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We present and apply a new method to measure directly weak magnetization in thin films. The polarization of a neutron beam channeling through a thin film structure is measured after exiting the structure edge as a microbeam. We have applied…

Materials Science · Physics 2016-05-04 S. V. Kozhevnikov , Yu. N. Khaydukov , T. Keller , F. Ott , F. Radu

The linear magnetoelectric effect was measured in 500 nm Cr2O3 films grown by rf sputtering on Al2O3 substrates between top and bottom thin film Pt electrodes. Magnetoelectric susceptibility was measured directly by applying an AC electric…

Materials Science · Physics 2016-05-25 P. Borisov , T. Ashida , T. Nozaki , M. Sahashi , D. Lederman

The origin of ferromagnetism in nanoparticles of nonmagnetic oxides is an interesting area of research. In the present work, transport properties of niobium thin films, with beta-Ga2O3 nanoparticles embedded within them, are presented.…

We have shown that polarized neutron reflectometry can determine in a model-free way not only the mean magnetization of a ferromagnetic thin film at any point of a hysteresis cycle, but also the mean square dispersion of the magnetization…

Materials Science · Physics 2009-11-07 W. -T. Lee , S. G. E. te Velthuis , G. P. Felcher , F. Klose , T. Gredig , E. D. Dahlberg

The rapid progress in antiferromagnetic and altermagnetic spintronics has led to increased interest in magnetic materials with vanishing net magnetization but strong spin-dependent transport properties. As thin films of such materials…

Materials Science · Physics 2026-01-09 Katarzyna Gas , Maciej Sawicki

Investigating the thermoelectric properties of ferromagnets is important for the development of future microelectronic devices for efficient energy conversion purposes. Ferromagnetic Mn$_5$Ge$_3$C$_x$ thin films with a Curie temperature up…

Materials Science · Physics 2024-02-08 R. Kraft , S. Srichandan , G. Fischer , C. Sürgers

A previous study of the growth conditions has shown that single-phase BiFeO3 thin films can only be obtained in a narrow pressure-temperature window and that these films display a weak magnetic moment. Here we study in more detail the…

Materials Science · Physics 2009-11-13 H. Bea , M. Bibes , S. Petit , J. Kreisel , A. Barthelemy

Magnetocaloric properties of an inhomogeneous magnetic system of a 7.6 nm La${}_{0.7}$Sr${}_{0.3}$MnO${}_{3}$ consisting of superparamagnetic (SPM) with blocking temperature ( $T_B$ = 240 K) and ferromagnetic (FM) phases ( $T_C$ = 290 K) is…

Materials Science · Physics 2019-07-02 Navid Mottaghi , Robbyn B. Trappen , Saeed Yousefi , Mohindar S. Seehra , Mikel B. Holcomb

Structural and magnetic properties of Mn5(SixGe1-x)3 thin films were investigated. Ferromagnetic Mn5Ge3 and anti-ferromagnetic Mn5Si3 thin films have been synthesized and characterized as these compounds exhibit interesting features for the…

The knowledge of how the magnetization looks inside a ferromagnet is often hindered by the limitations of the available experimental methods that are sensitive only to the surface regions or limited in spatial resolution. We report the 3D…

The effects of strain on a film of mulitferroic GdMnO3 are investigated using both magnetometry and magneto-optic spectroscopy. Optical spectra, in the energy range 1.5eV - 3.5eV, were taken in Faraday geometry in an applied magnetic field…

Strongly Correlated Electrons · Physics 2010-11-19 Mohammed S. Al Qahtani , Marzook Alshammari , H. J Blythe , A. M. Fox , G. A. Gehring , N. Andreev , V. Chichkov , Ya Mukovskii

Despite a considerable effort aiming at elucidating the nature of ferromagnetism in ZnO-based magnetic semiconductor, its origin still remains debatable. Although the observation of above room temperature ferromagnetism has been reported…

Materials Science · Physics 2009-05-01 M. Tay , Y. H. Wu , G. C. Han , Y. B. Chen , X. P. Pan , S. J. Wang , P. Yang , Y. P. Feng

In the bulk, LaCoO3 (LCO) is a paramagnet, yet in tensile strained thin films at low temperature ferromagnetism (FM) is observed, and its origin remains unresolved. Polarized neutron reflectometry (PNR) is a powerful tool to determine the…

We investigated the magnetic structure of an orthorhombic YMnO3 thin film by resonant soft x-ray and hard x-ray diffraction. We observed a temperature-dependent incommensurate magnetic reflection below 45 K and a commensurate…

Strongly Correlated Electrons · Physics 2012-02-07 H. Wadati , J. Okamoto , M. Garganourakis , V. Scagnoli , U. Staub , Y. Yamasaki , H. Nakao , Y. Murakami , M. Mochizuki , M. Nakamura , M. Kawasaki , Y. Tokura

Polarized neutron reflectometry (PNR) has long been applied to measure the magnetic depth profile of thin films. In recent years, interest has increased in observing lateral magnetic structures in a film. While magnetic arrays patterned by…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 W. -T. Lee , S. G. E. te Velthuis , G. P. Felcher , F. Klose , T. Gredig , D. Dahlberg , B. V. Toperverg

Magnetic resonance spectra of EuTiO3 in both bulk and thin film form were taken at temperatures from 3-350 K and microwave frequencies from 9.2-9.8 and 34 GHz. In the paramagnetic phase, magnetic resonance spectra are determined by magnetic…

Materials Science · Physics 2017-03-08 V. V. Laguta , S. Kamba , M. Maryško , B. Andrzejewski , M. Kachlík , K. Maca , J. H. Lee , D. G. Schlom

Spintronics exploits the magnetoresistance effects to store or sense the magnetic information. Since the magnetoresistance strictly depends on the magnetic anisotropy of the system, it is fundamental to set a defined anisotropy to the…

We investigate the anomalous Nernst effect in epitaxial SrRuO$_3$ thin films grown on c-cut Al$_2$O$_3$ substrates, and in a polycrystalline SrRuO$_3$ slab. Through comprehensive measurements of the transverse thermoelectric response as a…

Strongly Correlated Electrons · Physics 2025-11-27 Anna Merin Francis , Avirup De , Abhijit Biswas , Lily Mandal , Pallavi Kushwaha , Sunil Nair

Colossal magnetoresistive (CMR) La$_{0.7}$Sr$_{0.3}$MnO$_{3}$ (LSMO) thin films have been grown under tensile strains on (100)-SrTiO$_{3}$ substrates and compressive strains on (100)-LaAlO$_{3}$ and (110)-NdGaO$_{3}$ substrates by pulsed…

Materials Science · Physics 2016-08-31 R. Desfeux , S. Bailleul , A. Da Costa , W. Prellier , A. M. Haghiri-Gosnet

The magnetic properties of La0.7Ca0.3MnO3 (LCMO) manganite thin films were studied with magnetometry and ferromagnetic resonance as a function of film thickness. They maintain the colossal magnetoresistance behavior with a pronounced…