Ultrafast changes in lattice symmetry probed by coherent phonons at the onset 
of the photoinduced phase transition in VO2

Wolf, Martin; Wall, Simon; Foglia, Laura; Appavoo, K.; Nag, J.; Haglund, R. F.; Stähler, J.

doi:10.1364/ICUSD.2012.IW4D.1

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Ultrafast changes in lattice symmetry probed by coherent phonons at the onset of the photoinduced phase transition in VO₂

Wolf, M., Wall, S., Foglia, L., Appavoo, K., Nag, J., Haglund, R. F., et al. (2012). Ultrafast changes in lattice symmetry probed by coherent phonons at the onset of the photoinduced phase transition in VO₂. In Optics InfoBase. Optical Society of America. doi:10.1364/ICUSD.2012.IW4D.1.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-44C7-5 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-44C8-4

Genre: Conference Paper

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Creators:
Wolf, Martin¹, Author
Wall, Simon¹, Author
Foglia, Laura¹, Author
Appavoo, K., Author
Nag, J., Author
Haglund, R. F., Author
Stähler, J., Author

Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546

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Abstract: We show that the coherent phonon spectrum, probed by whitelight spectroscopy, can be a marker for photoinduced structural transitions. In VO₂, the lattice potential symmetry is completely changed on ultrafast timescales before ionic motion occurs.

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Language(s): eng - English

Dates: Published Online: 2012-03

Publication Status: Published online

Pages: 2

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Rev. Type: Peer

Identifiers: DOI: 10.1364/ICUSD.2012.IW4D.1

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Title: Research in Optical Sciences

Place of Event: Berlin, Germany

Start-/End Date: 2012-03-19 - 2012-03-21

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Title: Optics InfoBase

Source Genre: Proceedings

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Publ. Info: Optical Society of America

Pages: - Volume / Issue: - Sequence Number: IW4D.1 Start / End Page: - Identifier: ISBN: 978-1-55752-939-8