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Visualizing melting magnetic order and spin fluctuations in the cuprates

Total Cost €


EC-Contrib. €






Project "SpinMelt" data sheet

The following table provides information about the project.


Organization address
address: RAPENBURG 70
city: LEIDEN
postcode: 2311 EZ

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 Netherlands [NL]
 Total cost 1˙847˙500 €
 EC max contribution 1˙847˙500 € (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 2017-10-01   to  2022-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITEIT LEIDEN NL (LEIDEN) coordinator 1˙847˙500.00


 Project objective

The aim of this proposal is to bring new insight and understanding into the remarkable phase diagram of the cuprates, representing the larger family of unconventional superconductors, by visualizing the process of melting magnetic order and the resulting spin fluctuations (magnons) on the atomic scale.

The cuprate phase diagram not only represents many of the long-standing, core problems in physics, but also is remarkably similar to all other families of unconventional superconductors. It is my opinion that a main driving force behind the exotic phases are antiferromagnetic spin fluctuations that might stem from the melting process, but little is known about them and their relation to the exotic phases.

With this proposal, I will unveil these key processes on the atomic scale for the first time as existing techniques only probe sample-averaged parameters. Using my innovative, nanofabricated ‘smart tips’ concept, I will develop radically novel spin-sensitive, GHz-compatible scanning tunneling microscopy (STM) techniques to visualize the melting (and fluctuating) order. I will then develop electron spin resonance - STM, to measure and image the spin fluctuations, as well as their relation to pseudogap, charge order, and superconductivity.

I will capitalize on my track record in the field of quantum materials (such as having discovered nematic order in iron-based superconductors) and my unique background in circuit quantum electrodynamics and STM to build unprecedented instrumentation that will enable a new, holistic look at the mystery of unconventional superconductors.


year authors and title journal last update
List of publications.
2018 K. M. Bastiaans, T. Benschop, D. Chatzopoulos, D. Cho, Q. Dong, Y. Jin, M. P. Allan
Amplifier for scanning tunneling microscopy at MHz frequencies
published pages: 93709, ISSN: 0034-6748, DOI: 10.1063/1.5043267
Review of Scientific Instruments 89/9 2019-06-07
2018 K. M. Bastiaans, D. Cho, T. Benschop, I. Battisti, Y. Huang, M. S. Golden, Q. Dong, Y. Jin, J. Zaanen, M. P. Allan
Charge trapping and super-Poissonian noise centres in a cuprate superconductor
published pages: 1183-1187, ISSN: 1745-2473, DOI: 10.1038/s41567-018-0300-z
Nature Physics 14/12 2019-06-07

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

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