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Related papers: Disorder Induced Ferromagnetism in CaRuO3

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Ferromagnetism and superconductivity are in most cases adverse. However, recent experiments reveal that they coexist at interfaces of LaAlO3 and SrTiO3. We analyze the magnetic state within density functional theory and provide evidence…

Strongly Correlated Electrons · Physics 2012-01-20 N. Pavlenko , T. Kopp , E. Y. Tsymbal , G. A. Sawatzky , J. Mannhart

The behavior of the so-called weak moment antiferromagnetic states, observed in the heavy-fermion superconductors UPt$_3$ and URu$_2$Si$_2$, is discussed in view of recent $\mu$SR results obtained as function of control parameters like…

Strongly Correlated Electrons · Physics 2007-05-23 A. Amato , M. J. Graf , A. de Visser , H. Amitsuka , D. Andreica , A. Schenck

Nominally pure nanocrystalline KTaO3 was thoroughly investigated by micro-Raman and magnetic resonance spectroscopic techniques. In all samples the defect driven ferroelectricity and magnetism are registered. Both ordering states are…

At room temperature, GdMnO3 is a paraelectric and paramagnetic with a distorted perovskite structure of orthorhombic symmetry (space group Pnma). On cooling, it undergoes a phase transition sequence to a magnetic incommensurate phase…

Materials Science · Physics 2007-09-24 J. L. Ribeiro

We report a uniaxial pressure-dependence of magnetism in layered perovskite strontium ruthenate Sr3Ru2O7. By applying a relatively small uniaxial pressure, greater than 0.1 GPa normal to the RuO2 layer, ferromagnetic ordering manifests…

Magnetoelectric effects are investigated ab-initio at the interface between half-metallic and ferroelectric prototypes: Heusler Co$_2$MnSi and perovskite BaTiO$_3$. For the Co-termination ferroelectricity develops in BaTiO$_3$ down to…

Materials Science · Physics 2009-11-13 Kunihiko Yamauchi , Biplab Sanyal , Silvia Picozzi

Hybrid transition metal oxides continue to attract attention due to their multiple degrees of freedom ($e.g.$, lattice, charge, spin, and orbital) and versatile properties. Here we investigate the magnetic and electronic properties of the…

Strongly Correlated Electrons · Physics 2022-05-17 Ke Yang , Wenjing Xu , Di Lu , Yuxuan Zhou , Lu Liu , Yaozhenghang Ma , Guangyu Wang , Hua Wu

Neutron diffraction, magnetization, resistivity, and heat capacity measurements on the 6H-perovskite Ba3BiRu2O9 reveal simultaneous magnetic and structural dimerization driven by strong magnetoelastic coupling. An isostructural but strongly…

Strongly Correlated Electrons · Physics 2015-06-03 Wojciech Miiller , Maxim Avdeev , Qingdi Zhou , Andrew J. Studer , Brendan J. Kennedy , Gordon J. Kearley , Chris D. Ling

The consecutive magnetic ordering of the Ho and Ru ions in the pyrochlore Ho2Ru2O7 and their interplay are investigated by neutron scattering, magnetic and specific heat measurements. The Ru moments order at 95 K into a $\Gamma_5$…

Recently, the perovskite BiCoO$_3$ has been shown experimentally to be isostructural with PbTiO$_3$, while simultaneously the $d^6$ Co$^{3+}$ ion has a high spin ground state with $C$-type antiferromagnetic ordering. Using hybrid density…

Materials Science · Physics 2016-05-04 Leigh Weston , Xiangyuan Cui , Simon P. Ringer , Catherine Stampfl

We have investigated the electronic and magnetic properties of perovskite SrRu1-xIrxO3 thin films grown by pulsed laser deposition on atomically-flat (001) SrTiO3 substrates. SrRuO3 has the properties of a ferromagnetic metal with Curie…

Strongly Correlated Electrons · Physics 2015-09-11 Abhijit Biswas , Yong Woo Lee , Yoon Hee Jeong

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

4$d$ transition metal oxide (TMO) offers an intriguing puzzle for their electronic and magnetic ground state. They are in the cross-over regime of strong spin orbit interaction (SOI) and electron-electron correlation ($U$) with quenched…

Strongly Correlated Electrons · Physics 2025-12-15 Asha Ann Abraham , Roumita Roy , Ruta Kulkarni , Sudipta Kanungo , Soham Manni

We have performed a resonant x-ray scattering study at the Co pre-K edge on a single crystal of Ca3Co2O6. The measurements reveal an abrupt transition to a magnetically ordered state immediately below T_N = 25 K, with a magnetic correlation…

Other Condensed Matter · Physics 2008-05-10 S. Agrestini , C. Mazzoli , A. Bombardi , M. R. Lees

A complete solid solution series between the t2g^4 perovskite ferromagnet SrRuO3 and the diamagnetic t2g^6 perovskite LaRhO3 has been prepared. The evolution with composition x in (SrRuO3)(1-x)(LaRhO3)(x) of the crystal structure and…

Materials Science · Physics 2012-10-03 Phillip T. Barton , Ram Seshadri , Matthew J. Rosseinsky

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 responsible for the ferroelectric properties was synthesized at…

Materials Science · Physics 2008-08-25 Asish K. Kundu , R. Ranjith , V. Pralong , N. Nguyen , B. Kundys , V. Caignaert , W. Prellier , B. Raveau

We studied structural, electronic and magnetic properties of a cubic perovskite BaFeO$_{3-\delta}$ ($0 \le \delta \le 0.5$) within the density functional theory using a generalized gradient approximation and a GGA+U method. According to our…

Materials Science · Physics 2016-01-20 I. V. Maznichenko , S. Ostanin , L. V. Bekenov , V. N. Antonov , I. Mertig , A. Ernst

We have studied magnetic and transport properties in polycrystalline CaRu1-xScxO3 for 0 =< x =< 0.20 in order to clarify the substitution effects of a non-magnetic trivalent ion. We find that a ferromagnetic transition with Tc = 30 K is…

Strongly Correlated Electrons · Physics 2014-12-23 Takafumi D. Yamamoto , Ryuji Okazaki , Hiroki Taniguchi , Ichiro Terasaki

The present study summerizes magnetic and Mossbauer measurements on ceramic Li2MO3 M= Mn, Ru and Ir and the mixed Li2(Mn1-xRux)O3 materials, which show many of the features reflecting to antiferromagnetic ordering or to existence of…

Materials Science · Physics 2009-11-07 I. Felner , I. M. Bradaric

URu$_2$Si$_2$ is surely one of the most mysterious of the heavy-fermion compounds. Despite more than twenty years of experimental and theoretical works, the order parameter of the transition at $T_0 = 17.5$ K is still unknown. The state…

Strongly Correlated Electrons · Physics 2012-03-06 G. W. Scheerer , W. Knafo , D. Aoki , G. Ballon , A. Mari , D. Vignolles , J. Flouquet
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