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Related papers: Antiferromagnetic Interlayer Coupling in Ferromagn…

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Exchange bias (EB) and the training effects (TE) in an antiferromagnetically coupled La0.7Sr0.3MnO3 / SrRuO3 superlattices were studied in the temperature range 1.8 - 150 K. Strong antiferromagnetic (AFM) interlayer coupling is evidenced…

Materials Science · Physics 2015-06-04 S. Narayana Jammalamadaka , J. Vanacken , V. V. Moshchalkov

Collinear antiferromagnets (AFs) support two degenerate magnon excitations carrying opposite spin polarizations, by which magnons can function as electrons in various spin-related phenomena. In an insulating ferromagnet(F)/AF/F trilayer, we…

Mesoscale and Nanoscale Physics · Physics 2018-11-21 Ran Cheng , Di Xiao , Jian-Gang Zhu

Equilibrium spin configurations and their stability limits have been calculated for models of magnetic superlattices with a finite number of thin ferromagnetic layers coupled antiferromagnetically through (non-magnetic) spacers as Fe/Cr and…

Materials Science · Physics 2007-05-23 U. K. Roessler , A. N. Bogdanov

The magnetic properties of a series of YBa2Cu3O7-x/La2/3Ca1/3MnO3 (YBCO/LC1/3MO) superlattices grown by dc sputtering at high oxygen pressures (3.5 mbar) show the expected ferromagnetic behaviour. However, field cooled hysteresis loops at…

Materials Science · Physics 2009-11-10 N. Haberkorn , J. Guimpel , M. Sirena , L. B. Steren , W. Saldarriaga , E. Baca , M. E. Gómez

Surface plasmons are the collective electron excitations in metallic systems and the associated electromagnetic wave usually has the transverse magnetic (TM) polarization. On the other hand, spin waves are the spin excitations perpendicular…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 H. Y. Yuan , Yaroslav M. Blanter , H. Q. Lin

We review the use of hybrid thin films composed of superconductors and ferromagnets for creating non-reciprocal electronic components and self-biased detectors of electromagnetic radiation. We begin by introducing the theory behind these…

This work explores the static and dynamic magnetic properties of weakly antiferromagnetically coupled Fe/Ti superlattices, emphasizing the link between magnetic behavior and structural characteristics. HRTEM and XRD analyses confirm…

Based on a microscopic model, we study the interplay between superconductivity and antiferromagnetism in a multi-layered system, where two superconductors are separated by an antiferromagnetic region. Within a self-consistent mean-field…

Superconductivity · Physics 2015-05-19 H. T. Quan , Jian-Xin Zhu

Some physical properties of bcc Fe/V and Fe/Co (001) superlattices are reviewed. The dependence of the magnetic anisotropy on the in-plane strain introduced by the lattice mismatch between Fe and V is measured and compared to a theoretical…

Materials Science · Physics 2009-11-07 P. Nordblad , A. Broddefalk , R. Mathieu , P. Blomqvist , O. Eriksson , R. Wäppling

A series of superlattices and trilayers composed of ferromagnetic and ferroelectric or paraelectric layers were grown on (100) SrTiO3 by the pulsed laser deposition technique. Their structural and magneto-electric properties were examined.…

Materials Science · Physics 2009-11-11 P. Murugavel , M. P. Singh , W. Prellier , B. Mercey , Ch. Simon , B. Raveau

We have investigated the magnetic response of La0.7Sr0.3MnO3/SrRuO3 superlattices to biaxial in-plane strain applied in-situ. Superlattices grown on piezoelectric substrates of 0.72PbMg1/3Nb2/3O3-0.28PbTiO3(001) (PMN-PT) show strong…

Strongly Correlated Electrons · Physics 2015-04-08 Sujit Das , Andreas Herklotz , Eckhard Pippel , Er-Jia Guo , Diana Rata , Kathrin Dörr

Based on an effective two-band model and using the fluctuation-exchange (FLEX) approach, we explore spin fluctuations and unconventional superconducting pairing in Fe-based layer superconductors. It is elaborated that one type of interband…

Superconductivity · Physics 2009-02-27 Zi-Jian Yao , Jian-Xin Li , Z. D. Wang

Magnetization dynamic response of coupled and uncoupled spin valves with structure NiFe(20 nm)/Cu(t_Cu)/NiFe(20 nm)/IrMn(10nm) were probed using broadband ferromagnetic resonance absorption measurements. By varying the Cu thickness t_Cu we…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 D. E. Gonzalez-Chavez , R. Dutra , W. O. Rosa , T. L. Marcondes , A. Mello , R. L. Sommer

In this work, we study the magnetization dynamics in a ferromagnet/insulator/ferromagnet trilayer sandwiched between two superconductors (S/F/I/F/S heterostructure). It is well-known that a conceptually similar S/F/S system is a platform…

Superconductivity · Physics 2025-06-25 V. M. Gordeeva , G. A. Bobkov , A. M. Bobkov , I. V. Bobkova , Tao Yu

We report on the structural and magnetic properties of single and double atomic layers of Mn on a clean and unreconstructed Nb(110) substrate. Low-temperature scanning tunneling spectroscopy measurements reveal a proximity-induced…

It is shown that a generic form of an antiferromagnetic wave function opens strong electron-phonon coupling channels in the iron-based superconductors. In the nonmagnetic state these channels exist locally on a single iron atom, but are…

Superconductivity · Physics 2016-09-19 Sinisa Coh , Marvin L. Cohen , Steven G. Louie

We theoretically investigate the coexistence of antiferromagnetism and superconductivity in the iron-based superconductors by using the mean-field theory for two- and three-orbital models. We find that both the s_{+-}-wave and s_{++}-wave…

Superconductivity · Physics 2014-08-05 Yasunori Matsui , Takao Morinari , Takami Tohyama

We report a study of nano-scale structural peculiarities of the antiferromagnetic layered semimetal EuSn2As2, and show that they are responsible for its puzzling magnetic properties. The high resolution transmission electron microscopy…

We investigate theoretically magnon-mediated superconductivity in a heterostructure consisting of a normal metal and a two-sublattice antiferromagnetic insulator. The attractive electron-electron pairing interaction is caused by an…

Superconductivity · Physics 2019-10-02 Eirik Erlandsen , Akashdeep Kamra , Arne Brataas , Asle Sudbø

Antiferromagnetic antiperovskites, of the form Mn$_3B$N ($B$ = Ni, Cu, Zn, Sn, Ir, and Pt), have shown an outstanding behavior in which, giant negative thermal expansion and chiral magnetic structures are intertwined. As such, aiming to…

Materials Science · Physics 2022-09-07 L. Florez-Gomez , W. Ibarra-Hernandez , A. C. Garcia-Castro