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Forsíða

Forsíða

Snorri Þorgeir Ingvarsson - Professor

Snorri Þorgeir Ingvarsson

–

School of Engineering and Natural Sciences

Snorri Þorgeir Ingvarsson

Professor

Location
VR-3 / V03-103
Phone
525 - 4791
Email
sthi [at] hi.is

Unit
Faculty of Physical Sciences
Website
http://www.hi.is/~sthi
Published Work
Snorri Þorgeir Ingvarsson - published work

Curriculum Vitae
Snorri Þorgeir Ingvarsson - Curriculum Vitae
ORCID site
https://orcid.org/0000-0001-8397-8917
Research portal – Snorri Þorgeir Ingvarsson

Published works

2024

Optimizing SiGe–SiO2 Visible–Short‐Wave Infrared Photoresponse by Modulating Interplay Between Strain and Defects Through AnnealingAdvanced Photonics Research
Optimizing photocurrent intensity in layered SiGe heterostructuresSemiconductor Science and Technology

2023

Epitaxial growth and characterization of (001) [NiFe/M]20 (M = Cu, CuPt and Pt) superlatticesSurfaces and Interfaces

2022

Piezoresistance Characterization of Silicon Nanowires in Uniaxial and Isostatic Pressure VariationSensors
Structural and magnetic changes in CoAlZr thin films upon post annealingProceedings of the International Semiconductor Conference, CAS
Structure and electrical behavior of silicon nanowires prepared by MACE processSurfaces and Interfaces
Germanium coated silicon nanowires as human respiratory sensing deviceProceedings of the International Semiconductor Conference, CAS
Structural and magnetic characterization of epitaxial mathrm{V}-{2} mathrm{O}-{3}/ text{Ni}-{80} text{Fe}-{20} hybrid magnetic structuresProceedings of the International Semiconductor Conference, CAS
Effect of VN buffer layer on the magnetic anisotropy of epitaxial Ni₈₀Fe₂₀thin films deposited on MgO (001) substratesProceedings of the International Semiconductor Conference, CAS

2021

Correlation of uniaxial magnetic anisotropy axes and principal resistivities in polycrystalline ferromagnetic filmsJournal of Magnetism and Magnetic Materials
Facile formation of self-Assembled Ga droplets on GaAs (001) substrateProceedings of the International Semiconductor Conference, CAS
Tailoring interface alloying and magnetic properties in (111) Permalloy/Pt multilayersJournal of Magnetism and Magnetic Materials
Synthesis and photoluminescence study of silicon nanowires obtained by metal assisted chemical etchingProceedings of the International Semiconductor Conference, CAS
On the role of ion potential energy in low energy HiPIMS deposition: An atomistic simulationSurface and Coatings Technology
Photoluminescence study of Si_1-xGe_xnanoparticles in various oxide matricesProceedings of the International Semiconductor Conference, CAS

2020

Effect of substrate bias on microstructure of epitaxial film grown by HiPIMS: An atomistic simulationJournal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films

2019

Oblique angle deposition of nickel thin films by high-power impulse magnetron sputteringBeilstein Journal of Nanotechnology
Effect of atomic ordering on the magnetic anisotropy of single crystal Ni80Fe20AIP Advances
Role of ionization fraction on the surface roughness, density, and interface mixing of the films deposited by thermal evaporation, dc magnetron sputtering, and HiPIMS: An atomistic simulationJournal of Vacuum Science & Technology A
Application of an extended van der Pauw method to anisotropic magnetoresistance measurements of ferromagnetic filmsJournal of Physics D: Applied Physics

2018

Size and shape-dependent melting mechanism of Pd nanoparticlesJournal of Nanoparticle Research
Grain growth in Pt microheaters subjected to high current density under constant powerJournal of Physics D: Applied Physics
Comparison of magnetic and structural properties of permalloy Ni80Fe20 grown by dc and high power impulse magnetron sputteringJournal of Physics D: Applied Physics
Effect of substrate bias on properties of HiPIMS deposited vanadium nitride filmsThin Solid Films

2017

Thickness-dependent magnetic and magnetoresistance properties of permalloy prepared by field assisted tilt sputtering2017 IEEE Sensors Applications Symposium (SAS)

