Divergent nematic susceptibility in an iron arsenide superconductor

Abstract

Within the Landau paradigm of continuous phase transitions, ordered states of matter are characterized by a broken symmetry. Although the broken symmetry is usually evident, determining the driving force behind the phase transition is often a more subtle matter due to coupling between otherwise distinct order parameters. In this paper we show how measurement of the divergent nematic susceptibility of an iron pnictide superconductor unambiguously distinguishes an electronic nematic phase transition from a simple ferroelastic distortion. These measurements also reveal an electronic nematic quantum phase transition at the composition with optimal superconducting transition temperature.

8 pages, 8 figures

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• Piezoresistivity as a Fingerprint of Ferroaxial Transitions
• Comparison of temperature and doping dependence of nematic susceptibility near a putative nematic quantum critical point
• Disorder-Induced Electronic Nematicity
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• Spectral Evidence for Unidirectional Charge Density Wave in Detwinned BaNi${}_2$As${}_2$
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• Unexpected Enhancement of Three-Dimensional Low-Energy Spin Correlations in Quasi-Two-Dimensional Fe${}_{1+y}$Te${}_{1-x}$Se${}_x$ System at High Temperature
• Random-strain-induced correlations in materials with intertwined nematic and magnetic orders
• Pairing gaps near ferromagnetic quantum critical points
• Ubiquitous stripe phase and enhanced electron pairing in interfacial high-Tc superconductor FeSe/BaTiO${}_3$
• Growth of nematic susceptibility in the field-induced normal state of an iron-based superconductor revealed by elastoresistivity measurements in a 65 T pulsed magnet
• Measurements of elastoresistance under pressure by combining in-situ tunable quasi-uniaxial stress with hydrostatic pressure
• Charge Transport in Ba${}_{1-x}$Rb${}_x$Fe${}_2$As${}_2$ Single Crystals
• Frequency-dependent sensitivity of AC elastocaloric effect measurements explored through analytical and numerical models
• Superconducting gap and nematic resonance at the quantum critical point observed by Raman scattering in $\mathrm{BaF}{\mathrm{e}}_2({\mathrm{As}}_{1-x}{\mathrm{P}}_x{)}_2$
• Spin-state smectics in spin crossover materials
• Quantum critical fluctuations in an Fe-based superconductor
• Defect-induced electronic smectic state at the surface of nematic materials
• In-plane anisotropic response to the uniaxial pressure in the hidden order state of URu${}_2$Si${}_2$
• Nematic fluctuations in the non-superconducting iron pnictide BaFe${}_{1.9-x}$Ni${}_{0.1}$Cr${}_x$As${}_2$
• Three-dimensional bond-order instability in infinite-layer nickelates due to nonlocal quantum interference
• Spin-echo and quantum versus classical critical fluctuations in TmVO${}_4$
• Theories for charge-driven nematicity in kagome metals
• Stability of the coexistent superconducting-nematic phase under the presence of intersite interactions
• Variation of shear moduli across superconducting phase transitions
• Uniaxial stress effect on the electronic structure of quantum materials
• Strain tuning and anisotropic spin correlations in iron-based systems
• Uniaxial stress study of spin and charge stripes in La${}_{1.875}$Ba${}_{0.125}$CuO${}_4$ by ${}^{139}$La NMR and ${}^{63}$Cu NQR
• Strange metallicity in an antiferromagnetic quantum critical model: A sign-problem-free quantum Monte-Carlo study
• Influence of orbital nematic order on spin responses in Fe-based superconductors
• Possible Nematic Order Driven by Magnetic Fluctuations in Iron Pnictides
• No nematicity at the onset temperature of the pseudogap phase in the cuprate superconductor YBCO
• Contactless measurement of nonlinear conductivity in the radio-frequency range
• Elastoconductivity as a probe of broken mirror symmetries
• Tracking the nematicity in cuprate superconductors: a resistivity study under uniaxial pressure
• Strong electron-phonon coupling in Ba${}_{1-x}$Sr${}_x$Ni${}_2$As${}_2$
• Surface Nematic Order in Iron Pnictides
• Elastoresistivity of heavily hole doped 122 iron pnictides superconductors
• Instabilities of quantum critical metals in the limit $N_f\to 0$
• Magnetic-field-tuned randomness in inhomogeneous altermagnets
• The Future of the Correlated Electron Problem
• Energy Landscape analysis of metal-insulator transitions: theory and application to Ca${}_2$RuO${}_4$, $R$NiO${}_3$ and their heterostructures
