ArticlePhotoacoustics2023
Towards shaping picosecond strain pulses via magnetostrictive transducers.
Article in Photoacoustics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Polariton probing of attometre displacement and nanoscale strain in ultrashort acoustic pulses.Nature materials · 2025Article
- Special issue introduction: Ultrafast photoacoustics.Photoacoustics · 2024Article
- Concepts and use cases for picosecond ultrasonics with x-rays.Photoacoustics · 2023Review
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5 authors.
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Abstract
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 zero-field 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.
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