Anisotropy of the low-temperature magnetostriction of Sr3Ru2O7 (2009)
Stingl, C., Perry, R. S., Maeno, Y., Gegenwart, P.
We use high-resolution capacitive dilatometry to study the low-temperature linear magnetostriction of the bilayer ruthenate Sr$_3$Ru$_2$O$_7$ as a function of magnetic field applied perpendicular to...
AC susceptibility study of superconducting aluminium-doped silicon carbide (2009)
Kriener, M., Muranaka, T., Akimitsu, J., Maeno, Y.
In 2007, type-I superconductivity in heavily boron-doped silicon carbide was discovered. The question arose, if it is possible to achieve a superconducting phase by introducing dopants different from...
Angular dependence of the upper critical field of Sr2RuO4 (2009)
Kittaka, S., Nakamura, T., Aono, Y., Yonezawa, S., Ishida, K., Maeno, Y.
One of the remaining issues concerning the spin-triplet superconductivity of Sr2RuO4 is the strong limit of the in-plane upper critical field Hc2 at low temperatures. In this study, we clarified the...
Anomalous Transport through the p-Wave Superconducting Channel in the 3-K Phase of Sr2RuO4 (2008)
Kambara, H., Kashiwaya, S., Yaguchi, H., Asano, Y., Tanaka, Y., Maeno, Y.
Using micro fabrication techniques, we extracted individual channels of 3-Kelvin (3-K) phase superconductivity in Sr2RuO4-Ru eutectic systems and confirmed odd-parity superconductivity in the 3-K...
Superconductivity in heavily boron-doped silicon carbide (2008)
Kriener, M., Muranaka, T., Kato, J., Ren, Z. A., Akimitsu, J., Maeno, Y.
The discoveries of superconductivity in heavily boron-doped diamond (C:B) in 2004 and silicon (Si:B) in 2006 renew the interest in the superconducting state of semiconductors. Charge-carrier doping...
Kittaka, S., Yonezawa, S., Yaguchi, H., Maeno, Y., Fittipaldi, R., Vecchione, A., ...
Although Sr3Ru2O7 has not been reported to exhibit superconductivity so far, ac susceptibility measurements revealed multiple superconducting transitions occurring in the Sr3Ru2O7 region cut from...
Superconductivity of hexagonal heavily-boron doped silicon carbide (2008)
Kriener, M., Muranaka, T., Kato, J., Akimitsu, J., Maeno, Y.
In 2004 the discovery of superconductivity in heavily boron-doped diamond (C:B) led to an increasing interest in the superconducting phases of wide-gap semiconductors. Subsequently superconductivity...
High Field ESR in the Two-Dimensional Triangular Lattice Antiferromagnet NiGa2S4 (2008)
Yamaguchi, H., Kimura, S., Hagiwara, M., Nambu, Y., Nakatsuji, S., Maeno, Y., ...
In this Letter, we report the results of ESR measurements in high magnetic fields up to about 53 T on single crystals of NiGa2S4 to clarify the spin dynamics in more detail. We have found that the...
Cleaving-temperature dependence of layered-oxide surfaces (2008)
Pennec, Y., Ingle, N. J. C., Elfimov, I. S, Varene, E., Damascelli, A., Barth, J. V., ...
The surfaces generated by cleaving non-polar, two-dimensional oxides are often considered to be perfect or ideal. However, single particle spectroscopies on Sr2RuO4, an archetypal non-polar two...
High-temperature spin relaxation process in Dy$_2$Ti$_2$O$_7$ probed by $^{47}$Ti-NQR (2008)
Kitagawa, K., Higashinaka, R., Ishida, K., Maeno, Y., Takigawa, M.
We have performed nuclear quadrupole resonance (NQR) experiments on $^{47}$Ti nuclei in Dy$_2$Ti$_2$O$_7$ in the temperature range 70 -- 300 K in order to investigate the dynamics of $4f$ electrons...
Anomalous In-Plane Anisotropy of the Onset of Superconductivity in (TMTSF)2ClO4 (2008)
Yonezawa, Shingo, Kusaba, S, Maeno, Y, Auban-Senzier, P, Pasquier, C, Bechgaard, K, ...
