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High Pressure Study of Structural Phase Transitions and Superconductivity in La1.48Nd0.4Sr0.12CuO4
M. K. Crawford, R. L. Harlow, S. Deemyad +8
We have determined the crystal structures and superconducting transition temperatures of La1.48Nd0.4Sr0.12CuO4 under nearly hydrostatic pressures in diamond anvil cells to 5.0 GPa…
Muon Spin Relaxation Studies of Magnetic-Field-Induced Effects in High- Superconductors
A. T. Savici, A. Fukaya, I. M. Gat-Malureanu +19
Muon spin relaxation (SR) measurements in high transverse magnetic fields () revealed strong field-induced quasi-static magnetism in the underdoped and Eu dope…
Molecular orbital excitations in cuprates
Young-June Kim, J. P. Hill, G. D. Gu +10
We report resonant inelastic x-ray scattering studies of electronic excitations in a wide variety of cuprate compounds. Specifically, we focus on the charge-transfer type excitatio…
Asymmetries in the electron-hole pair dynamics and strong Mott pseudogap effect in the phase diagram of cuprates
M. Z. Hasan, Y. Li, D. Qian +6
Electron behavior in doped Mott systems continues to be a major unsolved problem in quantum many-electron physics. A central issue in understanding the universal Mott behavior in a…
Destruction of antinodal state coherence via `checkerboard' charge ordering in strongly underdoped superconducting BSCCO-2212
K. McElroy, D. -H. Lee, J. E. Hoffman +6
Microscopy (STM). At all dopings, the low energy density-of-states modulations are analyzed according to a simple model of quasiparticle interference and found to be consistent wit…
Homogenous nodal superconductivity coexisting with inhomogeneous charge order in strongly underdoped Bi-2212
K. McElroy, D. -H. Lee, J. E. Hoffman +6
We use novel STM techniques in concert to study the doping dependence of electronic structure in Bi-2212. At all dopings, the low energy states are relatively homogenous except for…