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We report results on epitaxial magnetite (Fe 3 O 4 ) thin films grown by electron beam ablation on (1 0 0) MgAl 2 O 4 substrates. At 120 K magnetite undergoes a structural and electronic transition, the so-called Verwey transition, at... more
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      Magnetic thin filmsMagnetite
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    •   3  
      Materials ScienceMagnetic thin filmsMagnetic Shape Memory Alloys
Thermoelectric Power studies of Ni-Mg ferrites having chemical formula Ni 1-x Mg x FeO 4 (x = 0.2, 0.4, 0.6 and 0.8) were investigated from room temperature to well beyond Curie temperature by the differential method. The Seebeck... more
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    •   6  
      SpintronicsNanoparticlesMultiferroicsPulsed Laser Deposition
Due to advancements in nanomagnetism and latest nanomagnetic materials and devices, a new potential field has been opened up for research and applications which was not possible before. We herein propose a new research field and... more
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    •   5  
      Condensed Matter PhysicsAntennas & Radio Wave PropagationApplied PhysicsMagnetic thin films
This paper reports the growth of Mn doped ZnO thin films by sol-gel technique with different Mn concentration (0-20 %). Structural and vibrational properties have been measured by X-ray diffraction and Raman spectroscopy. The films... more
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      Thin Films and CoatingsSpintronicsMagnetic MaterialsStructural Analysis
CoP multilayers have been electrodeposited on Cu wires. By applying external torsion, it is possible to indnce helical anisotropies that become permanent when the torsion is removed. These anisotropies and consequently the magnetization... more
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    •   2  
      ElectrodepositionMagnetic thin films
Focused ion beam induced structural modifications in thin magnetic films J. Appl. Phys. 112, 033901 (2012) Magnetic field alignment of template released ferromagnetic nanowires J. Appl. Phys. 112, 013910 (2012) Periodic arrays of magnetic... more
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    •   9  
      EngineeringTechnologySpintronicsNanoparticles
Magnetite nanoparticles doped with Na + ions are prepared by co-precipitation method and characterized by X-ray diffraction (XRD), Transmission electron microscopy (TEM), Vibrating sample magnetometer (VSM), Dynamic light scattering... more
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    •   47  
      Synthesis of nanoparticlesBiomaterialsNanomaterials simulationNanomaterials Characterization
Lanthanum halide nanoparticle scintillators for nuclear radiation detection J. Appl. Phys. 113, 064303 (2013) Molecular dynamics simulations of evaporation-induced nanoparticle assembly J. Chem. Phys. 138, 064701 (2013) Nanoparticles... more
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    •   57  
      Materials ScienceCrystallographySynthesis of nanoparticlesBiomaterials
Nickel nanoparticles arrays, growth into hydro-genated amorphous carbon, were prepared by means of RF-plasma enhanced chemical vapor deposition and RF-sputtering co-deposition from acetylene and a nickel target. The resulting... more
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    •   20  
      Low dimensional topologySynthesis of nanoparticlesNanomaterials CharacterizationNanoelectronics
We have used resonant x-ray diffraction to develop a detailed description of antiferromagnetic ordering in epitaxial superlattices based on two-unit-cell thick layers of the strongly correlated metal LaNiO 3. We also report reference... more
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    • Magnetic thin films
We introduce a facile approach to transfer thin films and other mechanically sensitive TEM samples inside a FIB with minimal introduction of stress and bending. The method is making use of a pre-synthetized flexible free-standing Ag... more
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    •   7  
      NanowiresBeam Sensitive SamplesMagnetic thin filmsAntiferromagnet
A series of Fe x Ni 100 À x (2rxr100) thin films with thicknesses between 110 and 150 nm were evaporated on Si(100) substrates. The structural, magnetic and electrical properties of the films were studied by means of X-ray diffraction... more
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    • Magnetic thin films
A thorough micromagnetic analysis of the exchange-spring problem is reported with special emphasis on multilayers constituted by hard-soft exchange-coupled phases. The developed one-dimensional micromagnetic model leads to a complete... more
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    •   7  
      Mechanical EngineeringCondensed Matter PhysicsExchange Spring MagnetismMagnetization Reversal
We have studied the structure,the surface morphology, the magnetic domains and the magnetization of ferromagnetic BaFeO3-δ (BFO) thin films deposited on single-crystal MgO(001) substrate.The BFO film is ferromagnetic-insulating at room... more
