From Kondo Lattices to Kondo Superlattices

Abstract

Realizing new classes of ground states in strongly correlated electron systems continues to be at the forefront of condensed matter physics. Heavy-fermion materials, whose electronic structure is essentially three-dimensional, are one of the most suitable systems for obtaining novel electronic states because they demonstrate many fascinating properties. Recently, a state-of-the-art MBE technique has been developed to reduce the dimensionality of the heavy electrons by fabricating heavy fermion superlattices, which can produce new electronic states present in two-dimensional (2D) heavy fermion system. In superlattices of antiferromagnetic heavy fermion CeIn3 and conventional metal LaIn3, the magnetic order is suppressed by reducing the thickness of the CeIn3 layers. The 2D confinement of heavy fermion also leads to the enhancement of the effective mass and the deviation from the Fermi liquid properties, which are associated with the dimensional tuning of quantum criticality. In superconducting superlattices of heavy fermion superconductor CeCoIn5 and nonmagnetic metal YbCoIn5, superconductivity is realized even at one-unit-cell-thick layer of CeCoIn5. The thickness reduction of the CeCoIn5 layers drastically changes the temperature and angular dependencies of the upper critical field. This result would be attributed to a suppression of the Pauli pair-breaking effect through the local inversion symmetry breaking (ISB) at the interfaces of CeCoIn5 block layers. The importance of the ISB in this system has also been supported by site-selective nuclear magnetic resonance spectroscopy. In addition, recent experiment of CeCoIn5/YbCoIn5 superlattices have shown that the degree of the ISB are controllable, which offers the prospect of achieving even more fascinating superconducting states. These Kondo superlattices, thus, pave the way for exploring unusual metallic and superconducting states.

An invited review article for Reports on Progress in Physics, 23 pages, 13 figures, and 1 table

References in corpus (32)

• Magnetic effects at the interface between nonmagnetic oxides
• Quantum Criticality in Heavy Fermion Metals
• Topological Phases of Noncentrosymmetric Superconductors: Edge States, Majorana Fermions, and the Non-Abelian Statistics
• Superconductivity on the border of weak itinerant ferromagnetism in UCoGe
• Fulde-Ferrell-Larkin-Ovchinnikov State in Heavy Fermion Superconductors
• Spin resonance in the d-wave superconductor CeCoIn5
• Topological spin-current in non-centrosymmetric superconductors
• Electron Correlation and Pairing States in Superconductors without Inversion Symmetry
• Reversible Tuning of the Heavy Fermion Ground State in CeCoIn${}_5$
• Heavy Fermion Superconductivity in the Quadrupole Ordered State of PrV2Al20
• Anomalous Transport Phenomena in Fermi Liquids with Strong Magnetic Fluctuations
• Fulde-Ferrell-Larkin-Ovchinnikov state in a perpendicular field of quasi two-dimensional CeCoIn5
• Andreev Reflection in Heavy-Fermion Superconductors and Order Parameter Symmetry in CeCoIn_5
• Majorana Fermions in Nodal Superconductors: Gapless Topological Phase
• Superconductivity and Magnetism in Non-centrosymmetric System: Application to CePt_3Si
• Anomalous Upper Critical Field in CeCoIn_5/YbCoIn_5 Superlattices with a Rashba-type Heavy Fermion Interface
• Controllable Rashba spin-orbit interaction in artificially engineered superlattices involving the heavy-fermion superconductor CeCoIn5
• Pressure Study of Quantum Criticality in CeCoIn5
• Towards the identification of a quantum critical line in the (p, B) phase diagram of CeCoIn5
• Thermoelectric response near a quantum critical point: the case of CeCoIn5
• Topological Crystalline Superconductivity in Locally Non-centrosymmetric Multilayer Superconductors
• Switching of magnetic domains reveals evidence for spatially inhomogeneous superconductivity
• Electronic Duality in Strongly Correlated Matter
• Field-induced quantum critical route to a Fermi liquid in high-temperature superconductors
• Effect of charge modulation in (LaVO3)m(SrVO3)n superlattices on the insulator-metal transition
• Anomalous superfluid density in quantum critical superconductors
• Anomalous Spin Response in Non-centrosymmetric Compounds
• Berezinskii-Kosterlitz-Thouless Transition in Heavy Fermion Superlattices
• The interface between heavy fermions and normal electrons investigated by spatially-resolved nuclear magnetic resonance
• Terahertz Conductivity of the Heavy-Fermion State in CeCoIn5
• Anomalous Paramagnetic Magnetization in Mixed State of CeCoIn${}_5$ single crystals
• Charge Carrier Dynamics of the Heavy Fermion Metal CeCoIn${}_5$ Probed by THz Spectroscopy

Cited by in corpus (32)

• Field-induced transition from even to odd parity superconductivity in CeRh${}_2$As${}_2$
• Superconductivity and Local Inversion-Symmetry Breaking
• Topological crystalline superconductivity in locally noncentrosymmetric CeRh${}_2$As${}_2$
• Ising superconductors: Interplay of magnetic field, triplet channels, and disorder
• s+if pairing in Ising superconductors
• Even-odd parity transition in strongly correlated locally noncentrosymmetric superconductors : An application to CeRh${}_2$As${}_2$
• Fate of Majorana modes in ${\mathrm{CeCoIn}}_5$/${\mathrm{YbCoIn}}_5$ superlattices -a test bed for reduction of topological classification-
• Emergent exotic superconductivity in artificially-engineered tricolor Kondo superlattices
• Emergent Coherent Lattice Behavior in Kondo Nanosystems
• Orbitally limited pair-density wave phase of multilayer superconductors
• In Situ STM Observation of Nonmagnetic Impurity Effect in MBE-grown CeCoIn${}_5$ Films
• Critical magnetic field of ultrathin superconducting films and interfaces
• Probing the phase transition to a coherent 2D Kondo lattice
• Strongly parity-mixed superconductivity in Rashba-Hubbard model
• Giant surface Edelstein effect in $d$-wave superconductors
• Controlling unconventional superconductivity in artificially engineered $f$-electron Kondo superlattices
• Topological d-wave superconductivity in two dimensions
• Tuning the pairing interaction in a $d$-wave superconductor by paramagnons injected through interfaces
• Spin texture in a bilayer high-temperature cuprate superconductor
• Direct Evidence for the Existence of Heavy Quasiparticles in the Magnetically Ordered Phase of CeRhIn${}_5$
• Magnetic parity violation and parity-time-reversal-symmetric magnets
• Evidence for a finite-momentum Cooper pair in tricolor $d$-wave superconducting superlattices
• Larkin-Ovchinnikov state of superconducting Weyl metals: Fundamental differences between pairings restricted and extended in the $\text{k}$-space
• Structural and electrical characterization of the monolayer Kondo-lattice compound CePt${}_6$/Pt(111)
• Interaction-driven first-order and higher-order topological superconductivity
• Photoemission signature of momentum-dependent hybridization in CeCoIn${}_5$
• Magnetoelectric Response in Electric Octupole State: Possible Hidden Order in Cuprate Superconductors
• Modification of magnetic fluctuations by interfacial interactions in artificially engineered heavy-fermion superlattices
• Coupling between heavy fermion superconductor CeCoIn${}_5$ and antiferromagnetic metal CeIn${}_3$ through the atomic interface
• Exotic heavy fermion superconductivity in atomically thin CeCoIn${}_5$ films
• Factors affecting the topological Hall effect in strongly correlated layered magnets: spin of the magnetic atoms, polar and azimuthal angle subtended by the spin texture
• Magnetism in f electron superlattices