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The structural properties of BiMn$O_3$ were determined from neutron powder diffraction data as a function of temperature and magnetic field. The structure at all temperatures was found to be centrosymmetric with space group $C2/c$, which is…

Strongly Correlated Electrons · Physics 2009-11-13 E. Montanari , G. Calestani , L. Righi , E. Gilioli , F. Bolzoni , K. S. Knight , P. G. Radaelli

We have performed an extensive test of the ability of density functional theory within several approximations for the exchange-correlation functional, local density approximation+Hubbard $U$ and local density approximation + dynamic mean…

Strongly Correlated Electrons · Physics 2014-10-28 Oscar Grånäs , Igor di Marco , Olle Eriksson , Lars Nordström , Corina Etz

The Kondo lattice model with Hund's ferromagnetic spin coupling is investigated as a microscopic model of the perovskite-type $3d$ manganese oxide (R,A)MnO$_3$ where $R$ and $A$ are rare earth element and alkaline earth element,…

Condensed Matter · Physics 2008-02-03 Nobuo Furukawa

Magnetization and heat capacity measurements of ternary rare earth intermetallic compound GdNiAl3 demonstrate para to ferromagnetic transition at Tc=165.5K. In addition multiple short range magnetic transitions observed below Tc are…

Strongly Correlated Electrons · Physics 2016-05-16 S. Nallamuthu , K. Arun , Sergej Ilkovic , Ivan Curlik , Marian Reiffers , R. Nagalakshmi

The structural and magnetic properties of Ge0.5Mn0.5Co2O4 (GMCO) have been investigated in detail utilizing neutron powder diffraction (NPD), x-ray diffraction (XRD), DC magnetometry, and heat capacity analysis and compared with GeCo2O4.…

Strongly Correlated Electrons · Physics 2024-07-02 Pooja Jain , Benny Schundelmier , Chin-Wei Wang , Poonam Yadav , Kaya Wei , N. P. Lalla , Shivani Sharma

The perovskite antiferromagnetic ($T_{\rm N}$ $\sim$ 220 K) insulator EuNiO$_3$ undergoes at ambient pressure a metal-to-insulator transition at $T_{\rm MI}$ = 460 K which is associated with a simultaneous orthorhombic-to-monoclinic…

We report magnetic neutron-diffraction and electrical resistivity studies on single crystals of the heavy-fermion antiferromagnet CeRhIn$_{5}$ at pressures up to 2.3 GPa. These experiments show that the staggered moment of Ce and the…

The synthesis, structural, magnetic, thermal and transport properties are reported for polycrystalline PrIr3. At room temperature PrIr3 displays the rhombohedral space group R-3m and a PuNi3- type structure. At around 70 K a phase…

The low energy dynamical properties of the multiferroic hexagonal perovskite ErMnO3 have been studied by inelastic neutron scattering as well as terahertz and far infrared spectroscopies on synchrotron source. From these complementary…

The structure and magnetic properties of nanocrystalline PrCo$_3$ prepared by high-energy milling technique have been investigated by means of X-ray diffraction using the Rietveld method coupled to Curie temperature and magnetic…

Materials Science · Physics 2015-05-18 K. Younsi , V. Russier , L. Bessais

Interfacing complex oxides in atomically engineered layered structures can give rise to a wealth of exceptional electronic and magnetic properties that surpass those of the individual building blocks. Herein, we demonstrate a ferromagnetic…

We present results of local spin density approximation pseudopotential calculations for the ferroelectromagnet, yttrium manganite (YMnO3). The origin of the differences between ferroelectric and non-ferroelectric perovskite manganites is…

Materials Science · Physics 2015-06-25 Alessio Filippetti , Nicola A. Hill

In this work, we analysed GdMnO3 magnetoelectric thin films prepared by a general sol-gel method. The film formation temperature is analysed by termogravimetric analysis, while the lattice parameters of the Pbnm orthorhombic films are…

We have grown a YCrO$_3$ single crystal by the floating-zone method and studied its temperature-dependent crystalline structure and magnetization by X-ray powder diffraction and PPMS DynaCool measurements. All diffraction patterns were well…

Strongly Correlated Electrons · Physics 2024-03-08 Qian Zhao , Yinghao Zhu , Si Wu , Junchao Xia , Pengfei Zhou , Kaitong Sun , Hai-Feng Li

Polycrystalline rhodium(IV) oxide perovskite SrRhO3 was obtained by high-pressure synthesis techniques, followed by measurements of the magnetic susceptibility, electrical resistivity, and specific heat. The title compound has five…

Superconductivity · Physics 2009-11-07 K. Yamaura , E. Takayama-Muromachi

We present neutron diffraction, magnetic susceptibility and specific heat data for a single-crystal sample of the cubic (Cu3Au structure) compound Pr3In. This compound is believed to have a singlet (Gamma1) groundstate and a low-lying…

Frustrated magnetism in face-centred cubic (fcc) magnetic sublattices remains underexplored but holds considerable potential for exotic magnetic behaviour. Here we report on the crystal structure, magnetic and thermodynamic properties of…

We present angle-resolved photoemission spectroscopy results for thin films of the three-dimensional manganese perovskite La$_{1-x}$Sr$_{x}$MnO$_{3}$. We show that the transition temperature ($T_c$) from the paramagnetic insulating to…

Strongly Correlated Electrons · Physics 2008-04-23 M. Shi , M. C. Falub , P. R. Willmott , J. Krempasky , R. Herger , L. Patthey , K. Hricovini , C. Falub , M. Schneider

The magnetic structure of the heavy fermion antiferromagnet CePt$_2$In$_7$ is determined using neutron diffraction. We find a magnetic wave vector $\mathbf{q}_M = (1/2,1/2,1/2)$, which is temperature independent up to $T_N =$ 5.5 K. A…

Strongly Correlated Electrons · Physics 2017-04-06 M. Raba , E. Ressouche , N. Qureshi , C. V. Colin , V. Nassif , S. Ota , Y. Hirose , R. Settai , P. Rodière , I. Sheikin

The optical conductivity of the undoped PrMnO$_3$ manganite has been investigated in details at various temperatures between 300 and 4 K. Its low energy spectrum exhibits an optical gap, and is characterized by a single broad peak centered…

Strongly Correlated Electrons · Physics 2007-05-23 R. Sopracase , G. Gruener , C. Autret-Lambert , V. Ta Phuoc , V. Brize , J. C. Soret
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