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Related papers: Low loss spin wave resonances in organic-based fer…

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We report on B2-ordering dependence of magnetostatic surface spin waves in ferromagnetic FeRh at room temperature. Spin waves transmit over a distance longer than 21 {\mu}m in highly ordered FeRh alloys even with relatively large spin-orbit…

Materials Science · Physics 2016-11-01 Takamasa Usami , Ippei Suzuki , Mitsuru Itoh , Tomoyasu Taniyama

We report ferromagnetic and spin wave resonance absorption measurements on high quality epitaxially grown Ga_{1-x}Mn_{x}As thin films. We find that these films exhibit robust ferromagnetic long-range order, based on the fact that up to…

Condensed Matter · Physics 2009-11-10 T. G. Rappoport , P. Redlinski , X. Liu , G. Zarand , J. K. Furdyna , B. Janko

Electronic carriers in graphene show a high carrier mobility at room temperature. Thus, this system is widely viewed as a potential future charge-based high-speed electronic-material to complement- or replace- silicon. At the same time, the…

Mesoscale and Nanoscale Physics · Physics 2012-12-04 R. G. Mani , J. Hankinson , C. Berger , W. A. de Heer

We report the bulk sensitive Hard X-ray (hv=5.95keV) core level photoemission spectroscopy to investigate the intrinsic electronic structure of strained (La0.85Ba0.15)MnO3 thin films. In a 20nm thick well-strained film with strongly…

We investigate the low loss acoustic motion of superfluid $^4$He parametrically coupled to a very low loss, superconducting Nb, TE$_{011}$ microwave resonator, forming a gram-scale, sideband resolved, optomechanical system. We demonstrate…

Quantum Physics · Physics 2013-08-12 L. A. DeLorenzo , K. C. Schwab

The spin-selective electron reflection at a ferromagnetic-paramagnetic interface is investigated using Fe films on a W(110) substrate. Angle-resolved photoemission of the majority and minority Fermi surfaces of the Fe film is used to probe…

Other Condensed Matter · Physics 2007-05-23 J. Schaefer , M. Hoinkis , Eli Rotenberg , P. Blaha , R. Claessen

Oxygen vacancies (VOs) effects on magnetic ordering in Eu0.5Ba0.5TiO3-{\delta} (EBTO3-{\delta}) thin films have been investigated using a combination of experimental measurements and first-principles density-functional calculations. Two…

We present a detailed analysis of the results of our numerical study of the crystal and electronic structure of the room temperature organometallic ferrimagnet of general composition V(TCNE)$_{x}$ with $% x\approx 2$. The results of the…

Strongly Correlated Electrons · Physics 2010-02-02 Andrei L. Tchougréeff , Richard Dronskowski

Nitrogen-vacancy (NV) magnetometry is a new technique for imaging spin waves in magnetic materials. It detects spin waves by their microwave magnetic stray fields, which decay evanescently on the scale of the spin-wavelength. Here, we use…

Mesoscale and Nanoscale Physics · Physics 2022-12-08 Brecht G. Simon , Samer Kurdi , Joris J. Carmiggelt , Michael Borst , Allard Katan , Toeno van der Sar

Spin-waves have been studied for data storage, communication and logic circuits in the field of spintronics based on their potential to substitute electrons. Recent discovery of magnetism in two-dimensional (2D) systems such as monolayer…

Organic spintronics has drawn the interest of the science community due to various applications in spin-valve devices. But to date, an efficient room-temperature Organic Spin Valve device has not been experimentally realized due to the…

Materials Science · Physics 2025-03-07 Sonia Kaushik , Manisha Priyadarsini , Avinash G. Khanderao , Dileep Kumar

Angle-resolved photoemission (PE) was used to characterize the spin-density wave (SDW) state in thin films of Cr grown on W(110). The PE data were analysed using results of local spin density approximation layer-Korringa-Kohn-Rostoker…

Materials Science · Physics 2009-11-10 F. Schiller , D. V. Vyalikh , V. D. P. Servedio , S. L. Molodtsov

We present a comprehensive study of the crystal structure of the thin-film, ferromagnetic topological insulator (Bi, Sb)$_{2-x}$V$_x$Te$_3$. The dissipationless quantum anomalous Hall edge states it manifests are of particular interest for…

We study the magnetic dynamics of magnetoelectric antiferromagnetic thin films, where an unconventional boundary ferromagnetism coexists with the bulk N\'{e}el phase below the N\'{e}el temperature. The spin exchange between the two order…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 Ricardo Zarzuela , Se Kwon Kim , Yaroslav Tserkovnyak

Suspended monolayer transition metal-dichalcogenides (TMD) are membranes that combine ultra-low mass and exceptional optical properties, making them intriguing materials for opto-mechanical applications. However, the low measured quality…

In bismuth ferrite thin films the cycloidal spiral spin structure is suppressed, and as a result the spin-wave magnon branches of long wavelength are reduced from a dozen to one, at \omega = 19.2 cm-1 (T=4K). This spin wave has not been…

Materials Science · Physics 2012-02-07 Ashok Kumar , J. F. Scott , R. S. Katiyar

Here, we report the observation of strong coupling between magnons and surface acoustic wave (SAW) phonons in a thin CoFeB film constructed in an on-chip SAW resonator by analyzing SAW phonon dispersion anticrossings. Our device design…

Monolayer chromium trihalides, the archetypal two dimensional (2D) magnetic materials, are readily suggested as a promising platform for high frequency magnonics. Here we detail the spin wave properties of monolayer CrBr$_3$ and CrI$_3$,…

In recent years, thin-film organic field-effect transistors (OFETs) have begun to be considered as a possible alternative to the hydrogenated amorphous silicon thin-film transistors (a-Si:H TFT's) used in active matrix flat panel displays…

We have measured near normal incidence far infrared (FIR) reflectivity spectra of a single crystal of TbMnO3 from 10K to 300K in the spectral range of 50 cm$^{-1}$ to 700 cm$^{-1}$. Fifteen transverse optic (TO) and longitudinal optic (LO)…

Materials Science · Physics 2015-05-13 Pradeep Kumar , Surajit Saha , C. R. Serrao , A. K. Sood , C. N. R. Rao