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Related papers: Magnetic excitations in {Mo72Fe30}

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The magnetic properties and spin dynamics of the spin frustrated polyoxometalate {W72V30}, where 30 V^{4+} ions (s = 1/2) occupy the sites of an icosidodecahedron, have been investigated by low temperature magnetization, magnetic…

Strongly Correlated Electrons · Physics 2013-04-10 J. Schnack , A. M. Todea , A. Müller , H. Nojiri , S. Yeninas , Y. Furukawa , R. Prozorov , M. Luban

We report polarized neutron scattering measurements of the low energy spin fluctuations of the iron-selenide superconductor Li$_{0.8}$Fe$_{0.2}$ODFeSe below and above its superconducting transition temperature $T_c=41$ K. Our experiments…

Superconductivity · Physics 2021-09-22 Die Hu , Yu Feng , Jitae T. Park , Hongliang Wo , Qisi Wang , Frederic Bourdarot , Alexandre Ivanov , Jun Zhao

Inelastic neutron scattering (INS) experiments under applied magnetic field at low temperatures show detailed low lying magnetic excitations in the so called tridiminshed iron icosahedron magnetic molecule. The magnetic molecule consists of…

Strongly Correlated Electrons · Physics 2014-06-05 David Vaknin , Franz Demmel

We derive the low temperature properties of the molecular magnet Mo72Fe30, where 30 Fe(3+) paramagnetic ions occupy the sites of an icosidodecahedron and interact via isotropic nearest-neighbour antiferromagnetic Heisenberg exchange. The…

Materials Science · Physics 2009-11-07 J. Schnack , M. Luban , R. Modler

Fe3-xGeTe2 is an itinerant ferromagnet composed of two-dimensional layers weakly connected by van der Waals bonding that shows a variety of intriguing phenomena. Inelastic neutron scattering measurements on bulk single crystals of…

Strongly Correlated Electrons · Physics 2019-03-27 S. Calder , A. I. Kolesnikov , A. F. May

Inelastic neutron scattering for temperatures below 30 K from a powder of LiZn2Mo3O8 demonstrates this triangular-lattice antiferromagnet hosts collective magnetic excitations from spin 1/2 Mo3O13 molecules. Apparently gapless (\Delta < 0.2…

We present the detailed inelastic neutron scattering measurements of the noncollinear antiferromagnet Mn$_3$Ge. Time-of-flight and triple-axis spectroscopy experiments were conducted at the temperature of 6~K, well below the high magnetic…

Strongly Correlated Electrons · Physics 2019-07-01 A. S. Sukhanov , M. S. Pavlovskii , Ph. Bourges , H. C. Walker , K. Manna , C. Felser , D. S. Inosov

We performed inelastic neutron scattering experiment to study magnetic excitation of O$_2$ molecules adsorbed in microporous compound. The dispersionless excitation with characteristic intensity modulation is observed at $\hbar \omega =…

Strongly Correlated Electrons · Physics 2009-11-13 T. Masuda , S. Takamizawa , K. Hirota , M. Ohba , S. Kitagawa

In this short note, we report on the first inelastic neutron scattering (INS) study on high-energy magnetic excitations in Sr$_3$Ir$_2$O$_7$. We observed excitations between $\sim$80 meV and $\sim$180 meV. The peak position of the…

Strongly Correlated Electrons · Physics 2021-01-12 Masaki Fujita , Kazuhiko Ikeuchi , Ryoichi Kajimoto , Mitsutaka Nakamura

We report an inelastic neutron scattering study of single crystals of (Li$_{0.8}$Fe$_{0.2}$)ODFeSe. Temperature-dependent low-energy spin excitations are observed near $\mathbf{Q}=$ (0.5, 0.27, 0.5) and equivalent wave vectors symmetrically…

Superconductivity · Physics 2017-03-28 Mingwei Ma , Lichen Wang , Philippe Bourges , Yvan Sidis , Sergey Danilkin , Yuan Li

Inelastic neutron scattering measurements have been performed on single crystal samples of Co3V2O8 and Ni3V2O8. The magnetic system in these compounds is believed to be frustrated, as the magnetic ions Co2+ with S=3/2 and Ni2+ with S=1…

Materials Science · Physics 2015-06-25 N. R. Wilson , O. A. Petrenko , G. Balakrishnan , P. Manuel , B. Fak

Inelastic neutron scattering experiments were performed on single crystals of the heavy-fermion compound CeIn$_{3}$ for temperatures below and above the N\'eel temperature, $T_N$. In the antiferromagnetically ordered phase, well-defined…

Strongly Correlated Electrons · Physics 2009-11-10 W. Knafo , S. Raymond , B. Fak , G. Lapertot , P. C. Canfield , J. Flouquet

Sc3Mn3Al7Si5 is a rare example of a correlated metal in which the Mn moments form a kagome lattice. The absence of magnetic ordering to the lowest temperatures suggests that geometrical frustration of magnetic interactions may lead to…

Strongly Correlated Electrons · Physics 2021-10-27 X. Y. Li , D. Reig-i-Plessis , P. -F. Liu , S. Wu , B. -T. Wang , A. M. Hallas , M. B. Stone , C. Broholm , M. C. Aronson

Inelastic neutron scattering and susceptibility measurements have been performed on the optimally-doped Fe-based superconductor FeTe(0.5)Se(0.5), which has a critical temperature, Tc of 14 K. The magnetic scattering at the stripe…

Superconductivity · Physics 2010-03-30 Jinsheng Wen , Guangyong Xu , Zhijun Xu , Zhi Wei Lin , Qiang Li , Ying Chen , Songxue Chi , Genda Gu , J. M. Tranquada

Two-dimensional van der Waals compounds with magnetic ions on a honeycomb lattice are hosts to a variety of exotic behavior. The magnetic interactions in one such compound, MnPSe$_3$, are investigated with elastic and inelastic neutron…

Strongly Correlated Electrons · Physics 2021-01-20 S. Calder , A. V. Haglund , A. I. Kolesnikov , D. Mandrus

Magnetic excitations in a Ni$_4$ magnetic molecule were investigated by inelastic neutron scattering and bulk susceptibility ($\chi_\text{bulk}$) techniques. The magnetic excitation spectrum obtained from the inelastic neutron scattering…

Strongly Correlated Electrons · Physics 2015-06-04 K. Iida , S. -H. Lee , T. Onimaru , K. Matsubayashi , T. J. Sato

We have investigated the quasi-one dimensional Ni-chain compound PbMn$_2$Ni$_6$Te$_2$O$_{18}$ using theoretical DFT calculations, inelastic neutron scattering and optical spectroscopy in order to understand the nature of magnetic exchange…

The low-temperature excitations in the magnetic Keplerate molecule Fe30 as calculated by linear spin-wave theory (SWT), modified linear SWT, and spin-level mean-field theory (SLMFT) are compared to the recent inelastic neutron scattering…

Strongly Correlated Electrons · Physics 2009-11-11 O. Waldmann

We report the magnetic excitation spectrum as measured by inelastic neutron scattering for a polycrystalline sample of Sr$_3$CuPtO$_6$. Modeling the data by the 2+4 spinon contributions to the dynamical susceptibility within the chains, and…

Neutron inelastic scattering investigations have been performed on the spin tetrahedral system Cu_2Te_2O_5X_2 (X = Cl, Br). We report the observation of magnetic excitations with a dispersive component in both compounds, associated with the…

Other Condensed Matter · Physics 2009-11-11 S. J. Crowe , S. Majumdar , M. R. Lees , D. McK. Paul , R. I. Bewley , S. J. Levett , C. Ritter
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