Specific heat and electronic states of superconducting boron-doped silicon carbide (2008)
Kriener, M., Maeno, Y., Oguchi, T., Kato, J., Muranaka, T., ...
The discoveries of superconductivity in the heavily-boron doped semiconductors diamond (C:B) in 2004 and silicon (Si:B) in 2006 have renewed the interest in the physics of the superconducting state...
Anomalous In-Plane Anisotropy of the Onset of Superconductivity in (TMTSF)2ClO4 (2008)
Yonezawa, Shingo, Kusaba, S., Maeno, Y., Auban-Senzier, P., Pasquier, C., Bechgaard, K., ...
We report the magnetic field-amplitude and field-angle dependence of the superconducting onset temperature Tc_onset of the organic superconductor (TMTSF)2ClO4 in magnetic fields H accurately aligned...
Takeya, H., Ishida, K., Kitagawa, K., Ihara, Y., Onuma, K., Maeno, Y., ...
We have performed $^{69,71}$Ga nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) and muon spin rotation/resonance on the quasi two-dimensional antiferromagnet (AFM)...
Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic crystals (2007)
Fittipaldi, R., Vecchione, A., Ciancio, R., Pace, S., Cuoco, M., Stornaiuolo, D., ...
Superconducting behavior has been observed in the Sr2RuO4-Sr3Ru2O7 eutectic system as grown by the flux-feeding floating zone technique. A supercurrent flows across a single interface between Sr2RuO4...
Uruma, M., Sekiyama, A., Fujiwara, H., Yano, M., Fujita, H., Imada, S., ...
We report on experimental data of the three-dimensional bulk Fermi surfaces of the layered strongly correlated Ca1.5Sr0.5RuO4 system. The measurements have been performed by means of hn-depndent...
Takubo, K., Mizokawa, T., Nambu, Y., Onuma, K., Tonomura, H., ...
We have studied the electronic structure of the Ni triangular lattice in NiGa$_2$S$_4$ using photoemission spectroscopy and subsequent model calculations. The cluster-model analysis of the Ni 2$p$...
Upper limit on spontaneous supercurrents in Sr$_2$RuO$_4$ (2007)
Kirtley, J. R., Kallin, C., Hicks, C. W., Liu, Y., Moler, K. A., ...
It is widely believed that the perovskite Sr$_2$RuO$_4$ is an unconventional superconductor with broken time reversal symmetry. It has been predicted that superconductors with broken time reversal...
Field-induced paramagnons at the metamagnetic transition in Ca1.8Sr0.2RuO4 (2007)
Steffens, P., Sidis, Y., Link, P., Schmalzl, K., Nakatsuji, S., Maeno, Y., ...
The magnetic excitations in Ca1.8Sr0.2RuO4 were studied across the metamagnetic transition and as a function of temperature using inelastic neutron scattering. At low temperature and low magnetic...
Lattice dynamics and electron-phonon coupling in Sr2RuO4 (2007)
Braden, M., Reichardt, W., Sidis, Y., Mao, Z., Maeno, Y.
The lattice dynamics in Sr$_2$RuO$_4$ has been studied by inelastic neutron scattering combined with shell-model calculations. The in-plane bond-stretching modes in Sr$_2$RuO$_4$ exhibit a normal...
Magnetoelastic coupling across the metamagnetic transition in Ca2- x Sr x RuO4 (0.2 (2007)
Baier, J, Steffens, P, Schumann, O, Kriener, M, Stark, S, Hartmann, H, ...
Upper limit on spontaneous supercurrents in Sr2RuO4 (2007)
Kirtley, J.R., Kallin, C., Hicks, C.W., Liu, Y., Moler, K.A., ...
It is widely believed that the perovskite Sr2RuO4 is an unconventional superconductor with broken time-reversal symmetry. It has been predicted that superconductors with broken time-reversal symmetry...
Braden, M., Reichardt, W., Sidis, Y., Mao, U., Maeno, Y.
Physical Review B, 76(2007) S.014505/1-10
Formation of a Nematic Fluid at High Fields in Sr3Ru2O7 (2006)
Borzi, R. A., Grigera, S. A., Farrell, J., Perry, R. S., Lister, S. J. S., Lee, S. L., ...
