrical resistivity, Hall effect, and magnetoresistance on single crystalline samples of LaFeAsO grown in a NaAs flux are reported. While this material is known to be a semimetal, the…

Superconductivity · Physics 2015-06-16 C. A. McElroy , J. J. Hamlin , B. D. White , M. A. McGuire , B. C. Sales , M. B. Maple

We report multiferroic behavior in double perovskite Y2CoMnO6 with ferroelectric transition temperature Tc = 80K. The origin of ferroelectricity is associated with magnetic ordering of Co2+ and Mn4+ moments in a up-up-down-down arrangement.…

Materials Science · Physics 2015-06-15 G. Sharma , J. Saha , S. Patnaik

Magnetic dc susceptibility between 1.5 and 800 K, ac susceptibility and magnetization, thermodynamic properties, temperature dependence of radio and audio-wave dielectric constants and conductivity, contact-free dielectric constants at…

Materials Science · Physics 2010-07-22 Jun Lu , A. Günther , F. Schrettle , F. Mayr , S. Krohns , P. Lunkenheimer , A. Pimenov , V. D. Travkin , A. A. Mukhin , A. Loidl

High quality epitaxial thin films of LaBiMn4/3Co2/3O6 perovskite were fabricated on (001)-oriented SrTiO3 and LaAlO3 substrates by the pulsed laser deposition technique. Magnetization measurements reveal a strong magnetic anisotropy and a…

Materials Science · Physics 2008-02-18 R. Ranjith , Asish K. Kundu , M. Filippi , B. Kundys , W. Prellier , B. Raveau , J. Laverdiere , M. P. Singh , S. Jandl

We have studied the magnetic field effect on low frequency dielectric properties of Pr0.6Ca0.4MnO3/polyvinylidene fluoride nanocomposite with 22.5% volume fraction of Pr0.6Ca0.4MnO3 nanoparticles. A strong magnetodielectric response was…

Materials Science · Physics 2011-12-16 K. Devi Chandrasekhar , A. K. Das , A. Venimadhav

The La2CoMnO6 (LCMO) perovskite has received a lot of attention due to its near room temperature magnetodielectric effect. Despite the recent efforts, the mechanism ruling the correlation between its magnetic and dielectric properties is…

We present a large magnetodielectric (MD) effect of 65 % at 100 kHz with 5 T field in B-site ordered La2CoMnO6 (LCMO) polycrystalline sample. Frequency and temperature dependent impedance and dielectric studies under magnetic field divulge…

Materials Science · Physics 2014-11-11 J. Krishna Murthya , K. Devi Chandrasekhar S. Murugavel , A. Venimadhav

The dc resistivity, magnetoresistance and magnetic susceptibility of La(1-x)SrxCoO3 compounds have been investigated in the temperature range of 4K to 300K for magnetic fields up to 7 T. In the doping range studied (0.05 - x - 0.25) the…

Condensed Matter · Physics 2009-10-28 Vladimir Golovanov , Laszlo Mihaly , A. R. Moodenbaugh

The dielectric behavior of half doped manganites La0.5Ca0.5-xSrxMnO3 (0.1 \leq \times \leq 0.4) with varying magnetic ground states has been studied. The real part of relative permittivity as a function of temperature {\epsilon}^'(T),…

Materials Science · Physics 2015-05-20 Indu Dhiman , S. K. Deshpande , A. Das

Among multifunctional double perovskite oxides, La2NiMnO6 has recently drawn significant attention due to its importance both in terms of understanding of fundamental physics and potential for device applications. The relative alteration in…

Good quality and fine grain Bi6Fe2Ti3O18 magnetic ferroelectric films with single-phase layered perovskite structure have been successfully prepared via metal organic decomposition (MOD) method. Results of low-temperature magnetocapacitance…

Materials Science · Physics 2007-05-23 J. Lu , L. J. Qiao , X. Q. Ma , W. Y. Chu

Structural, magnetization, phonon behavior, and dielectric response of nano-crystalline Gd$_2$CoMnO$_6$ have been presented in this paper. The study shows that the material crystallizes in $\textit{P2$_1$/n}$ phase group of the monoclinic…

Strongly Correlated Electrons · Physics 2020-04-03 Ilyas Noor Bhatti , Imtiaz Noor Bhatti , Rabindra Nath Mahato , M. A. H. Ahsana

Structural, magnetic and dielectric properties have been studied for Yb$_2$CoMnO$_6$. Nano-crystalline sample of Yb$_2$CoMnO$_6$ synthesized by sol-gel method and structural analysis shows that the sample crystallizes in monoclinic crystal…

Strongly Correlated Electrons · Physics 2020-10-28 Ilyas Noor Bhatti , Imtiaz Noor Bhatti , Rabindra Nath Mahato , M. A. H. Ahsan

Magnetization, magnetoresistance, and magnetodielectric measurements have been carried out on the half doped charge ordered manganite, Pr_0.5Ca_0.5MnO_3. The low temperature state is found to be strongly dependent on the oxygen…

Strongly Correlated Electrons · Physics 2009-04-29 A. Karmakar , S. Majumdar , A. K. Singh , S. Patnaik , S. Giri
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