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Rare-earth orthoferrite RFeO3 materials such as NdFeO3 are strongly studied because of their fascinating magnetic properties and their potential applications. Here, we show the successful epitaxial synthesis of parasitic-free NFO thin film…

Thin films of La5/8-yPryCa3/8MnO3 (y~0.4) have been grown on single crystal SrTiO3 (001) by RF sputtering. The structural and surface characterizations confirm the epitaxial nature of these film. However, the difference between the rocking…

Materials Science · Physics 2014-12-03 Sandeep Singh , Geetanjali Sharma , P. K. Siwach , Pawan Kumar Tyagi , K. K. Maurya , H. K. Singh

Te is a naturally p-doped semiconductor with a chiral structure, where an electrical current causes the conduction electrons to become spin polarized parallel to the transport direction. In this paper, we present a comprehensive theoretical…

Mesoscale and Nanoscale Physics · Physics 2024-03-05 Reena Gupta , Andrea Droghetti

The magnetic order and the spin dynamics in the antiferromagnetic entropy-stabilized oxide (Mg$_{0.2}$Co$_{0.2}$Ni$_{0.2}$Cu$_{0.2}$Zn$_{0.2}$)O (MgO-ESO) have been studied using muon spin relaxation ($\mu$SR) and inelastic neutron…

We report the results of a study of magnetic field features of electron transport in heterojunctions with NS boundary inside iron-based superconductors, represented by a binary phase of $\alpha$ - FeSe and oxyarsenide pnictide LaO(F)FeAs.…

Superconductivity · Physics 2015-03-16 M. O. Dzyuba , Yu. N. Chiang , D. A. Chareev , A. N. Vasiliev

We report an investigation of transverse Hall resistance and longitudinal resistance on Pt thin films sputtered on epitaxial LaCoO$_3$ (LCO) ferromagnetic insulator films. The LaCoO$_3$ films were deposited on several single crystalline…

Strongly Correlated Electrons · Physics 2015-10-14 T. Shang , Q. F. Zhan , H. L. Yang , Z. H. Zuo , Y. L. Xie , Y. Zhang , L. P. Liu , B. M. Wang , Y. H. Wu , S. Zhang , Run-Wei Li

By pulsed-laser deposition epitaxial thin films of Sr_2FeMoO_6 have been pre- pared on (100) SrTiO_3 substrates. Already for a deposition temperature of 320 C epitaxial growth is achieved. Depending on deposition parameters the films show…

Materials Science · Physics 2009-10-31 W. Westerburg , D. Reisinger , G. Jakob

In the disordered local moment picture, we calculated the magnetization (M) and magnetic anisotropy energy (MAE) of FePt, CoPt, and MnAl ordered alloys and body-centered tegragonal FeCo (bct-FeCo) disordered alloy, assuming spatially…

Materials Science · Physics 2016-10-12 Naofumi Kobayashi , Kazushige Hyodo , Akimasa Sakuma

The double perovskite material \SFMO has the rare and desirable combination of a half-metallic ground state with 100% spin polarization and ferrimagnetic \Tc$\simeq 420$K, well above room temperature. In this two-part paper, we present a…

Strongly Correlated Electrons · Physics 2013-04-08 O. Nganba Meetei , Onur Erten , Anamitra Mukherjee , Mohit Randeria , Nandini Trivedi , Patrick Woodward

The magnetization and electric polarization of a polar antiferromagnet Fe$_2$Mo$_3$O$_8$ are studied up to 66 T for spin-saturation magnetic fields applied along the polar axis. The magnetization process at 1.4 K exhibited multistep…

Spin wave dispersion in the metallic antiferromagnet Mn$_3$Pt was investigated just above the order-order transition temperature by using the inelastic neutron scattering technique. The spin wave dispersion at $T = 400$ K along [100], [110]…

Materials Science · Physics 2017-07-06 Soshi Ibuka , Tetsuya Yokoo , Shinichi Itoh , Kazuya Kamazawa , Mitsutaka Nakamura , Motoharu Imai

We electrically detect charge current induced spin polarization on the surface of molecular beam epitaxy grown Bi$_2$Te$_3$ thin film in a two-terminal device with a ferromagnetic MgO/Fe and a nonmagnetic Ti/Au contact. The two-point…

Mesoscale and Nanoscale Physics · Physics 2017-04-10 Rik Dey , Anupam Roy , Tanmoy Pramanik , Amritesh Rai , Seung Heon Shin , Sarmita Majumder , Leonard F. Register , Sanjay K. Banerjee

Complex ferromagnetic oxides such as La$_{0.67}$Sr$_{0.33}$MnO$_3$ (LSMO) offer pathways for creating energy efficient spintronic devices with new functionalities. LSMO exhibits high-temperature ferromagnetism, half metallicity, sharp…

We have studied electrical transport and magnetic properties of epitaxial La_0.66 Sr_0.33 Mn O_3 thin films grown on different substrates having different lattice strains induced by different film-substrate lattice-mismatch. Both electrical…

Materials Science · Physics 2009-11-13 Puja Dey , T. K. Nath , A. Taraphder

This paper presents structural, detailed magnetic, and exchange bias studies in polycrystalline Ba$_{2}$ScRuO$_{6}$ synthesized at ambient pressure. In contrast to its strontium analogue, this material crystallizes in a 6L hexagonal…

Materials Science · Physics 2023-04-28 Prachi Mohanty , Sourav Marik , R. P. Singh

We report on the synthesis of high quality La$_{1/3}$Sr$_{2/3}$FeO$_3$ (LSFO) thin films using the pulsed laser deposition technique on both SrTiO$_3$ (STO) and LaAlO$_3$ (LAO) substrates (100)-oriented. From X-Ray diffraction (XRD)…

Materials Science · Physics 2009-11-07 W. Prellier , B. Mercey

Since the prediction of spin-gapless semiconducting behaviour in the Heusler compound Mn$_2$CoAl, evidence of spin-gapless behaviour in thin films has typically been inferred from magnetotransport measurements. The spin gapless state is…

Materials Science · Physics 2019-09-06 Robert G. Buckley , Tane Butler , Catherine Pot , Nicholas M. Strickland , Simon Granville

Transport characterizations of epitaxial La0.7Sr0.3MnO3 thin films in the thickness range 5-40 nm and 25-410 K temperature interval have been accurately collected. We show that taking into account polaronic effects allows to achieve the…

Using inelastic neutron scattering, we have observed a quasi-one-dimensional dispersive magnetic excitation in the frustrated triangular-lattice spin-2 chain oxide Ca3Co2O6. At the lowest temperature (T = 1.5 K), this magnon is…

Strongly Correlated Electrons · Physics 2013-12-17 Anil Jain , P. Y. Portnichenko , Hoyoung Jang , G. Jackeli , G. Friemel , A. Ivanov , A. Piovano , S. M. Yusuf , B. Keimer , D. S. Inosov

Spin transport of magnonic excitations in uniaxial insulating antiferromagnets (AFs) is investigated. In linear response to spin biasing and a temperature gradient, the spin transport properties of normal-metal--insulating…

Mesoscale and Nanoscale Physics · Physics 2020-02-05 Roberto E. Troncoso , Scott A. Bender , Arne Brataas , Rembert A. Duine