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Related papers: Magnetism out of disorder in a J=0 compound Ba2YIr…

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The dynamic magnetic properties of the distorted perovskite system La{0.7-x}Y{x}Ca{0.3}MnO{3} (0 <= x <= 0.15) have been investigated by ac-susceptibility and dc magnetization measurements, with emphasis on relaxation and aging studies.…

Strongly Correlated Electrons · Physics 2009-10-31 R. S. Freitas , L. Ghivelder , F. Damay , F. Dias , L. F. Cohen

The intriguing interplay between competing degrees of freedom in frustrated magnets can lead to non-trivial magnetic phenomena with exotic low-energy excitations that are highly relevant for addressing some of the fundamental questions in…

Strongly Correlated Electrons · Physics 2026-03-20 A. Yadav , U. Jena , A. Pradhan , Satish K. , P. Khuntia

Using x-ray powder diffraction technique at various temperatures and applied magnetic fields, we have studied the magnetostructural properties of Ce(Fe0.95Si0.05)2. The x-ray diffraction data establish quantitative relationships between…

Strongly Correlated Electrons · Physics 2010-05-21 Arabinda Haldar , Niraj K. Singh , Ya. Mudryk , K. G. Suresh , A. K. Nigam , V. K. Pecharsky

We find that the compounds for RE = Y, La-Dy, crystallize in the tetragonal Ibam (U$_2$Co$_3$Si$_5$ type) structure whereas the compounds for RE = Er-Lu, crystallize in a new orthorhombic structure with a space group Pmmn. Samples of…

Strongly Correlated Electrons · Physics 2009-11-10 Yogesh Singh

The recent discovery of superconductivity in infinite layer thin films and bulk Ruddlesden-Popper nickelates has stimulated the investigation of other predicted properties of these materials. Among them, the existence of magnetism-driven…

Frustration, spin correlations and interplay between competing degrees of freedom are some of the key ingredients that underlie exotic states with fractional excitations in quantum materials. Rare-earth based two dimensional magnetic…

Strongly Correlated Electrons · Physics 2022-09-13 J. Khatua , M. Pregelj , A. Elghandour , Z. Jaglicic , R. Klingeler , A. Zorko , P. Khuntia

We report the results of magnetization and specific heat measurements of Ba$_2$CoTeO$_6$ composed of two subsystems A and B, which are magnetically described as an $S\,{=}\,1/2$ triangular-lattice Heisenberg-like antiferromagnet and a…

Strongly Correlated Electrons · Physics 2016-03-23 Purintorn Chanlert , Nobuyuki Kurita , Hidekazu Tanaka , Daiki Goto , Akira Matsuo , Koichi Kindo

Theoretically, the relative change of the Heisenberg-type nearest-neighbor coupling $J_1$ and next-nearest-neighbor coupling $J_2$ in the face-centered-cubic lattice can give rise to three main antiferromagnetic orderings of type-I,…

Strongly Correlated Electrons · Physics 2025-05-19 Chaoxin Huang , Lisi Li , Peiyue Ma , Xing Huang , Tao Xie , Meng Wang

We report significantly enhanced magnetic moment in K0.69(2)Fe1.45(1)Se2.00(1) single crystals with sharp Tc and bulk superconductivity obtained by postannealing and quenching process. There are two Fe sites in the…

Superconductivity · Physics 2012-07-02 Hyejin Ryu , Hechang Lei , A. I. Frenkel , C. Petrovic

We studied structural and magnetic properties of a series of insulating double perovskite compounds, La$_{2-x}$Sr$_{x}$CuRuO$_{6}$ (0 $\le$ x $\le$ 1), representing doping via \textit{A}-site substitution. The end members…

Strongly Correlated Electrons · Physics 2012-09-19 P. Anil Kumar , R. Mathieu , R. Vijayaraghavan , Subham Majumdar , Olof Karis , P. Nordblad , Biplab Sanyal , Olle Eriksson , D. D. Sarma

We report the structural and magnetic ground state properties of the monoclinic compound barium iridium oxide Ba$_4$Ir$_3$O$_{10}$ using a combination of resonant x-ray scattering, magnetometry, and thermodynamic techniques. Magnetic…

For a type-II superconductor, when the applied magnetic field is higher than the lower critical value Hc1, the magnetic flux will penetrate into the superconductor and form quantized vortices, which usually are arranged in an Abrikosov…

Superconductivity · Physics 2011-02-16 Lei Shan , Yong-Lei Wang , Bing Shen , Bin Zeng , Yan Huang , Ang Li , Da Wang , Huan Yang , Cong Ren , Qiang-Hua Wang , Shuheng Pan , Hai-Hu Wen

Precursor powders of BaMg2-xCoxFe16O27 with (x = 0.0, 1.0, and 2.0) were prepared using high-energy ball milling, and the effects of chemical composition and sintering temperature on the structural and magnetic properties were investigated…

Materials Science · Physics 2018-05-09 S. H. Mahmood , Q. Al-Shiab , I. Bsoul , Y. Maswadeh , A. Awadallah

Magnetic study on La2CoMnO6 nanoparticles revealed multiple magnetic transitions at 218 K, 135 K and below 38 K and the nature of the low temperature transition was unclear [J Appl Phys 111, 024102 2012]. Presence of mixed valance states of…

Materials Science · Physics 2013-04-30 J. Krishna murthy , A. Venimadhav

We study the ferromagnetism of La0.67Ca0.33MnO3 in bulk polycrystalline, nanocrystalline and amorphous phase. The structural change from crystalline phase to amorphous phase exhibited a systematic decrease of TC(paramagnetic to…

Materials Science · Physics 2008-10-02 R. N. Bhowmik , Asok Poddar , R. Ranganathan , Chandan Majumdar

Geometrically frustrated magnetic systems, such as those based on the Shastry-Sutherland lattice (SSL), offer a rich playground for exploring unconventional magnetic states. The delicate balance between competing interactions in these…

We present a study of the evolution of magnetism from the quantum critical system YbRh2Si2 to the stable trivalent Yb system YbCo2Si2. Single crystals of Yb(Rh_(1-x)Co_x)2Si2 were grown for 0 < x < 1 and studied by means of magnetic…

Here we present the magnetic properties and upper critical field (BC2) of polycrystalline Y(Ba1-xSrx)2Cu3O7-{\delta} superconductors, which are being determined through detailed ac/dc susceptibility and resistivity under magnetic field…

While it was speculated that 5$d^4$ systems would possess non-magnetic $J$~=~0 ground state due to strong Spin-Orbit Coupling (SOC), all such systems have invariably shown presence of magnetic moments so far. A puzzling case is that of…

We report complex metamagnetic transitions in single crystals of the new low carrier Kondo antiferromagnet YbRh3Si7. Electrical transport, magnetization, and specific heat measurements reveal antiferromagnetic order at T_N = 7.5 K. Neutron…