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Related papers: R-M interactions in R2BaMO5 (R=Y or Gd and M=Cu or…

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We have investigated magnetocaloric effect in double perovskite Gd2NiMnO6 (GNMO) and Gd2CoMnO6 (GCMO) samples by magnetic and heat capacity measurements. Ferromagnetic ordering is observed at ~130 K (~112 K) in GNMO (GCMO), while the Gd…

Materials Science · Physics 2015-09-30 J. Krishna Murthy , K. Devi Chandrasekhar , Sudipta Mahana , D. Topwal , A. Venimadhav

The high-temperature ferroelectric order and a remarkable magnetoelectric effect driven by the magnetic field cooling are reported in R2BaCuO5 (R = Er, Dy, Sm) series. The ferroelectric (FE) orders are observed at much higher temperatures…

Materials Science · Physics 2019-07-17 A. Indra , S. Mukherjee , S. Majumdar , O. Gutowski , M. v. Zimmermann , S. Giri

Gd6FeBi2 is reported as the only one room-temperature magnet with a Curie temperature (Tc) of ca. 350 K among more than hundreds of compounds with its structural type, which makes it more attractive in potential applications. To reveal the…

Applied Physics · Physics 2020-02-18 Guoming Cui , Huan Ma , Kam Wa Wong , Chan Hung Shek , Guangcun Shan , Jiliang Zhang

We present an investigation into the intrinsic magnetic properties of the compounds YCo5 and GdCo5, members of the RETM5 class of permanent magnets (RE = rare earth, TM = transition metal). Focusing on Y and Gd provides direct insight into…

Neutron diffraction has been used to study the magnetic order in RuSr{2}GdCu2O8. The Ru moments order antiferromagnetically at T{N}=136(2)K, coincident with the previously reported onset of ferromagnetism. Neighboring spins are antiparallel…

Superconductivity · Physics 2009-10-31 J. W. Lynn , B. Keimer , C. Ulrich , C. Bernhard , J. L. Tallon

The chain-like system Ba_{3}Cu_{3}Sc_4O_{12} has potentially interesting magnetic properties due to the presence of Cu^{2+} and a structure-suggested low-dimensionality. We present magnetization M versus magnetic field H and temperature T,…

Strongly Correlated Electrons · Physics 2012-11-16 B. Koteswararao , A. V. Mahajan , F. Bert , P. Mendels , J. Chakraborty , V. Singh , I. Dasgupta , S. Rayaprol , V. Siruguri , A. Hoser , S. D. Kaushik

We report on the low-temperature magnetic susceptibilities and specific heats of the isostructural spin-ladder molecular complexes L$_{2}$[M(opba)]$_{3\cdot x$DMSO$\cdot y$H$_{2}$O, hereafter abbreviated with L$_{2}$M$_{3}$ (where L = La,…

Condensed Matter · Physics 2007-05-23 M. Evangelisti , M. L. Kahn , J. Bartolome , L. J. de Jongh , C. Meyers , J. Leandri , Y. Leroyer , C. Mathoniere

Neutron diffraction studies have been carried out on a single crystal of oxygen-deficient perovskite NdBaCo2O5 in the temperature range of 7-370 K. There have been observed, with decreasing temperature T, two magnetic transitions…

Strongly Correlated Electrons · Physics 2009-11-10 Minoru Soda , Yukio Yasui , Masafumi Ito , Satoshi Iikubo , Masatoshi Sato , Kazuhisa Kakurai

We report complex magnetic, magnetoresistance (MR) and magnetocaloric properties of Gd4RhAl and Tb4RhAl forming in the Gd4RhIn type cubic structure. Though the synthesis of the compounds was reported long ago, to our knowledge, no attempt…

Strongly Correlated Electrons · Physics 2021-04-30 Ram Kumar , Kartik K Iyer , P. L. Paulose , E. V. Sampathkumaran

The electrical resistivity, magnetization and heat-capacity behavior of the Gd-based compounds, Gd2Co2Al, Gd2Co2Ga and Gd7Rh3, ordering magnetically at TC= 78 K, TC= 76 K and TN= 140 K have been investigated as a function of temperature and…

Strongly Correlated Electrons · Physics 2009-11-11 Kausik Sengupta , Kartik K. Iyer , E. V. Sampathkumaran

A comprehensive experimental and theoretical study of the low temperature properties of GdCoIn$_5$ was performed. Specific heat, thermal expansion, magnetization and electrical resistivity were measured in good quality single crystals down…

The magnetic behavior of the compound, Gd3Ru4Al12, which has been reported to crystallize in a hexagonal structure about two decades ago, had not been investigated in the past literature despite interesting structural features (that is,…

Strongly Correlated Electrons · Physics 2016-06-22 Venkatesh Chandragiri , Kartik K Iyer , E. V. Sampathkumaran

We have carried out dc magnetization (M), heat-capacity (C) and dielectric studies down to 2K for the compound GdCrTiO5, crystallizing in orthorhombic Pbam structure, in which well-known multiferroics RMn2O5 (R= Rare-earths) form. The…

Materials Science · Physics 2016-01-20 Tathamay Basu , Kiran Singh , Smita Gohil , Shankar Ghosh , E. V. Sampathkumaran

Results on electrical resistivity, magnetoresistance, magnetic Results on electrical resistivity, magnetoresistance, magnetic susceptibility, heat capacity and Gd Mossbauer measurements on a Gd-based intermetallic compound,…

Strongly Correlated Electrons · Physics 2009-10-31 R. Mallik , E. V. Sampathkumaran , M. Strecker , G. Wortmann

Magnetic and/or dielectric behaviors have been studied for YBaCuFeO5, LuBaCuFeO5 and TmBaCuFeO5, which are known as members of oxygen-defect ordered perovskite systems RBaCuFeO5 (R=lanthanides Ln and other trivalent elements) and have two…

Strongly Correlated Electrons · Physics 2010-09-21 Yuji Kawamura , Takahiro Kai , Erika Satomi , Yukio Yasui , Yoshiaki Kobayashi , Masatoshi Sato

The magnetic properties of GdBaMn_{2}O_{5.0}, which exhibits charge ordering, are studied from 2 to 400 K using single crystals. In a small magnetic field applied along the easy axis, the magnetization M shows a temperature-induced reversal…

Materials Science · Physics 2009-11-13 A. A. Taskin , Yoichi Ando

Motivated by the recent observations of incommensurate magnetic order and electric polarization in YBaCuFeO5 up to temperatures TN2 as high as 230K [1,2] we report here for the first time a model for the incommensurate magnetic structure of…

Magnetic susceptibility, heat capacity and electrical resistivity measurements have been carried out on a new ruthenate, La2RuO5 (monoclinic, space group P21/c) which reveal that this compound is a magnetic semiconductor with a high…

Materials Science · Physics 2009-11-11 S. K. Malik , Darshan C. Kundaliya , R. D. Kale

We present an investigation of magnetic ordering in the two-dimensional S=1/2 quantum magnet Cu(Pz)_2(ClO_4)_2 using specific heat and zero field muon-spin relaxation (\mu^+SR). The magnetic contribution to the specific heat is consistent…

A reentrant behavior of temperature dependent magnetic ac-susceptibility (or excess susceptibility(ES)) at lower temperature is observed in a composite made of superconductor $La_{1.85}Sr_{0.15}CuO_4$ (LCu) and an insulating paramagnetic…

Strongly Correlated Electrons · Physics 2024-07-02 Biswajit Dutta , A. Banerjee
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