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| Main Authors: | , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2502.07507 |
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| _version_ | 1866915146124754944 |
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| author | Zubayer, Anton Eriksson, Fredrik Falk, Martin Lorentzon, Marcus Palisaitis, Justinas Klauser, Christine Nagy, Gyula Wolf, Philipp M. Pitthan, Eduardo Holeňák, Radek Primetzhofer, Daniel Stenning, Gavin B. G. Glavic, Artur Stahn, Jochen Dorri, Samira Eklund, Per Birch, Jens Ghafoor, Naureen |
| author_facet | Zubayer, Anton Eriksson, Fredrik Falk, Martin Lorentzon, Marcus Palisaitis, Justinas Klauser, Christine Nagy, Gyula Wolf, Philipp M. Pitthan, Eduardo Holeňák, Radek Primetzhofer, Daniel Stenning, Gavin B. G. Glavic, Artur Stahn, Jochen Dorri, Samira Eklund, Per Birch, Jens Ghafoor, Naureen |
| contents | This study investigates the effects of incorporating 11B4C interlayers into Fe/Si multilayers, with a focus on interface quality, reflectivity, polarization, and magnetic properties for polarized neutron optics. It is found that the introduction of 1 Å and 2 Å 11B4C interlayers significantly improves the interface sharpness, reducing interface width and preventing excessive Si diffusion into the Fe layers. X-ray reflectivity and polarized neutron reflectivity measurements show enhanced reflectivity and polarization, with a notable increase in polarization for 30 Å period multilayers. The inclusion of interlayers also helps prevent the formation of iron-silicides, improving both the magnetic properties and neutron optical performance. However, the impact of interlayers is less pronounced in thicker-period multilayers (100 Å), primarily due to the ratio between layer and interface widths. These results suggest that 11B4C interlayers offer a promising route for optimizing Fe/Si multilayer performance in polarized neutron mirrors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_07507 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Role of 11B4C Interlayers in Enhancing Fe/Si Multilayer Performance for Polarized Neutron Mirrors Zubayer, Anton Eriksson, Fredrik Falk, Martin Lorentzon, Marcus Palisaitis, Justinas Klauser, Christine Nagy, Gyula Wolf, Philipp M. Pitthan, Eduardo Holeňák, Radek Primetzhofer, Daniel Stenning, Gavin B. G. Glavic, Artur Stahn, Jochen Dorri, Samira Eklund, Per Birch, Jens Ghafoor, Naureen Materials Science This study investigates the effects of incorporating 11B4C interlayers into Fe/Si multilayers, with a focus on interface quality, reflectivity, polarization, and magnetic properties for polarized neutron optics. It is found that the introduction of 1 Å and 2 Å 11B4C interlayers significantly improves the interface sharpness, reducing interface width and preventing excessive Si diffusion into the Fe layers. X-ray reflectivity and polarized neutron reflectivity measurements show enhanced reflectivity and polarization, with a notable increase in polarization for 30 Å period multilayers. The inclusion of interlayers also helps prevent the formation of iron-silicides, improving both the magnetic properties and neutron optical performance. However, the impact of interlayers is less pronounced in thicker-period multilayers (100 Å), primarily due to the ratio between layer and interface widths. These results suggest that 11B4C interlayers offer a promising route for optimizing Fe/Si multilayer performance in polarized neutron mirrors. |
| title | The Role of 11B4C Interlayers in Enhancing Fe/Si Multilayer Performance for Polarized Neutron Mirrors |
| topic | Materials Science |
| url | https://arxiv.org/abs/2502.07507 |