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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 photocurrent intensity in layered SiGe heterostructuresSemiconductor Science and Technology
The Influence of Alloying Elements on Mg Vapor Pressure in Liquid Ternary Aluminum Alloys Studied by Laser-Induced Breakdown SpectroscopyMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

2023

Application of p and n-Type Silicon Nanowires as Human Respiratory Sensing DeviceSensors
Epitaxial growth and characterization of (001) [NiFe/M]₂₀ (M = Cu, CuPt and Pt) superlatticesSurfaces and Interfaces

2022

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

2021

On the role of ion potential energy in low energy HiPIMS depositionSurface and Coatings Technology
Tailoring interface alloying and magnetic properties in (111) Permalloy/Pt multilayersJournal of Magnetism and Magnetic Materials
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 etching
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) substrate
Photoluminescence study of Si_1-xGe_xnanoparticles in various oxide matrices

2020

Effect of substrate bias on microstructure of epitaxial film grown by HiPIMSJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
The importance of HiPIMS ionization flux fraction on the film microstructure and surface roughness: A molecular dynamic simulation
Tailoring microstructure and stress through energetic ion bombardment: A molecular dynamic simulation
Effect of substrate bias on microstructure of epitaxial film grown by HiPIMS: An atomistic simulationJournal of Vacuum Science and 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
Effect of atomic ordering on the magnetic anisotropy of single crystal Ni80Fe20AIP Advances
Application of an extended van der Pauw method to anisotropic magnetoresistance measurements of ferromagnetic filmsJournal of Physics D: Applied Physics
Role of ionization fraction on the surface roughness, density, and interface mixing of the films deposited by thermal evaporation, dc magnetron sputtering, and HiPIMSJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films

2018

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

2017

Thickness-dependent magnetic and magnetoresistance properties of permalloy prepared by field assisted tilt sputtering

2016

A sub-μs thermal time constant electrically driven Pt nanoheaterApplied Physics Letters

2014

High-frequency sub-wavelength IR thermal source
Analysis of the noise spectra from oxidized superparamagnetic nanoparticlesPhysical Review B - Condensed Matter and Materials Physics
Power regulation and electromigration in platinum microwiresReview of Scientific Instruments

2013

Sample size effects on the performance of sub-wavelength metallic thin-film bolometersJournal of Optics (United Kingdom)
Broadband injection and scattering of spin waves in lossy width-modulated magnonic crystal waveguidesJournal of Physics D: Applied Physics
DC and AC characterization of MgO magnetic tunnel junction sensorsIEEE Transactions on Magnetics
Optimisation of performance for platinum nanowires as sub-wavelength bolometers

2012

Thermal radiation from Au nanoparticles deposited on patterned Pt microstructuresJournal of Physics D: Applied Physics
Thin-film platinum nanowires as sub-wavelength bolometers

2011

Sub-wavelength bolometersOptics 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

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

2008

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

2007

Enhanced thermal emission from individual antenna-like nanoheatersOptics Express

2005

Magnetic nanoparticles in composite materials and devicesTechnology in Society— Society in Technology
Skammtareikningar, skammtatölvur og hönnun ofurleiðandi segulflæðisskammtabitaRAUST - Tímarit um raunvísindi og stærðfræði

2004

Tunable magnetization damping in transition metal ternary alloysApplied Physics Letters

2002

Local magnetic anisotropy control in NiFe thin films via ion irradiationApplied Physics Letters
Thickness-dependent magnetic properties of Ni₈₁Fe₁₉, Co₉₀Fe₁₀ and Ni₆₅Fe₁₅Co₂₀ thin filmsJournal of Magnetism and Magnetic Materials
Properties of epitaxial chromium dioxide films grown by chemical vapor deposition using a liquid precursorJournal of Applied Physics
Role of electron scattering in the magnetization relaxation of thin Ni₈₁Fe₁₉ filmsPhysical Review B - Condensed Matter and Materials Physics
Role of electron scattering in the magnetization relaxation of thin (formula presented) filmsPhysical Review B - Condensed Matter and Materials Physics
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 - Condensed Matter and Materials Physics

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

1995

Time-of-flight in lithium-compensated GaAsMaterials Science Forum
Oscillations in PLE spectra of Li passivated GaAs, related to interstitial Li donorsMaterials Science Forum
Hot electrons in reciprocal space in GaAs7th Biannual Conference Proceedings of the Icelandic Physical Society
Diffusion and Mobility in Li doped GaAs. Usefulness for determining the disorder parameter.7th Biannual Conference Proceedings of the Icelandic Physical Society

1993

Metal-Semiconductor Interfaces6th Biannual Conference Proceedings of the Icelandic Physical Society

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