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Related papers: Magnetism and charge ordering in high- and low-tem…

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There have been recent reports of charge ordering around $x=0.5$ in the bilayer manganites. At $x=0.5$, there appears to be a coexistence region of layered A-type antiferromagnetc and charge order. There are also reports of orbital order in…

Strongly Correlated Electrons · Physics 2009-11-11 T. Maitra , A. Taraphder , H. Beck

Through detailed electronic structure simulations we show that the electronic orbital ordering (between d$_{yz}$ and d$_{xz}$ bands) takes place due to local breaking of in-plane symmetry that generates two non-equivalent $a$, $b$…

Superconductivity · Physics 2016-03-30 Smritijit Sen , Haranath Ghosh

We report temperature (T) dependence of dc magnetization, electrical resistivity (rho(T)), and heat-capacity of rare-earth (R) compounds, Gd3RuSn6 and Tb3RuSn6, which are found to crystallize in the Yb3CoSn6-type orthorhombic structure…

Strongly Correlated Electrons · Physics 2017-06-28 Sanjay K Upadhyay , Kartik K Iyer , E. V. Sampathkumaran

A combination of variable-temperature neutron scattering, reverse Monte Carlo analysis and direct Monte Carlo simulation is used to characterise the emergence of magnetic order in the metal--organic framework (MOF) Tb(HCOO)$_3$ over the…

Disordered Systems and Neural Networks · Physics 2016-12-21 Daniel R. Harcombe , Philip G. Welch , Pascal Manuel , Paul J. Saines , Andrew L. Goodwin

Single crystals of Nd$_2$O$_3$ were grown and characterized using neutron scattering and thermodynamic measurements. Nd$_2$O$_3$ has long-range antiferromagnetic order below $T_{\rm N}$ = 0.55 K and specific heat measurements have…

Strongly Correlated Electrons · Physics 2020-08-25 Binod K. Rai , A. D. Christianson , G. Sala , M. B. Stone , Y. Liu , A. F. May

The interactions between charge and orbitally ordered $d$-electrons are important in many transition metal oxides. We propose an effective energy model for such interactions, parameterized with DFT+U calculations, so that energy…

Strongly Correlated Electrons · Physics 2015-11-17 Fei Zhou , Gerbrand Ceder

The pressure-temperature phase diagram of an intermediate-valence compound YbPd was revealed via simultaneous ac-calorimetry and electrical resistivity measurements. Two successive structural phase transition temperatures, $T_1$ = 125 K and…

In this work, we investigate collective electronic fluctuations and, in particular, the possibility of the charge density wave ordering in an infinite-layer NdNiO$_2$. We perform advanced many-body calculations for the ab-initio…

Strongly Correlated Electrons · Physics 2024-06-03 Evgeny A. Stepanov , Matteo Vandelli , Alexander I. Lichtenstein , Frank Lechermann

Cuprate superconductors still hold many open questions, in particular concerning their normal state properties, including the role of charge ordering. Nuclear magnetic resonance on $^{63,65}$Cu and $^{17}$O in the CuO$_2$ plane is a very…

Superconductivity · Physics 2018-05-28 Steven Reichardt , Michael Jurkutat , Robin Gühne , Jonas Kohlrautz , Andreas Erb , Jürgen Haase

The magnetic properties of $\alpha$-NaFeO$_2$ are studied by neutron diffraction and magnetization measurements. An ordered phase with spins aligned along the b$_hex$ axis exists at low temperatures (T < 4 K). At intermediate temperatures…

Strongly Correlated Electrons · Physics 2009-02-02 T. M. McQueen , Q. Huang , J. W. Lynn , R. F. Berger , T. Klimczuk , B. G. Ueland , P. Schiffer , R. J. Cava

Magnetic ordering in TbMnO3 was revisited by a neutron diffraction study. In addition to the previously reported A-type and G-type modulated structures with a propagation vector (0,q_Mn,0), we found C-type and F-type orderings of the Mn…

Strongly Correlated Electrons · Physics 2007-05-23 R. Kajimoto , H. Yoshizawa , H. Shintani , T. Kimura , Y. Tokura

Magnetism of $UGe_2$ is due to the magnetic ordered moments of $5f$ uranium electrons. The strong spin-orbit coupling splits them into two groups. The magnetization is investigated in terms of two vector fields ${\bf M}_{1i}$ and ${\bf…

Strongly Correlated Electrons · Physics 2015-03-17 Naoum Karchev

We report on first principles Self-Interaction Corrected LSD (SIC-LSD) calculations of electronic structure of LaMnO$_{3}$ in the cubic phase. We found a strong tendency to localisation of the Mn $e_{g}$ electron and to orbital ordering. We…

Strongly Correlated Electrons · Physics 2009-11-11 H. Zenia , G. A. Gehring , W. M. Temmerman

Despite more than half a century of studies in heavy-fermion compounds, a full understanding of the various possible magnetic ordering phenomena is still far from complete. Some heavy-fermion materials show so-called hidden-order phases,…

Strongly Correlated Electrons · Physics 2018-11-27 Pavlo Y. Portnichenko

The recent discovery of magnetic ordering in two-dimension has lead to colossal efforts to find atomically thin materials that order at high temperatures. However, due to fundamental spin fluctuation in reduced dimension, the…

Strongly Correlated Electrons · Physics 2023-05-02 Chandan K. Singh , Mukul Kabir

Neutron diffraction measurements on multiferroic LuFe2O4 show changes in the antiferromagnetic (AFM) structure characterized by wavevector q = (1/3 1/3 1/2) as a function of electric field cooling procedures. The increase of intensity from…

Strongly Correlated Electrons · Physics 2011-11-09 A. M. Mulders , M. Bartkowiak , J. R. Hester , E. Pomjakushina , K. Conder

Non-resonant ferromagnetic x-ray diffraction has been used to separate the spin and orbital contribution to the magnetization density of the proposed zero-moment ferromagnet $Sm_{0.982}Gd_{0.018} Al_{2}$. The alignment of the spin and…

Condensed Matter · Physics 2009-11-07 J. W. Taylor , J. A. Duffy , A. M. Bebb , M. R. Lees , L. Bouchenoire , S. D. Brown , M. J. Cooper

Multiferroic TbMnO3 is investigated using x-ray diffraction in high magnetic fields. Measurements on first and second harmonic structural reflections due to modulations induced by the Mn and Tb magnetic order are presented as function of…

Strongly Correlated Electrons · Physics 2008-07-29 J. Strempfer , B. Bohnenbuck , I. Zegkinoglou , N. Aliouane , S. Landsgesell , M. v. Zimmermann , D. N. Argyriou

Charge order affects most of the electronic properties but is believed not to alter the spin arrangement since the magnetic susceptibility remains unchanged. We present electron-spin-resonance experiments on quasi-one-dimensional (TMTTF)2X…

Strongly Correlated Electrons · Physics 2013-03-19 M. Dressel , M. Dumm , T. Knoblauch , B. Köhler , B. Salameh , S. Yasin

Measurements of the electrical and thermal conductivities, thermopower and paramagnetic susceptibility have been performed on single crystal samples of Bi1/2Sr1/2MnO3 and complemented with the X-ray powder diffraction data. A pronounced…

Strongly Correlated Electrons · Physics 2009-11-07 J. Hejtmanek , K. Knizek , Z. Jirak , M. Hervieu , C. Martin , M. Nevriva , P. Beran