8 citations · 13 across the 15 of their papers we have counts for
14 papers · 1 filter
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…
Magnetic hysteresis control in thin film Fe/Si multilayers by incorporation of B4C
Anton Zubayer, Takayasu Hanashima, Jun Sugiyama +12
Magnetic hysteresis properties in Fe/Si multilayers have been studied as a function of the B4C content to control magnetization amplitude, coercivity, and hysteresis tilt, properti…
Optimization of magnetic contrast layer for neutron reflectometry
Anton Zubayer, Fredrik Eriksson, Naureen Ghafoor +3
Neutron reflectivity is a powerful technique for probing density profiles in films, with applications across Physics, Chemistry, and Biology. However, challenges arise when dealing…
Diminished spin-flip reflectivity in stacked multilayers with varying period thicknesses of Fe/Si by incorporating 11B4C
Anton Zubayer, Naureen Ghafoor, Anton Devishvili +8
This study investigates the effects of 11B4C co-sputtering on the structural and optical properties of Fe/Si stacked multilayers, with a focus on neutron supermirror applications.…
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…
Persistent Uncorrelated Magnetic Domains in Fe/Si Multilayers and their suppression by incorporating 11B4C
Anton Zubayer, Artur Glavic, Naureen Ghafoor +16
This study investigates magnetic domains in Fe/Si and Fe/Si + B4C multilayers using spin flip off-specular polarized neutron reflectometry. The results show that Fe/Si multilayers…
Chemically homogeneous boron carbide 10B/11B isotope modulated neutron interference mirrors
J. Birch, S. Stendah, S. Dorri +3
We introduce a novel type of neutron interference mirrors based on a chemically homogeneous BxC (x>4) matrix with internal high precision 10B/11B isotope modulation. Simulations pr…
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…
Neutron optical tuning of Fe/11B4CTi multilayers for optimal polarization and increased reflectivity for polarizing neutron optics
A. Zubayer, N. Ghafoor, K. A. Thorarinsdottir +7
The concept of scattering length density tuning for improved polarization is investigated for Fe/11B4CTi multilayers and compared to the commonly used Fe/Si system in polarizing mu…
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…
Reflective, polarizing, and magnetically soft amorphous Fe/Si multilayer neutron optics with isotope-enriched 11B4C inducing atomically flat interfaces
A. Zubayer, N. Ghafoor, K. A. Thórarinsdóttir +11
The utilization of polarized neutrons is of great importance in scientific disciplines spanning materials science, physics, biology, and chemistry. Polarization analysis offers ins…
Morphology of buried interfaces in ion-assisted magnetron sputter deposited 11B4C-containing Ni/Ti multilayer neutron optics investigated by grazing incidence small angle scattering
Sjoerd Broekhuijsen, Naureen Ghafoor, Matthias Schwartzkopf +3
Multilayer neutron optics require precise control of interface morphology for optimal performance. In this work, we investigate the effects of different growth conditions on the in…
Interface Bonding of Zr1-xAlxN Nanocomposites Investigated by X-ray Spectroscopies and First Principles Calculations
Martin Magnuson, Weine Olovsson, Naureen Ghafoor +2
The electronic structure, chemical bonding and interface component in ZrN-AlN nanocomposites formed by phase separation during thin film deposition of metastable Zr1-xAlxN (x=0.0,…