Search Results - "Fraile Rodriguez, Arantxa"
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Imaging of Antiferroelectric Dark Modes in an Inverted Plasmonic Lattice
Published in ACS nano (09-05-2023)“…Plasmonic lattice nanostructures are of technological interest because of their capacity to manipulate light below the diffraction limit. Here, we present a…”
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Manipulation of competing ferromagnetic and antiferromagnetic domains in exchange-biased nanostructures
Published in Physical review. B, Condensed matter and materials physics (20-11-2015)“…Using photoemission electron microscopy combined with x-ray magnetic circular dichroism we show that a progressive spatial confinement of a ferromagnet (FM),…”
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Magnetic nanoparticles: From the nanostructure to the physical properties
Published in Journal of magnetism and magnetic materials (01-02-2022)“…[Display omitted] Some of the synthesis methods and physical properties of iron oxide-based magnetic nanoparticles such as Fe3-xO4 and CoxFe3-xO4 are reviewed…”
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Unveiling the Origin of Multidomain Structures in Compositionally Modulated Cylindrical Magnetic Nanowires
Published in ACS nano (27-10-2020)“…CoNi/Ni multisegmented cylindrical nanowires were synthesized via an electrochemical route. The wires are 140 nm in diameter, with 1000 nm long Ni segments and…”
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Real-space observation of emergent magnetic monopoles and associated Dirac strings in artificial kagome spin ice
Published in Nature physics (01-01-2011)“…Magnetic monopoles have been predicted to occur as emergent fractional quasiparticles inside pyrochlore spin ice, a frustrated magnetic insulator. Experimental…”
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Direct observation of magnetic metastability in individual iron nanoparticles
Published in Physical review letters (14-03-2014)“…X-ray photoemission electron microscopy combined with x-ray magnetic circular dichroism is used to study the magnetic properties of individual iron…”
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Electric-field control of local ferromagnetism using a magnetoelectric multiferroic
Published in Nature materials (01-06-2008)“…Multiferroics are of interest for memory and logic device applications, as the coupling between ferroelectric and magnetic properties enables the dynamic…”
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Tunable circular dichroism through absorption in coupled optical modes of twisted triskelia nanostructures
Published in Scientific reports (07-01-2022)“…We present a system consisting of two stacked chiral plasmonic nanoelements, so-called triskelia, that exhibits a high degree of circular dichroism. The…”
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Magnetic Nanoparticles: from the Nanostructure to the Physical Properties
Published in 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers) (01-05-2023)“…Some of the synthesis methods and physical properties of iron oxide-based magnetic nanoparticles such as Fe 3- x O 4 and CoxFe 3-x O 4 are reviewed because of…”
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Conference Proceeding -
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Geometric frustration in a hexagonal lattice of plasmonic nanoelements
Published in Optics express (06-08-2018)“…We introduce the concept of geometric frustration in plasmonic arrays of nanoelements. In particular, we present the case of a hexagonal lattice of Au…”
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Resistance switching at the nanometre scale in amorphous carbon
Published in New journal of physics (01-01-2011)Get full text
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Geometric frustration in ordered lattices of plasmonic nanoelements
Published in Scientific reports (05-03-2019)“…Inspired by geometrically frustrated magnetic systems, we present the optical response of three cases of hexagonal lattices of plasmonic nanoelements. All of…”
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X-Ray Magnetic Circular Dichroism Picks out Single-Molecule Magnets Suitable for Nanodevices
Published in Advanced materials (Weinheim) (12-01-2009)“…The surface sensitivity of X‐ray Magnetic Circular Dichroism in extreme conditions is exploited to investigate the first layers of bulk single‐molecule magnets…”
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An Inverted Honeycomb Plasmonic Lattice as an Efficient Refractive Index Sensor
Published in Nanomaterials (Basel, Switzerland) (04-05-2021)“…We present an efficient refractive index sensor consisting of a heterostructure that contains an Au inverted honeycomb lattice as a main sensing element. Our…”
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Selective Control over the Morphology and the Oxidation State of Iron Oxide Nanoparticles
Published in Langmuir (12-01-2021)“…Iron oxide nanoparticles (NPs) have been extensively used for both health and technological applications. The control over their morphology, crystal…”
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Magnetic nanoparticles: from the nanostructure to the physical properties
Published 24-01-2024“…Journal of Magnetism and Magnetic Materials 543 (2022) 168594 Some of the synthesis methods and physical properties of iron-oxide based magnetic nanoparticles…”
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Tunable circular dichroism through absorption in coupled optical modes of twisted triskelia nanostructures
Published 24-01-2024“…Scientific Reports 12 (2022) 26 We present a system consisting of two stacked chiral plasmonic nanoelements, so-called triskelia, that exhibits a high degree…”
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Geometric frustration in ordered lattices of plasmonic nanoelements
Published 24-01-2024“…Scientific Reports 9 (2019) 3529 Inspired by geometrically frustrated magnetic systems, we present the optical response of three cases of hexagonal lattices of…”
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Journal Article -
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Imaging of Antiferroelectric Dark Modes in an Inverted Plasmonic Lattice
Published 23-01-2024“…ACS Nano 17 (2023) 8123 Plasmonic lattice nanostructures are of technological interest because of their capacity to manipulate light below the diffraction…”
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Journal Article