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Related papers: Interplay between Co-3d and Ce-4f magnetism in CeC…

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A nonmagnetic phase transition at $T_0 \sim 12$ K in the tetragonal system CeCoSi with a Kramers doublet ground state is reminiscent of an electric quadrupole ordering, even though its well-separated crystal-electric-field (CEF) levels are…

Strongly Correlated Electrons · Physics 2023-08-21 Masahiro Manago , Ayano Ishigaki , Hideki Tou , Hisatomo Harima , Hiroshi Tanida , Hisashi Kotegawa

In this work, we combined magnetization, pressure dependent electrical resistivity, heat-capacity, 63Cu Nuclear Magnetic Resonance (NMR) and X-ray resonant magnetic scattering experiments to investigate the physical properties of the…

We report the magnetic, thermal, magnetocaloric and transport properties of polycrystalline NdCuSi. The compound shows a weak antiferromagnetic ordering, as confirmed by different measurements. Arrott plots indicate that the magnetic phase…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin Gupta , K. G. Suresh1 , A. K. Nigam

The tetragonal heavy fermion compound CeRh2As2 has intriguing low temperature symmetry breaking phases whose nature is unclear. The unconventional superconducting phase is complemented by other normal state phases which presumably involve…

Strongly Correlated Electrons · Physics 2024-09-04 Burkhard Schmidt , Peter Thalmeier

Motivated by the recent discovery of a semiclassical nematic spin liquid state in a Heisenberg kagom\'e antiferromagnet Li9Fe3(P2O7)3(PO4)2 (LFPO) with S=5/2 [Kermarrec et al. Phys. Rev. Lett. 127, 157202 (2021)], we now investigate the…

Strongly Correlated Electrons · Physics 2023-12-05 R. Kumar , A. Chakraborty , S. Fukuoka , F. Damay , E. Kermarrec , P. L. Paulose , Y. Ihara

Quantum magnets based on honeycomb lattices with low-coordination number offer a viable ground to realize exotic emergent quantum excitations and phenomena arising from the interplay between competing magnetic interactions, spin…

Strongly Correlated Electrons · Physics 2024-11-14 J. Khatua , M. Gomilsek , Kwang-Yong Choi , P. Khuntia

We have investigated the evolution of the low temperature specific heat anomaly (TN=5.4K in zero field) in polycrystalline SmFeAsO samples with magnetic fields up to 35T. The anomaly remains very sharp up to 16T and becomes rounded with…

Superconductivity · Physics 2009-12-10 S. Riggs , C. Tarantini , J. Jaroszynski , A. Gurevich , A. Palenzona , M. Putti , T. Duc Nguyen , M. Affronte

The interplay of magnetic correlations, crystal electric field interactions, and spin-orbit coupling in low-dimensional frustrated magnets fosters novel ground states with unusual excitations. Here, we report the magnetic properties and…

Materials Science · Physics 2024-09-02 S. Guchhait , A. Painganoor , S. S. Islam , J. Sichelschmidt , M. D. Le , N. B. Christensen , R. Nath

Polycrystalline samples of the isostructural alloys UNi1-xCoxSi2 (0 <= x <= 1) were studied by means of x-ray powder diffraction, magnetization, electrical resistivity and specific heat measurements, at temperatures down to 2 K and in…

Strongly Correlated Electrons · Physics 2012-02-20 A. P. Pikul , D. Kaczorowski

The magnetic and thermodynamic properties of the two-dimensional quantum Heisenberg antiferromagnet that incorporates both a Dzyaloshinskii-Moriya and pseudo-dipolar interactions are studied within the framework of a generalized nonlinear…

Strongly Correlated Electrons · Physics 2008-11-26 M. B. Silva Neto , L. Benfatto , V. Juricic , C. Morais Smith

We report on the synthesis of single crystalline and polycrystalline samples of Ce$_{3-x}$Mg$_x$Co$_9$ solid solution ($0\leq x \lesssim 1.4$) and characterization of their structural and magnetic properties. The crystal structure remains…

Crystal structure, thermal and magnetic properties were systematically studied in the Y$_{1-x}$Pr$_x$CrO$_3$ with $0 \leq x \leq 0.3$ compositions. Magnetic susceptibility and specific heat measurements show an increase of the…

Materials Science · Physics 2018-02-08 A. Durán , R. Escamilla , R. Escudero , F. Morales , E. Verdín

Among the members of the series R2PdSi3 (R= Rare-earths), the magnetic behavior of the Nd compound is interesting in some respects. This compound is considered to order ferromagnetically (below 16 K), unlike other members of this series…

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

A systematic analysis of thermodynamic properties performed on Ce-base exemplary compounds allows to identify different types of behaviors as the system approaches the quantum critical region. They are recognized in the respective magnetic…

Strongly Correlated Electrons · Physics 2011-08-02 Julian G. Sereni

Features of low dimensional magnetism resulting from a square-net arrangement of Co atoms in trirutile CoTa$_2$O$_6$ is studied in the present work by means of density functional theory and is compared with the experimental results of…

We report the electronic properties of R4PtAl (R = Ho, and Er), which contains 3 sites for R, by the measurements of magnetization (ac and dc), heat-capacity, transport, and magnetoresistance (MR). Dc magnetization data reveal…

The rare-earth intermetallic compound Ho$_5$Sn$_3$ demonstrates fascinating magnetic properties which include temperature-driven multiple magnetic transitions and field driven metamagnetism. We address the magnetic character of this…

Strongly Correlated Electrons · Physics 2021-12-15 Suman Mondal , Pushpendra Yadav , Anan Bari Sarkar , Prabir Dutta , Saurav Giri , Amit Agarwal , Subham Majumdar

[Ca$_2$CoO$_3$]$_{0.62}$[CoO$_2$], a two dimensional misfit metallic compound, is famous for its rich phases accessed by temperature, $i.e.$ high temperature spin-state transition, metal-insulator transition (MIT) at intermediate…

We present a detailed study on magnetic, thermodynamic and transport properties of polycrystalline RAgAl3(R = Ce and Pr) compounds. Both compounds crystallize in orthorhombic structure, which is distorted from the tetragonal BaAl4 structure…

Strongly Correlated Electrons · Physics 2017-08-23 S. Nallamuthu , Andrea Dzubinska , Marian Reiffers , Jesus Rodriguez Fernandez , R. Nagalakshmi

Systematic measurements of temperature dependent magnetization, resistivity and angle-resolved photoemission spectroscopy (ARPES) at ambient pressure as well as resistivity under pressures up to 5.25 GPa were conducted on single crystals of…