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Related papers: Study of CeNi4Mn by neutron diffraction

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The low temperature lattice structure and magnetic properties of Co$_{2.75}$Fe$_{0.25}$O$_4$ ferrite have been investigated using experimental results from synchrotron x-ray diffraction (SXRD), dc magnetization, ac susceptibility, neutron…

Strongly Correlated Electrons · Physics 2020-07-09 R. N. Bhowmik , Amit Kumar , A. K. Sinha , S. M. Yusuf

Ferrimagnets take the advantages of both ferromagnets and antiferromagnets making them promise for spintronic applications. Here we prepared ferrimagnetic Mn4N thin films with high Curie temperature and investigated the crystalline…

Materials Science · Physics 2025-02-21 Yao Zhang , Yun Kim , Peter P. Murmu , Dingbin Huang , Deyuan Lyu , Jian-Ping Wang , Xiaojia Wang , Simon Granville

Single Crystals of Nd$_{1-x}$Ca$_{1+x}$MnO$_{4}$ have been prepared by the travelling floating-zone method, and possible evidence of a charge -orbital density wave in this material presented earlier [PRB68,092405 (2003)] using High…

Strongly Correlated Electrons · Physics 2009-11-11 Sher Alam , A. T. M. N. Islam , T. Nagai , M. Xu , Y. Matsui , I. Tanaka

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

$^{51}$V NMR studies on CaV2O4 single crystals and $^{17}$O NMR studies on $^{17}$O-enriched powder samples are reported. The temperature dependences of the $^{17}$O NMR line width and nuclear spin-lattice relaxation rate give strong…

Strongly Correlated Electrons · Physics 2010-11-17 X. Zong , B. J. Suh , A. Niazi , J. Q. Yan , D. L. Schlagel , T. A. Lograsso , D. C. Johnston

Magnetism in transition-metal compounds (TMCs) has traditionally been associated with spin degrees of freedom, because the orbital magnetic moments are typically largely quenched. On the other hand, magnetic order in 4f- and 5d-electron…

Strongly Correlated Electrons · Physics 2015-10-26 A. Jain , M. Krautloher , J. Porras , G. H. Ryu , D. P. Chen , D. L. Abernathy , J. T. Park , A. Ivanov , J. Chaloupka , G. Khaliullin , B. Keimer , B. J. Kim

Muon spin rotation measurements supported by magnetization experiments have been carried out in a stoichiometric high-$T_c$ parent compound La$_2$CuO$_4$ in %the a temperature range from 2~K to 340~K and in transverse magnetic fields up to…

Magnetism of the spin-$\frac12$ $\alpha$-KVOPO$_4$ is studied by thermodynamic measurements, $^{31}$P nuclear magnetic resonance (NMR), neutron diffraction, and density-functional band-structure calculations. Ferromagnetic Curie-Weiss…

The magnetization behaviors of GdMn2Ge2 and TbMn2Ge2 in the bulk and in the fine particles obtained by high-energy ball-milling are compared. Pronounced modificayions in the spontaneous, remnent and high-field magnetization in the fine…

Strongly Correlated Electrons · Physics 2015-05-18 K. Mukherjee , Kartik K Iyer , E. V. Sampathkumaran

We demonstrate that the system of localized magnetic moments in HoNi$_2$B$_2$C can be described by the 4-positional clock model. This model, at a proper choice of the coupling constants, yields several metamagnetic phases in magnetic field…

Condensed Matter · Physics 2009-10-30 V. K. Kalatsky , V. L. Pokrovsky

We report on neutron diffraction, thermal expansion, magnetostriction, dielectric, and specific heat measurements on polycrystalline FeCr2S4 in external magnetic fields. The ferrimagnetic ordering temperatures $T_{\mathrm{C}}\approx 170$ K…

Tetragonal CuMnAs was the first antiferromagnet where reorientation of the N\'eel vector was reported to occur by an inverse spin galvanic effect. A complicating factor in the formation of phase-pure tetragonal CuMnAs is the formation of an…

The ferrimagnetic spinel $\mathrm{CoV_2O_4}$ has been a topic of intense recent interest, both as a frustrated insulator with unquenched orbital degeneracy and as a near-itinerant magnet which can be driven metallic with moderate applied…

Strongly Correlated Electrons · Physics 2016-02-03 D. Reig-i-Plessis , D. Casavant , V. O. Garlea , A. A. Aczel , M. Feygenson , J. Neuefeind , H. D. Zhou , S. E. Nagler , G. J. MacDougall

We report results of a muon spin rotation and relaxation ($\mu$SR) study of dilute Pd$_{1-x}$Ni$_x$ alloys, with emphasis on Ni concentrations $x =$ 0.0243 and 0.025. These are close to the critical value $x_\mathrm{cr}$ for the onset of…

We report a polarized neutron diffraction study conducted to reveal the nature of the weak ferromagnetic moment in the superconducting ferromagnet UCoGe. We find that the ordered moment in the normal phase in low magnetic fields (B // c) is…

Strongly Correlated Electrons · Physics 2015-05-19 K. Prokes , A. de Visser , Y. K. Huang , B. Fak , E. Ressouche

Zero field cooled (ZFC)/Field Cooled (FC) magnetization curves of a bulk MnO single crystal show a peculiar peak at low temperatures (~40K) similar to the low temperature peak observed in MnO nanoparticles. In order to investigate the…

Materials Science · Physics 2017-08-02 X. Sun , E. Feng , Y. Su , K. Nemkovski , O. Petracic , T. Brückel

SmN is ferromagnetic below 27 K, and its net magnetic moment of 0.03 Bohr magnetons per formula unit is one of the smallest magnetisations found in any ferromagnetic material. The near-zero moment is a result of the nearly equal and…

The nuclear and magnetic structure and full magnon dispersions of yttrium iron garnet Y$_3$Fe$_5$O$_{12}$ have been studied by neutron scattering. The refined nuclear structure is distorted to a trigonal space group of $R\bar{3}$. The…

We report $\beta$-detected nuclear magnetic resonance ($\beta$-NMR) measurements of implanted $^{8}$Li$^{+}$ in a synthetic single crystal of $\alpha$-SiO$_2$ (quartz). At 6.55 Tesla, the spectrum is comprised of a large amplitude broad…

Spin excitations are one of the top candidates for mediating electron pairing in unconventional superconductors. Their coupling to superconductivity is evident in a large number of systems, by the observation of an abrupt redistribution of…

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