Search Results - "Vaz, C A"
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1
Dynamics and inertia of skyrmionic spin structures
Published in Nature physics (01-03-2015)“…Understanding the motion of magnetic skyrmions is essential if they are to be used as information carriers in devices. It is now shown that topological…”
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2
Magnon Modes of Microstates and Microwave-Induced Avalanche in Kagome Artificial Spin Ice with Topological Defects
Published in Physical review letters (11-09-2020)“…We investigate spin dynamics of microstates in artificial spin ice (ASI) in Ni81Fe19 nanomagnets arranged in an interconnected kagome lattice using microfocus…”
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3
Additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmions at room temperature
Published in Nature nanotechnology (01-05-2016)“…Facing the ever-growing demand for data storage will most probably require a new paradigm. Nanoscale magnetic skyrmions are anticipated to solve this issue as…”
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4
Efficient magnetic switching in a correlated spin glass
Published in Nature communications (02-10-2023)“…The interplay between spin-orbit interaction and magnetic order is one of the most active research fields in condensed matter physics and drives the search for…”
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5
ACCM/PALS haemodynamic support guidelines for paediatric septic shock: an outcomes comparison with and without monitoring central venous oxygen saturation
Published in Intensive care medicine (01-06-2008)“…Introduction The ACCM/PALS guidelines address early correction of paediatric septic shock using conventional measures. In the evolution of these…”
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6
Operando Imaging of All-Electric Spin Texture Manipulation in Ferroelectric and Multiferroic Rashba Semiconductors
Published in Physical review. X (18-06-2018)“…The control of the electron spin by external means is a key issue for spintronic devices. Using spin- and angle-resolved photoemission spectroscopy (SARPES)…”
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7
Direct observation of domain-wall configurations transformed by spin currents
Published in Physical review letters (08-07-2005)“…Direct observations of current-induced domain-wall propagation by spin-polarized scanning electron microscopy are reported. Current pulses move head-to-head as…”
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8
Controlled and reproducible domain wall displacement by current pulses injected into ferromagnetic ring structures
Published in Physical review letters (18-03-2005)“…In a combined numerical and experimental study, we demonstrate that current pulses of different polarity can reversibly and controllably displace a magnetic…”
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9
Deterministic and robust room-temperature exchange coupling in monodomain multiferroic BiFeO3 heterostructures
Published in Nature communications (17-11-2017)“…Exploiting multiferroic BiFeO 3 thin films in spintronic devices requires deterministic and robust control of both internal magnetoelectric coupling in BiFeO 3…”
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10
Role of interdiffusion on the magnetism of ultrathin LaMnO3 films
Published in AIP advances (01-02-2024)“…We present a detailed study of the magnetic, spectroscopic and structural properties of ultrathin LaMnO3 films deposited on SrTiO3(001) substrates by oxide…”
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11
Mesoscale flow variability and its impact on connectivity for the island of Hawai`i
Published in Geophysical research letters (28-01-2013)“…Understanding population connectivity is a contemporary challenge in marine ecology. Connectivity results from a combination of biological traits and physical…”
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12
Energy equilibration processes of electrons, magnons, and phonons at the femtosecond time scale
Published in Physical review letters (05-12-2008)“…We relate the energy dissipation processes at the femtosecond (electron-spin relaxation time tau el-sp) and nanosecond time scale (Gilbert relaxation taualpha)…”
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13
Observation of a bi-domain state and nucleation free switching in mesoscopic ring magnets
Published in Physical review letters (05-02-2001)“…We present the results of a study of the magnetic properties of an array of 34-nm thick Co(100) epitaxial ring magnets, with inner and outer diameters of d(in)…”
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14
The ultrafast Einstein–de Haas effect
Published in Nature (London) (01-01-2019)“…The Einstein-de Haas effect was originally observed in a landmark experiment 1 demonstrating that the angular momentum associated with aligned electron spins…”
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15
Domain wall pinning in narrow ferromagnetic ring structures probed by magnetoresistance measurements
Published in Physical review letters (07-03-2003)“…We present a magnetoresistance study of magnetization reversal and domain wall pinning effects in a mesoscopic narrow ferromagnetic Permalloy ring structure…”
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16
Automatable sample fabrication process for pump-probe X-ray holographic imaging
Published in Optics express (16-12-2013)“…Soft X-ray holography is a recently developed imaging technique with sub-50 nm spatial resolution. Key advantages of this technique are magnetic and elemental…”
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17
Ultrafast demagnetization in iron: Separating effects by their nonlinearity
Published in Structural dynamics (Melville, N.Y.) (01-07-2018)“…The laser-driven ultrafast demagnetization effect is one of the long-standing problems in solid-state physics. The time scale is given not only by the transfer…”
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18
High frequency characterization of Si$$_3$$N$$_4$$ dielectrics for artificial magnetoelectric devices
Published in Journal of materials science (01-11-2022)“…Abstract Charge mediated magnetoelectric coupling mechanism in artificial multiferroics originates from interfacial charge modulation or ionic movement at a…”
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19
High frequency characterization of Si3N4 dielectrics for artificial magnetoelectric devices
Published in Journal of materials science (01-11-2022)“…Charge mediated magnetoelectric coupling mechanism in artificial multiferroics originates from interfacial charge modulation or ionic movement at a…”
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20
Temperature dependence of the spin torque effect in current-induced domain wall motion
Published in Physical review letters (28-07-2006)“…We present an experimental study of domain wall motion induced by current pulses as well as by conventional magnetic fields at temperatures between 2 and 300 K…”
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