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Related papers: Neutron-scattering studies of spin dynamics in pur…

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Neutron scattering is a powerful probe of strongly correlated systems. It can directly detect common phenomena such as magnetic order, and can be used to determine the coupling between magnetic moments through measurements of the spin-wave…

Strongly Correlated Electrons · Physics 2014-10-02 Igor A. Zaliznyak , John M. Tranquada

In contrast to magnetic order formed by electrons' dipolar moments, ordering phenomena associated with higher-order multipoles (quadrupoles, octupoles, etc.) are more difficult to characterize because of the limited choice of experimental…

We have performed a single crystal neutron scattering experiment on Ce0.7La0.3B6 to investigate the order parameter of phase IV microscopically. Below the phase transition temperature 1.5 K of phase IV, weak but distinct superlattice…

Strongly Correlated Electrons · Physics 2009-11-13 K. Kuwahara , K. Iwasa , M. Kohgi , N. Aso , M. Sera , F. Iga

Neutron scattering experiments have been performed on the ternary rare-earth diborocarbide Ce$^{11}$B$_2$C$_2$. The powder diffraction experiment confirms formation of a long-range magnetic order at $T_{\rm N} = 7.3$ K, where a sinusoidally…

Strongly Correlated Electrons · Physics 2009-11-13 Isao Nakanowatari , Rei Morinaga , Takahiro Onimaru , Taku J. Sato

Hidden-order phases that occur in a number of correlated f-electron systems are among the most elusive states of electronic matter. Their investigations are hindered by the insensitivity of standard physical probes, such as neutron…

Strongly Correlated Electrons · Physics 2019-06-25 P. Y. Portnichenko , S. E. Nikitin , A. Prokofiev , S. Paschen , J. -M. Mignot , J. Ollivier , A. Podlesnyak , Siqin Meng , Zhilun Lu , D. S. Inosov

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 present chapter reviews current neutron and x-ray scattering techniques employed to elucidate the magnetic structures and spin dynamics of magnetic materials. Both techniques provide measurements as a function of the energy and the…

Materials Science · Physics 2021-06-07 Jeffrey W. Lynn , Bernhard Keimer

This paper is aiming to review some of the neutron scattering studies performed on URu2Si2 in Grenoble. This compound has been studied for a quarter of century because of a so-called hidden order ground state visible by most of the bulk…

Strongly Correlated Electrons · Physics 2014-07-17 Frederic Bourdarot , Stephane Raymond , Louis-Pierre Regnault

We review the results of recent studies of the elastic and inelastic neutron scattering from a variety of heavy fermion compounds. This class of materials exhibits a rich variety of ground states: antiferromagnetically ordered,…

Condensed Matter · Physics 2007-05-23 T. E. Mason , G. Aeppli

Molecular Nanomagnets have attracted the attention of the scientific community since the rich physics behind their magnetic behaviour make them ideal test-beds for fundamental concepts in quantum mechanics. Sophisticated experiments and…

Mesoscale and Nanoscale Physics · Physics 2021-01-19 Elena Garlatti , Alessandro Chiesa , Tatiana Guidi , Giuseppe Amoretti , Paolo Santini , Stefano Carretta

Neutron scattering is a powerful tool to study magnetic structures and dynamics, benefiting from a precisely established theoretical framework. The neutron dipole moment interacts with electrons in materials via their magnetic field, which…

Strongly Correlated Electrons · Physics 2020-11-23 Nicolas Gauthier , Victor Porée , Sylvain Petit , Vladimir Pomjakushin , Elsa Lhotel , Tom Fennell , Romain Sibille

Neutron scattering experiments continue to improve our knowledge of spin fluctuations in layered cuprates, excitations that are symptomatic of the electronic correlations underlying high-temperature superconductivity. Time-of-flight…

Neutron scattering experiments on frustrated fcc - antiferromagnet HoB$_{12}$ have been performed above T$_{N}$ = 7.4 K. Diffuse scattering patterns indicate that above Neel temperature correlations between neighboring magnetic moments of…

Strongly Correlated Electrons · Physics 2007-05-23 K. Siemensmeyer , K. Flachbart , S. Gabani , S. Matas , Y. Paderno , N. Shitsevalova

The spin of the neutron allows neutron scattering to reveal the magnetic structure and dynamics of materials over nanometre length scales and picosecond timescales. Neutron scattering is particularly in demand in order to understand…

Strongly Correlated Electrons · Physics 2007-05-23 William J. L. Buyers , Zahra Yamani

We investigated the ground state symmetry of the cubic hidden order compound CeB$_6$ by means of core level non-resonant inelastic x-ray scattering (NIXS). The information is obtained from the directional dependence of the scattering…

Strongly Correlated Electrons · Physics 2017-02-24 M. Sundermann , K. Chen , H. Yavaş , Han-Oh Lee , Z. Fisk , M. W. Haverkort , L. H. Tjeng , A. Severing

Elastic and inelastic neutron scattering measurements have been performed on powder and single-crystal samples of orthorhombic CeRu2Al10. The order forming below T0 = 27 K was identified as a long-range antiferromagnetic state with the wave…

Inelastic neutron scattering provides a powerful probe of the magnetic excitations of quantum magnets. Altermagnets have recently emerged as a new class of magnets with vanishing net magnetization characteristic of antiferromagnets and with…

Strongly Correlated Electrons · Physics 2023-09-29 Thomas A. Maier , Satoshi Okamoto

The nature of the unconventional ordered phase occurring in CeRu2Al10 below T0 = 27 K was investigated by neutron scattering. Powder diffraction patterns show clear superstructure peaks corresponding to forbidden (h + k)-odd reflections of…

Neutron scattering is used to investigate the single-ion spin and orbital excitations below the Mott-Hubbard gap in CoO. Three excitations are reported at 0.870 $\pm$ 0.009 eV, 1.84 $\pm$ 0.03, and 2.30 $\pm$ 0.15 eV. These were…

Strongly Correlated Electrons · Physics 2015-06-17 R. A. Cowley , W. J. L. Buyers , C. Stock , Z. Yamani , C. Frost , J. W. Taylor , D. Prabhakaran

Elastic neutron scattering experiments performed in semi-conducting La(1-x)Ca(x)MnO3 single crystals (x=0.05, 0.08), reveal new features in the problem of electronic phase separation and metal insulator transition. Below TN, the observation…

Strongly Correlated Electrons · Physics 2009-10-31 M. Hennion , F. Moussa , G. Biotteau , J. Rodriguez-Carvajal , L. Pinsard , A. Revcolevschi
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