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UNCONVENTIONAL SUPERCONDUCTIVITY FROM A MOTT INSULATING PARENT MATERIAL

Objective

"The mystery of unconventional superconductivity is one that is yet to be solved after decades of research. Better superconductors will have a crucial role in improved energy efficient applications such as power storage and transmission. While the highest temperature superconductors to date are the copper oxide family of antiferromagnetic Mott insulators, the origin of unconventional superconductivity in these materials remains mysterious. Furthermore, there are strikingly few other examples where unconventional superconductivity emerges from Mott insulating materials. In this project we adopt a two-pronged approach to find unconventional superconductivity and potentially novel quantum spin liquid phases in new classes of Mott insulating materials, and to understand the nature of the normal state out of which superconductivity develops in the family of copper oxide superconductors. In the first part of the project, multiple spin-orbit coupled Mott insulating materials will be tuned to induce superconductivity and / or an unconventional quantum spin liquid phase, and a roadmap relating materials properties to emergent unconventional superconductivity developed. In the second part of the project, we will aim to better understand the normal state out of which superconductivity emerges in cuprate superconductors by a study of the nature of Fermi surface evolution from a the small Fermi surface in the underdoped regime to a large Fermi surface in the overdoped regime, potentially via a quantum critical point underlying the superconducting dome. Our findings are anticipated to have important implications for the creation of newer and better superconductors."
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Principal Investigator

Suchitra Esther Sebastian (Dr.)

Host institution

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

Address

Trinity Lane The Old Schools
Cb2 1tn Cambridge

United Kingdom

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 1 703 253

Principal Investigator

Suchitra Esther Sebastian (Dr.)

Administrative Contact

Renata Schaeffer (Ms.)

Beneficiaries (1)

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THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

United Kingdom

EU Contribution

€ 1 703 253

Project information

Grant agreement ID: 337425

Status

Closed project

  • Start date

    1 August 2013

  • End date

    31 July 2018

Funded under:

FP7-IDEAS-ERC

  • Overall budget:

    € 1 703 253

  • EU contribution

    € 1 703 253

Hosted by:

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

United Kingdom