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Mo doped ruthenocuprates Ru1-xMoxSr2Eu1.5Ce0.5Cu2O10 are synthesized for x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0, and their magnetic and superconducting properties are studied. It has been found that the magnetic transition temperature…

Superconductivity · Physics 2009-11-11 V. P. S. Awana , R. Lal , H. Kishan , A. V. Narlikar , M. Peurla , R. Laiho

The appearance of static magnetism, nanoscopically coexisting with superconductivity, is shown to be a general feature of optimally electron-doped LnFe(1-x)Ru(x)AsO(1-y)F(y) superconductor (Ln - lanthanide ion) upon isovalent substitution…

Superconductivity · Physics 2013-04-29 S. Sanna , P. Carretta , R. De Renzi , G. Prando , P. Bonfà , M. Mazzani , G. Lamura , T. Shiroka , Y. Kobayashi , M. Sato

We present magnetic susceptibility, heat capacity, and neutron diffraction measurements of polycrystalline Nd2Ru2O7 down to 0.4 K. Three anomalies in the magnetic susceptibility measurements at 146, 21 and 1.8 K are associated with an…

Strongly Correlated Electrons · Physics 2018-07-31 S. T. Ku , Dinesh Kumar , M. R. Lees , W-T. Lee , R. Aldus , A. Studer , P. Imperia , S. Asai , T. Masuda , S. W. Chen , J. M. Chen , L. J. Chang

High-resolution and high-flux neutron as well as X-ray powder-diffraction experiments were performed on the oxypnictide series LaO(1-x)FxFeAs with 0<x<0.15 in order to study the crystal and magnetic structure. The magnetic symmetry of the…

Superconductivity · Physics 2012-01-12 N. Qureshi , Y. Drees , J. Werner , S. Wurmehl , C. Hess , R. Klingeler , B. Buechner , M. T. Fernandez-Diaz , M. Braden

Here we report the structural, electrical and magnetic properties of Fe doped La0.7Ca0.3Mn1-xFexO3 with x = 0.0 to 1.0 prepared by conventional solid state reaction method. Simulated data on XRD shows an increase in volume with an increase…

Strongly Correlated Electrons · Physics 2012-01-23 Neeraj Kumar , H. Kishan , V. P. S. Awana

We have studied the crystal and magnetic structures of Fe-doped hexagonal manganites LuMn1-xFexO3 (x = 0, 0.1, 0.2, and 0.3) by using bulk magnetization and neutron powder diffraction methods. The samples crystalize consistently in a…

We report a study of polycrystalline samples of the family La1-xCdxMnO3+dwith different percentage of Mn4+ ions. X-rays diffraction, Iodometric titration, Raman, Magnetic and Electrical Resistivity measurements provide a general…

Strongly Correlated Electrons · Physics 2007-05-23 J. Lopez , V. Dediu , P. Nozar , G. Ruani , C. Dionigi , F. C. Matacotta , C. Ferdeghini , G. Calestani

To study the relationship between the properties of low-dimensional spin systems with weakly coupled Cu-triangles and their crystal structure, single crystals of $Cs_3Cu_3Cl_8OH$ (1) and the new $Cs_3Cu_3Cl_{7.6}Br_{0.4}OH$ (2) were grown.…

We report our investigations on Ag3LiIr1.4Ru0.6O6, which results from the Ru substitution in the Kitaev quantum spin liquid candidate Ag3LiIr2O6. It crystallizes in the monoclinic C2/m space group like its parent compound, Ag3LiIr2O6. Our…

Strongly Correlated Electrons · Physics 2025-03-10 Sanjay Bachhar , M. Baenitz , John Wilkinson , A. V. Mahajan

Abundant phenomena in CoCr2-xMnxO4 (x = 0 ~ 2) samples such as magnetic compensation, magnetostriction and exchange bias effect have been observed and investigated in this work. A structure transition from cubic to tetragonal symmetry has…

