The magnetic states of lightly hole-doped cuprates in the clean limit

Abstract

We have performed extensive zero field muSR experiments on pure YBa2Cu3O6+y and diluted Y-rare-earth substituted Y0.92Eu0.08Ba2Cu3O6+y and Y0.925Nd0.075Ba2Cu3O6+y at light hole-doping. A common magnetic behavior is detected for all the three families, demonstrating negligible effects of the isovalent Y-substituent disorder. Two distinct regimes are identified, separated by a crossover, whose origin is attributed to the concurrent thermal activation of spin and charge degrees of freedom: a thermally activated and a re-entrant quenched-hole antiferromagnetic regime. The peculiar temperature and hole density dependence of the magnetic moment m(h,T) fit a model with a (spin) activation energy for the crossover between the two regimes throughout the entire investigated range. The magnetic moment is suppressed by a simple dilution mechanism both in the reentrant regime (0<h<0.056) and in the so-called Cluster Spin Glass state coexisting with superconductivity (0.056<h<0.08). We argue a common magnetic ground state for these two doping regions and dub it quenched-hole antiferromagnet. Conversely frustration prevails in the thermally activated regime, that vanishes at the same concentration where superconductivity emerges, suggesting the presence of a quantum critical point at h_c=0.056(2).

11 pags, 10 figs v2: notation changes: Quenched and Reentrant >>> Frozen, accordingly pedex Q and R >>> F

References in corpus (6)

• Spin dynamics near the critical doping in weakly-superconducting underdoped YBa2Cu3O6.35 (Tc=18K)
• Destruction of Neel order and local spin spirals in insulating La_{2-x}Sr_xCuO_4
• Impurity-induced frustration in correlated oxides
• Dynamics of topological defects in a spiral: a scenario for the spin-glass phase of cuprates
• Universal doping dependence of the ground state staggered magnetization in cuprates
• Dissipative dynamics of topological defects in frustrated Heisenberg spin systems

Cited by in corpus (41)

• Long-range incommensurate charge fluctuations in (Y,Nd)Ba2Cu3O(6+x)
• Magnetic-field-induced charge-stripe order in the high temperature superconductor YBa2Cu3Oy
• Direct measurement of the upper critical field in a cuprate superconductor
• Quasiparticle mass enhancement approaching optimal doping in a high-Tc superconductor
• Universal sheet resistance and revised phase diagram of the cuprate high-temperature superconductors
• Neutron scattering study of the magnetic phase diagram of underdoped YBa(2)Cu(3)O(6+x)
• Spin-glass behavior in Ni-doped La1:85Sr0:15CuO4
• High-Tc Superconductivity and Antiferromagnetism in Multilayered Copper Oxides - A New Paradigm of Superconducting Mechanism -
• Synchrotron x-ray scattering study of charge-density-wave order in HgBa${}_2$CuO${}_{4+\delta }$
• Intermediate Coupling Model of the Cuprates
• Evidence for competing magnetic instabilities in underdoped $\mathrm{YB}{\mathrm{a}}_2\mathrm{C}{\mathrm{u}}_3{\mathrm{O}}_{6+\mathrm{x}}$
• Optical model-solution to the competition between a pseudogap phase and a Mott-gap phase in high-temperature cuprate superconductors
• Tuning of competing magnetic and superconducting phase volumes in LaFeAsO$_0.945F_0.055 by hydrostatic pressure
• Comparison of charge modulations in La${}_{1.875}$Ba${}_{0.125}$CuO${}_4$ and YBa${}_2$Cu${}_3$O${}_{6.6}$
• Quantum critical point for stripe order: An organizing principle of cuprate superconductivity
• Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx
• Long- to short-range magnetic order in fluorine-doped CeFeAsO
• Magnetic field-enhanced spin freezing in YBa2Cu3O6.45 at the verge of the competition between superconductivity and charge order
• On infrared pseudogap in cuprate and pnictide high-temperature superconductors
• Electronic polymers and soft-matter-like broken symmetries in underdoped cuprates
• Evidence of a critical hole concentration in underdoped YBa${}_2$Cu${}_3$O${}_y$ single crystals revealed by ${}^{63}$Cu NMR
• High-T_c Superconductivity with T_c = 52 K under Antiferromagnetic Order in Five-layered Cuprate Ba_2Ca_4Cu_5O_10(F,O)_2 with T_N = 175 K: 19F- and Cu-NMR Studies
• Stripe disorder and dynamics in the hole-doped antiferromagnetic insulator La5/3Sr1/3CoO4
• High-Tc superconductivity and antiferromagnetism in multilayer cuprates: 63Cu- and 19F-NMR on five-layer Ba2Ca4Cu5O10(F,O)2
• Implications of Resonant Inelastic X-ray Scattering Data for Theoretical Models of Cuprates
• Cu-NMR study of oxygen disorder in ortho-II YBa2Cu3Oy
• Competition between spin ordering and superconductivity near the pseudogap boundary in La2-xSrxCuO4: insights from NMR
• Modification of structural disorder by hydrostatic-pressure in superconducting YBa${}_2$Cu${}_3$O${}_{6.73}$ cuprate
• Antiferromagnetism, superconductivity, and pseudogap in three-layered high-T_c cuprates Ba_2Ca_2Cu_3O_6(F,O)_2 probed by Cu-NMR
• ARPES Spectral Function in Lightly Doped and Antiferromagnetically Ordered YBa2Cu3O{6+y}
• Magnetic glassy phase in FeSeTe single crystals
• Magnetic properties of lightly doped antiferromagnetic YBa${}_2$Cu${}_3$O${}_y$
• Compass Impurity Model of Tb Substitution in Sr2IrO4
• Competing orders suppressed by disorder around a hidden quantum critical point in cuprate high Tc superconductors
• The High Temperature Superconductivity in Cuprates: Physics of the Pseudogap Region
• Fermi Surface Reconstruction by Dynamic Magnetic Fluctuations and Spin-Charge Separation Near an O(3) Quantum Critical Point
• Separation of magnetic and superconducting behaviour in YBCO6.33 (Tc=8.4 K)
• Suppression of superconductivity by charge density wave order in YBa${}_2$Cu${}_3$O${}_{6.67}$
• μSR investigation of the Fe-doped Ca${}_3$Ru${}_2$O${}_7$ polar metal
• Singling out the effect of quenched disorder in the phase diagram of cuprates
• Thermodynamic signature of a magnetic-field-driven phase transition within the superconducting state of an underdoped high-temperature superconductor