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Related papers: Magnetic Anomalies in a New Manganocuprate Gd3Ba2M…

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Magnetic-field changes $<$ 0.2 Oe over the scan length in magnetometers that necessitate sample movement are enough to create artifacts in the dc magnetization measurements of the weakly ferromagnetic superconductor…

The compound, Sr3NiPtO6, belonging to a K4CdCl6-type rhombohedral structure, has been reported not to exhibit magnetic ordering at least down to 1.8 K, despite a relatively large value of paramagnetic Curie temperature. This is attributable…

Strongly Correlated Electrons · Physics 2009-06-29 S. Narayana Jammalamadaka , Niharika Mohapatra , Karthik K Iyer , E. V. Sampathkumaran

Two-dimensional magnets could potentially revolutionize information technology, but their potential application to cooling technology and magnetocaloric effect (MCE) in a material down to the monolayer limit remain unexplored. Herein, we…

Materials Science · Physics 2023-03-29 Weiwei He , Yan Yin , Qihua Gong , Richard F. L. Evans , Oliver Gutfleisch , Baixiang Xu , Min Yi , Wanlin Guo

The magnetic properties of the Tb-honeycomb lattice compound TbPt6Al3, which crystallizes in the NdPt6Al3-type trigonal structure, have been studied by the measurements of electrical resistivity, magnetization M(T, B), and specific heat on…

Strongly Correlated Electrons · Physics 2025-09-15 R. Oishi , T. Taniguchi , D. T. Adroja , M. D. Le , M. Aouane , T. Onimaru , K. Umeo , I. Ishii , T. Takabatake

Calcium ruthenate ($CaRuO_3$) is widely believed to be located close to a quantum critical point due to the strong non-Fermi-liquid behavior expressed in the temperature dependence of electronic transport, specific heat, optical…

Strongly Correlated Electrons · Physics 2018-10-23 I. M. Bradarić , V. M. Matić , I. Savić , Hugo Keller

Torque magnetization measurements on YBa$_2$Cu$_3$O$_{y}$ (YBCO) at doping $y=6.67$($p=0.12$), in DC fields ($B$) up to 33 T and temperatures down to 4.5 K, show that weak diamagnetism persists above the extrapolated irreversibility field…

We report anisotropic magnetocaloric effect and critical behavior in quasi-one-dimensional ferromagnetic CrSbSe$_3$ single crystal. The maximum magnetic entropy change $-\Delta S_M^{max}$ is 2.16 J kg$^{-1}$ K$^{-1}$ for easy $a$ axis (2.03…

Strongly Correlated Electrons · Physics 2020-07-20 Yu Liu , Zhixiang Hu , C. Petrovic

Heat capacity of polycrystalline R2Ti3Ge4 (R = Gd, Tb and Er) compounds (Orthorhombic, Sm5Ge4-type, Space group Pnma) has been studied in the temperature range of 1.8 K to 300 K in various applied magnetic fields. The compounds with…

Materials Science · Physics 2009-11-13 R. Nirmala , Darshan C. Kundaliya , A. V. Morozkin , S. K. Malik

The Gd5.09Ge2.03Si1.88 compound, as well as other magnetocaloric materials, certainly will not be used in their un-manufactured as-cast condition in future magnetic refrigeration applications or other devices. In this work, we have studied…

Materials Science · Physics 2018-03-01 A. M. G. Carvalho , C. S. Alves , P. V. Trevizoli , A. O. dos Santos , S. Gama , A. A. Coelho

We report a large entropy change (DeltaS) below 300 K, peaking near TC= 220 K, due to isothermal change of magnetic field, for Gd4Co3, with a refrigeration capacity higher than that of Gd. Notably, the isothermal magnetization is…

Strongly Correlated Electrons · Physics 2008-06-12 Niharika Mohapatra , Kartik K Iyer , E. V. Sampathkumaran

We report a novel feature of the temperature induced magnetization jump observed along the a-axis of the GdVO3 single crystal at temperature TM = 0.8 K. Below TM, the compound shows no coercivity and remanent magnetization indicating a…

Strongly Correlated Electrons · Physics 2009-11-11 L D Tung

Gd2GaSbO7 and Gd2InSbO7 pyrochlore compounds exhibit quantum fluctuations in a spin ice-like state. These compounds have not been adequately studied based on the concept of magnetic frustration. Here, we have synthesised and characterised…

Strongly Correlated Electrons · Physics 2024-08-06 S. Nallamuthu , Andrea Dzubinska , K. Arun , Vimaljith A. R , Marian Reiffers , R. Nagalakshmi , Ivan Curlik , Sergej Ilkovic

The dielectric properties of MnFe$_2$O$_4$ and $\gamma$-Fe$_2$O$_3$ magnetic nanoparticles embedded in insulating matrices were investigated. The samples showed frequency dependent dielectric anomalies coincident with the magnetic blocking…

Materials Science · Physics 2007-05-23 G. Lawes , R. Tackett , O. Masala , B. Adhikary , R. Naik , R. Seshadri

We prospect magneto-dielectricity in $La_{0.53}Ca_{0.47}MnO_{3}$ across its paramagnetic (PMI) to ferromagnetic (FMM) isostructural transition at $T_{C} \sim 253K$, by magnetic ($(M)$), caloric ($(W)$), dielectric ($(\epsilon')$),…

Materials Science · Physics 2017-07-26 Suchita Pandey , Jitender Kumar , A. M. Awasthi

We have synthesized a new quaternary borocarbide PrPd$_{2}$B$_{2}$C and measured its magnetization, electrical resistivity and specific heat. The compound crystallizes in the LuNi$_{2}$B$_{2}$C-type tetragonal structure (space group {\it…

Materials Science · Physics 2009-11-13 V. K. Anand , A. Chaudhuri , S. K. Dhar , C. Geibel , Z. Hossain

We have investigated magnetic, dielectric and magnetodielectric properties of La2CoMnO6 nanoparticles prepared by sol-gel method. Magnetization measurements revealed two distinct ferromagnetic transitions at 218 K and 135 K that can be…

Materials Science · Physics 2015-06-03 J. Krishna Murthy , A. Venimadhav

The results of dc magnetization, electrical and magnetoresistance and heat capacity measurements (2-300 K) on Tb7Rh3, crystallizing in Th7Fe3-type hexagonal structure, are reported. In this compound, magnetic ordering sets in around 90 K…

Strongly Correlated Electrons · Physics 2022-04-26 Kausik Sengupta , Kartik K Iyer , E. V. Sampathkumaran

A single-phase polycrystalline La0.5Ba0.5CoO3-d sample was synthesized by microwave irradiation within 20 minutes of processing time and its structural, magnetic, electrical, and magnetostrictive properties were investigated. While the…

Materials Science · Physics 2024-06-12 M. Manikandan , A. Ghosh , R. Mahendiran

We report magnetization and specific heat measurements in the 2D frustrated spin-1/2 Heisenberg antiferromagnet Cs2CuCl4 at temperatures down to 0.05 K and high magnetic fields up to 11.5 T applied along a, b and c-axes. The low-field…

Strongly Correlated Electrons · Physics 2013-06-25 Y. Tokiwa , T. Radu , R. Coldea , H. Wilhelm , Z. Tylczynski , F. Steglich

We report magnetic field dependent magnetization and microwave impedance measurements on a MgB2 superconductor prepared by high pressure synthesis. We find that the upper critical field is linearly dependent on temperature near Tc and the…

Superconductivity · Physics 2009-11-07 A. Dulcic , D. Paar , M. Pozek , G. V. M. Williams , S . Kramer , C. U. Jung , Min-Seok Park , Sung-Ik Lee