Metallic Quantum Ferromagnets

Abstract

This review gives an overview of the quantum phase transition (QPT) problem in metallic ferromagnets, discussing both experimental and theoretical aspects. These QPTs can be classified with respect to the presence and strength of quenched disorder: Clean systems generically show a discontinuous, or first-order, QPT from the ferromagnetic state to a paramagnetic one as a function of some control parameter, as predicted by theory. Disordered systems are much more complicated, depending on the disorder strength and the distance from the QPT. In many disordered materials the QPT is continuous, or second order, and Griffiths-phase effects coexist with QPT singularities near the transition. In other systems the transition from the ferromagnetic state at low temperatures is to a different type of long-range order, such as an antiferromagnetic or a spin-density-wave state. In still other materials a transition to a state with glass-like spin dynamics is suspected. The review provides a comprehensive discussion of the current understanding of these various transitions, and of the relation between experimental and theoretical developments.

90 pages, 43 figures, review article

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• Avoided ferromagnetic quantum critical point in CeRuPO
• Ferromagnetism in UGe2 : A microscopic model
• Quantum phase transition in the heavy-fermion compound YbIr${}_2$Si${}_2$
• Ferromagnetism and superconductivity in P-doped CeFeAsO
• Non-analytic behavior of 2D itinerant ferromagnets
• Suppression of ferromagnetism in CeSi_1.81 under temperature and pressure
• Magnetic hard-axis ordering near ferromagnetic quantum criticality
• Ferromagnetic quantum critical point in UCo1-xFexGe
• Itinerant ferromagnetism in a Fermi gas with contact interaction: Magnetic properties in a dilute Hubbard model
• Ferromagnetic Quantum Critical Point in Heavy-Fermion Iron Oxypnictide Ce(Ru${}_{1-x}$Fe${}_x$)PO
• Paramagnetic to ferromagnetic phase transition in lightly Fe-doped Cr${}_2$B
• Pressure Induced Quantum Phase Transitions
• The suppression of hidden order and onset of ferromagnetism in URu2Si2 via Re substitution
• Doping driven magnetic instabilities and quantum criticality of NbFe${}_2$
• Signatures of a quantum Griffiths phase in a d-metal alloy close to its ferromagnetic quantum critical point
• High Pressure studies of the magnetic phase transition in MnSi: revisited
• Quantum Critical Behavior of the Cluster Glass Phase
• Pre-asymptotic critical behavior and effective exponents in disordered metallic quantum ferromagnets
• Magnetic anisotropy of YbNi4P2
• Third law of thermodynamics and the shape of the phase diagram for systems with a first-order quantum phase transition
• Novel critical exponent of magnetization curves near the ferromagnetic quantum phase transitions of Sr1-xAxRuO3 (A = Ca, La0.5Na0.5, and La)
• Ferromagnetic Quantum Critical Point Induced by Tuning the Magnetic Dimensionality of the Heavy-Fermion Iron Oxypnictide Ce(Ru${}_{1-x}$Fe${}_x$)PO
• Pressure-induced ferromagnetism with strong Ising-type anisotropy in YbCu${}_2$Si${}_2$
• Thermal expansion and Grueneisen parameter in quantum Griffiths phases
• Ferromagnetic Critical Behavior in U(Co${}_{1-x}$Fe${}_x$)Al ($0\le x\le 0.02$) Studied by ${}^{59}$Co Nuclear Quadrupole Resonance Measurement
• Effect of pressure and Ir substitution in YbRh2Si2
• Local defect in a magnet with long-range interactions
• Probing the magnetic phases in the Ni-V alloy close to the disordered ferromagnetic quantum critical point with muSR
• The influence of magnetic sublattice dilution on magnetic order in CeNiGe3 and UNiSi2
• Phase diagram of CeRuPO under pressure investigated by ${}^{31}$P-NMR - Comparison between CeRuPO under pressure and the Ce(Ru${}_{1-x}$Fe${}_x$)PO system -

Cited by in corpus (194)

• Spontaneously polarized half-gapped superconductivity
• Strange metal behavior in a pure ferromagnetic Kondo lattice
• Planckian Dissipation in Metals
• Metamagnetic Transition in Heavy Fermion Superconductor UTe2
