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The magnetic susceptibility, crystal and magnetic structures, and electronic structure of double perovskite Sr2ScOsO6 are reported. Using both neutron and x-ray powder diffraction we find that the crystal structure is monoclinic P21/n from…

Strongly Correlated Electrons · Physics 2015-04-06 A. E. Taylor , R. Morrow , D. J. Singh , S. Calder , M. D. Lumsden , P. M. Woodward , A. D. Christianson

We report on atomic ordering of B-site transition-metals and magnetic properties of epitaxial La2CrFeO6 double-perovskite films grown by pulsed-laser deposition under various conditions. The highest ordered sample exhibited a fraction of…

Materials Science · Physics 2011-08-01 S. Chakraverty , A. Ohtomo , D. Okuyama , M. Saito , M. Okude , R. Kumai , T. Arima , Y. Tokura , S. Tsukimoto , Y. Ikuhara , M. Kawasaki

We report experimental and theoretical studies of magnetic and related properties of ErRuSi compound. Various experimental techniques such as neutron diffraction, magnetization, magneto-thermal, magneto-transport, optical have been used to…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin Gupta , A. Das , K. G. Suresh , A. Hoser , Yu. V. Knyazev , Yu. I. Kuz'min , A. V. Lukoyanov

The compound Ba3HoRu2O9 magnetically orders at 50 K (TN1) followed by another complex magnetic ordering at 10.2 K (TN2). The 2nd magnetic phase transition was characterized by the co-existence of two competing magnetic ground states…

Strongly Correlated Electrons · Physics 2024-06-18 E. Kushwaha , G. Roy , M. Kumar , A. M. dos Santos , S. Ghosh , D. T. Adroja , V. Caignaert , O. Perez , A. Pautrat , T. Basu

Double perovskites containing 4d--4f interactions provide a platform to study complex magnetic phenomena in correlated systems. Here, we investigate the magnetic ground state and quasiparticle excitations of the fascinating double…

We have performed dielectric measurements and neutron diffraction experiments on the double perovskite In2NiMnO6. A ferroelectric polarization, P ~ 30 {\mu}C/m2, is observed in a polycrystalline sample below TN = 26 K where a magnetic phase…

Double perovskites like Sr$_2$FeMoO$_6$ are materials with half-metallic ground states and ferrimagnetic T$_{\rm{c}}$'s well above room temperature. This paper is the second of our comprehensive theory for half metallic double perovskites.…

Strongly Correlated Electrons · Physics 2013-04-08 Onur Erten , O. Nganba Meetei , Anamitra Mukherjee , Mohit Randeria , Nandini Trivedi , Patrick Woodward

We report magneto-dielectric properties of partially B-site ordered monoclinic Tb2CoMnO6 double perovskite thin film epitaxially grown by metalorganic aerosol deposition technique. Transmission electron microscopy and electron energy loss…

Strongly Correlated Electrons · Physics 2020-03-25 R. Mandal , M. Chandra , V. Roddatis , M. Tripathi , R. Rawat , R. J. Choudhary , V. Moshnyaga

We report the magnetic susceptibility and the low-temperature specific heat of a double perovskite compound, Sr2CuTeO6, which is expected as the spin-1/2 square-lattice Heisenberg antiferromagnet with nearest-neighbor J1 and…

Strongly Correlated Electrons · Physics 2015-06-23 Tomoyuki Koga , Nobuyuki Kurita , Hidekazu Tanaka

Magnetic anisotropy has been measured for the ferromagnetic La0.7Sr0.3CoO3 perovskite from an analysis of the high-field part of the magnetization vs. field curves, i.e., the magnetic saturation regime. These measurements give a magnetic…

Strongly Correlated Electrons · Physics 2009-11-10 J. Mira , J. Rivas , M. Vazquez , M. R. Ibarra , R. Caciuffo , M. A. Senaris Rodriguez

We investigate partially disordered antiferromagnetism in CoCl$_2$-2SC(NH$_2$)$_2$, in which a-b plane hexagonal layers are staggered along the c-axis, rather than stacked. A robust 1/3 state forms in applied magnetic fields which the spins…

Exchange bias effect in the ferromagnetic double perovskite compound Y$_2$CoMnO$_6$, which is also a multiferroic, is reported. The exchange bias, observed below 8~K, is explained as arising due to the interface effect between the…

Disordered Systems and Neural Networks · Physics 2015-06-23 Harikrishnan S. Nair , Tapan Chatterji , Andre M. Strydom

We report here a comprehensive study on structural, magnetic, caloric and electronic properties of the monoclinic phase of double perovskite compound Tm2CoMnO6 (TCMO) in its polycrysttaline format. Magnetic measurements confirm the presence…

Materials Science · Physics 2023-07-13 A. Banerjee , Gangadhar Das , V. Rajaji , S. Majumdar , P. K. Chakrabarti

Hydrostatic pressure effects on the temperature- and magnetic field dependencies of the in-plane and out-of-plane magnetization of the bi-layered perovskite Sr3Ru2O7 have been studied by SQUID magnetometer measurements under a hydrostatic…

Materials Science · Physics 2009-11-10 Yuri V. Sushko , Bruno DeHarak , Gang Cao , G. Shaw , D. K. Powell , J. W. Brill

Sr$_{2}$FeMoO$_6$ is a double perovskite compound, known for its high temperature behavior. Combining different magnetic and spectroscopic tools, we show that this compound can be driven to rare example of antiferromagnetic metallic state…

Cu3Nb2O8 is an unusual multiferroic compound that undergoes a series of magnetic ordering at low temperatures. Concurrent development of electric polarization has been reported at TN1 ~25 K corresponding to a non-collinear helicoidal…

Strongly Correlated Electrons · Physics 2015-06-22 G. Sharma , J. Saha , S. D. Kaushik , V. Siruguri , S. Patnaik

Double perovskites provide a unique opportunity to induce and control multiferroic behaviors in oxide systems. The appealing possibility to design materials with a strong coupling between the magnetization and the polarization fields may be…

Materials Science · Physics 2009-04-06 M. P. Singh , K. D. Truong , P. Fournier , P. Rauwel , E. Rauwel , L. P. Carignan , D. Menard

A new series of cubic double perovskites Ba$_2R_{2/3}$TeO$_6$ ($R$ = Y, La, Pr, Nd, Sm-Lu) was synthesized via solid state reaction. The $R^{3+}$ and Te$^{6+}$ ions are ordered on alternating octahedral sites, with the rare earth sites 2/3…

Materials Science · Physics 2019-03-14 Tai Kong , Robert J. Cava

In this work, we report on the synthesis and magnetic properties of a series of double perovskites Ln$_2$ZnIrO$_6$ with Ln = Nd, Sm, Eu & Gd. These compounds present new examples of the rare case of double perovskites (general formula…

Strongly Correlated Electrons · Physics 2020-05-27 M. Vogl , R. Morrow , A. A. Aczel , R. Beltran Rodriguez , A. U. B. Wolter , S. Wurmehl , S. Aswartham , B. Büchner

Powder neutron diffraction experiments have been employed to establish the effects of site-selective magnetic dilution in the Sm2MnMnMn4-x Tix O12 A-site columnar ordered quadruple perovskite manganites (x = 1, x = 2 and x = 3). We show…

Strongly Correlated Electrons · Physics 2021-01-04 Anuradha M. Vibhakar , Dmitry D. Khalyavin , Pascal Manuel , Ran Liu , Kazunari Yamaura , Alexei A. Belik , Roger D. Johnson