240 citations · 1.8k across the 58 of their papers we have counts for
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Link between magnetism and resistivity upturn in cuprates: a thermal conductivity study of LaSrCuO
P. Bourgeois-Hope, S. Y. Li, F. Laliberté +8
A key unexplained feature of cuprate superconductors is the upturn in their normal state electrical resistivity seen at low temperature inside the pseudogap phase. We examin…
Broken relationship between superconducting pairing interaction and electronic dispersion kinks in LSCO
S. R. Park, Y. Cao, Q. Wang +5
Electronic band dispersions in copper oxide superconductors have kinks around 70 meV that are typically attributed to coupling of electrons to a bosonic mode. We performed angle re…
Enhancement of electronic anomalies in iron-substituted La_2-x_Sr_x_Cu_1-y_Fe_y_O_4_ around x=0.22
T. Adachi, H. Sato, M. Fujita +2
We have measured the temperature dependences of Rho and Chi for Fe-substituted La_2-x_Sr_x_Cu_1-y_Fe_y_O_4_ in the overdoped regime, in order to investigate Fe-substitution effects…
Neutron-scattering study of spin correlations in La1.94-xSrxCe0.06CuO4
M. Enoki, M. Fujita, K. Yamada
We performed a neutron-scattering experiment to investigate the effect of distortion of CuO2 planes on the low-energy spin correlation of La1.94-xSrxCe0.06CuO4 (LSCCO). Due to the…
Hidden quantum spin gap state in the static stripe phase of LaSrCuO
M. Kofu, S. -H. Lee, M. Fujita +3
Low energy spin excitations were investigated in the static stripe phase of La_{2-x}Sr_xCuO_4 using elastic and inelastic neutron scattering on single crystals. For x = 1/8 in whic…
Dispersion and energy spectrum of spin excitations in an underdoped La_1.90Sr_0.10CuO_4
M. Kofu, T. Yokoo, F. Trouw +1
We performed inelastic neutron experiments on underdoped La_2-xSr_xCuO_4(x=0.10, T_c=28.6K) using a time-of-flight neutron scattering technique. Four incommensurate peaks on the tw…
High-energy magnetic excitations from dynamic stripes in LBCO (x=1/8)
Guangyong Xu, J. M. Tranquada, T. G. Perring +3
We use inelastic neutron scattering to study the temperature dependence of magnetic excitations (for energies up to 100 meV) in the cuprate LaBaCuO. This co…
Ni-Impurity Effects on Incommensurate Spin Correlations in Superconducting La2-xSrxCuO4 (x=0.06 and 0.07)
H. Hiraka, S. Ohta, S. Wakimoto +2
Neutron scattering experiments have been carried out to explore Ni-impurity effects on static spin correlations in La2-xSrxCuO4 (LSCO) in the vicinity of the superconductor-insulat…
Oxygen phonon branches in overdoped LaSrCuO
L. Pintschovius, D. Reznik, K. Yamada
The dispersion of the Cu-O bond-stretching vibrations in overdoped LaSrCuO (not superconducting) has been studied by high resolution inelastic neutron scatterin…
Disappearance of antiferromagnetic spin excitations in over-doped LaSrCuO
S. Wakimoto, K. Yamada, J. M. Tranquada +3
Magnetic excitations in the energy range up to 100 meV are studied for over-doped LaSrCuO with and 0.30, using time-of-flight neutron spectroscopy. Com…
Field-Induced Uniform Antiferromagnetic Order Associated with Superconductivity in PrLaCeCuO
R. Kadono, K. Ohishi, A. Koda +4
Strong correlation between field-induced antiferromagnetic (AF) order and superconductivity is demonstrated for an electron-doped cuprate superconductor, PrLaCeCuO$_{…
Effects of Superconductivity and Charge Order on the sub-Terahertz reflectivity of LaBaSrCuO
M. Ortolani, P. Calvani, S. Lupi +4
The reflectivity of both the plane and the c axis of two single crystals of LaBaSrCuO has been measured down to 5 cm, using cohe…
Magnetic properties of the overdoped superconductor LaSrCuO with and without Zn impurities
S. Wakimoto, R. J. Birgeneau, A. Kagedan +4
The magnetic properties of the Zn-substituted overdoped high- superconductor LaSrCuZnO have been studied by magnetization measurements and ne…
Universal magnetic excitation spectrum in cuprates
J. M. Tranquada, H. Woo, T. G. Perring +5
We have recently used inelastic neutron scattering to measure the magnetic excitation spectrum of La(1.875)Ba(0.125)CuO(4) up to 200 meV. This particular cuprate is of interest bec…
Square vortex lattice at anomalously low magnetic fields in electron-doped NdCeCuO
R. Gilardi, J. Mesot, S. P. Brown +7
We report here on the first direct observations of the vortex lattice in the bulk of electron-doped NdCeCuO single crystals. Using small angle neutron scatt…
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…
Soft phonons and structural phase transitions in LaBaCuO
H. Kimura, Y. Noda, H. Goka +3
Soft phonon behavior associated with a structural phase transition from the low-temperature-orthorhombic (LTO) phase ( symmetry) to the low-temperature-tetragonal (LTT) phase…
Reflectivity measurements in uniaxial superconductors: a methodological discussion applied to the case of La(2-x)Sr(x)CuO(4)
M. Ortolani, P. Calvani, S. Lupi +3
Most of the novel superconductors are uniaxial crystals, with metallic planes () orthogonal to an insulating axis (). Far-infrared measurements of the reflectivity $R_{ab} (…
Strong correlation between field-induced magnetism and superconductivity in PrLaCeCuO
R. Kadono, K. Ohishi, A. Koda +5
We report the local magnetic response of an electron-doped cuprate superconductor, PrLaCeCuO ( K), studied by muon spin rotation (\msr) over a…
Evidence of large anisotropy in the magnetization of Na0.35CoO2.1.3H2O quasi-single-crystal superconductors
P. Badica, T. Kondo, K. Togano +1
Quasi-single crystals (up to 2x2x1 mm3) of Na0.35CoO2.1.3H2O-superconductor have been grown. Magnetization M(H, T) and M(T, H) curves with magnetic field approximately parallel and…
Direct relation between the low-energy spin excitations and superconductivity of overdoped high- superconductors
S. Wakimoto, H. Zhang, K. Yamada +3
The dynamic spin susceptibility, , has been measured over the energy range of meV for overdoped LaSrCuO. Incommensurate (IC) spin exci…
Evidence for an incommensurate magnetic resonance in La(2-x)Sr(x)CuO(4)
J. M. Tranquada, C. H. Lee, K. Yamada +3
We study the effect of a magnetic field (applied along the c-axis) on the low-energy, incommensurate magnetic fluctuations in superconducting La(1.82)Sr(0.18)CuO(4). The incommensu…
Magnetic Ground State of PrLaCeCuO with Varied Oxygen Depletion Probed by Muon Spin Relaxation
Ryosuke Kadono, Kazuki Ohishi, Akihiro Koda +5
The magnetic ground state of an electron-doped cuprate superconductor PrLaCeCuO () has been studied by means of muon spin rotation/relaxa…
Absence of magnetic field effect on static magnetic order in electron-doped superconductor Nd_{1.86}Ce_{0.14}CuO_4
M. Matsuda, S. Katano, T. Uefuji +2
Neutron-scattering experiments were performed to study the magnetic field effect on the electron-doped cuprate superconductor Nd_{1.86}Ce_{0.14}CuO_4, which shows the coexistence o…