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
18 papers · 1 filter
Structure of the exotic spin-flop states in BaCu2Si2O7
A. Zheludev, E. Ressouche, I. Tsukada +1
The unusual 2-stage spin flop transition in BaCu2Si2O7 is studied by single-crystal neutron diffraction. The magnetic structures of the various spin-flop phases are determined. The…
Global trends in the interplane penetration depth of layered superconductors
S. V. Dordevic, E. J. Singley, D. N. Basov +5
We report on generic trends in the behavior of the interlayer penetration depth of several different classes of quasi two-dimensional superconductors including high-T cup…
Two mechanisms of pseudogap formation in Bi-2201: Evidence from the c-axis magnetoresistance
A. N. Lavrov, Yoichi Ando, S. Ono
Measurements of the c-axis resistivity and magnetoresistance have been used to investigate the pseudogap (PG) behavior in Bi_{2+z}Sr_{2-x-z}La_xCuO_y (Bi-2201) crystals at various…
Magnetotransport properties of untwinned YBa_{2}Cu_{3}O_{y} single crystals: Novel 60-K-phase anomalies in the charge transport
Yoichi Ando, Kouji Segawa
We present the result of our accurate measurements of the a- and b-axis resistivity (ρ_a and ρ_b), magnetoconductivity (Δσ/ σ), Hall coefficient R_H, and the a-axis thermopower S_a…
Structural phase control of (LaNdSr)CuO thin films by epitaxial growth technique
I. Tsukada
Epitaxial growth of (LaNdSr)CuO thin films was studied by pulsed-laser deposition technique on three different substrates, SrTiO (100), LaSrAlO$_…
The onset of the vortex-like Nernst signal above Tc in La_{2-x}Sr_xCuO_4 and Bi_2Sr_{2-y}La_yCuO_6
Yayu Wang, Z. A. Xu, T. Kakeshita +4
The diffusion of vortices down a thermal gradient produces a Josephson signal which is detected as the vortex Nernst effect. In a recent report, Xu et al., Nature 406, 486 (2000),…
Low-temperature electronic heat transport in La_{2-x}Sr_{x}CuO_{4} single crystals: Unusual low-energy physics in the normal and superconducting states
J. Takeya, Yoichi Ando, Seiki Komiya +1
The thermal conductivity κis measured in a series of La_{2-x}Sr_{x}CuO_{4} (x = 0 - 0.22) single crystals down to 90 mK to elucidate the evolution of the residual electronic therma…
Magnetoresistance of Untwinned YBa_{2}Cu_{3}O_{y} Single Crystals in a Wide Range of Doping: Anomalous Hole-Doping Dependence of the Coherence Length
Yoichi Ando, Kouji Segawa
Magnetoresistance (MR) in the a-axis resistivity of untwinned YBa_{2}Cu_{3}O_{y} single crystals is measured for a wide range of doping (y = 6.45 - 7.0). The y-dependence of the in…
Electrical Resistivity Anisotropy from Self-Organized One-Dimensionality in High-Temperature Superconductors
Yoichi Ando, Kouji Segawa, Seiki Komiya +1
We investigate the manifestation of the stripes in the in-plane resistivity anisotropy in untwinned single crystals of La_{2-x}Sr_{x}CuO_{4} (x = 0.02 - 0.04) and YBa_{2}Cu_{3}O_{y…
Two-stage spin-flop transitions in S = 1/2 antiferromagnetic spin chain BaCu_2Si_2O_7
I. Tsukada, J. Takeya, T. Masuda +1
Two-stage spin-flop transitions are observed the in quasi-one-dimensional antiferromagnet, BaCuSiO. A magnetic field applied along the easy axis induces a spin-fl…
Constancy of the bilayer splitting as a function of doping in
Y. -D. Chuang, A. D. Gromko, A. V. Fedorov +4
Using high energy resolution angle resolved photoemission spectroscopy, we have resolved the bilayer splitting effect in a wide range of dopings of the bilayer cuprate $Bi_{2}Sr_{2…
Zn-doping effect on the magnetotransport properties of Bi_{2}Sr_{2-x}La_{x}CuO_{6+δ} single crystals
Y. Hanaki, Yoichi Ando, S. Ono +1
We report the magnetotransport properties of Bi_{2}Sr_{2-x}La_{x}Cu_{1-z}Zn_{z}O_{6+δ} (Zn-doped BSLCO) single crystals with z of up to 2.2%. Besides the typical Zn-doping effects…
Unusual magnetic susceptibility anisotropy in untwinned La_{2-x}Sr_xCuO_4 single crystals in the lightly-doped region
A. N. Lavrov, Yoichi Ando, Seiki Komiya +1
We present a study of the magnetic susceptibility in carefully detwinned La_{2-x}Sr_{x}CuO_4 single crystals in the lightly-doped region (x=0-0.03), which demonstrates a remarkable…
Mobility of the Doped Holes and the Antiferromagnetic Correlations in Underdoped High-T_c Cuprates
Yoichi Ando, A. N. Lavrov, Seiki Komiya +2
The emergence and the evolution of the metallic charge transport in the La_{2-x}Sr_{x}CuO_{4} system from lightly- to optimally-doped samples (x = 0.01 - 0.17) are studied. We demo…
Transport Anomalies and the Role of Pseudogap in the "60-K Phase" of YBa_{2}Cu_{3}O_{7-δ}
Kouji Segawa, Yoichi Ando
We report the result of our accurate measurements of the a- and b-axis resistivity, Hall coefficient, and the a-axis thermopower in untwinned YBa_{2}Cu_{3}O_{y} single crystals in…
Interplane Transport and Superfluid Density in Layered Superconductors
S. V. Dordevic, E. J. Singley, D. N. Basov +3
We report on generic trends in the behavior of the interlayer penetration depth of several different classes of quasi two-dimensional superconductors including cuprates, Sr$_…
Doubling of the bands in overdoped Bi2Sr2CaCu2O8-probable evidence for c-axis bilayer coupling
Y. -D. Chuang, A. D. Gromko, A. Fedorov +6
We present high resolution ARPES data of the bilayer superconductor Bi2Sr2CaCu2O8 (Bi2212) showing a clear doubling of the near EF bands. This splitting approaches zero along the (…
Dynamics vs electronic states of vortex core of high-T_c superconductors investigated by high-frequency impedance measurement
A. Maeda, Y. Tsuchiya, K. Iwaya +9
Dynamics of vortices reflects the electronic states of quasiparticles in the core. To understand this, we investigated the following three issues. (1) We investigated the complex s…