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The large magnetostriction in FeGa alloys is relevant for manifold applications, but for thin films, it can play a prominent role in controlling the strength of the magnetic anisotropy. Bulk samples show values depending on the extensive…

Materials Science · Physics 2025-06-24 Adrián Begué , Maria Grazia Proietti , José Ignacio Arnaudas , Miguel Ciria

In antiferromagnetic spintronics, it is essential to separate the resistance modifications of purely magnetic origin from other effects generated by current pulses intended to switch the N\'eel vector. We investigate the magnetoresistance…

Materials Science · Physics 2020-07-08 S. Yu. Bodnar , Y. Skourski , O. Gomonay , J. Sinova , M. Kläui , M. Jourdan

Exploring anisotropy and diverse magnetization dynamics in specimens with vanishing magnetic moments presents a significant challenge using traditional magnetometry, as the low resolution of existing techniques hinders the ability to obtain…

Materials Science · Physics 2025-09-03 Ajay Jha , Simon Lenne , Gwenael Atcheson , Karsten Rode , J. M. D. Coey , Plamen Stamenov

Spin excitations of magnetic thin films are the founding element for novel transport concepts in spintronics, magnonics, and magnetic devices in general. While spin dynamics have been extensively studied in bulk materials, their behaviour…

Magnetic tunnel junctions with a magnetic layer with perpendicular anisotropy are currently used in computer memories that do not require voltage sustaining. An example of layers with perpendicular magnetic anisotropy are ultrathin FeCo…

Growing demands for the voltage-driven spintronic applications with ultralow-power consumption have led to new interest in exploring the voltage-induced magnetization switching in ferromagnetic metals. In this study, we observed a large…

Thickness modulation at the edges of nanostructured magnetic thin films is shown to have important effects on their perpendicular magnetic anisotropy. Thin film wires with tapered edges were made from [Co/Pd]20 multilayers or L10-FePt films…

Mesoscale and Nanoscale Physics · Physics 2015-10-30 Jinshuo Zhang , Pin Ho , Jean Anne Currivan-Incorvia , Saima A. Afroz , M. Baldo , Caroline A. Ross

We investigate the magnetic and magnetotransport properties of nanostructured Nd0.6Sr0.4MnO3 (NSMO) thin films grown on (100) oriented SrTiO3 (STO) substrates. The thin films fabricated using the pulsed laser deposition technique have been…

Controlling the perpendicular magnetic anisotropy (PMA) in thin films has received considerable attention in recent years due to its technological importance. PMA based devices usually involve heavy-metal (oxide)/ferromagnetic-metal…

Stripe domains are studied in perpendicular magnetic anisotropy films nanostructured with a periodic thickness modulation that induces the lateral modulation of both stripe periods and inplane magnetization. The resulting system is the 2D…

We exploit the intrinsic structural instability of the Fe70Pd30 magnetic shape memory alloy to obtain functional epitaxial films exhibiting a self-organized nanostructure. We demonstrate that coherent epitaxial straining by 54% is possible.…

Mesoscale and Nanoscale Physics · Physics 2012-05-30 Sandra Kauffmann-Weiss , Markus E. Gruner , Anja Backen , Ludwig Schultz , Peter Entel , Sebastian Fähler

Manganite thin films are promising candidates for studying the strongly correlated electron systems. Understanding the growth-and morphology-driven changes in the physical properties of manganite thin films is vital for their applications…

The anisotropy of MgB2 is still under debate: its value, strongly dependent on the sample and on the measuring method, ranges between 1.2 and 13. In this work we present our results on a MgB2 c-oriented superconducting thin film. To…

Superconductivity · Physics 2009-11-07 C. Ferdeghini , V. Braccini , M. R. Cimberle , D. Marre , P. Manfrinetti , V. Ferrando , M. Putti , A. Palenzona

Rare earth/transition metal (RE/TM) multilayers with perpendicular magnetic anisotropy are key ingredients for the development of spintronic applications. Their compensation temperature depends on the ratio of the thicknesses of rare earth…

Progress in (Ga,Mn)As lithography has recently allowed us to realize structures where unique magnetic anisotropy properties can be imposed locally in various regions of a given device. We make use of this technology to fabricate a device in…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 K. Pappert , S. Hümpfner , C. Gould , J. Wenisch , K. Brunner , G. Schmidt , L. W. Molenkamp

The Technical Committee of the IEEE Magnetics Society has selected 7 research topics to develop their roadmaps, where major developments should be listed alongside expected timelines; (i) hard disk drives, (ii) magnetic random access…

Magnetocrystalline anisotropy in transition metal alloys (FePt, CoPt, FePd, MnAl, MnGa, and FeCo) was studied using first-principles calculations to elucidate its specific mechanism. The tight-binding linear muffin-tin orbital method in the…

Materials Science · Physics 2014-03-04 Yohei Kota , Akimasa Sakuma

Recent research works have shown that the magnetic order in some antiferromagnetic materials can be manipulated and detected electrically, due to two physical mechanisms: Neel-order spin-orbit torques and anisotropic magnetoresistance.…

In this paper, we discuss recent progress in magnet-free non-reciprocal structures based on a synthetic form of angular momentum bias imparted via spatiotemporal modulation. We discuss how such components can support metrics of performance…

Signal Processing · Electrical Eng. & Systems 2021-12-22 Ahmed Kord , Andrea Alu

Ferrimagnets have received renewed attention as a promising platform for spintronic applications. Of particular interest is the Mn4N from the ${\epsilon}$-phase of the manganese nitride as an emergent rare-earth-free spintronic material due…

Materials Science · Physics 2023-08-23 Zhijie Chen , Christopher J. Jensen , Chen Liu , Xixiang Zhang , Kai Liu