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We report the generation and detection of spin-orbit torque ferromagnetic resonance (STFMR) in micropatterned epitaxial Fe/Pt bilayers grown by molecular beam epitaxy. The magnetic field dependent measurements at an in-plane magnetic field…

In the first part of this work we calculate the high frequency magnetoelectric susceptibility of a simultaneously ferroelectric and canted antiferromagnetic (also know as weak ferromagnetic) thin film with magnetostrictive magnetoelectric…

材料科学 · 物理学 2010-03-09 K. L. Livesey , R. L. Stamps

A time-resolved ferromagnetic resonance technique was used to investigate the magnetization dynamics of a 10 nm thin Permalloy film. The experiment consisted of a sequence of magnetic field pulses at a repetition rate equal to the magnetic…

材料科学 · 物理学 2009-11-11 Th. Gerrits , M. L. Schneider , A. B. Kos , T. J. Silva

Composite metamaterials(CMMs) combining a subwavelength metallic hole array (i.e. one-layer fishnet structure) and an array of split-ring resonators(SRRs) on the same board are fabricated with gold films on silicon wafer. Transmission…

介观与纳米尺度物理 · 物理学 2015-05-13 Ming Li , Zhenchao Wen , Jinxin Fu , Xu Fang , Yaomin Dai , Rongjuan Liu , Xiufeng Han , Xianggang Qiu

Element-specific spectroscopies using synchrotron-radiation can provide unique insights into materials properties. The recently developed technique of X-ray detected ferromagnetic resonance (XFMR) allows studying the magnetization dynamics…

材料科学 · 物理学 2023-05-17 Gerrit van der Laan , Thorsten Hesjedal

We observe a dc voltage peak at ferromagnetic resonance (FMR) in samples consisting of a single ferromagnetic (FM) layer grown epitaxially on the $\mathit{n-}$GaAs (001) surface. The FMR peak is detected as an interfacial voltage with a…

Ferromagnetic resonance and static magnetic properties of CoFe/Al2O3/CoFe/Py and CoFe/Al2O3/CoFeB/Py magnetic tunnel junctions and of 25nm thick single-layer Permalloy(Py) films have been studied as a function of temperature down to 2K. The…

We report broadband ferromagnetic resonance (FMR) measurements based on a coplanar waveguide (CPW) of ultrathin magnetic film structures that comprise in-plane/out-of-plane decoupled layers deposited on nonmagnetic buffer layers of various…

介观与纳米尺度物理 · 物理学 2015-06-18 H. Glowinski , M. Schmidt , I. Goscianska , J. Dubowik , J-Ph. Ansermet

Lattice resonances in nanoparticle arrays recently have gained a lot of attention because of the possibility to produce spectrally narrow resonant features in transmission and reflection as well as significantly increase absorption in the…

光学 · 物理学 2018-11-07 Viktoriia E. Babicheva , Andrey B. Evlyukhin

We present a numerical approach to simulate the Ferromagnetic Resonance (FMR) of micron and nanosized magnetic elements by a micromagnetic finite difference method. In addition to a static magnetic field a linearly polarized oscillating…

计算物理 · 物理学 2016-10-31 K. Wagner , S. Stienen , M. Farle

Magnetic diffraction in combination with x-ray detected ferromagnetic resonance (DFMR) is a powerful technique for performing time-resolved measurements on individual spin textures. Here, we study the ferromagnetic resonance (FMR) modes of…

材料科学 · 物理学 2022-11-11 David M. Burn , Shilei Zhang , Gerrit van der Laan , Thorsten Hesjedal

Understanding the multiferroic coupling is one of the key issues in the feld of multiferroics. As shown here theoretically, the ferromagnetic resonance (FMR) renders possible an access to the magnetoelectric coupling coefficient in…

材料科学 · 物理学 2013-09-17 A. Sukhov , P. P. Horley , C. -L. Jia , J. Berakdar

Ferromagnetic resonance (FMR) spectroscopy is a powerful method for quantifying internal magnetic anisotropy fields in nanoparticles, which is important in a wide range of biomedical and storage applications. The interpretation of FMR…

材料科学 · 物理学 2022-06-02 David Slay , Michalis Charilaou

In this paper we theoretically study electromagnetic reflection, transmission, and scattering properties of periodic and random arrays of particles which exhibit both electric-mode and magnetic-mode resonances. We compare the properties of…

材料科学 · 物理学 2015-06-03 M. Albooyeh , D. Morits , S. A. Tretyakov

Measurements of the $^{1}$H-NMR spectrum of a small ($\sim$ 4 $\mu$g) single crystal of the organic conductor $\lambda$-(BETS)$_{2}$FeCl$_{4}$ are reported with an applied magnetic field $\bf{B}$$_{0}$ = 9 T parallel to the a-axis in the…

强关联电子 · 物理学 2009-11-11 Guoqing Wu , P. Ranin , W. G. Clark , S. E. Brown , L. Balicas , L. K. Montgomery

We show that a dispersion of monodomain ferromagnetic particles in a solid phase exhibits stochastic resonance when a driven linearly polarized magnetic field is applied. By using an adiabatic approach, we calculate the power spectrum, the…

凝聚态物理 · 物理学 2009-10-28 A. Perez-Madrid , J. M. Rubi

We report on a first principles study of anti-ferromagnetic resonance (AFMR) phenomena in metallic systems [MnX (X=Ir,Pt,Pd,Rh) and FeRh] under an external electric field. We demonstrate that the AFMR linewidth can be separated into a…

介观与纳米尺度物理 · 物理学 2019-01-02 Farzad Mahfouzi , Nicholas Kioussis

Antiferromagnetic materials present us with rich and exciting physics, which we can exploit to open new avenues in spintronic device applications. We explore perpendicularly magnetized exchange biased systems of Pt/Co/IrMn and Pt/Co/FeMn,…

介观与纳米尺度物理 · 物理学 2018-08-22 Risalat A. Khan , Hans T. Nembach , Mannan Ali , Justin M. Shaw , Christopher H. Marrows , Thomas A. Moore

Presented are magnetization measurements on a crystal of Fe8 single-molecule magnets using a Hall probe magnetometer. Irradiation with microwaves at frequencies of 92 and 110-120 GHz leads to the observation of electron paramagnetic…

介观与纳米尺度物理 · 物理学 2007-05-23 K. Petukhov , W. Wernsdorfer , A. -L. Barra

We demonstrate a scalable new ferromagnetic resonance (FMR) technique based on the spin-orbit interaction. An alternating current drives FMR in uniform ferromagnetic structures patterned from the dilute magnetic semiconductors (Ga,Mn)As and…

介观与纳米尺度物理 · 物理学 2015-05-20 D. Fang , H. Kurebayashi , J. Wunderlich , K. Vyborny , L. P. Zarbo , R. P. Campion , A. Casiraghi , B. L. Gallagher , T. Jungwirth , A. J. Ferguson