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By inelastic neutron scattering, we have analyzed the magnetic correlations in the paramagnetic metallic region of the series Ca(2-x)Sr(x)RuO(4), 0.2<=x<=0.62. We find different contributions that correspond to 2D ferromagnetic fluctuations…

Strongly Correlated Electrons · Physics 2012-02-09 P. Steffens , O. Friedt , Y. Sidis , P. Link , J. Kulda , K. Schmalzl , S. Nakatsuji , M. Braden

We present a comparative investigation of singlet ground state induced magnetism for singlet, doublet and triplet excited CEF states of non-Kramers f-electrons relevant primarily for Pr- and U- based compounds. This type of magnetic order…

Strongly Correlated Electrons · Physics 2024-03-11 Peter Thalmeier , Alireza Akbari

The temperature dependence of the electrical resistivity and magnetoresistance of Xe-ion beam sputtered Fe-Cr multilayers has been investigated. The electrical resistivity between 5 and 300 K in the fully ferromagnetic state, obtained by…

Materials Science · Physics 2009-11-07 A. K. Majumdar , A. F. Hebard , Avinash Singh , D. Temple

Characteristics of magnetic transitions in NpTGa$_5$ with T=Co, Ni, Rh are explained in a unified way with use of a crystalline electric field (CEF) model of localized 5$f^4$ electrons. The model takes a CEF doublet and a singlet as local…

Strongly Correlated Electrons · Physics 2009-11-13 Annamaria Kiss , Yoshio Kuramoto

This paper reports NMR measurements of the magnetic dipole moments of two high-K isomers, the 37/2$^-$, 51.4 m, 2740 keV state in $^{\rm 177}$Hf and the 8$^-$, 5.5 h, 1142 keV state in $^{\rm 180}$Hf by the method of on-line nuclear…

X-ray diffraction experiments were performed on polycrystalline and single-crystal specimens of Ce$_{2}$Fe$_{17}$ at temperatures between 10 K and 300 K. Below $T_{\mathrm{t}}$ = 118$\pm$2 K, additional weak superstructure reflections were…

The neutron transition densities of the $2^+-8^+$ levels in $^{90}$Zr were extracted in the process of analysing ({\bf p},p') scattering at 400 Mev. Its comparison with the proton transition densities for these levels was undertaken. The…

Nuclear Experiment · Physics 2009-11-10 M S Onegin , A V Plavko

A comprehensive study of thermodynamic properties of three samples of bimetallic molecular magnets [Co$^{\mathrm{II}}$(pyrazole)$_{4}$]$_{2x}$[Fe$^{\mathrm{II}}$(pyrazole)$_{4}$]$_{2(1-x)}$[Nb$^{\mathrm{IV}}$(CN)$_{8}$]$\cdot$4H$_{2}$O with…

Materials Science · Physics 2021-12-21 R. Pełka , P. Konieczny , Y. Miyazaki , Y. Nakazawa , T. Wasiutyński , A. Budziak , D. Pinkowicz , B. Sieklucka

Superconducting technology provides most sensitive field detectors, promising implementations of qubits and high field magnets for medical imaging and for most powerful particle accelerators. Thus, with the discovery of new superconducting…

Electron scattering provides a powerful tool to determine charge distributions and transition densities of nuclei. This tool will soon be available for short-lived neutron-rich nuclei. [Purpose] Beyond mean-field methods have been…

Nuclear Theory · Physics 2015-03-10 J. M. Yao , M. Bender , P. -H. Heenen

The momentum transfer dependence of the magnetic form factor associated with the quasielastic spectral component in the dynamic magnetic response of intermediate valence SmB$_{6}$ has been measured using inelastic neutron scattering on a…

Strongly Correlated Electrons · Physics 2016-08-24 P. A. Alekseev , J. -M. Mignot , P. S. Savchenkov , V. Lazukov

(Sr1-xCax)3Ru2O7 is characterized by complex magnetic states, spanning from a long-range antiferromagnetically ordered state over an unusual heavy-mass nearly ferromagnetic (NFM) state to an itinerant metamagnetic (IMM) state. The NFM…

Strongly Correlated Electrons · Physics 2012-08-07 Zhe Qu , Jin Peng , Tijiang Liu , David Fobes , Vlad Dobrosavljevic , Leonard Spinu , Zhiqiang Mao

Intermediate valence compounds containing rare earth or actinide ions are archetypal systems for the investigation of strong electron correlations. Their effective electron masses of 10 to 50 times the free electron mass result from a…

Cerium electronic multipoles in trigonal symmetry viewed in magnetic neutron diffraction are investigated. Analytic expressions for all the magnetic multipoles, and radial integrals calculated with an established atomic code, are used to…

Strongly Correlated Electrons · Physics 2020-04-22 S. W. Lovesey , G. van der Laan

We report Zeeman infra-red spectroscopy of electronic-nuclear levels of $^5$I$_8 \rightarrow ^5$I$_7$ transitions of Ho$^{3+}$ in the C$_{\rm 4v}$(F$^-$) centre in CaF$_2$ with the magnetic field along the $\langle 111\rangle$ direction of…

Materials Science · Physics 2025-10-20 Kieran M. Smith , Michael F. Reid , Jon-Paul R. Wells

Through a neutron scattering, charge transport, and magnetization study, the correlated ground state in the bilayer iridium oxide Sr$_3$Ir$_2$O$_7$ is explored. Our combined results resolve scattering consistent with a high temperature…

The crystalline electric field (CEF) is investigated in Pr$_3$Pt$_{23}$Si$_{11}$ and Nd$_3$Pt$_{23}$Si$_{11}$ by neutron spectroscopy (NS). At low temperature, the number of observed CEF excitations is consistent with the orthorhombic…

Strongly Correlated Electrons · Physics 2016-12-13 R. M. Galéra , C. Opagiste , M. Amara , J. C. Toussaint , M. B. Lepetit , S. Rols

TmGa$_{3}$ (AuCu$_3$ structure) undergoes two phase transitions, an antiferroquadrupolar transition at $\sim$ 4.29 K and long-range antiferromagnetic ordering at $\sim$ 4.26 K. Due to the close vicinity of the two phase transitions,…

Strongly Correlated Electrons · Physics 2007-09-27 M. G. Banks , R. K. Kremer , G. Lapertot , D. Mannix , A. P. Murani

The magnetic excitation spectrum of the unconventional ferromagnet CeRh$_{3}$B$_{2}$ was measured by inelastic neutron scattering on single crystal sample in the magnetically ordered and paramagnetic phases. The spin-wave excitation…

Strongly Correlated Electrons · Physics 2012-02-29 S. Raymond , J. Panarin , F. Givord , A. P. Murani , J. X. Boucherle , P. Lejay

Due to the complex interactions between rare-earth elements and transition metals, as well as between themselves, rare-earth transition-metal oxides are likely to exhibit highly intriguing and novel magnetic structures and dynamic…

Strongly Correlated Electrons · Physics 2024-04-24 Guochu Deng , Xiaoxuan Ma , Zhenjie Feng , Wei Ren , Shixun Cao , Dehong Yu , Devashibhai T. Adroja , Garry J. McIntyre
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