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Related papers: Magnetic correlations in polycrystalline $\mathrm{…

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The molecule-based magnet [Ru$_2$(O$_2$CMe)$_4$]$_3$[Cr(CN)$_6$] contains two weakly-coupled, interpenetrating sublattices in a body-centered cubic structure. Although the field-dependent magnetization indicates a metamagnetic transition…

Materials Science · Physics 2015-05-13 Randy S. Fishman , Satoshi Okamoto , William W. Shum , Joel S. Miller

The PbFe0.5Nb0.5O3 (PFN), a well-known A(B'1/2B"1/2)O3 type multiferroic was successfully synthesized in single phase by a single step solid state reaction method. The single phase PFN was characterized through XRD, microstructure through…

Materials Science · Physics 2015-01-08 Shidaling Matteppanavar , Basavaraj Angadi , Sudhindra Rayaprol

Prior to the onset of the ferromagnetic transition in semimetallic EuB_6, unusual magnetic and electric behavior have been reported. Using a highly sensitive magneto-optical imaging (MOI) technique, we visualize the behavior of magnetic…

Strongly Correlated Electrons · Physics 2018-12-21 Dibya J. Sivananda , Ankit Kumar , Md. Arif Ali , S. S. Banerjee , Pintu Das , Jens Muller , Zachary Fisk

Complex magneto structural behaviour of rare rich intermetallic Tb$_3$Co is reported in this study. Below the 84K (T$_N$), it undergoes a first order magnetic transition 72K confirmed from specific heat and magnetization measurements.…

Materials Science · Physics 2019-08-23 Srikanta Goswami , P. D. Babu , R. Rawat

Neutron-diffraction measurements in LaCrSb{3} show a coexistence of ferromagnetic and antiferromagnetic sublattices below Tc=126 K, with ordered moments of 1.65(4) and 0.49(4) Bohr magnetons per formula unit, respectively (T=10 K), and a…

Small angle neutron scattering (SANS) magnetic and electrical transport measurements were performed to study a single crystal of Pr0.7Ca0.3MnO3, a colossal magnetoresistive (CMR) material. While the magnetic field induced transformation of…

Materials Science · Physics 2009-11-13 D. Saurel , Ch. Simon , A. Brulet , A. Heinemann , C. Martin

We have investigated the magnetic diffuse scattering of isostructural $S$ = 5/2 fcc antiferromagnets Ba$_2$MnTeO$_6$ and Ba$_2$MnWO$_6$ using polarized neutrons. Both materials display short-range correlated magnetism above their respective…

The knowledge of how the magnetization looks inside a ferromagnet is often hindered by the limitations of the available experimental methods that are sensitive only to the surface regions or limited in spatial resolution. We report the 3D…

The magnetization of thin films of cobalt ferrite frequently falls far below the bulk value of 455 kAm-1, which corresponds to an inverse cation distribution in the spinel structure with a significant orbital moment of about 0.6 muB that is…

Materials Science · Physics 2018-01-03 F. Eskandari , S. B. Porter , M. Venkatesan , P. Kameli , K. Rode , J. M. D. Coey

We investigated magnetic textures in a Sc-doped hexaferrite film by means of phase microscopy (PM) with a hole-free phase plate in a transmission electron microscope. In a zero magnetic field, the stripe-shaped magnetic domains coexist with…

Materials Science · Physics 2021-05-04 Atsuhiro Kotani , Ken Harada , Marek Malac , Hiroshi Nakajima , Kosuke Kurushima , Shigeo Mori

The study of the magnetic properties depending upon mechanical milling of the ferromagnetic polycrystalline TbAl_2 material is reported. The Rietveld analysis of the X-ray diffraction data reveals a decrease of the grain size down to 14 nm…

Disordered Systems and Neural Networks · Physics 2015-06-25 D. P. Rojas , L. Fernandez Barquin , J. Rodriguez Fernandez , J. I. Espeso , J. C. Gomez Sal

Crystal and magnetic structures of $R_2$Ni$_2$In ($R$ = Tb and Ho) have been studied by powder neutron diffraction at low temperatures. The compounds crystallize in an orthorhombic crystal structure of the Mn$_2$AlB$_2$-type. At low…

A magnetization process in two-dimensional ferrimagnet BIPNNBNO is analyzed. The compound consists of ferrimagnetic (1,1/2) chains coupled by two sorts of antiferromagnetic interactions. Whereas a behavior of the magnetization curve in…

Mesoscale and Nanoscale Physics · Physics 2011-12-08 V. E. Sinitsyn , I. G. Bostrem , A. S. Ovchinnikov , Y. Hosokoshi , K. Inoue

Competing magnetic interactions, frustration driven quantum fluctuations, and spin correlations offer an ideal route for the experimental realization of emergent quantum phenomena and exotic quasi particle excitations in 3D frustrated…

Strongly Correlated Electrons · Physics 2024-07-09 J. Khatua , Suheon Lee , Gyungbin Ban , Marc Uhlarz , Kwang-Yong Choi , P. Khuntia

Using the experimental capability of the novel X-ray diffraction instrument available at the 25 Tesla Florida Split Coil Magnet at the NHMFL, Tallahassee we present an extensive investigation on the magnetostriction of polycrystalline…

Materials Science · Physics 2021-06-23 S. Sharma , A. E. Kovalev , D. J. Rebar , D. Mann , V. Yannello , M. Shatruk , A. V. Suslov , J. H. Smith , T. Siegrist

Pr0.9Sr0.1CoO2.99 sample exhibits magnetoresistivity (MR) of up to 40 % at 5 K with a strong hysteresis/memory effect. Magnetisation measurements on Pr0.9Sr0.1CoO2.99 in an applied field of 100 Oe show that, as temperature decreases, the…

Strongly Correlated Electrons · Physics 2009-11-07 V. P. S. Awana , J. Nakamura , M. Karppinen , H. Yamauchi , S. K. Malik

The nature of the low temperature ground state of the pyrochlore compound Tb2Ti2O7 remains a puzzling issue. Dynamic fluctuations and short-range correlations persist down to 50 mK, as evidenced by microscopic probes. In parallel,…

Strongly Correlated Electrons · Physics 2012-08-02 E. Lhotel , C. Paulsen , P. Dalmas de Réotier , A. Yaouanc , C. Marin , S. Vanishri

Intermetallic Pd-doped (Fe,Ni)$_3$P, that crystalizes in a non-centrosymmetric tetragonal structure with $S_4$ symmetry, has recently been discovered to host magnetic antiskyrmions, antivortex-like topological spin textures. In this…

Strongly Correlated Electrons · Physics 2022-10-20 Kosuke Karube , Victor Ukleev , Fumitaka Kagawa , Yoshinori Tokura , Yasujiro Taguchi , Jonathan S. White

We have a choice of methods for examining domains at the surface of a ferromagnet that depend on probing the stray field distribution, but these methods do not work in antiferromagnets or compensated ferrimagnets, which produce no stray…

Materials Science · Physics 2018-12-14 K. E. Siewierska , N. Teichert , R. Schäfer , J. M. D. Coey

Neutron Scattering measurements for YBa$_2$Cu$_3$O$_{6.6}$ have identified small magnetic moments that increase in strength as the temperature is reduced below $T^\ast$ and further increase below $T_c$. An analysis of the data shows the…

Superconductivity · Physics 2009-11-07 H. A. Mook , Pengcheng Dai , F. Dogan
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