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Re-entrant charge order in overdoped (Bi,Pb)SrCuO outside the pseudogap regime
Y. Y. Peng, R. Fumagalli, Y. Ding +15
Charge modulations are considered as a leading competitor of high-temperature superconductivity in the underdoped cuprates, and their relationship to Fermi surface reconstructions…
Influence of apical oxygen on the extent of in-plane exchange interaction in cuprate superconductors
Y. Y. Peng, G. Dellea, M. Minola +14
In high Tc superconductors the magnetic and electronic properties are determined by the probability that valence electrons virtually jump from site to site in the CuO2 planes, a me…
Relationship among superconductivity, pseudogap, and high-energy magnetic fluctuations in a model high-Tc superconductor from electronic Raman scattering
Yuan Li, M. Le Tacon, M. Bakr +9
We use electronic Raman scattering to study the model single-layer cuprate superconductor HgBa2CuO4+d. In an overdoped sample, we observe a pronounced amplitude enhancement of a hi…
Temperature range of superconducting fluctuations above T_c in YBa_2Cu_3O_{7-δ} single crystals
M. S. Grbic, M. Pozek, D. Paar +6
Microwave absorption measurements in magnetic fields from zero up to 16 T were used to determine the temperature range of superconducting fluctuations above the superconducting cri…
Ni impurity induced enhancement of the pseudogap in cuprate high T_c superconductors
A. V. Pimenov, A. V. Boris, Li Yu +5
The influence of magnetic Ni and non-magnetic Zn impurities on the normal state pseudogap (PG) in the c-axis optical conductivity of NdBa\{Cu(Ni,Zn)O$_{…
Superconductivity-Induced Anomalies in the Spin Excitation Spectra of Underdoped YBa_2 Cu_3 O_{6+x}
H. F. Fong, B. Keimer, D. L. Milius +1
Polarized and unpolarized neutron scattering has been used to determine the effect of superconductivity on the magnetic excitation spectra of YBa_2 Cu_3 O_{6.5} (T_c = 52K) and YBa…