• Frustration and quantum criticality
• Exploring the ferromagnetic behaviour of a repulsive Fermi gas via spin dynamics
• Disorder in quantum many-body systems
• Enhanced spin triplet superconductivity due to Kondo destabilization
• Ferromagnetic Quantum Critical Point Avoided by the Appearance of Another Magnetic Phase in LaCrGe${}_3$ under Pressure
• Optical response of correlated electron systems
• Tricritical wings and modulated magnetic phases in LaCrGe${}_3$ under pressure
• Observation of Quantum Griffiths Singularity and Ferromagnetism at Superconducting LaAlO3/SrTiO3(110) Interface
• Competing orders and topology in the global phase diagram of pyrochlore iridates
• Quantum Tricritical Points in NbFe${}_2$
• The Effect of Nickel Substitution on Magnetism in the Layered van der Waals Ferromagnet Fe${}_3$GeTe${}_2$
• Quantum Griffiths phase inside the ferromagnetic phase of Ni${}_{1-x}$V${}_x$
• Model for Ferromagnetic Quantum Critical Point in a 1D Kondo Lattice
• Anisotropic c-f hybridization in the ferromagnetic quantum critical metal CeRh${}_6$Ge${}_4$
• Ferromagnetic Quantum Critical Point in Non-Centrosymmetric Systems
• Quantum Ising model on the frustrated square lattice
• Semiclassical dynamics of spin density waves
• Quantum criticality in the two-dimensional periodic Anderson model
• Formation of short-range magnetic order and avoided ferromagnetic quantum criticality in pressurized LaCrGe${}_3$
• Characteristic Timescales of the Local Moment Dynamics in Hund's-metals
• Crystalline electric field of Ce in trigonal symmetry: CeIr3Ge7 as a model case
• Indication of Ferromagnetic Quantum Critical Point in Kondo Lattice CeRh${}_6$Ge${}_4$
• Quantum-critical scale invariance in a transition metal alloy
• First-order magnetic phase-transition of mobile electrons in monolayer MoS${}_2$
• Quantum triple point and quantum critical endpoints in metallic magnets
• Kondo-lattice ferromagnets and their peculiar order along the magnetically hard axis
• Unified description of dynamics of a repulsive two-component Fermi gas
• Emergence of a control parameter for the antiferromagnetic quantum critical metal
• Quantum tricritical point in the temperature-pressure-magnetic field phase diagram of CeTiGe${}_3$
• Cascade of magnetic field induced Lifshitz transitions in the ferromagnetic Kondo lattice material YbNi4P2
• The dynamical vertex approximation for many-electron systems with spontaneously broken SU(2)-symmetry
• Phase transitions in chiral magnets from Monte Carlo simulations
• Probing Ferromagnetic Order in Few-Fermion Correlated Spin-Flip Dynamics
• Quantum noise spectroscopy of dynamical critical phenomena
• Wing structure in the phase diagram of the Ising Ferromagnet URhGe close to its tricritical point investigated by angle-resolved magnetization measurements
• Monte Carlo study of the pseudogap and superconductivity emerging from quantum magnetic fluctuations
• Evidence of a structural quantum critical point in (Ca${}_x$Sr${}_{1-x}$)${}_3$Rh${}_4$Sn${}_{13}$ from a lattice dynamics study
• Localized 4f-electrons in the quantum critical heavy fermion ferromagnet CeRh${}_6$Ge${}_4$
• Absence of superconducting dome at the charge-density-wave quantum phase transition in 2H-NbSe2
• Use of Cernox thermometers in AC specific heat measurements under pressure
• Spin-density fluctuations and the fluctuation-dissipation theorem in 3d ferromagnetic metals
• Unconventional Hund Metal in a Weak Itinerant Ferromagnet
• Emergence of mesoscale quantum phase transitions in a ferromagnet
• Magnetic order and crystalline electric field excitations of the quantum critical heavy fermion ferromagnet CeRh${}_6$Ge${}_4$
• Quantum critical point in the itinerant ferromagnet Ni${}_{1-x}$Rh${}_x$
• Mechanism for transitions between ferromagnetic and antiferromagnetic orders in $d$-electron metallic magnets
• Switching of magnetic ground states across the UIr1-xRhxGe alloy system
• Critical behavior of magnetization in URhAl:Quasi-two-dimensional Ising system with long-range interactions
• Evolution from Ferromagnetism to Antiferromagnetism in Yb(Rh1-xCox)2Si2