• Coherence Length of Electronic Nematicity in Iron-Based Superconductors
• The driving mechanism of the d-wave orbital order in the iron-based superconductors
• Microscopic origin of the nemato-elastic coupling and dynamics of hybridized collective nematic-phonon excitations
• Domain Control by Adjusting Anisotropic Stress in Pyrochlore Oxide Cd2Re2O7
• Electronic structure of the quadrupolar ordered heavy-fermion compound YbRu2Ge2 measured by angle-resolved photoemission
• A Ginzburg-Landau approach to the vortex-domain wall interaction in superconductors with nematic order
• Effects of strain-tunable valleys on charge transport in bismuth
• Absence of nematic instability in LiFeAs
• In-plane electronic anisotropy revealed by interlayer resistivity measurements on the iron-based superconductor parent compound CaFeAsF
• Nematic fluctuations mediated superconductivity revealed by anisotropic strain in Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$
• Electronically driven nematicity in FeSe Films on SrTiO3
• Quantitative relationship between structural orthorhombicity, shear modulus and heat capacity anomaly of the nematic transition in iron-based superconductors
• Higgs physics in superconductors
• Strain-activated structural anisotropy in BaFe2As2
• Suppression of nematicity by tensile strain in multilayer FeSe/SrTiO${}_3$ films
• Multiband effect in elastoresistance of Fe(Se,Te)
• Nanoscale strain manipulation of smectic susceptibility in kagome superconductors
• Measuring the imaginary time dynamics of quantum materials
• Two-step phase transitions in Fe(Se,Te)
• Elasto-Raman scattering: arsenic optical phonon as a probe of nematicity in BaFe${}_2$As${}_2$
• Theory of anisotropic elastoresistivity of two-dimensional extremely strongly correlated metals
• Divergence of the quadrupole-strain susceptibility of YbRu${}_2$Ge${}_2$; a local moment realization of electronic nematicity
• Decoupling of Lattice and Orbital Degrees of Freedom in an Iron-Pnictide Superconductor
• Terahertz pulse-driven collective mode in the nematic superconducting state of Ba${}_{1-x}$K${}_x$Fe${}_2$As${}_2$
• Phase separation near the charge neutrality point in FeSe${}_{1-x}$Te${}_x$ crystals with x $<$ 0.15
• Electronic spin-triplet nematic with a twist
• The Ba${}_{0.6}$K${}_{0.4}$Fe${}_2$As${}_2$ superconducting four-gap temperature evolution: a multi-band Chebyshev-BdG approach
• Measurements of nematic susceptibility with phase sensitive nuclear magnetic resonance in pulsed strain fields
• Orbital selective order and ${\mathbb{Z}}_3$ Potts nematicity from a non-Fermi liquid
• Disordered non-Fermi liquid fixed point for two-dimensional metals at Ising-nematic quantum critical points
• Anisotropic Electronic Mobilities in the Nematic State of the Parent Phase NaFeAs
• Coarsening dynamics of Ising-nematic order in a frustrated Heisenberg antiferromagnet
• Development of microwave surface elastoresistivity measurement technique under tunable strain
• Atomic-scale imaging of electronic nematicity in ferropnictides
• Compatible Instability: Gauge Constraints of Elasticity Inherited by Electronic Nematic Criticality
• Time-Resolved Photoemission Spectroscopy of Quantum Materials Using High Harmonic Generation: Probing Electron-Phonon Interactions and Non-Equilibrium Dynamics
• Introduction to High-Temperature Superconductivity for Solid State Chemists
• Increase of critical current density in FeSe superconductor by strain effect
• Ubiquity of rotational symmetry breaking in superconducting films, from Fe(Te,Se)/Bi${}_2$Te${}_3$ to Nb, and the effect of measurement geometry
• Apparatus Design for Measuring of the Strain Dependence of the Seebeck Coefficient of Single Crystals
• Relationship between critical current and flux-flow resistivity in the mixed state of Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$
• Strain-engineered interaction of quantum polar and superconducting phases
• Lattice Disorder Effect on Magnetic Ordering of Iron Arsenides
• Twinning of domains and spin anisotropy in K${}_5$Fe${}_4$Ag${}_6$Te${}_{10}$
• Sub-spin-flop switching of a fully compensated antiferromagnet by magnetic field
• Piezostrain-induced in-plane anisotropy of superconducting transition temperature for FeSe0.5Te0.5 thin films
• The thermoelectric conversion efficiency problem: Insights from the electron gas thermodynamics close to a phase transition
• Energy-Resolved Real-Space Imaging of Orbital Nematicity in an Fe-Based Superconductor
• Nematicity in LaFeAsO single crystals studied by elastoresistance, high-resolution thermal expansion and shear-modulus measurements