Spectral control of elastic dynamics in metallic nano-cavities.
Spectral control of elastic dynamics in metallic nano-cavities.
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DOI:
10.1038/s41598-017-11099-y
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发表时间:
2017-09-06
影响因子:
4.6
通讯作者:
Krebs HU
中科院分区:
文献类型:
--
作者:
Ulrichs H;Meyer D;Döring F;Eberl C;Krebs HU
We show how the elastic response of metallic nano-cavities can be tailored by tuning the interplay with an underlying phononic superlattice. In particular, we exploit ultrafast optical excitation in order to address a resonance mode in a tungsten thin film, grown on top of a periodic MgO/ZrO2 multilayer. Setting up a simple theoretical model, we can explain our findings by the coupling of the resonance in the tungsten to an evanescent surface mode of the superlattice. To demonstrate a second potential benefit of our findings besides characterization of elastic properties of multilayer samples, we show by micromagnetic simulation how a similar structure can be utilized for magneto-elastic excitation of exchange-dominated spin waves.
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影响因子:
3.7
作者:
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通讯作者:
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通讯作者:
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