Towards shaping picosecond strain pulses via magnetostrictive transducers
- Using time-resolved x-ray diffraction, we demonstrate the manipulation of the picosecond strain response of a metallic heterostructure consisting of a dysprosium (Dy) transducer and a niobium (Nb) detection layer by an external magnetic field. We utilize the first-order ferromagnetic–antiferromagnetic phase transition of the Dy layer, which provides an additional large contractive stress upon laser excitation compared to its zerofield response. This enhances the laser-induced contraction of the transducer and changes the shape of the picosecond strain pulses driven in Dy and detected within the buried Nb layer. Based on our experiment with rare-earth metals we discuss required properties for functional transducers, which may allow for novel field-control of the emitted picosecond strain pulses.
| Author details: | Maximilian MatternORCiD, Jan-Etienne PudellORCiDGND, Karine DumesnilORCiD, Alexander von ReppertORCiDGND, Matias BargheerORCiDGND |
|---|---|
| DOI: | https://doi.org/10.1016/j.pacs.2023.100463 |
| ISSN: | 2213-5979 |
| Title of parent work (English): | Photoacoustics |
| Publisher: | Elsevier |
| Place of publishing: | Amsterdam |
| Publication type: | Article |
| Language: | English |
| Date of first publication: | 2023/02/17 |
| Publication year: | 2023 |
| Release date: | 2023/04/19 |
| Tag: | magnetostriction; nanoscale heat transfer; negative thermal expansion; picosecond ultrasonics; ultrafast photoacoustics; ultrafast x-ray diffraction |
| Volume: | 30 |
| Article number: | 100463 |
| Number of pages: | 7 |
| Funding institution: | Universität Potsdam |
| Funding institution: | Deutsche Forschungsgemeinschaft (DFG) |
| Funding number: | PA 2023_016 |
| Funding number: | Projektnummer 491466077 |
| Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie |
| DDC classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Peer review: | Referiert |
| Grantor: | Publikationsfonds der Universität Potsdam |
| Publishing method: | Open Access / Gold Open-Access |
| License (German): |  CC-BY - Namensnennung 4.0 International |
| External remark: | Zweitveröffentlichung in der Schriftenreihe Zweitveröffentlichungen der Universität Potsdam : Mathemetisch-Naturwissenschaftliche Reihe ; 1321 |
