233 citations · 1.9k across the 55 of their papers we have counts for
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Designing of a magnetodielectric system in hybrid organic-inorganic framework, a perovskite layered phosphonate MnO3PC6H4-m-Br.H2O
Tathamay Basu, Clarisse Bloyet, Felicien Beaubras +11
The research on multiferrocity and magnetoelectric coupling in metal-organic system is rare. Very few hybrid organic-inorganic frameworks (HOIF) exhibit direct magnetoelectric coup…
Nanoscale ordered Layered-Segregation of Cobalt and Iron in the Perovskite SmFe0.5Co0.5O3
Nathalia E. Mordvinova, Ashish Shukla, Asish K. Kundu +4
The possibility to segregate cobalt and iron in a single perovskite, at a nanoscale in the form of layers has been investigated, using sol gel technic synthesis. Quite remarkably,…
Incipient spin-dipole coupling in a 1D helical-chain metal-organic hybrid
Tathamay Basu, Clarisse Bloyet, Jean-Michel Rueff +5
Low dimensional magnetic systems (such as spin-chain) are extensively studied due to their exotic magnetic properties. Here, we would like to address that such systems should also…
Gigantic magnetic field polarization and magnetoelectric coupling in a ferrimagnetic oxide CaBaCo4O7
V. Caignaert, A. Maignan, K. Singh +7
The single crystal study of CaBaCo4O7, a non collinear ferrimagnet (TC=64K), with a polar orthorhombic space group (Pbn21) between 4 K and 293 K, shows the appearance below TC of a…
Gallium Substituted "114" YBaFe4O7: From a ferrimagnetic cluster glass to a cationic disordered spin glass
Tapati Sarkar, V. Caignaert, V. Pralong +1
The study of the ferrites YBaFe4-xGaxO7 shows that the substitution of Ga for Fe in YBaFe4O7 stabilizes the hexagonal symmetry for 0.40 < x < 0.70, at the expense of the cubic one.…
Formation of magnetic glass in calcium doped YBaCo2O5.5 cobaltites
Tapati Sarkar, V. Pralong, B. Raveau
The d.c. magnetization and magnetic relaxation studies of the calcium doped samples, Y0.95Ca0.05BaCo2O5.5 and YBa0.95Ca0.05Co2O5.5, show the existence of a magnetic glass like beha…
Incoherent Effect of Fe and Ni Substitutions in the Ferromagnetic-Insulator La0.6Bi0.4MnO3+d
Asish K. Kundu, Md. Motin Seikh, Akhilesh Srivastava +4
A comparative study of the effect of Fe and Ni doping on the bismuth based perovskite La0.6Bi0.4MnO3.1, a projected spintronics magnetic semiconductor has been carried out. The dop…
Hysteretic "Magnetic-Transport-Structural" Transition in "114" Cobaltites: Size Mismatch Effect
Tapati Sarkar, V. Caignaert, V. Pralong +1
The triple "magnetic-transport-structural" transition versus temperature in three series of "114" cobaltites - Y1-xYbxBaCo4O7, Y1-xCaxBaCo4O7 and Yb1-xCaxBaCo4O7 - has been studied…
Magnetic and Electronic properties of Eu0.9Ca0.1BaCo2O5.5+? with the disparity of Oxygen Stoichiometry
Md. Motin Seikh, Asish K. Kundu, V. Caignaert +2
The effect of oxygen content on the magnetic and transport properties of the ferromagnetic Eu0.9Ca0.1BaCo2O5.5+δ has been carried out. Unlike the increase in TC with calcium conten…
Structural, Magnetic and Electron Transport Properties of Ordered-Disordered Perovskite Cobaltites
Asish K. Kundu, B. Raveau
Rare earth perovskite cobaltites are increasingly recognized as materials of importance due to rich physics and chemistry in their ordered-disordered structure for the same composi…
Magnetic and Electrical Properties of Ordered 112-type Perovskite LnBaCoMnO5+δ(Ln = Nd, Eu)
Asish K. Kundu, V. Pralong, B. Raveau +1
Investigation of the oxygen-deficient 112-type ordered oxides of the type LnBaCoMnO5+δ(Ln = Nd, Eu) evidences certain unusual magnetic behavior at low temperatures, compared to the…
Magnetic Structure of CaBaCo4O7: Lifting of Geometrical Frustration towards Ferrimagnetism
V. Caignaert, V. Pralong, V. Hardy +2
