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Using extreme magnetic field microscopy to visualize correlated electron materials

Total Cost €


EC-Contrib. €






Project "PNICTEYES" data sheet

The following table provides information about the project.


Organization address
city: MADRID
postcode: 28049

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˙704˙375 €
 EC max contribution 1˙704˙375 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-STG
 Funding Scheme ERC-STG
 Starting year 2016
 Duration (year-month-day) from 2016-03-01   to  2021-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSIDAD AUTONOMA DE MADRID ES (MADRID) coordinator 1˙704˙375.00


 Project objective

Strong electronic correlations often produce intertwined phases where multiple length scales coexist. These produce spatially varying electronic properties containing unique insight on the many-body effects that determine the emergence of novel collective behavior. Addressing the problem of electron correlations requires powerful microscopes probing electronic properties down to atomic scale. A major challenge in electron correlated materials is to understand the emergence of high critical temperature (HTc) superconductivity. Fe-based superconductivity offers ultra-pure materials easily tunable through relevant phases emerging from electron correlations (antiferromagnetism, nematicity and superconductivity), providing a tremendous opportunity to unveil the microscopic pairing mechanism behind HTc superconductivity. High magnetic fields are needed to disentangle the electronic correlations, because they enable comparison between normal and superconducting phases and unveil quantum critical behavior and vortex physics. Traditional research under very high magnetic fields uses macroscopic measurements of the spatially averaged magnetic and electronic properties. The goal of PNICTEYES project is to combine very high magnetic fields with scanning tunneling microscopy (STM) to visualize spatial electronic heterogeneity in Fe-based superconductors. The microscopes developed within this project will operate up to 22 T using superconducting coils in-house and above 30 T using resistive and hybrid magnets at international high magnetic field facilities. Implementing novel spectroscopic methods, such as Landau level spectroscopy, we will disentangle the electronic correlations behind the microscopic mechanism of HTc superconductivity in Fe-based superconductors. The success of this project will provide new insights in fundamentals of HTc superconductivity and first enable ultra-high magnetic field STM opening innovative opportunities in other fields as graphene or magnetism.


year authors and title journal last update
List of publications.
2016 Ismael García Serrano, Javier Sesé, Isabel Guillamón, Hermann Suderow, Sebastián Vieira, Manuel Ricardo Ibarra, José María De Teresa
Thickness-modulated tungsten–carbon superconducting nanostructures grown by focused ion beam induced deposition for vortex pinning up to high magnetic fields
published pages: 1698-1708, ISSN: 2190-4286, DOI: 10.3762/bjnano.7.162
Beilstein Journal of Nanotechnology 7 2019-06-19
2017 Kyuil Cho, A. Fente, S. Teknowijoyo, M. A. Tanatar, K. R. Joshi, N. M. Nusran, T. Kong, W. R. Meier, U. Kaluarachchi, I. Guillamón, H. Suderow, S. L. Bud\'ko, P. C. Canfield, R. Prozorov
Nodeless multiband superconductivity in stoichiometric single-crystalline CaKFe 4 As 4
published pages: 100502, ISSN: 2469-9950, DOI: 10.1103/PhysRevB.95.100502
Physical Review B 95/10 2019-06-19
2017 Edwin Herrera, José Benito-Llorens, Udhara S. Kaluarachchi, Sergey L. Bud\'ko, Paul C. Canfield, Isabel Guillamón, Hermann Suderow
Vortex creep at very low temperatures in single crystals of the extreme type-II superconductor Rh 9 In 4 S 4
published pages: 134505, ISSN: 2469-9950, DOI: 10.1103/PhysRevB.95.134505
Physical Review B 95/13 2019-06-19
2016 A. Fente, E. Herrera, I. Guillamón, H. Suderow, S. Mañas-Valero, M. Galbiati, E. Coronado, V. G. Kogan
Field dependence of the vortex core size probed by scanning tunneling microscopy
published pages: 14517, ISSN: 2469-9950, DOI: 10.1103/PhysRevB.94.014517
Physical Review B 94/1 2019-06-19
2019 Rafael Álvarez Montoya, Sara Delgado, José Castilla, José Navarrete, Nuria Díaz Contreras, Juan Ramón Marijuan, Víctor Barrena, Isabel Guillamón, Hermann Suderow
Methods to simplify cooling of liquid Helium cryostats
published pages: e00058, ISSN: 2468-0672, DOI: 10.1016/j.ohx.2019.e00058
HardwareX 5 2019-05-27
2019 Alexandre Correa, Federico Mompeán, Isabel Guillamón, Edwin Herrera, Mar García-Hernández, Takashi Yamamoto, Takanari Kashiwagi, Kazuo Kadowaki, Alexander I. Buzdin, Hermann Suderow, Carmen Munuera
Attractive interaction between superconducting vortices in tilted magnetic fields
published pages: , ISSN: 2399-3650, DOI: 10.1038/s42005-019-0132-x
Communications Physics 2/1 2019-05-27
2018 J. A. Galvis, E. Herrera, C. Berthod, S. Vieira, I. Guillamón, H. Suderow
Tilted vortex cores and superconducting gap anisotropy in 2H-NbSe2
published pages: , ISSN: 2399-3650, DOI: 10.1038/s42005-018-0028-1
Communications Physics 1/1 2019-05-07
2018 Antón Fente, William R. Meier, Tai Kong, Vladimir G. Kogan, Sergey L. Bud\'ko, Paul C. Canfield, Isabel Guillamón, Hermann Suderow
Influence of multiband sign-changing superconductivity on vortex cores and vortex pinning in stoichiometric high- T c   CaKFe 4 As 4
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.134501
Physical Review B 97/13 2019-05-07
2018 Deung-Jang Choi, Carlos García Fernández, Edwin Herrera, Carmen Rubio-Verdú, Miguel M. Ugeda, Isabel Guillamón, Hermann Suderow, José Ignacio Pascual, Nicolás Lorente
Influence of Magnetic Ordering between Cr Adatoms on the Yu-Shiba-Rusinov States of the β − Bi 2 Pd Superconductor
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.167001
Physical Review Letters 120/16 2019-05-07
2018 Antón Fente, Alexandre Correa-Orellana, Anna E. Böhmer, Andreas Kreyssig, S. Ran, Sergey L. Bud\'ko, Paul C. Canfield, Federico J. Mompean, Mar García-Hernández, Carmen Munuera, Isabel Guillamón, Hermann Suderow
Direct visualization of phase separation between superconducting and nematic domains in Co-doped CaFe 2 As 2 close to a first-order phase transition
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.014505
Physical Review B 97/1 2019-05-07

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