• Modeling magnetic evolution and exchange hardening in disordered magnets: The example of Mn${}_{1-x}$Fe${}_x$Ru${}_2$Sn Heusler alloys
• Quantum critical scaling in the disordered itinerant ferromagnet UCo${}_{1-x}$Fe${}_x$Ge
• Multiband Quantum Criticality of Polar Metals
• Quantum Annealed Criticality
• A unified theory of ferromagnetic quantum phase transitions in heavy fermion metals
• Ferromagnetic Quantum Critical Point in CePd${}_2$P${}_2$ with Pd $\to$ Ni Substitution
• Failed excitonic quantum phase transition in Ta${}_2$Ni(Se${}_{1-x}$S${}_x$)${}_5$
• Magnetic properties of the itinerant ferromagnet LaCrGe3 under pressure studied by 139La NMR
• Avoided ferromagnetic quantum critical point in pressurized La${}_5$Co${}_2$Ge${}_3$
• A theory of criticality for quantum ferroelectric metals
• Quantum Annealed Criticality: A Scaling Description
• Instability of the ferromagnetic quantum critical point in strongly interacting 2D and 3D electron gases with arbitrary spin-orbit splitting
• Strong correlation between ferromagnetic superconductivity and pressure-enhanced ferromagnetic fluctuations in UGe${}_2$
• Quantum ferromagnet in the proximity of the tricritical point
• Probing the quantum phase transition in Mott insulator BaCoS_2 tuned by pressure and Ni-substitution
• Why rare-earth ferromagnets are so rare: insights from the p-wave Kondo model
• Weak Coupling Theory of Magic-Angle Twisted Bilayer Graphene
• Strain-tunable metamagnetic critical endpoint in Mott insulating rare-earth titanates
• Spin-triplet superconductivity in the paramagnetic UCoGe under pressure studied by ${}^{59}$Co NMR
• Enhancement of superconductivity by pressure-induced critical ferromagnetic fluctuations in UCoGe
• Ferromagnetic ordering along the hard axis in the Kondo lattice YbIr3Ge7
• Ferromagnetic transition in a one-dimensional spin-orbit-coupled metal and its mapping to a critical point in smectic liquid crystals
• Unconventional transport properties of an itinerant ferromagnet: EuTi${}_{1-x}$Nb${}_x$O${}_3$ ($x$=0.10$-$0.20)
• Constraints on the merging of the transition lines at the tricritical point in a wing-structure phase diagram
• Exceedingly Small Moment Itinerant Ferromagnetism of Single Crystalline La${}_5$Co${}_2$Ge${}_3$
• Microscopic mechanism for the unusual antiferromagnetic order and the pressure-induced transition to ferromagnetism in USb${}_2$
• Weak itinerant magnetic phases of La2Ni7
• A quantum critical line bounds the high field metamagnetic transition surface in UTe${}_2$
• Origin of the non-Fermi-liquid behavior in CeRh2As2
• Quantum Supercritical Regime with Universal Magnetocaloric Scaling in Ising Magnets
• Relativistic Mott transitions and finite-temperature effects of quantum criticality in Dirac semimetals
• Strain-tuned quantum criticality in electronic Potts-nematic systems
• Quasiparticle characteristics of the weakly ferromagnetic Hund's metal MnSi
• Ultra-small moment incommensurate spin density wave order masking a ferromagnetic quantum critical point in NbFe${}_2$
• Novel critical behavior of magnetization in URhSi:Similarities to uranium ferromagnetic superconductors UGe${}_2$ and URhGe
• Effect of Pressure on Magnetism of UIrGe
• A Heavy-Fermion Zn-deficient CaBe2Ge2-Type Phase with Rare Ce-based Ferromagnetism and Large Magnetoresistance
• Interplay of superconductivity and localization near a 2D ferromagnetic quantum critical point
• Limits to magnetic quantum criticality from nuclear spins
• Quantifying the U $5f$ covalence and degree of localization in U intermetallics
• Strength and scales of itinerant spin fluctuations in 3d paramagnetic metals
• Continuous ferromagnetic quantum phase transition on an anisotropic Kondo lattice
• Truncated mass divergence in a Mott metal
• Collisional dynamics of polaronic clouds immersed in a Fermi sea
• Probing quantum criticality in ferromagnetic CeRh6Ge4
• Zero-point quantum swing of magnetic couples
• Interwoven atypical quantum states in CeLiBi${}_2$
• Magnetic field-induced softening of spin waves and hard-axis order in Kondo-lattice ferromagnet CeAgSb${}_2$
