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Ultrafast spectroscopic probes of acoustic phonons in multiferroic thin films and semiconductor heterostructures

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dc.contributor.author LLOYD-HUGHES, James
dc.date.accessioned 2019-10-25T13:58:46Z
dc.date.available 2019-10-25T13:58:46Z
dc.date.issued 2013
dc.identifier.citation LLOYD-HUGHES, James. Ultrafast spectroscopic probes of acoustic phonons in multiferroic thin films and semiconductor heterostructures. In: ICNBME-2013. International Conference on Nanotechnologies and Biomedical Engineering. German-Moldovan Workshop on Novel Nanomaterials for Electronic, Photonic and Biomedical Applications: proc. of the 2th intern. conf., April 18-20, 2013. Chişinău, 2013, p. 30. ISBN 978-9975-62-343-8. en_US
dc.identifier.isbn 978-9975-62-343-8
dc.identifier.uri http://repository.utm.md/handle/5014/5338
dc.description.abstract The interaction of an ultrashort pulse of light with acoustic phonons provides a convenient and non-contact methodology to determine the elastic properties of nanomaterials. The epitaxial growth of thin films with thicknesses of a few hundred nanometres can create multiferroics with properties tailored by strain engineering. Ultrafast photoacoustic spectroscopy was used to determine the elastic constant and magnon response of the room temperature magnetoelectric bismuth ferrite. When applied to semiconductor quantum well heterostructures photoacoustic spectroscopy provides a precise probe of superlattice periodicity and interface quality. en_US
dc.language.iso en en_US
dc.publisher Tehnica UTM en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject acoustic phonons en_US
dc.subject multiferroics en_US
dc.subject quantum cascade lasers en_US
dc.subject ultrafast spectroscopy en_US
dc.title Ultrafast spectroscopic probes of acoustic phonons in multiferroic thin films and semiconductor heterostructures en_US
dc.type Article en_US


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