Search Results - "Goncalves, F. J. T."
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1
Observation of Collective Resonance Modes in a Chiral Spin Soliton Lattice with Tunable Magnon Dispersion
Published in Physical review letters (17-06-2022)Get full text
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2
Switching behavior of the magnetic resonance in a monoaxial chiral magnetic crystal CrNb3S6
Published in Applied physics letters (09-12-2019)“…We report broadband microwave spectroscopy in micrometer-sized platelet devices of a monoaxial chiral magnetic crystal CrNb3S6 with a helical c axis…”
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3
Field driven recovery of the collective spin dynamics of the chiral soliton lattice
Published in Applied physics letters (06-01-2020)“…We investigate the magnetic field dependence of the spin excitation spectra of the chiral soliton lattice (CSL) in the helimagnet CrNb 3 S 6, by means of…”
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4
Diversity of genus Lasiodiplodia associated with perennial tropical fruit plants in northeastern Brazil
Published in Plant pathology (01-01-2017)“…Until now, only Lasiodiplodia theobromae has been reported in association with gummosis and dieback of cashew plants and other tropical fruit plants in…”
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5
Probing microwave fields and enabling in-situ experiments in a transmission electron microscope
Published in Scientific reports (11-09-2017)“…A technique is presented whereby the performance of a microwave device is evaluated by mapping local field distributions using Lorentz transmission electron…”
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6
Anisotropy engineering using exchange bias on antidot templates
Published in AIP advances (01-06-2015)“…We explore an emerging device concept based on exchange bias used in conjunction with an antidot geometry to fine tune ferromagnetic resonances. Planar cavity…”
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7
Spin-wave frequency combs
Published in Applied physics letters (12-09-2022)“…We experimentally demonstrate the generation of spin-wave frequency combs based on the nonlinear interaction of propagating spin waves in a microstructured…”
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Bipolar spin Hall nano-oscillators
Published in Applied physics letters (11-05-2020)“…We demonstrate a spin Hall nano-oscillator (SHNO) that allows for efficient tuning of magnetic auto-oscillations over an extended range of gigahertz…”
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Modeling Exchange-Spring Layered Systems With Perpendicular Anisotropy Using Ferromagnetic Resonance Measurements
Published in IEEE transactions on magnetics (01-11-2012)“…We have experimentally studied the FePt/Fe 3 Pt bilayer system using ferromagnetic resonance at room temperature. Measurements were taken as a function of the…”
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Journal Article Conference Proceeding -
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Effects of a lectin-like protein isolated from Acacia farnesiana seeds on phytopathogenic bacterial strains and root-knot nematode
Published in Pesticide biochemistry and physiology (01-05-2012)“…[Display omitted] ► The activity of a new lectin (AFAL) on bacteria and nematode was tested. ► AFAL showed bacterioestatic and growth inhibitory effects. ►…”
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11
Switching behavior of the magnetic resonance in a monoaxial chiral magnetic crystal CrNb 3 S 6
Published in Applied physics letters (09-12-2019)“…We report broadband microwave spectroscopy in micrometer-sized platelet devices of a monoaxial chiral magnetic crystal CrNb 3 S 6 with a helical c axis…”
Get full text
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12
Theory of standing spin waves in finite-size chiral spin soliton lattice
Published 27-03-2019“…Phys. Rev. B 100, 024411 (2019) We present a theory of standing spin wave (SSW) in a monoaxial chiral helimagnet. Motivated by experimental findings on the…”
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13
Bipolar spin Hall nano-oscillators
Published 26-03-2020“…We demonstrate a novel type of spin Hall nano-oscillator (SHNO) that allows for efficient tuning of magnetic auto-oscillations over an extended range of…”
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14
Effect of disorder on the collective excitations of the chiral spin soliton lattice
Published 25-03-2019“…We assess the impact of magnetic disorder on the spin excitation spectra of the chiral helimagnetic crystal $\mathrm{CrNb_3S_6}$ using microwave resonance…”
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15
Mapping the stray fields of a nanomagnet using spin qubits in SiC
Published 01-09-2020“…We report the use of optically addressable spin qubits in SiC to probe the magnetic stray fields generated by a ferromagnetic microstructure lithographically…”
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