2016

A sub-μs thermal time constant electrically driven Pt nanoheater: thermo-dynamic design and frequency characterizationApplied Physics Letters

2014

High-frequency sub-wavelength IR thermal sourceSilicon Photonics and Photonic Integrated Circuits IV
Analysis of the noise spectra from oxidized superparamagnetic nanoparticlesPhysical Review B
Power regulation and electromigration in platinum microwiresReview of Scientific Instruments

2013

Optimisation of performance for platinum nanowires as sub-wavelength bolometersInfrared Sensors, Devices, and Applications III
Sample size effects on the performance of sub-wavelength metallic thin-film bolometersJournal of Optics
DC and AC Characterization of MgO Magnetic Tunnel Junction SensorsIEEE Transactions on Magnetics
Broadband injection and scattering of spin waves in lossy width-modulated magnonic crystal waveguidesJournal of Physics D-Applied Physics

2012

Thin-film platinum nanowires as sub-wavelength bolometersTerahertz Technology and Applications V
Thermal radiation from Au nanoparticles deposited on patterned Pt microstructuresJournal of Physics D-Applied Physics

2011

Sub-wavelength bolometers: Uncooled platinum wires as infrared sensorsOptics Express
Sub-wavelength bolometers: Uncooled platinum wires as infrared sensorsOptics Express

2010

Impedance spectroscopy of micron sized magnetic tunnel junctions with MgO tunnel barrierApplied Physics Letters
Optical spectra of organic quantum dots in the strong coupling regimeSuperlattices and Microstructures

2009

Ferromagnetic resonance of individual magnetic double layer microwiresJournal of Applied Physics
Changing the emission of polarized thermal radiation from metallic nanoheatersOptics Express
Changing the emission of polarized thermal radiation from metallic nanoheatersOptics Express

2008

Progress towards a thermally driven, infra-red near-field source using nanoheatersJournal of Microscopy-Oxford
Coherence properties of infrared thermal emission from heated metallic nanowiresApplied Physics Letters
Thermal radiation spectra of individual subwavelength microheatersPhysical Review B
Thermal radiation spectra of individual subwavelength microheatersPhysical Review B

2007

Enhanced thermal emission from individual antenna-like nanoheatersOptics Express
Enhanced thermal emission from individual antenna-like nanoheatersOptics Express

2004

Tunable magnetization damping in transition metal ternary alloysApplied Physics Letters
Tunable magnetization damping in transition metal ternary alloysApplied Physics Letters

2002

Thickness-dependent magnetic properties of Ni(81)Fe(19), Co(90)Fe(10) and Ni(65)Fe(15)Co(20) thin filmsJournal of Magnetism and Magnetic Materials
Local magnetic anisotropy control in NiFe thin films via ion irradiationApplied Physics Letters
Properties of epitaxial chromium dioxide films grown by chemical vapor deposition using a liquid precursorJournal of Applied Physics
Magnetic exchange bias enhancement through seed layer variation in FeMn/NiFe layered structuresJournal of Magnetism and Magnetic Materials
Role of electron scattering in the magnetization relaxation of thin Ni81Fe19 filmsPhysical Review B
Magnetic exchange bias enhancement through seed layer variation in FeMn/NiFe layered structuresJournal of Magnetism and Magnetic Materials

2001

Near-complete spin polarization in atomically-smooth chromium-dioxide epitaxial films prepared using a CVD liquid precursorPhysical Review B

2000

Low-frequency magnetic noise in micron-scale magnetic tunnel junctionsPhysical Review Letters
Néel "orange-peel" coupling in magnetic tunneling junction devicesApplied Physics Letters

1999

Electronic noise in magnetic tunnel junctionsJournal of Applied Physics
Electronic noise in magnetic tunnel junctionsJournal of Applied Physics

1995

Time-of-flight in lithium-compensated GaAsIcds-18 - Proceedings of the 18th International Conference on Defects in Semiconductors, Pts 1-4
Oscillations in PLE spectra of Li passivated GaAs, related to interstitial Li donorsIcds-18 - Proceedings of the 18th International Conference on Defects in Semiconductors, Pts 1-4

Keywords for Specialisation:

Condensed matter physics

Spin dependent devices

Electron spin transport

Applied magnetics

Magnetic materials and characterization

Nanostructures and devices e.g. memory and sensors