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Related papers: Itinerant G-type antiferromagnetic order in SrCr$_…

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Using magnetic neutron scattering we characterize an unusual low temperature phase in orthorhombic SrCuO2. The material contains zigzag spin ladders formed by pairs of S=1/2 chains (J=180 meV) coupled through a weak frustrated interaction…

Materials Science · Physics 2009-10-31 I. A. Zaliznyak , C. Broholm , M. Kibune , M. Nohara , H. Takagi

R$_2$Mo$_2$O$_7$ compounds show a ferromagnetic metal-insulator spin glass transition tuned by the radius of the rare earth ion R$^{3+}$. We have studied Gd$_2$Mo$_2$O$_7$ located on the verge of the transition, by neutron diffraction on a…

Strongly Correlated Electrons · Physics 2007-05-23 I. Mirebeau , A. Apetrei , I. Goncharenko , D. Andreica , P. Bonville , J. P. Sanchez , A. Amato , E. Suard , W. A. Crichton

The ground state magnetic behaviour of Ce2(Pd0.8Ag0.2)2In and Ce2(Pd0.5Ag0.5)2In, found in the ferromagnetic branch of Ce2Pd2In, has been investigated by neutron powder diffraction at low temperature. Ce2(Pd0.8Ag0.2)2In is characterized by…

Strongly Correlated Electrons · Physics 2018-06-11 A. Martinelli , M. Giovannini , J. G. Sereni , C. Ritter

Single crystals of La2Ni7 have been grown out of a binary, La-Ni melt. Temperature dependent, zero magnetic field, specific heat, electrical resistivity, and low field magnetization measurements indicate that there is a series of…

Strongly Correlated Electrons · Physics 2022-01-26 Raquel A. Ribeiro , Sergey L. Bud'ko , Li Xiang , Dominic H. Ryan , Paul C. Canfield

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

$^{75}$As nuclear magnetic resonance (NMR) measurements carried out on underdoped, non-superconducting Ca$_{10}$(Pt$_3$As$_8$)(Fe$_2$As$_2$)$_5$ reveal physical properties that are similar but not identical to the 122 superconductor parent…

Strongly Correlated Electrons · Physics 2013-02-22 T. Zhou , G. Koutroulakis , J. Lodico , Ni Ni , J. D. Thompson , R. J. Cava , S. E. Brown

Measuring the ESR of Gd spin probes we have studied the magnetic properties of the copper oxide planes in the low temperature tetragonal (LTT) phase of Eu doped La_{2-x}Sr_xCuO_4. The data give evidence that at particular levels of Sr and…

Superconductivity · Physics 2009-10-28 V. Kataev , B. Rameev , B. Buechner , M. Huecker , R. Borowski

The crystal structure and the magnetic properties of the W1-xNbxO3-d, (x<0.03) system have been investigated. In contrast to the orthorhombic diamagnetic WO3, the material with x=0.01 is paramagnetic down to 5 K. Introducing of 2.5 at. % of…

Materials Science · Physics 2009-11-07 I. Felner , U. Asaf , M. Weger

We report a single-crystal neutron diffraction study of the layered $\rm Sr_2IrO_4$. This work unambiguously determines the magnetic structure of the system and reveals that the spin orientation rigidly tracks the staggered rotation of the…

Strongly Correlated Electrons · Physics 2013-04-23 Feng Ye , Songxue Chi , Bryan C. Chakoumakos , Jaime A. Fernandez-Baca , Tongfei Qi , G. Cao

We report a muSR study of LiCrO2, which has a magnetic lattice made up of a stacking of triangular Heisenberg antiferromagnetic (Cr3+, S = 3/2) layers. A static magnetically ordered state is observed below the transition temperature T_N =…

Strongly Correlated Electrons · Physics 2009-06-09 A. Olariu , P. Mendels , F. Bert , L. K. Alexander , A. V. Mahajan , A. D. Hillier , A. Amato

