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Related papers: Antiferromagnetism in Ni-Based Superconductors

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Thin films of Pr0.7Ca 0.3MnO3, Nd-0.5Ca0.5MnO3 and Nd0.5Sr0.5MnO3 have been fabricated. by pulse laser deposition. Magnetic and electrical transport properties of these films were compared with their bulk solids. All the films grow in (101)…

Materials Science · Physics 2009-10-31 A. Venimadhav , M. S. Hegde , R. Rawat , I. Das

We investigated transport and magnetic properties of NdFeAsO$_{0.9}$F$_{0.1}$ single crystal under hydrostatic pressures up to 50\,GPa. The ambient pressure superconductivity at $T_{c} \sim$ 45.4\,K is fully suppressed at $P_{c} \sim$ 21…

Superconductivity · Physics 2018-09-12 Mahmoud Abdel-Hafiez , M. Mito , K. Shibayama , S. Takagi , M. Ishizuka , A. N. Vasiliev , C. Krellner , H. K. Mao

Several reports about infinite-layer nickelate thin films suggest that the superconducting critical temperature versus chemical doping phase diagram has a dome-like shape, similar to cuprates. Here, we demonstrate a highly reproducible…

Neodymium is a remarkable active component in numerous magnetic alloys that are used in various applications. However, the application of bare neodymium thin film is limited due to the lack of information about its electrical and magnetic…

Materials Science · Physics 2020-10-07 G. Yumnam , J. Guo , Y. Chen , V. Lauter , D. K. Singh

In high-transition temperature (high-Tc) copper oxides, it is generally believed that antiferromagnetism plays a fundamental role in the superconducting mechanism because superconductivity occurs when mobile electrons or holes are doped…

The recent discovery of superconductivity in the iron-based layered pnictides with T_c ranging between 26 and 56K generated enormous interest in the physics of these materials. Here, we review some of the peculiarities of the…

Superconductivity · Physics 2014-05-20 Ilya Eremin , Johannes Knolle , Rafael M. Fernandes , Jörg Schmalian , Andrey V. Chubukov

Infinite-layer nickelates $R_{1-x}$Sr$_{x}$NiO$_{2}$ ($R$ = La, Pr, Nd) are a class of superconductors with structural similarities to cuprates. Although long-range antiferromagnetic order has not been observed for these materials, magnetic…

We study thin films that host coexisting collinear $d$-wave altermagnetic and superconducting orders in the presence of an external magnetic field that fully penetrates the films. We use the Ginzburg-Landau functional to analyze the…

Superconductivity · Physics 2026-03-09 A. A. Mazanik , Rodrigo de las Heras , F. S. Bergeret

The discovery of cuprate high Tc superconductors has inspired searching for unconventional su- perconductors in magnetic materials. A successful recipe has been to suppress long-range order in a magnetic parent compound by doping or high…

Superconductivity · Physics 2015-03-18 Wei Bao , Q. Huang , G. F. Chen , M. A. Green , D. M. Wang , J. B. He , X. Q. Wang , Y. Qiu

Antiferromagnets have recently emerged as attractive platforms for spintronics applications, offering fundamentally new functionalities compared to their ferromagnetic counterparts. While nanoscale thin film materials are key to the…

Mesoscale and Nanoscale Physics · Physics 2019-02-19 Patrick Appel , Brendan J. Shields , Tobias Kosub , René Hübner , Jürgen Faßbender , Denys Makarov , Patrick Maletinsky

Recently, Sharma et al. [Adv. Sci. 9, 2203473 (2022)] claimed that thin films (around 20 nm) of UO2 deposited on perovskite substrates exhibit strongly enhanced paramagnetism (called induced ferromagnetism by the authors). Moments of up to…

We performed resonant and nonresonant x-ray diffraction studies of a Nd0.5Sr0.5MnO3 thin film that exhibits a clear first-order transition. Lattice parameters vary drastically at the metal-insulator transition at 170K (=T_MI), and…

Strongly Correlated Electrons · Physics 2009-11-11 Y. Wakabayashi , D. Bizen , H. Nakao , Y. Murakami , M. Nakamura , Y. Ogimoto , M. Izumi , K. Miyano , H. Sawa

High-pressure magnetization, structural and 57Fe M\"ossbauer studies were performed on superconducting Rb0.8Fe1.6Se2.0 with Tc = 32.4 K. The superconducting transition temperature gradually decreases on increasing pressure up to 5.0 GPa…

The transition temperature Tc~26 K of the recently discovered superconductor LaFeAs(O,F) has been demonstrated to be extremely sensitive to the lanthanide ion, reaching 55 K for the Sm containing oxypnictides. Therefore, it is important to…

Superconductivity · Physics 2008-12-17 Y. Qiu , Wei Bao , Q. Huang , T. Yildirim , J. Simmons , J. W. Lynn , Y. C. Gasparovic , J. Li , M. Green , T. Wu , G. Wu , X. H. Chen

The pairing symmetry of superconducting infinite-layer nickelates is a fundamental yet experimentally challenging question. We employ high-energy electron irradiation to induce disorder in superconducting Nd$_{0.825}$Sr$_{0.175}$NiO$_2$…

The superconducting and magnetic properties of Nb/Pd_1-xFe_x/Nb triple layers with constant Nb layer thickness d_Nb=200 A and different interlayer thicknesses are investigated. The thickness dependence of the magnetization and of the…

Superconductivity · Physics 2016-08-31 M. Schoeck , C. Suergers , H. v. Loehneysen

High temperature superconductivity is typically associated with strong coupling and a large superconducting gap, yet these characteristics have not been demonstrated in the nickelates. Here, we provide experimental evidence that Eu…

We studied the magnetic ordering of thin films and bulk crystals of rutile RuO$_2$ using resonant X-ray scattering across the Ru L$_2$ absorption edge. Combining polarization analysis and azimuthal-angle dependence of the magnetic Bragg…

Strongly Correlated Electrons · Physics 2019-01-28 Z. H. Zhu , J. Strempfer , R. R. Rao , J. Pelliciari , Y. Choi , T. Kawaguchi , H. You , J. F. Mitchell , Y. Shao-Horn , R. Comin

Altermagnetism refers to a wide class of magnetic orders featuring magnetic sublattices with opposite spins related by rotational symmetries, resulting in non-trivial spin splitting and magnetic multipoles. However, the direct observation…

The recent discovery of superconductivity in infinite-layer nickelates generates tremendous research endeavors, but the ground state of their parent compounds is still under debate. Here, we report experimental evidences for the dominant…