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      Thin FilmsMagnetic thin filmsMagnetic DomainsMagnetic multilayers
We present a study of the magnetic properties and magnetization processes in hard Co-Pt ͑Pt ϳ 20 at. % ͒ films. Co-rich Co-Pt films, with thickness t ranging from 5 nm up to 2 m, were prepared by electrodeposition on ͑0001͒-oriented Ru... more
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      Magnetic MaterialsMagnetic thin filmsMagnetism and Magnetic Materials
Calcium phosphate (CaP) compounds like hydroxyapatite and tricalcium phosphates are considered to be very important biomaterials. This study used RF-magnetron sputtering (RF-MS) to deposit CaP onto 316L SS. Due to the complex nature of... more
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    •   21  
      Composite Materials and StructuresMechanical Properties of CeramicsThin Films and CoatingsSpintronics
We have simulated the magnetic relaxation and the formation of magnetic domains in very thin films with strong anisotropy perpendicular to the film plane. We have used Monte Carlo simulation based on a two-dimensional classical Ising... more
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      PhysicsMagnetic thin films
The in#uence of long-range dipole}dipole interaction on the coercivity of an array of glass-coated CuNiCo microwires is investigated by means of magnetic hysteresis measurements and Monte Carlo simulations. The microwires exhibit a... more
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    • Magnetic thin films
Thin films of Co-rich transition metal or metal CoeMT (MT ¼ V, Cr, Cu, Zn, Cd, Hf) compounds were fabricated as a superposition of oblique nano-sheets (z300 x 80 Â 5 nm for each nano-sheet) from a mixture of Co and MT plasmas. Because the... more
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    •   4  
      NanotechnologyNanoscienceMagnetic thin filmsMagnetic Anisotropy
Lanthanum halide nanoparticle scintillators for nuclear radiation detection J. Appl. Phys. 113, 064303 (2013) Molecular dynamics simulations of evaporation-induced nanoparticle assembly J. Chem. Phys. 138, 064701 (2013) Nanoparticles... more
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    •   56  
      EngineeringMaterials ScienceCrystallographySynthesis of nanoparticles
We have studied the thermal stability of L1 0 FePt thin films and Fe-FePt exchange-spring (ES) bilayers grown on (1 0 0) MgO by RF sputtering. The viscosity curves showed both for FePt films and bilayers a clear logarithmic decay of... more
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      Mechanical EngineeringCondensed Matter PhysicsMagnetic RecordingMagnetic Materials
Temperature dependence of the magnetic properties of ultrathin Fe/Cu 3 Au films (thickness <15 Å ) grown at room temperature (RT) have been investigated in UHV by means of magneto optical Kerr effect (MOKE). Thermal magnetic properties of... more
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      Surfaces and InterfacesMagnetic thin filmsMagnetism and Magnetic Materials
Pure spin currents have potential for use in energy-friendly spintronics. They can be generated by a flow of charge along a nonmagnetic metal with large spin−orbit coupling. This produces a spin accumulation at the surfaces, controllable... more
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      SpintronicsGiant MagnetoresistanceX-Ray Absorption Spectroscopy (in Materials Characterisation/X Ray Analysis)Platinum
We have studied the magnetic domain patterns and the thermodynamical properties of magnetic thin films with perpendicular anisotropy. The temperature dependence of the domain pattern, specific heat, susceptibility, and spatial correlation... more
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      PhysicsPhase TransitionsMagnetic thin filmsCorrelation function
Iron oxides are material of interest because of their use in spintronic devices including Magnetic Tunnel Junctions (MTJ) and Random Access Memories (RAM). Among the various phases of iron oxide, Fe 2 O 3 is the most stable form which... more
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    • Magnetic thin films
A numerical model has been developed for simulating magnetic domain configurations, remanence, and viscosity curves in systems with strong perpendicular anisotropy and strong disorder, starting from internal switching field distributions... more
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    •   14  
      Magnetic RecordingMagnetic Force MicroscopyExchange Spring MagnetismMagnetization Reversal
TiO2 thin films were deposited on unheated and heated glass substrates at an elevated sputtering pressure of 3 Pa by radio frequency (RF) reactive magnetron sputtering. TiO2 films deposited at room temperature were annealed in air for 1 h... more
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    •   77  
      BioinformaticsMolecular Dynamics SimulationGenomicsProtein Structure Prediction
The nanostructures and magnetic properties of Ge 1 À x Mn x thin films grown on Si substrates by molecular beam epitaxy, with different nominal Mn concentrations (1 À 4%) and different growth temperatures, have been systematically... more