In principle, a complex assembly of strongly interacting electrons can self-organise into a wide variety of collective states, but relatively few such states have been identified in practice. We...
Baier, J., Steffens, P., Schumann, O., Kriener, M., Stark, S., Hartmann, H., ...
The magnetoelastic coupling in Ca$_{1.8}$Sr$_{0.2}$RuO$_4$ and in Ca$_{1.5}$Sr$_{0.5}$RuO$_4$ has been studied combining high-resolution dilatometer and diffraction techniques. Both compounds exhibit...
Spectroscopy of SrRuO/Ru Junctions in Eutectic (2006)
Yaguchi, H., Takizawa, K., Kawamura, M., Kikugawa, N., Maeno, Y., Meno, T., ...
We have investigated the tunnelling properties of the interface between superconducting Sr2RuO4 and a single Ru inclusion in eutectic. By using a micro-fabrication technique, we have made Sr2RuO4/Ru...
Orbital Properties of Sr3Ru2O7 and Related Ruthenates Probed by 17O-NMR (2006)
Kitagawa, K., Ishida, K., Perry, R. S., Murakawa, H., Yoshimura, K., Maeno, Y.
We report a site-separated $^{17}$O-NMR study of the layered perovskite ruthenate Sr$_3$Ru$_2$O$_7$, which exhibits nearly two-dimensional transport properties and itinerant metamagnetism at low...
Observation of a mixed pairing state in Ru microdomains embedded in $Sr_2 Ru O_4$ (2006)
Long, Z., Andreou, C., Mao, Z. Q., Yaguchi, H., Maeno, Y., Liu, Y.
We report first measurements on tunneling into the {\it interior} of a Ru microdomain embedded in bulk chiral p-wave superconductor Sr$_{2}$RuO$_{4}$. The junctions were prepared by pressing a pure...
Kittaka, S., Fusanobori, S., Yonezawa, S., Yaguchi, H., Maeno, Y., Fittipaldi, R., ...
We report superconducting properties of Sr3Ru2O7-Sr2RuO4 eutectic crystals, consisting of the spin-triplet superconductor Sr2RuO4 with a monolayer stacking of RuO2 planes and the metamagnetic normal...
Electronic structures of layered perovskite Sr2MO4 (M=Ru, Rh, and Ir) (2006)
Moon, S. J., Kim, M. W., Kim, K. W., Lee, Y. S., ...
We investigated the electronic structures of the two-dimensional layered perovskite Sr$_{2}$\textit{M}O$_{4}$ (\textit{M}=4\textit{d} Ru, 4\textit{d} Rh, and 5\textit{d} Ir) using optical...
Mann, P. D. A., Sutherland, M., Bergemann, C., Yonezawa, S., Maeno, Y.
We measured the Fermi surface of the recently discovered superconductor Ag5Pb2O6 via a de Haas-van Alphen rotation study. Two frequency branches were observed and identified with the neck and belly...
Thermal conductivity in the vicinity of the quantum critical endpoint in Sr3Ru2O7 (2006)
Ronning, F., Hill, R. W., Sutherland, M., Hawthorn, D. G., Tanatar, M. A., Paglione, J., ...
Thermal conductivity of Sr3Ru2O7 was measured down to 40 mK and at magnetic fields through the quantum critical endpoint at H_c = 7.85 T. A peak in the electrical resistivity as a function of field...
Metallic spin-liquid behavior of the geometrically frustrated Kondo lattice Pr2Ir2O7 (2006)
Nakatsuji, S, Machida, Y, Maeno, Y, Tayama, T, Sakakibara, T, Duijn, J Van, ...
Metamagnetic Quantum Criticality in Sr3Ru2O7 Studied by Thermal Expansion (2006)
Gegenwart, P., Weickert, F., Garst, M., Perry, R. S., Maeno, Y.
Beta-Detected NQR in Zero Field with a Low Energy Beam of \nuc{8}{Li}$^+$ (2005)
Salman, Z., Kiefl, R. F., Chow, K. H., MacFarlane, W. A., Arseneau, D. J., Daviel, S., ...
