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SeeSuper SIGNED

Probing nanoscale and femtosecond fluctuations in high temperature superconductors

Total Cost €

EC-Contrib. €

Partnership

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SeeSuper project word cloud

Explore the words cloud of the SeeSuper project. It provides you a very rough idea of what is the project "SeeSuper" about.

amplitude prove condensed outstanding view class vibrations coupling interaction holography despite weak separation superconducting electron ray search superconductivity responsible thirty scattering phonon instead resolved difficult coherent obtain lattice combines transition nanoscale anharmonicity soft missing deadlock origins mechanism strategy fluctuations occurs proof seesuper one temperatures break probe materials optical unknown too bcs image edge demonstrated transient mediated influence cutting generating diffuse spin experimental femtosecond temperature physics origin ingredient revealing understand interactions spectroscopy linear spins hypothesis resonant dynamics time phonons guide techniques superconductors

Project "SeeSuper" data sheet

The following table provides information about the project.

Coordinator	FUNDACIO INSTITUT DE CIENCIES FOTONIQUES Organization address address: AVINGUDA CARL FRIEDRICH GAUSS 3 city: Castelldefels postcode: 8860 website: www.icfo.eu contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Spain [ES]
Total cost	1˙789˙165 €
EC max contribution	1˙789˙165 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2017-STG
Funding Scheme	ERC-STG
Starting year	2017
Duration (year-month-day)	from 2017-11-01 to 2022-10-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	FUNDACIO INSTITUT DE CIENCIES FOTONIQUES FUNDACIO INSTITUT DE CIENCIES FOTONIQUES Organization address address: AVINGUDA CARL FRIEDRICH GAUSS 3 city: Castelldefels postcode: 8860 website: www.icfo.eu contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	ES (Castelldefels)	coordinator	1˙789˙165.00

Map

Project objective

One of the major outstanding challenges in condensed matter physics is the origin of high temperature superconductivity. Low temperature BCS superconductivity is mediated by the electron-phonon interaction, but this interaction is believed to be too weak to explain high temperature superconductivity. Instead electron interactions are considered responsible, but experimental proof has been difficult to obtain. Despite over thirty years of research, the mechanism responsible for generating the superconducting state still remains unknown.

SeeSuper aims to break this deadlock by applying new experimental techniques to study the superconducting state. Our strategy is to probe high temperature superconductors through their nanoscale and femtosecond fluctuations. We will focus on three key parameters in superconductors: phonons, spins and nanoscale phase separation, with the aim of revealing the coupling mechanism.

Our approach combines transient optical spectroscopy and time-resolved diffuse X-ray scattering to measure the lattice response to large amplitude coherent vibrations, time-resolved non-linear optical spectroscopy to directly probe spin dynamics, and resonant soft X-ray holography to image dynamics on the nanoscale.

We will use these cutting edge techniques to prove our hypothesis, that lattice anharmonicity is the key missing ingredient to explain the origins of high temperature superconductivity. If demonstrated, the impact of such a result will lead to a step-change in our understanding of how superconductivity at high temperature occurs, help guide the search for materials with higher transition temperatures, and influence how we view and understand a much broader class of materials. Furthermore, the experimental techniques that we will develop can be applied to understand a range of materials and will, therefore, have an impact also on the broader field of condensed matter physics.

Publications

List of publications.
year	authors and title	journal	last update
2018	Simon Wall, Shan Yang, Luciana Vidas, Matthieu Chollet, James M. Glownia, Michael Kozina, Tetsuo Katayama, Thomas Henighan, Mason Jiang, Timothy A. Miller, David A. Reis, Lynn A. Boatner, Olivier Delaire, Mariano Trigo Ultrafast disordering of vanadium dimers in photoexcited VO 2 published pages: 572-576, ISSN: 0036-8075, DOI: 10.1126/science.aau3873	Science 362/6414	2019-06-06
2018	Luciana Vidas, Christian M. GÃ¼nther, Timothy A. Miller, Bastian Pfau, Daniel Perez-Salinas, ElÃas MartÃnez, Michael Schneider, Erik GÃ¼hrs, Pierluigi Gargiani, Manuel Valvidares, Robert E. Marvel, Kent A. Hallman, Richard F. Haglund, Stefan Eisebitt, Simon Wall Imaging Nanometer Phase Coexistence at Defects During the Insulatorâ€“Metal Phase Transformation in VO 2 Thin Films by Resonant Soft X-ray Holography published pages: 3449-3453, ISSN: 1530-6984, DOI: 10.1021/acs.nanolett.8b00458	Nano Letters 18/6	2019-06-06

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The information about "SEESUPER" are provided by the European Opendata Portal: CORDIS opendata.