Materials Science · Physics 2013-10-21 H. G. Zhang , W. H. Wang , E. K. Liu , X. D. Tang , G. J. Li , J. L. Chen , H. W. Zhang , G. H. Wu

The ESR signal of Gd spin probes (0.5 at %) as well as the static normal state susceptibility of Eu (J(Eu^{3+})=0) doped La_{2-x-y}Sr_xEu_yCuO_4 reveal pronounced changes of the Cu magnetism at the structural transition from the…

Superconductivity · Physics 2009-10-30 M. Huecker , J. Pommer , B. Buechner , V. Kataev , B. Rameev

We show that ac magnetoresistance at room temperature in La0.7Sr0.3MnO3 is extremely high (= 47% in H = 100 mT, f = 3-5 MHz), and magnetic field dependence of reactance exhibits a double peak behavior. However, magnitudes of the ac…

Materials Science · Physics 2015-05-14 A. Rebello , R. Mahendiran

Temperature dependent high pressure electrical resistivity studies has been carried out on Ba(Fe_{1-x}Ru_{x})_{2}As_{2} single crystals with x = 0.12, 0.26 and 0.35, which correspond to under doped, optimally doped and over doped…

Superconductivity · Physics 2014-02-17 T. R. Devidas , Awadhesh Mani , Shilpam Sharma , K. Vinod , A. Bharathi , C. S. Sundar

The effect of resistive switching in doped manganites being in the ferromagnetic state has been studied using resistive and magneto-optic methods. The visualization of magnetic structure of La0.75Sr0.25MnO3-x single crystals, and its…

Other Condensed Matter · Physics 2009-11-11 N. A. Tulina , L. S. Uspenskaya , V. V. Sirotkin , Y. M. Mukovskii , D. A Shulyatev

Layered ruthenates are prototype materials with strong structure-property correlations. We report the structural and physical properties of double-layered perovskite Sr3(Ru1-xMnx)2O7 single crystals with 0<=x<=0.7. Single crystal x-ray…

Strongly Correlated Electrons · Physics 2012-05-01 Biao Hu , Gregory T. McCandless , V. O. Garlea , S. Stadler , Yimin Xiong , Julia Y. Chan , E. W. Plummer , R. Jin

We report muon spin relaxation/rotation (uSR) measurements of single crystal Ba(Fe1-xCox)2As2 with x=0.038 and 0.047. Zero field (ZF)-uSR and Transverse field (TF)-iSR measurements of these underdoped samples find the presence of magnetism…

Superconductivity · Physics 2014-08-19 T. J. Williams , A. A. Aczel , S. L. Bud'ko , P. C. Canfield , J. P. Carlo , T. Goko , Y. J. Uemura , G. M. Luke

We have investigated the impact of Ru substitution for Co on the behavior of the ferromagnetic superconductor UCoGe by performing x-ray diffraction, magnetization, specific heat and electrical resistivity measurements on polycrystalline…

Strongly Correlated Electrons · Physics 2015-08-03 Michal Vališka , Jiří Pospíšil , Vladimír Sechovský , Martin Diviš , Mohsen M. Abd-Elmeguid

Zero-field muon spin relaxation (ZF-$\mu$SR) measurements were undertaken on under- and overdoped samples of superconducting YBa$_2$Cu$_3$O$_{6+x}$ to determine the origin of the weak static magnetism recently reported in this system. The…

In this paper the magnetic behaviour of undoped and 15% F doped SmFeAsO (Sm-1111) and LaFeAsO (La-1111) samples is presented and discussed. Magnetization measurements are not a simple tool to use for the characterisation of the new family…

Magnetic phase transitions under hydrostatic pressures in spin gap systems TlCu$_{0.988}$Mg$_{0.012}$Cl$_3$ and KCu$_{0.973}$Mg$_{0.027}$Cl$_3$ were investigated by magnetization measurements. The present doped systems exhibit…

Strongly Correlated Electrons · Physics 2015-06-25 T. Ono , H. Imamura , J. Kawakami , K. Goto , H. Tanaka
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