Beta-detected nuclear quadrupole resonances (\bnqr) at zero field are observed using a beam of low energy highly polarized radioactive \nuc{8}{Li}$^+$. The resonances were detected in SrTiO$_3$,...
Thermodynamic Properties of (Ca,Sr)$_2$RuO$_4$ in Magnetic Fields (2005)
Baier, J., Zabel, T., Kriener, M., Steffens, P., Schumann, O., Friedt, O., ...
We have studied the influence of a magnetic field on the thermodynamic properties of Ca$_{2-x}$Sr$_{x}$RuO$_4$ in the intermediate metallic region with tilt and rotational distortions ($0.2\leq x...
Orbital ordering transition in Ca$_2$RuO$_4$ observed with resonant x-ray diffraction (2005)
Zegkinoglou, I., Strempfer, J., Nelson, C. S., Hill, J. P., Chakhalian, J., Bernhard, C., ...
Resonant x-ray diffraction performed at the $\rm L_{II}$ and $\rm L_{III}$ absorption edges of Ru has been used to investigate the magnetic and orbital ordering in Ca$_2$RuO$_4$ single crystals. A...
Ingle, N. J. C., Shen, K. M., Baumberger, F., Meevasana, W., Lu, D. H., Shen, Z. X., ...
ARPES spectra hold a wealth of information about the many-body interactions in a correlated material. However, the quantitative analysis of ARPES spectra to extract the various coupling parameters in...
Balicas, L., Nakatsuji, S., Hall, D., Lee, H., Fisk, Z., Maeno, Y., ...
We report an electrical transport study in Ca$_{2-x}$Sr$_{x}$RuO$_4$ single crystals at high magnetic fields ($B$). For $x =0.2$, the Hall constant $R_{xy}$ decreases sharply at an anisotropic...
Metamagnetic quantum criticality in Sr3Ru2O7 studied by thermal expansion (2005)
Gegenwart, P., Weickert, F., Garst, M., Perry, R. S., Maeno, Y.
We report low-temperature thermal expansion measurements on the bilayer ruthenate Sr$_3$Ru$_2$O$_7$ as a function of magnetic field applied perpendicular to the Ruthenium-oxide planes. The...
Lee, J. S., Moon, S. J., Noh, T. W., Nakatsuji, S., Maeno, Y.
We investigated optical spectra of quasi-two-dimensional multi-band Ca$% _{2-x} $Sr$_{x}$RuO$_{4}$ systems. The extended Drude model analysis on the ab-plane optical conductivity spectra indicates...
Lupien, C., Dutta, S. K., Barker, B. I., Maeno, Y., Davis, J. C.
Atomic-resolution scanning tunneling spectroscopy is used to study the spectrum of quasiparticle states in superconducting Sr2RuO4. The measured temperature dependence of the quasiparticle spectrum...
High pressure diffraction studies on Ca2RuO4 (2005)
Steffens, P., Friedt, O., Alireza, P., Marshall, W. G., Schmidt, W., Nakamura, F., ...
We studied the crystal and magnetic structure of Ca2RuO4 by different diffraction techniques under high pressure. The observed first order phase transition at moderate pressure (0.5 GPa) between the...
Lattice dynamics and the electron-phonon interaction in Ca$_2$RuO$_4$ (2005)
Rho, H., Cooper, S. L., Nakatsuji, S., Fukazawa, H., Maeno, Y.
We present a Raman scattering study of Ca$_2$RuO$_4$, in which we investigate the temperature-dependence of the lattice dynamics and the electron-phonon interaction below the metal-insulator...
High pressure diffraction studies on Ca2RuO4 (2005)
Steffens, P, Friedt, O, Alireza, P, Marshall, W G, Schmidt, W, Nakamura, F, ...
Braden, M, Friedt, O, Schumann, O, Baier, J, Steffens, P, Kriener, M, ...
Kriener, M, Steffens, P, Baier, J, Schumann, O, Zabel, T, Lorenz, T, ...
The crystal structure of Ca2-xSrxRuO4 with 0.2
Orbital Ordering Transition in Ca2RuO4 Observed with Resonant X-Ray Diffraction (2005)
Zegkinoglou, I., Strempfer, J., Nelson, C. S., Hill, J. P., Chakhalian, J., Bernhard, C., ...
