Browsing Ráðstefnugreinar - HÍ by Author "Ingvarsson, Snorri"

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Effect of VN buffer layer on the magnetic anisotropy of epitaxial Ni80Fe20thin films deposited on MgO (001) substrates

Sultan, Muhammad Taha; Tryggvason, Ásgeir; Arnalds, Unnar; Ingvarsson, Snorri (IEEE, 2022-10-12)

This study incorporates the structural and magnetic characterization of epitaxial Ni80Fe20 films grown by direct current magnetron sputtering on MgO(001) and MgO(001)||VN(001) substrates. A series of samples grown with different N2 flow settings for ...
Photoluminescence study of Si1-xGex nanoparticles in various oxide matrices

Sultan, Muhammad Taha; Gudmundsson, J. T.; Manolescu, Andrei; Ciurea, Magdalena Lidia; Svavarsson, Halldor; Ingvarsson, Snorri (IEEE, 2021-10-06)

We investigate the photoluminescence properties of structures comprising of Si1-xGex nanoparticles (NPs) within SiO2, GeO2, TiO2 and Ta2O5 oxide matrices. Of the investigated structures, it was observed that the structures with GeO2 and TiO2 matrices ...
Structural and magnetic changes in CoAlZr thin films upon post annealing

Tryggvason, Ásgeir; Frímannsdóttir, T. H.; Sultan, Muhammad Taha; Thorarinsdottir, K. A.; Magnus, F.; Ingvarsson, Snorri (IEEE, 2022-10-12)

We present a study of the effect of annealing amorphous ferromagnetic thin films of Co0.85(Al0.7Zr0.3)0.15, post deposition. The annealing was done in vacuum with no applied magnetic field. We find that already at a relatively low annealing ...

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