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Related papers: Ferromagnetic Kondo lattice behavior in Ce11Pd4In9

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We investigated the electronic structure of the enigmatic CeRh$_3$B$_2$ using resonant inelastic scattering and x-ray absorption spectroscopy in combination with $ab$ $initio$ density functional calculations. We find that the Rh 4$d$ states…

The interplay of Kondo screening and magnetic ordering in strongly correlated materials containing local moments is a subtle problem.[1] Usually the number of conduction electrons matches or exceeds the number of moments, and a…

The compounds, PrCo9Si4 and NdCo9Si4, have been recently reported to exhibit first-order ferromagnetic transitions near 24 K. We have subjected this compound for further characterization by magnetization, heat-capacity and electrical…

Materials Science · Physics 2009-11-13 Niharika Mohapatra , E. V. Sampathkumaran

We have measured both magnetoresistance and Hall effect in CeOs$_4$Sb$_{12}$ to clarify the large resistivity state ascribed to the Kondo insulating one and the origin of the phase transition near 0.9 K reported in the specific heat…

Strongly Correlated Electrons · Physics 2007-05-23 H. Sugawara , S. Osaki , M. Kobayashi , T. Namiki , S. R. Saha , Y. Aoki , H. Sato

We carried out a comprehensive study of the structural, electrical transport, thermal and thermodynamic properties in ferrimagnetic Mn$_3$Si$_2$Te$_6$ single crystals. Mn and Te $K$-edge X-ray absorption spectroscopy and synchrotron powder…

Strongly Correlated Electrons · Physics 2021-10-22 Yu Liu , Zhixiang Hu , Milinda Abeykoon , Eli Stavitski , Klaus Attenkofer , Eric D. Bauer , C. Petrovic

We report the observation of a superconducting state below 8K coexistent with a spin-glass state caused by atomic disorder in Ce substituted Ca3Rh4Sn13. Measurements of specific heat, resistivity, and magnetism reveal the existence of…

Superconductivity · Physics 2016-06-16 A. Slebarski , J. Goraus , M. M. Maska , P. Witas , M. Fijalkowski , C. T. Wolowiec , Y. Fang , M. B. Maple

CeIrSn with a quasikagome Ce lattice in the hexagonal basal plane is a strongly valence fluctuating compound, as we confirm by hard x-ray photoelectron spectroscopy and inelastic neutron scattering, with a high Kondo temperature of…

Novel electronic phenomena frequently form in heavy fermions as a consequence of the mutual nature of localization and itineracy of f electrons. On the magnetically ordered side of the heavy fermion phase diagram, f moments are expected to…

We examined the magnetic properties of the square-lattice antiferromagnets CeMnAsO and LaMnAsO and their solid solutions La1-xCexMnAsO by resistivity, magnetic susceptibility, and heat capacity measurements below room temperature. A…

Strongly Correlated Electrons · Physics 2015-05-30 Yuto Tsukamoto , Yoshihiko Okamoto , Kazuyuki Matsuhira , Myung-Hwan Whangbo , Zenji Hiroi

The microscopic details of the suppression of antiferromagnetic order in the Kondo-lattice series Ce$_{1-x}$La$_{x}$Cu$_{2}$Ge$_{2}$ due to nonmagnetic dilution by La are revealed through neutron diffraction results for $x=0.20$, $0.40$,…

We have investigated the magnetic behavior of ball-milled fine particles of well-known Kondo lattices, CeAu2Si2, CePd2Si2 and CeAl2, by magnetization and heat-capacity studies in order to understand the magnetic behavior when the particle…

Strongly Correlated Electrons · Physics 2015-06-03 K. Mukherjee , Kartik K. Iyer , E. V. Sampathkumaran

This study reports the synthesis and physical properties of polycrystalline Dy$_2$CoCrO$_6$ (DCCO) nanoparticles. Analysis of the powder X-ray diffraction (XRD) pattern using Rietveld refinement showed that the compound crystallizes in an…

Materials Science · Physics 2025-06-03 M. M. Islam , M. A. Islam , Rana Hossain , M. J. Hosen , M. D. I. Bhuyan

The influence of pressure on the magnetically ordered CePd_{2.02}Ge_{1.98} has been investigated by a combined measurement of electrical resistivity, $\rho(T)$, and ac-calorimetry, C(T), for temperatures in the range 0.3 K<T<10 K and…

Strongly Correlated Electrons · Physics 2009-11-07 H. Wilhelm , D. Jaccard

The magnetic and structural properties of polycrystalline Co$_{4-x}$ Ni$_x$ Nb$_2$ O$_9$ (x=1,2) have been investigated by neutron powder diffraction, magnetization and heat capacity measurements, and density functional theory (DFT)…

We investigate the spin-resolved transport properties, such as the linear conductance and the tunnel magnetoresistance, of a double quantum dot device attached to ferromagnetic leads and look for signatures of SU(4) symmetry in the Kondo…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 Ireneusz Weymann , Razvan Chirla , Piotr Trocha , Catalin Pascu Moca

Dilute Nd in simple cubic LaB$_6$ shows electrical resistance and specific heat features at low temperature consistent with a Kondo scale of $T_K \lesssim$ 0.3 K. Nd has a well localized {\it 4f}$^{3}$ {\it J} = 9/2 Hund's Rule…

Strongly Correlated Electrons · Physics 2012-06-22 Jolanta Stankiewicz , Marco Evangelisti , Zachary Fisk , Pedro Schlottmann , Lev P. Gor'kov

The novel ternary compound CeCo$_9$Si$_4$ has been studied by means of specific heat, magnetisation, and transport measurements. Single crystal X-ray Rietveld refinements reveal a fully ordered distribution of Ce, Co and Si atoms with the…

Strongly Correlated Electrons · Physics 2018-05-04 M. El-Hagary , H. Michor , E. Bauer , R. Groessinger , P. Kerschl , D. Eckert , K. -H. Mueller , P. Rogl , G. Giester , G. Hilscher

Most of magnetic transitions related to Ce ordering are found below T_ord~12K. Among the few cases exceeding that temperature, two types of behaviors can be distinguished. One of them is related to the rare cases of Ce binary compounds…

Strongly Correlated Electrons · Physics 2015-06-19 J. G. Sereni , P. Pedrazzini , M. Gómez Berisso , A. Chacoma , S. Encina , T. Gruner , N. Caroca-Canales , C. Geibel

We have studied the origin of zero volume expansion below the Curie temperature (Tc), variable range hopping (VRH) behaviour using structural, magnetic, transport and thermal studies on the oxygen deficient double perovskite…

Strongly Correlated Electrons · Physics 2025-03-18 Himanshu Pant , Saurabh Singh , Jaskirat Brar , Priyamedha Sharma , M. Bharath , Kentaro Kuga , Tsunehiro Takeuchi , R. Bindu

We report the synthesis, structure, and magnetic and transport properties of a new ternary intermetallic compound PrRhSn3 which crystallizes in LaRuSn3-type cubic structure (space group Pm-3n). At low applied fields the dc magnetic…

Strongly Correlated Electrons · Physics 2014-07-22 V. K. Anand , D. T. Adroja , A. D. Hillier