CaBaCo4O7 represents a new class of ferrimagnets whose structure is built up of CoO4 tetrahedra only, similarly to other members LnBaCo4O7 of the 114 series, forming an alternate s…
A Multiferroic Ceramic with Perovskite Structure: La0.5Bi0.5Mn0.5Fe0.5O3.09
Asish K. Kundu, R. Ranjith, V. Pralong +5
ABO3 perovskite multiferroic La0.5Bi0.5Mn0.5Fe0.5O3.09 where the B-site cations is responsible for the magnetic properties and the A-site cation with lone pair electron is responsi…
Electron transport and thermoelectric properties of layered perovskite LaBaCo2O5.5
Asish K. Kundu, B. Raveau, V. Caignaert +2
We have investigated the systematic transport properties of the layered 112-type cobaltite LaBaCo2O5.5 by means of electrical resistivity, magnetoresistance, electroresistance and…
Cationic Ordering and Microstructural Effects in the Ferromagnetic Perovskite La0.5Ba0.5CoO3: Impact upon Magnetotransport Properties
Eeva Leena Rautama, Philippe Boullay, Asish K. Kundu +4
The synthesis and structural study of the stoichiometric perovskite La0.5Ba0.5CoO3 have allowed three forms to be isolated. Besides the disordered La0.5Ba0.5CoO3 and the perfectly…
Enhancement of ferromagnetism by Co and Ni substitution in the perovskite LaBiMn2O6+d
Asish K. Kundu, V. Pralong, V. Caignaert +2
The substitution of cobalt and nickel for manganese in the perovskite manganate LaBiMn2O6+d; has been realized, leading to the perovskites LaBiMn2-x(M)xO6+d, with M = Co, Ni and x…
Ferromagnetism and magneto-dielectric effect in insulating LaBiMn4/3Co2/3O6 thin films
R. Ranjith, Asish K. Kundu, M. Filippi +6
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. Magnetizat…
Magneto-transport and Magneto-dielectric effect in Bi-based Perovskite Manganites
Asish K. Kundu, R. Ranjith, V. Pralong +2
The effect of cobalt and nickel substitutions for manganese on the physical properties of the perovskite manganite La1.2Bi0.8Mn2-x(Ni/Co)xO6+d, with x = 0.0-0.8, has been investiga…
Enhancement of ferromagnetism by nickel doping in the 112 cobaltite EuBaCo2O5.50
B. Raveau, Ch. Simon, V. Caignaert +2
The study of the ordered oxygen deficient perovskite EuBaCo2-xNixO5.50 shows that the doping of cobalt sites by nickel induces a strong ferromagnetic component at low temperature i…
Correlation between structure and properties in multiferroic LaCaMnO/BaTiO superlattices
M. P. Singh, W. Prellier, L. Mechin +2
Superlattices composed of ferromagnetics, namely LaCaMnO (LCMO), and ferroelectrics, namely, BaTiO(BTO) were grown on SrTiO at 720C by pulsed laser…
Magnetocapacitance effect in perovskite-superlattice based multiferroics
M. P. Singh, W. Prellier, Ch. Simon +1
We report the structural and magnetoelectrical properties of LaCaMnO/BaTiO perovskite superlattices grown on (001)-oriented SrTiO by the pulsed laser de…
Tailoring of ferromagnetic Pr0.85Ca0.15MnO3/ferroelectric Ba0.6Sr0.4TiO3 superlattices for multiferroic properties
P. Murugavel, D. Saurel, W. Prellier +2
Superlattices composed of ferromagnetic Pr0.85Ca0.15MnO3 and ferroelectric Ba0.6Sr0.4TiO3 layers were fabricated on (100) SrTiO3 substrates by a pulsed-laser deposition method. The…
Field-Induced Magnetization Steps in Intermetallic Compounds and Manganese Oxides: The Martensitic Scenario
V. Hardy, S. Majumdar, S. Crowe +9
Field-induced magnetization jumps with similar characteristics are observed at low temperature for the intermetallic germanide Gd5Ge4and the mixed-valent manganite Pr0.6Ca0.4Mn0.96…
Staircase-like metamagnetic transitions in phase-separated manganites: influence of thermal and mechanical treatments
V. Hardy, C. Yaicle, S. Hebert +4
Substitutions in the Mn-sublattice of antiferromagnetic, charge and orbitally ordered manganites was recently found to produce intriguing metamagnetic transitions, consisting of a…