• Suppression of ferromagnetism governed by a critical lattice parameter in CeTiGe$\_3$ with hydrostatic pressure or V substitution
• Suppression of ferromagnetism and influence of disorder in silicon-substituted CeRh6Ge4
• Many-body molecule formation at a domain wall in a one-dimensional strongly interacting ultracold Fermi gas
• Fermi-surface reconstruction at the metamagnetic high-field transition in uranium mononitride
• Nonzero temperature dynamics of a repulsive two-component Fermi gas
• Quantum phase transitions and multicriticality in Ta(Fe1-xVx)2
• Soft modes in Fermi liquids at arbitrary temperatures
• Gradient terms in quantum-critical theories of itinerant fermions
• Fluctuating Quantum Kinetic Theory
• Monte Carlo modeling the phase diagram of magnets with the Dzyaloshinskii - Moriya interaction
• Soft Modes and Nonanalyticities in a Clean Dirac Metal
• Probing critical spin fluctuations with a composite magnetoelectric method: A case study on a Kitaev spin liquid candidate Na${}_3$Co${}_2$SbO${}_6$
• Pressure induced multicriticality and electronic instability in quasi-kagome ferromagnet URhSn
• Effectof biquadratic exchange on the phase diagram of a spin-1 transverse XY modelwith single-ion anisotropy
• Structural and magnetic properties of CeZnAl${}_3$ single crystals
• Avoided ferromagnetic quantum critical point: Antiferromagnetic ground state in substituted CeFePO
• Deficiency of the scaling collapse as an indicator of a superconductor-insulator quantum phase transition
• MnSi-nanostructures obtained from thin films: magnetotransport and Hall effect
• Physical properties of (Mn,Co)Si
• Collapse of Kondo state and ferromagnetic quantum phase transition in YbFe${}_2$Zn${}_{20}$
• Theory of Fractionally-magnetized Quantum Ferromagnet
• Ferromagnetic quantum critical point in a locally noncentrosymmetric and nonsymmorphic Kondo metal
• Frustration-induced quantum criticality in Ni-doped CePdAl as revealed by the $\mu$SR technique
• Experimental progress in Eu(Al,Ga)${}_4$ topological antiferromagnets
• Neutron Depolarization due to Ferromagnetism and Spin Freezing in CePd${}_{1-x}$Rh${}_x$
• Anomalous quantum-critical spin dynamics in YFe2Al10
• Generic non-Fermi-liquid behavior of the resistivity in magnets with ferromagnetic, helical, or skyrmionic order
• Muon spin rotation and relaxation study on Nb${}_{1-y}$Fe${}_{2+y}$
• Beyond universality in repulsive SU(N) Fermi gases
• Pressure-induced suppression of ferromagnetism in the itinerant ferromagnet LaCrSb${}_3$
• Ferromagnetic Negative Charge-Transfer Insulator: from Theoretical Proposal to Material Realization
• First-principles perspective on magnetic second sound
• Emergence of Elastic Softening Featuring Ultra-Slow Dynamics Around Magnetic Critical Endpoint in UCoAl
• Evolution of short-range magnetic correlations in ferromagnetic Ni-V alloys
• Magnetic and electronic phases of U${}_2$Rh${}_3$Si${}_5$
• Competing magnetic correlations across the ferromagnetic quantum critical point in the Kondo system CeTi${}_{1-x}$V${}_x$Ge${}_3$: ${}^{51}$V NMR as a local probe
• Evidence of random spin-singlet state in a three-dimensional quantum spin liquid candidate Sr${}_3$CuNb${}_2$O${}_9$
• Field Induced Modulated State in the Ferromagnet PrPtAl
• Monte Carlo simulations of the disordered three-color quantum Ashkin-Teller chain
• Superconductivity at the Pressure-Induced Ferromagnetic Critical Region in UCoGe
• Quantum-critical properties of the one- and two-dimensional random transverse-field Ising model from large-scale quantum Monte Carlo simulations
• Magnetic Quantum Phase Transitions in a Clean Dirac Metal
• Quantum phase transition and criticality in quasi one-dimensional spinless Dirac fermions
• Pressure-induced suppression of ferromagnetism in CePd${}_2$P${}_2$
• Quantum Ferromagnetic Transition in Clean Dirac Metals
• Non-Perturbative Feats in the Physics of Correlated Antiferromagnets
• Tuning the structural and antiferromagnetic phase transitions in UCr${}_2$Si${}_2$: hydrostatic pressure and chemical substitution