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      Crystal GrowthSpintronicsMagnetic MaterialsNanoparticles
We present a magnetic characterisation of MnAs films grown by MOVPE on semiconductor substrates, for comparing the effect of thickness and substrate on their magnetic and magneto-thermal properties, with particular focus on the nature of... more
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    •   12  
      Mechanical EngineeringCondensed Matter PhysicsSpintronicsMagnetic Materials
We have used resonant x-ray diffraction to develop a detailed description of antiferromagnetic ordering in epitaxial superlattices based on two-unit-cell thick layers of the strongly correlated metal LaNiO 3. We also report reference... more
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    •   2  
      Physical sciencesMagnetic thin films
Patterned magnetic thin films have for the first time been used to orient and retain micron-sized III-V elements on silicon substrates during fluidic hybrid assembly. Modeling of the forces between Ni thin films patterned on one surface... more
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      EngineeringApplied PhysicsMagnetic thin filmHysteresis
We analyze here the magneto-optical measurements of hybrid materials containing metallic and oxide ferromagnetic phases. We show that the magnetization curves obtained with this technique can be fairly different to those obtained with... more
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    •   4  
      Thin film (Physics)Magnetic thin filmsMagnetometryMagneto-optics
Magnetic systems exhibiting an exchange bias effect are being considered as materials for applications in data storage devices, sensors, and biomedicine. Because the size of new magnetic devices is being continuously reduced, the... more
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    •   21  
      Magnetic MaterialsNanomaterialsNanotechnologyFerromagnetics
The magnetic behavior of the perpendicular exchange-spring bilayer and multilayer, constituted of a hard and a soft phase that are exchange-coupled on a nanometric scale, is analyzed by a one-dimensional micromagnetic model leading to a... more
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    •   9  
      Magnetic RecordingExchange Spring MagnetismMicromagnetismMagnetization Reversal
We present a study of the magnetic properties and magnetization processes in hard Co-Pt ͑Pt ϳ 20 at. % ͒ films. Co-rich Co-Pt films, with thickness t ranging from 5 nm up to 2 m, were prepared by electrodeposition on ͑0001͒-oriented Ru... more
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    •   15  
      EngineeringMagnetic MaterialsApplied PhysicsMagnetic Force Microscopy
We present a magnetic characterisation of MnAs films grown by MOVPE on semiconductor substrates, for comparing the effect of thickness and substrate on their magnetic and magneto-thermal properties, with particular focus on the nature of... more
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    •   11  
      Mechanical EngineeringCondensed Matter PhysicsSpintronicsMagnetic Materials
A numerical model has been developed for simulating magnetic domain configurations, remanence, and viscosity curves in systems with strong perpendicular anisotropy and strong disorder, starting from internal switching field distributions... more
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    •   14  
      Magnetic RecordingMagnetic Force MicroscopyExchange Spring MagnetismMagnetization Reversal
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    •   91  
      Materials EngineeringBioinformaticsMolecular Dynamics SimulationGenomics
ABSTRACT Perovskite BaFeO3−δ (BFO) thin films (∼250 nm), deposited on MgO (001) singlecrystal wafers, were irradiated by ion beams of: i) 200MeV Ag+15 (Series-1) and ii) 100MeV O+7 (Series-2). These films are investigated for structural,... more
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    •   6  
      Magnetic Force MicroscopyMathematical SciencesPhysical sciencesMagnetic thin films
The magnetic susceptibility of Fe–Al off-normal pulsed laser deposited thin films was measured at ultra high frequencies, UHF. Different Fe(1-x)–Al(x) films from pure Fe to x = 0.2 Al were prepared. The films were ≈ 40 nm thick and... more
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    •   3  
      Pulsed Laser DepositionMagnetic thin filmsAnisotropy of magnetic susceptibility (AMS)
The magnetic properties and the magnetization process of electrodeposited thick films of Co-rich CoPt alloys are studied with particular emphasis on the effects of growth rate, controlled by varying the plating current density, and of... more
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    •   2  
      Magnetic MaterialsMagnetic thin films
A numerical model has been developed for simulating magnetic domain configurations, remanence, and viscosity curves in systems with strong perpendicular anisotropy and strong disorder, starting from internal switching field distributions... more
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    •   4  
      Exchange Spring MagnetismMagnetic thin filmsMagnetism and Magnetic MaterialsMicromagnetic Modeling