616 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP60 papers
- The University of OsakaJP26 papers
- Brookhaven National LaboratoryUS20 papers
- Stanford UniversityUS18 papers
- Lawrence Berkeley National LaboratoryUS14 papers
- Princeton UniversityUS14 papers
- Japan Atomic Energy AgencyJP13 papers
- Leibniz Institute for Solid State and Materials ResearchDE13 papers
- University of California San DiegoUS13 papers
- Canadian Institute for Advanced ResearchCA12 papers
- Centre National de la Recherche ScientifiqueFR12 papers
- Japan Science and Technology AgencyJP12 papers
22 papers · 1 filter
Weak ferromagnetism of La_{1.99}Sr_{0.01}CuO_4 thin films: evidence for removal of corrugation in CuO_2 plane by epitaxial strain
I. Tsukada
The weak ferromagnetism of La_{1.99}Sr_{0.01}CuO_4 epitaxial thin films is investigated using magnetoresistance measurement. While a steplike negative magnetoresistance associated…
Electron Localization in La_{2-x}Sr_xCuO_4 and the Role of Stripes
Seiki Komiya, Yoichi Ando
The normal-state in-plane resistivity (ρ_{ab}) is measured in lightly Zn-doped La_{2-x}Sr_xCuO_4 (LSCO) crystals with 0.06 \leq x \leq 0.17 to systematically study the localization…
Spin reorientation and in-plane magnetoresistance of lightly doped La_{2-x}Sr_{x}CuO_{4} in magnetic fields up to 55 T
S. Ono, Seiki Komiya, A. N. Lavrov +4
The magnetoresistance (MR) in the in-plane resistivity is measured in magnetic fields up to 55 T in lightly doped La_{2-x}Sr_{x}CuO_{4} in the Néel state (x = 0.01) and in the spin…
Examination of the c-axis resistivity of Bi_{2}Sr_{2-x}La_xCuO_{6+δ} in magnetic fields up to 58 T
S. Ono, Yoichi Ando, F. F. Balakirev +2
We measure the magnetic-field dependence of the c-axis resistivity, ρ_c(H), in a series of Bi_{2}Sr_{2-x}La_xCuO_{6+δ} (BSLCO) single crystals for a wide range of doping using puls…
Quasiparticle dynamics and in-plane anisotropy in system near onset of superconductivity
Y. -S. Lee, Kouji Segawa, Yoichi Ando +1
We report on an infrared study of carrier dynamics within the CuO planes in heavily underdoped detwinned single crystals of YBaCuO. In an effort to reveal…
Magic Doping Fractions in High-Temperature Superconductors
Seiki Komiya, Han-Dong Chen, Shou-Cheng Zhang +1
We report hole-doping dependence of the in-plane resistivity ρ_{ab} in a cuprate superconductor La_{2-x}Sr_{x}CuO_{4}, carefully examined using a series of high-quality single crys…
Effects of polarized organosilane self-assembled monolayers on organic single-crystal field-effect transistors
J. Takeya, T. Nishikawa, T. Takenobu +7
The surface conductivity is measured by a four-probe technique for pentacene and rubrene single-crystals laminated on polarized and nearly unpolarized molecular monolayers with app…
Magnetic order in lightly doped La_{2-x}Sr_{x}CuO_{4}
A. Gozar, B. S. Dennis, G. Blumberg +2
We study long wavelength magnetic excitations in lightly doped La_{2-x}Sr_{x}CuO_{4} (x < 0.03) detwinned crystals. The lowest energy magnetic anisotropy induced gap can be underst…
Electronic specific heat and low energy quasiparticle excitations in superconducting state of single crystals
Hai-Hu Wen, Zhi-Yong Liu, Fang Zhou +6
Low temperature specific heat has been measured and extensively analyzed on a series of single crystals from underdoped to overdoped regime. From these data the…
Multiple Bosonic Mode Coupling in Electron Self-Energy of (La_2-xSr_x)CuO_4
X. J. Zhou, Junren Shi, T. Yoshida +21
High resolution angle-resolved photoemission spectroscopy data along the (0,0)-(,) nodal direction with significantly improved statistics reveal fine structure in the electro…
