Search Results - "Silva, J. T"
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1
Breaking of Galilean Invariance in the Hydrodynamic Formulation of Ferromagnetic Thin Films
Published in Physical review letters (06-01-2017)“…Microwave magnetodynamics in ferromagnets are often studied in the small-amplitude or weakly nonlinear regime corresponding to modulations of a well-defined…”
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2
Observation of spin-orbit effects with spin rotation symmetry
Published in Nature communications (13-10-2017)“…The spin–orbit interaction enables interconversion between a charge current and a spin current. It is usually believed that in a nonmagnetic metal (NM) or at a…”
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3
Quantifying Spin-Mixed States in Ferromagnets
Published in Physical review letters (12-11-2021)“…We quantify the presence of spin-mixed states in ferromagnetic 3D transition metals by precise measurement of the orbital moment. While central to phenomena…”
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4
Analogue of dynamic Hall effect in cavity magnon polariton system and coherently controlled logic device
Published in Nature communications (03-07-2019)“…Cavity magnon polaritons are mixed quasiparticles that arise from the strong coupling between cavity photons and quantized magnons. Combining high-speed…”
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5
Developments in nano-oscillators based upon spin-transfer point-contact devices
Published in Journal of magnetism and magnetic materials (01-04-2008)“…We review the current status of research on microwave nano-oscillators that utilize spin transfer devices with point-contact geometry, with an emphasis on the…”
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6
Spin-current-mediated rapid magnon localisation and coalescence after ultrafast optical pumping of ferrimagnetic alloys
Published in Nature communications (15-04-2019)“…Sub-picosecond magnetisation manipulation via femtosecond optical pumping has attracted wide attention ever since its original discovery in 1996. However, the…”
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7
On the particle spectrum and the conformal window
Published in The journal of high energy physics (01-12-2014)“…A bstract We study the SU(3) gauge theory with twelve flavours of fermions in the fundamental representation as a prototype of non-Abelian gauge theories…”
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8
Ultrafast optically induced spin transfer in ferromagnetic alloys
Published in Science advances (17-01-2020)“…The vision of using light to manipulate electronic and spin excitations in materials on their fundamental time and length scales requires new approaches in…”
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9
Resolving the controversy of a possible relationship between perpendicular magnetic anisotropy and the magnetic damping parameter
Published in Applied physics letters (11-08-2014)“…We use broadband ferromagnetic resonance spectroscopy to systematically measure the Landau-Lifshitz damping parameter, perpendicular anisotropy, and the…”
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10
Assessment of the microbial diversity of Brazilian kefir grains by PCR-DGGE and pyrosequencing analysis
Published in Food microbiology (01-09-2012)“…The microbial diversity and community structure of three different kefir grains from different parts of Brazil were examined via the combination of two…”
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11
Injection locking and phase control of spin transfer nano-oscillators
Published in Physical review letters (05-08-2005)“…We have directly measured phase locking of spin transfer oscillators to an injected ac current. The oscillators lock to signals up to several hundred megahertz…”
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12
Theory of Thermally Induced Phase Noise in Spin Torque Oscillators for a High-Symmetry Case
Published in IEEE transactions on magnetics (01-09-2010)“…We derive equations for the phase noise spectrum of a spin torque oscillator in the macrospin approximation for the highly symmetric geometry where the…”
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13
Calculating Route: Functional Trajectories and Long-Term Outcomes in Survivors of Severe COVID-19
Published in The Journal of nutrition, health & aging (01-12-2023)“…We investigated functional trajectories after severe COVID-19 and estimated their associations with adverse outcomes (falls, rehospitalizations,…”
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14
Effect of Calcium and Fluoride Addition to Hydrogen Peroxide Bleaching Gel On Tooth Diffusion, Color, and Microhardness
Published in Operative dentistry (01-07-2019)“…The aim of this study was to evaluate the effect of calcium and fluoride addition to a 35% hydrogen peroxide (HP) bleaching gel with regard to its diffusion…”
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15
Getting the Classroom Closer to Research Work: Undergraduate Students Prepare N‑Hexylcinnamamide
Published in Journal of chemical education (11-08-2020)“…Amides are usually prepared using amines and acyl halides, which often implies a two-step procedure. Alternatively, coupling reagents can be used in a…”
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16
Theory of magnetodynamics induced by spin torque in perpendicularly magnetized thin films
Published in Physical review letters (31-12-2005)“…A nonlinear model of spin-wave excitation using a point contact in a thin ferromagnetic film is introduced. Large-amplitude magnetic solitary waves are…”
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17
Essential oils for dairy calves: effects on performance, scours, rumen fermentation and intestinal fauna
Published in Animal (Cambridge, England) (01-06-2015)“…The first cause of death of dairy calves is often diarrhea which is mainly caused by pathogenic bacteria, which can result in excessive use of antibiotics…”
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18
Fish Size Correlates to Size and Morphology of Intermuscular Bones in Tambaqui Colossoma macropomum as Shown by Dissection and X-ray Imaging Methods
Published in Fishes (01-04-2023)“…One of the main issues in the processing sector of the tambaqui Colossoma macropomum is the removal and/or fragmentation of intermuscular bones (IBs), which…”
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19
Current-driven microwave dynamics in magnetic point contacts as a function of applied field angle
Published in Physical review. B, Condensed matter and materials physics (01-09-2004)Get full text
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20
Frequency modulation of spin-transfer oscillators
Published in Applied physics letters (21-02-2005)“…Spin-polarized dc electric current flowing into a magnetic layer can induce precession of the magnetization at a frequency that depends on current. We show…”
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