• Design and Predict Tetragonal van der Waals Layered Quantum Materials of MPd${}_5$I${}_2$ (M=Ga, In and 3$d$ Transition Metals)
• Enhancement of the Curie temperature in single crystalline ferromagnetic LaCrGe${}_3$ by electron irradiation-induced disorder
• Disordered 2D ferromagnetism at the surface of FeSi
• From localized 4f electrons to anisotropic exchange interactions in ferromagnetic CeRh6Ge4
• Phonon-induced modification of quantum criticality
• Magnetic field induced antiferromagnetic tricritical points in Ce${}_2$Sb and Ce${}_2$Bi
• Scaling Theory of a Compressibility-Driven Metal-Insulator Transition in a Two-Dimensional Electron Fluid
• Inverse melting and intertwined orders in PrCuSb${}_2$
• Magnon excitations and quantum critical behavior of the ferromagnet U${}_4$Ru${}_7$Ge${}_6$
• Controlling Collective Phenomena Via the Quantum State of Interaction-Mediators: Changing the Criticality of Photon-Mediated Superconductivity Via Fock States of Light
• Non-Fermi-liquid behavior in a ferromagnetic heavy fermion system CeTi${}_{1-x}$V${}_x$Ge${}_3$
• Magnetic properties of binary alloys Ni1-xMox and Ni1-yCuy close to critical concentrations
• Two-step phase transitions in Fe(Se,Te)
• Magnon-induced long-range correlations and their neutron-scattering signature in quantum magnets
• Anomalous Transport Behavior in Quantum Magnets
• Anisotropic Zeeman Splitting in YbNi4P2
• Carrier Tuning of Stoner Ferromagnetism in ThCr${}_2$Si${}_2$-Structure Cobalt Arsenides
• Importance of anisotropic interactions for hard-axis/plane ordering of Ce-based ferromagnets
• Hyperscaling analysis of a disorder-induced ferromagnetic quantum critical point in Ni${}_{1-x}$Rh${}_x$ with $x=0.375$
• Magnetic fluctuations in the itinerant ferromagnet LaCrGe3 studied by 139La NMR
• Spatially modulated, orbital selective ferromagnetism in La${}_5$Co${}_2$Ge${}_3$
• Electron-beam Floating-zone Refined UCoGe
• Electronic structure dimensionality of the quantum-critical ferromagnet YbNi${}_4$P${}_2$
• Synthesis and physical properties of Ce${}_2$Rh${}_{3+\delta }$Sb${}_4$ single crystals
• Quantum critical point followed by Kondo-like behavior due to Cu substitution in itinerant, antiferromagnet ${\text{La}}_2{\text{(Cu}}_x{\text{Ni}}_{1-x}{)}_7$
• Origin of misleading convergence in self-consistent many-electron theories: Fundamental aspects and practical implications
• Spin dynamics of antiferromagnets in the presence of a homogeneous magnetization
• Effect of Ni substitution on the fragile magnetic system ${\text{La}}_5{\text{Co}}_2{\text{Ge}}_3$
• Disordered non-Fermi liquid fixed point for two-dimensional metals at Ising-nematic quantum critical points
• Enhanced Itinerant Ferromagnetism in Hole-doped Transition Metal Oxides: Beyond the Canonical Double Exchange Mechanism
• Phase Transitions of Repulsive Two-Component Fermi Gases in Two Dimensions
• Quantum Critical Behavior in the Asymptotic Limit of High Disorder: Entropy Stabilized NiCoCr0.8 Alloys
• 121,123Sb NQR as a microscopic probe in Te doped correlated semimetal FeSb2 : emergence of electronic Griffith phase, magnetism and metallic behavior %
• Electrical resistivity across the tricriticality in itinerant ferromagnet
• Effects of chemical disorder in the itinerant antiferromagnet Ti${}_{1-x}$V${}_x$Au
• Resistivity of a $2d$ quantum critical metal
• Avoided ferromagnetic quantum critical point in CeZn
• Reaching Quantum Critical Point by Adding Non-magnetic Disorder in Single Crystals of Superconductor $({\text{Ca}}_x{\text{Sr}}_{1-x}{)}_3{\text{Rh}}_4{\text{Sn}}_{13}$
• Phonon anomalies and critical scaling in the spin-$1/2$ trimer chain Na${}_2$Cu${}_3$Ge${}_4$O${}_{12}$
• Effect of thermal history on magnetism in UCoGa
• The Kondo effect in ferromagnetic quantum critical CeRh${}_6$Ge${}_4$
• Magnetoelastic coupling at the field-induced transition in EuAl${}_{12}$O${}_{19}$
• Quantum Altermagnetic Instability in Disordered Metals
• Metamagnetism and tricriticalilty in heavy-fermion ferromagnet URhGe
• Dimensionality tuning of heavy-fermion states in ultrathin CeSi2 films
• Non-collinear ferromagnetism in the Kondo lattice Ce${}_5$CoGe${}_2$