Preserved entropy and fragile magnetism

Abstract

A large swath of strongly correlated electron systems can be associated with the phenomena of preserved entropy and fragile magnetism. In this overview we present our thoughts and plans for the discovery and development of lanthanide and transition metal based, strongly correlated systems that are revealed by suppressed, fragile magnetism or grow out of preserved entropy. We will present and discuss current examples such as YbBiPt, YbAgGe, YbFe2Zn20, PrAg2In, BaFe2As2, CaFe2As2, LaCrSb3 and LaCrGe3 as part of our motivation and to provide illustrative examples.

References in corpus (24)

• Magnetic order in BaFe2As2, the parent compound of the FeAs based superconductors in a new structural family
• Effects of Co substitution on thermodynamic and transport properties and anisotropic $H_{c2}$ in Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$ single crystals
• Pressure induced superconductivity in CaFe${}_2$As${}_2$
• Pressure-induced volume-collapsed tetragonal phase of CaFe2As2 as seen via neutron scattering
• Lattice and magnetic instabilities in CaFe2As2: A single crystal neutron diffraction study
• First order structural phase transition in CaFe${}_2$As${}_2$
• YSix closely related YbT${}_2$Zn${}_{20}$ (T = Fe, Co, Ru, Rh, Os, Ir) heavy fermion compounds with large local moment degeneracy
• Heavy Fermion Superconductivity in the Quadrupole Ordered State of PrV2Al20
• The Absence of Superconductivity in Single Phase CaFe2As2 under Hydrostatic Pressure
• Lattice collapse and quenching of magnetism in CaFe2As2 under pressure: A single crystal neutron and x-ray diffraction investigation
• Tricritical point and wing structure in the itinerant ferromagnet UGe2
• Magnetic field tuned quantum criticality of heavy fermion system YbPtBi
• Suppression of antiferromagnetic spin fluctuations in the collapsed tetragonal phase of CaFe2As2
• Variation of the magnetic ordering in GdT${}_2$Zn${}_{20}$ (T= Fe, Ru, Os, Co, Rh and Ir) and its correlation with the electronic structure of isostructural YT${}_2$Zn${}_{20}$
• Dramatic Changes in the Electronic Structure Upon Transition to the Collapsed Tetragonal Phase in CaFe2As2
• Correlation effects in the tetragonal and collapsed tetragonal phase of CaFe2As2
• Field-induced non-Fermi-liquid resistivity of stoichiometric YbAgGe single crystals
• Magnetic properties of Gd_xY_{1-x}Fe_2Zn_{20}: dilute, large, $\text{S}$ moments in a nearly ferromagnetic Fermi liquid
• The suppression of electron correlations in the collapsed tetragonal phase of CaFe2As2 under ambient pressure demonstrated by 75As NMR-NQR measurements
• Fragile antiferromagnetism in the heavy-fermion compound YbBiPt
• Transition to collapsed tetragonal phase in CaFe2As2 single crystals as seen by 57Fe Mossbauer spectroscopy
• Quantum oscillations in heavy fermion compound YbPtBi
• High-resolution x-ray diffraction study of the heavy-fermion compound YbBiPt
• Suppression of ferromagnetism in the La(V${}_x$Cr${}_{1-x}$)Sb${}_3$ system

Cited by in corpus (18)

• New Materials Physics
• Hydrostatic and uniaxial pressure tuning of iron-based superconductors: Insights into superconductivity, magnetism, nematicity and collapsed tetragonal transitions
• Formation of short-range magnetic order and avoided ferromagnetic quantum criticality in pressurized LaCrGe${}_3$
• Avoided ferromagnetic quantum critical point in pressurized La${}_5$Co${}_2$Ge${}_3$
• Magnetic properties of the itinerant ferromagnet LaCrGe3 under pressure studied by 139La NMR
• Using first-principles calculations to screen for fragile magnetism: Case study of LaCrGe3 and LaCrSb3
• Small moment antiferromagnetic ordering in single crystalline La2Ni7
• Weak itinerant magnetic phases of La2Ni7
• Study of the ferromagnetic quantum phase transition in Ce${}_{3-x}$Mg${}_x$Co${}_9$
• Anisotropic physical properties and pressure dependent magnetic ordering of CrAuTe${}_4$
• Effects of a magnetic field on the fragile antiferromagnetism in YbBiPt
• Effect of electron- and hole-doping on properties of kagome-lattice ferromagnet Fe3Sn2
• Electronic signatures of successive itinerant, magnetic transitions in hexagonal La2Ni7
• Enhancement of the Curie temperature in single crystalline ferromagnetic LaCrGe${}_3$ by electron irradiation-induced disorder
• Learning crystal field parameters using convolutional neural networks
• Effect of Ni substitution on the fragile magnetic system ${\text{La}}_5{\text{Co}}_2{\text{Ge}}_3$
• Relationship between polymorphic structures and magnetic properties of La${}_{2-x}{A}_x^{\prime }$Ni${}_7$ compounds ($A$' = Sm, Gd)
• Quantum critical point followed by Kondo-like behavior due to Cu substitution in itinerant, antiferromagnet ${\text{La}}_2{\text{(Cu}}_x{\text{Ni}}_{1-x}{)}_7$