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Related papers: Magnetic structure of actinide metals

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A material in possession of localized 4f-electron magnetism and delocalized 3d-electron or band magnetism can often present A material in possession of localized 4f-electron magnetism and delocalized 3d-electron or band magnetism can often…

Strongly Correlated Electrons · Physics 2025-06-24 S W Lovesey

We study the spin-dependent electronic structure of UTe and UT_{2}Si_{2} (T=Cu and Mn) compounds with a combination of x-ray magnetic circular dichroism measurements and first principle calculations. By exploiting the presence of sizable…

Strongly Correlated Electrons · Physics 2016-01-12 R. D. dos Reis , L. S. I. Veiga , D. Haskel , J. C. Lang , Y. Joly , F. G. Gandra , N. M. Souza-Neto

The magnetic structure of RuO2 and the Ru atomic configuration are unknown. A magnetic structure is inferred by confronting measured and calculated Bragg diffraction patterns and adjusting the latter to achieve satisfactory agreement. An…

Strongly Correlated Electrons · Physics 2023-06-22 S. W. Lovesey , D. D. Khalyavin , G. van der Laan

Plutonium (Pu), in which the 5$f$ valence electrons always wander the boundary between localized and itinerant states, exhibits quite complex crystal structures and unprecedentedly anomalous properties with respect to temperature and…

Strongly Correlated Electrons · Physics 2020-03-26 Li Huang , Haiyan Lu

To efficiently manipulate magnetism is a key physical issue for modern condensed matter physics, which is also crucial for magnetic functional applications. Most previous relevant studies rely on the tuning of spin texture, while the spin…

Strongly Correlated Electrons · Physics 2020-11-04 Yakui Weng , Xing'ao Li , Shuai Dong

We report on crystal structure, magnetic and thermal physical properties of EuPd$_2$Sn$_4$ stannide. From the magnetic susceptibility measurements a divalent state of Eu rare earth element was determined together with an antiferromagnetic…

Strongly Correlated Electrons · Physics 2021-06-16 Ivan Curlik , Mariana Zapotokova , Federica Gastaldo , Marian Reiffers , Julian G. Sereni , Mauro Giovannini

Resistivity, magnetic susceptibility, neutron scattering and x-ray crystallography measurements were used to study the evolution of magnetic order and crystallographic structure in single-crystal samples of the Ba1-xSrxFe2As2 and…

Superconductivity · Physics 2012-09-06 K. Kirshenbaum , N. P. Butch , S. R. Saha , P. Y. Zavalij , B. G. Ueland , J. W. Lynn , J. Paglione

The duality between localized and itinerant nature of magnetism in $5\textit{f}$ electron systems has been a longstanding puzzle. Here, we report inelastic neutron scattering measurements, which reveal both local and itinerant aspects of…

Recent calculations, concerning the magnetism of uranium in the U/Fe multilayer system have described the spatial dependence of the 5f polarization that might be expected. We have used the x-ray resonant magnetic reflectivity technique to…

We report on the thermodynamic, magnetic properties and the magnetic structure of ludwigite-type Cu2MnBO5. The specific heat, the low-field magnetization and the paramagnetic susceptibility were studied on a single crystal and combined with…

The different types of magnetism arise mainly from how electrons move and interact with each other. In this work, we show how protons (H$^+$) also exhibit magnetic behavior. We measured the magnetic susceptibility of the ammonium halides…

Materials Science · Physics 2024-05-07 Fei Yen , Lei Meng , Tian Gao , Sixia Hu

The evolution of the magnetic moment in iron clusters containing 20 to 400 atoms is investigated using first-principles numerical calculations based on density-functional theory and real-space pseudopotentials. Three families of clusters…

Materials Science · Physics 2009-11-11 Murilo L. Tiago , Yunkai Zhou , M. M. G. Alemany , Yousef Saad , James R. Chelikowsky

The temperature evolution of the crystal and magnetic structures of ferroelectric sulfide AgCrS2 have been investigated by means of neutron scattering. AgCrS2 undergoes at TN = 41.6 K a first-order phase transition, from a paramagnetic…

Materials Science · Physics 2015-05-19 Francoise Damay , Christine Martin , Vincent Hardy , Gilles André , Sylvain Petit , Antoine Maignan

The magnetic properties of iron (spin and orbital magnetic moments, magnetocrystalline anisotropy energy) in various geometries and dimensionalities are investigated by using a parametrized tight-binding model in an $s$, $p$ and $d$ atomic…

Materials Science · Physics 2008-04-22 Gabriel Autes , Cyrille Barreteau , Daniel Spanjaard , Marie-Catherine Desjonqueres

Recently, there has been an increased interest in first-principles calculations of the actinides as well as in finding the new materials which display surface magnetism. We predict the existence of a magnetic moment on the uranium (001)…

Materials Science · Physics 2007-05-23 N. Stojic , J. W. Davenport , M. Komelj , J. Glimm

Unlike the ferropnictide superconductors, which crystallize in a tetragonal crystal structure, binary FeAs forms in an orthorhombic crystal structure, where the local atomic environment resembles a highly distorted variant of the FeAs4…

Other Condensed Matter · Physics 2015-03-17 J. R. Jeffries , N. P. Butch , H. Cynn , S. R. Saha , K. Kirshenbaum , S. T. Weir , Y. K. Vohra , J. Paglione

In a wide variety of materials, such as copper oxides, heavy fermions, organic salts, and the recently discovered iron pnictides, superconductivity is found in close proximity to a magnetically ordered state. The character of the proximate…

Superconductivity · Physics 2011-04-11 Z. P. Yin , K. Haule , G. Kotliar

The search for novel magnetic quantum phases, phenomena and functional materials has been guided by relativistic magnetic-symmetry groups in coupled spin and real space from the dawn of the field in 1950s to the modern era of topological…

Mesoscale and Nanoscale Physics · Physics 2022-09-27 Libor Šmejkal , Jairo Sinova , Tomas Jungwirth

In rare-earth compounds with valence fluctuation, the proximity of the 4f level to the Fermi energy leads to instabilities of the charge configuration and the magnetic moment. Here, we provide direct experimental evidence for an induced…

Strongly Correlated Electrons · Physics 2023-01-31 K. Chen , C. Luo , Y. Zhao F. Baudelet , A. Maurya , A. Thamizhavel , U. K. Rößler , D. Makarov , F. Radu

Observation of an anomalous temperature dependence of the spin susceptibility, along with a spin gap in NMR, in the quantum paramagnetic normal state of Iron Pnictides is a signature of an unusual metallic state. We argue that both these…

Strongly Correlated Electrons · Physics 2009-03-24 M. S. Laad , L. Craco