Quantum Materials Group

Design of smart quantum materials for quantum technologies: Electronic structure of novel superconductors and its relation with electronic properties. Symmetry of the superconducting order parametes. Search for new superconducting materials. Interface enhanced superconductivity.

 Alexander Kordyuk
 Alexander Plyushchay
 Volodymyr Bezguba
 Andriy Kuibarov
 Pavlo Khanenko

Cooperation:

• IFW Dresden, Germany
• HZDR, Germany
• Max Planck Institute for Solid State Research, Germany
• Stockholm University, AlbaNova University Center, Sweden

Selected publications:

• Electronic band structure of optimal superconductors: from cuprates to ferropnictides and back again - A. A. Kordyuk, Low Temp. Phys. 44, 477 (2018).
• Phase-Sensitive Evidence for the Sign-Reversal s+- Symmetry of the Order Parameter in an Iron-Pnictide Superconductor Using Nb/Ba(1-x)NaxFe2As2 Josephson Junctions - A. A. Kalenyuk, A. Pagliero, E. A. Borodianskyi, A. A. Kordyuk, V. M. Krasnov, Phys. Rev. Lett. 120, 067001 (2018).
• Iron-based superconductors: Magnetism, superconductivity, and electronic structure (Review Article) - A. A. Kordyuk, Low Temp. Phys. 38, 888-899 (2012).
• An ARPES view on the high-Tc problem: Phonons vs. spin-fluctuations (Review Article) - A. A. Kordyuk, et al., Eur. Phys. J. Special Topics 188, 153 (2010).
• (pi-pi) electronic order in iron arsenide superconductors - V. B. Zabolotnyy, et al., Nature 457, 569 (2009).