6 papers
Three-fold Superstructured Superlattice HfN/HfAlN Thin Films for Enhanced Toughness
M. Lorentzon, R. Hahn, J. Palisaitis +4
To simultaneously achieve high hardness and high toughness in protective coatings remains a fundamental challenge. Here, we harness the superlattice architecture to combine Koehler…
Growth Mechanisms and Mechanical Response of 3D Superstructured Cubic and Hexagonal HfAlN Thin Films
M. Lorentzon, N. Takata, D. Depla +10
Transition metal aluminum nitrides are a technologically important class of multifunctional ceramics, however, the HfAlN system remains largely unexplored. We investigate phase sta…
The Role of 11B4C Interlayers in Enhancing Fe/Si Multilayer Performance for Polarized Neutron Mirrors
Anton Zubayer, Fredrik Eriksson, Martin Falk +15
This study investigates the effects of incorporating 11B4C interlayers into Fe/Si multilayers, with a focus on interface quality, reflectivity, polarization, and magnetic propertie…
Eliminating the spin-down critical angle in polarizing neutron optics for expanding the polarization bandwidth
A. Zubayer, N. Ghafoor, A. Glavic +6
Polarized neutron scattering is a very important analysis technique for studies of magnetism, spintronics, and high-sensitivity measurements, among others, offering invaluable info…
Spectral Tuning of Polarization Selective Reflections Bands in GLAD deposited HfAlN chiral sculptured thin films
Samiran Bairagi, Marcus Lorentzon, Firat Angay +5
We present the first report on fabrication of Hafnium aluminum nitride chiral sculptured thin films (CSTFs) using reactive magnetron sputtering in a glancing angle deposition confi…
Material design optimization for large-m 11B4C-based Ni/Ti supermirror neutron optics
Sjoerd Stendahl, Naureen Ghafoor, Anton Zubayer +4
State-of-the-art Ni/Ti supermirror neutron optics have limited reflected intensity and a restricted neutron energy range due to the interface width. Incorporating low-neutron-absor…