We report structural, detailed DC and linear/non-linear AC, isothermal and thermoremanent magnetization study of the rutheno-cuprate superconducting ferromagnet RuSr2Gd1.4Ce0.6Cu2O10-{\delta} (GdRu-1222). Structural analysis, by employing…

Superconductivity · Physics 2013-09-26 Anuj Kumar , R. P. Tandon , V. P. S. Awana

The crystal lattice of Sr$_2$IrO$_4$ is investigated with synchrotron X-ray powder diffraction under hydrostatic pressures up to $P=43$ GPa and temperatures down to $20$ K. The tetragonal unit cell is maintained over the whole investigated…

Strongly Correlated Electrons · Physics 2020-02-26 K. Samanta , R. Tartaglia , U. F. Kaneko , N. M. Souza-Neto , E. Granado

Systematic experimental (vibrating sample magnetometry) and theoretical (electronic structure calculations using charge and spin self-consistent Korringa-Kohn-Rostoker Green function method) studies were performed on a series of…

Strongly Correlated Electrons · Physics 2014-11-12 J. Cieslak , S. M. Dubiel , M. Reissner , J. Tobola

We report on the synthesis of a new $\gamma$-phase of the spin $S$~=~$\frac{3}{2}$ compound SrCo$_2$(PO$_4$)$_2$ together with a detailed structural, magnetic and thermodynamic properties. The $\gamma$-phase of SrCo$_2$(PO$_4$)$_2$…

Strongly Correlated Electrons · Physics 2021-03-30 Arvind Yogi , T. Chakrabarty , P. L. Paulose , Ruta Kulkarni , Mayanak Kumar Gupta , Arumugam Thamizhavel

We review neutron scattering investigations of the crystal structures, magnetic structures, and spin dynamics of the iron-based RFe(As,P)O (R=La, Ce, Pr, Nd), (Ba,Sr,Ca)Fe2As2, and Fe1+x(Te-Se) systems. On cooling from room temperature all…

Superconductivity · Physics 2009-05-20 Jeffrey W. Lynn , Pengcheng Dai

We report the results of Hall coefficient R_H and magnetoresistance (MR) measurements on single crystalline samples of Sr3Ru2O7 grown by the floating zone method. R_H was found to be positive over the entire temperature range studied (0.3 -…

Strongly Correlated Electrons · Physics 2010-10-11 Y. Liu , R. Jin , Z. Q. Mao , K. D. Nelson , M. K. Haas , R. J. Cava

Magnetic double perovskite compounds provide a fertile playground to explore interesting electronic and magnetic properties. By complementary macroscopic characterizations, neutron powder diffraction measurements and first-principles…

Strongly Correlated Electrons · Physics 2024-04-03 Cheng Su , Xu-Tao Zeng , Kaitong Sun , Denis Sheptyakov , Ziyu Chen , Xian-Lei Sheng , Haifeng Li , Wentao Jin

The ground-state magnetic structure of EuNi$_{2}$As$_{2}$ was investigated by single-crystal neutron diffraction. At base temperature, the Eu$^{2+}$ moments are found to form an incommensurate antiferromagnetic spiral-like structure with a…

Strongly Correlated Electrons · Physics 2019-01-30 W. T. Jin , N. Qureshi , Z. Bukowski , Y. Xiao , S. Nandi , M. Babij , Z. Fu , Y. Su , Th. Brückel

An electronic solid with itinerant carriers and localized magnetic moments represents a paradigmatic strongly correlated system. The electrical transport properties associated with the itinerant carriers, as they scatter off these local…

Strongly Correlated Electrons · Physics 2023-09-04 J. F. Mendez-Valderrama , Evyatar Tulipman , Elina Zhakina , Andrew P. Mackenzie , Erez Berg , Debanjan Chowdhury

Neutron diffraction and small angle scattering experiments have been carried out on the double-isotopic polycrystalline sample (7Li0.82Fe0.18OD)FeSe. Profile refinements of the diffraction data establish the composition and reveal an…