A novel heavy-fermion state in CaCu_3Ru_4O12
W. Kobayashi, I. Terasaki, J. Takeya +2
We have measured susceptibility, specific heat, resistivity, and thermopower of CaCuTiRuO and CaCuMnRuO, and have found that CaCuR…
Universal scaling relation in high-temperature superconductors
C. C. Homes, S. V. Dordevic, M. Strongin +10
Scaling laws express a systematic and universal simplicity among complex systems in nature. For example, such laws are of enormous significance in biology. Scaling relations are al…
"Spin-Flop" Transition and Anisotropic Magnetoresistance in Pr_{1.3-x}La_{0.7}Ce_{x}CuO_{4}: Unexpectedly Strong Spin-Charge Coupling in Electron-Doped Cuprates
A. N. Lavrov, H. J. Kang, Y. Kurita +6
We use transport and neutron-scattering measurements to show that a magnetic-field-induced transition from noncollinear to collinear spin arrangement in adjacent CuO_{2} planes of…
Doping dependence of charge-transfer excitations in La_{2-x}Sr_xCuO_4
Young-June Kim, J. P. Hill, Seiki Komiya +4
We report a resonant inelastic x-ray scattering (RIXS) study of the doping dependence of charge-transfer excitations in . The mome ntum dependence of these c…
Metal-to-Insulator Crossover in YBa_{2}Cu_{3}O_{y} Probed by Low-Temperature Quasiparticle Heat Transport
X. F. Sun, Kouji Segawa, Yoichi Ando
It was recently demonstrated that in La_{2-x}Sr_{x}CuO_{4} the magnetic-field (H) dependence of the low-temperature thermal conductivity κup to 16 T reflects whether the normal sta…
Electronic Phase Diagram of High-T_c Cuprate Superconductors from a Mapping of the In-Plane Resistivity Curvature
Yoichi Ando, Seiki Komiya, Kouji Segawa +2
We propose that Resistivity Curvature Mapping (RCM) based on the in-plane resistivity data is a useful way to objectively draw an electronic phase diagrams of high-T_c cuprates, wh…
Manifestation of the magnetic resonance mode in the nodal quasiparticle lifetime in superconducting cuprates
A. A. Kordyuk, S. V. Borisenko, A. Koitzsch +9
Studying the nodal quasiparticles in superconducting cuprates by photoemission with highly improved momentum resolution, we show that a new "kink" feature in the scattering rate is…
Local Ordering in the Pseudogap State of the High-T Superconductor BiSrCaCuO
Michael Vershinin, Shashank Misra, S. Ono +3
We report atomic scale characterization of the pseudogap state in a high-T superconductor, BiSrCaCuO. The electronic states at low energies within the pseud…
Quantum Phase Transitions in a Cuprate Superconductor Bi_{2}Sr_{2-x}La_{x}CuO_{6+δ}
Yoichi Ando, S. Ono, X. F. Sun +4
To elucidate a quantum phase transition (QPT) in Bi_2Sr_{2-x}La_xCuO_{6+δ}, we measure charge and heat transport properties at very low temperatures and examine the following chara…
Thermodynamic and transport properties of underdoped cuprates from ARPES data
T. Yoshida, X. J. Zhou, H. Yagi +11
he relationship between photoemission spectra of high- cuprates and their thermodynamic and transport properties are discussed. The doping dependence of the expecte…
Origin of the shadow Fermi surface in Bi-based cuprates
A. Koitzsch, S. V. Borisenko, A. A. Kordyuk +11
We used angle-resolved photoemission spectroscopy to study the shadow Fermi surface in one layer Bi2Sr1.6La0.4CuO6+delta and two layer (Bi,Pb)2Sr2CaCu2O8+delta. We find the shadow…
Evolution of the Hall Coefficient and the Peculiar Electronic Structure of the Cuprate Superconductors
Yoichi Ando, Y. Kurita, Seiki Komiya +2
Although the Hall coefficient R_H is an informative transport property of metals and semiconductors, its meaning in the cuprate superconductors has been ambiguous because of its un…