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Superconductivity and correlated electrons

Iron based high temperature superconductors

  • Phonon dynamics in novel self-doped superconductor Ba2Ti2Fe2As4O studied by inelastic neutron scattering
  • Coexistence of superconductivity and ferromagnetism in P-doped EuFe2As2
  • Field-induced spin reorientation and giant spin-lattice coupling in EuFe2As2
  • Magnetic structure of EuFe2As2 determined by single-crystal neutron diffraction
  • Phase diagram of Eu(Fe1-xCox)2As2 single crystals
  • Hydrostatic pressure effects on the static magnetism in Eu(Fe0.925Co0.075)2As2
  • Magnetic polarization of Ir in underdoped non-superconducting Eu(Fe0.94Ir0.06)2As2
  • Inelastic neutron scattering study of crystal field excitations of Nd3+ in NdFeAsO
  • Magnetic anisotropic energy gap and low-energy spin wave excitation in the antiferromagnetic block phase of K2Fe4Se5
  • Magnetization distribution and orbital moment in the nonsuperconducting chalcogenide compound K2Fe4Se5

Frustrated and topological magnets

Frustrated and topological quantum materials have become a focus of intense research owing to the remarkable possibilities to realize emergent quasiparticles that do not correspond to any theoretically known elementary particles, such as magnetic monopoles and Majorana fermions. Realization and eventual manipulation of those exotic quasiparticles in condensed matter can lead to potential applications for future information technology such as decoherence-free quantum computing architecture.

  • Frustrated Magnetic Systems
  • A Frustrated Honeycomb Magnet
  • Coexistence between long-range magnetic order and spin fluctuations in intermetallic EuCu2(Si,Ge)2
  • Coexistence of itinerant and local moment magnetism
  • Spiral spin-liquid in frustrated A-site spinels
  • Higgs transition in quantum spin ice
  • Multiferroicity from Complex Spin Structures
  • Interplay of Different Electronic Degrees of Freedom in Correlated Oxides
  • Multiferroicity from Charge Order