High-pressure diffraction studies on Ca2RuO4 (2005)
Stephens, P., Friedt, O., Marshall, W.G., Schmidt, W., Nakamura, F., Nakatsuji, S., ...
This version is available at the following Publisher URL: http://prb.aps.org
Structural properties of Ca§2§-§xSr§xRuO§4. (2005)
Schumann, O., Steffens, P., Müller, R., Andre, G., Radaelli, P.G., Adelmann, P., ...
Physik seit Albert Einstein : 69.Jahrestagung der DPG, Berlin, 4.-9.März 2005
Magnetic field dependence of the specific heat of Sr§3Ru§2O§7. (2005)
Obermair, F., Pfleiderer, C., Raychaudhuri, P., Perry, R.S., Maeno, Y.
Internat.Conf.on Strongly Correlated Electron Systems (SCES '04), Karlsruhe, July 26-30, 2004
Magnetic field dependence of the specific heat of Sr§3Ru§2O§7. (2005)
Obermair, F., Pfleiderer, C., Raychaudhuri, P., Perry, R.S., Maeno, Y.
Physica B, 359-361(2005) S. 1273-75
Electronic structure and evolution of the orbital state in metallic Ca§2§-§xSr§xRuO§4. (2005)
Noh, H.J., Oh, S.J., Park, B.G., Park, J.H., Kim, J.Y., Kim, H.D., ...
Physical Review B, 72(2005) S.052411/1-4
Disorder-Sensitive Phase Formation Linked to Metamagnetic Quantum Criticality (2004)
Grigera,S. A., Gegenwart,P., Borzi,R. A., Weickert,F., Schofield,A. J., Perry,R. S., ...
Kawamura, M., Yaguchi, H., Kikugawa, N., Maeno, Y., Takayanagi, H.
We have investigated the magnetic field and temperature dependence of the tunneling spectra of the eutectic system Sr2RuO4-Ru. Electric contacts to individual Ru lamellae embedded in Sr2RuO4 enable...
Low-Temperature Hall Effect in Substituted Sr2RuO4 (2004)
Kikugawa, N., Mackenzie, A. P., Bergemann, C., Maeno, Y.
We report the results of a study of the Hall effect and magnetoresistance in single crystals of Sr2RuO4 in which Sr^(2+) has been substituted by La^(3+) (Sr(2-y)La(y)RuO(4)) or Ru^(4+) by Ti^(4+)...
Mechanism of hopping transport in disordered Mott insulators (2004)
Nakatsuji, S., Dobrosavljevic, V., Tanaskovic, D., Minakata, M., Fukazawa, H., Maeno, Y.
By using a combination of detailed experimental studies and simple theoretical arguments, we identify a novel mechanism characterizing the hopping transport in the Mott insulating phase of...
Kriener, M., Steffens, P., Baier, J., Schumann, O., Zabel, T., Lorenz, T., ...
The crystal structure of Ca_{2-x}Sr_xRuO_4 with 0.2 < x < 1.0 has been studied by diffraction techniques and by high resolution capacitance dilatometry as a function of temperature and magnetic...
Multiple first-order metamagnetic transitions and quantum oscillations in ultrapure Sr3Ru2O7 (2004)
Perry, RS, Kitagawa, K, Grigera, SA, Borzi, RA, Mackenzie, AP, Ishida, K, ...
Systematic approach to the growth of high-quality single-crystals of Sr3Ru2O7 (2004)
We describe a simple procedure for optimising the growth condition for high quality single crystals of the strontium ruthenate perovskites using an image furnace. The procedure involves carefully...
The de Haas-van Alphen effect across the metamagnetic transition in Sr$_3$Ru$_2$O$_7$ (2004)
Borzi, R. A., Grigera, S. A., Perry, R. S., Kikugawa, N., Kitagawa, K., Maeno, Y., ...
We report a study of the de Haas-van Alphen (dHvA) effect on the itinerant metamagnet Sr$_3$Ru$_2$O$_7$. Extremely high sample purity allows the observation of dHvA oscillations both above and below...
Rigid-Band Shift of the Fermi Level in a Strongly Correlated Metal: Sr(2-y)La(y)RuO(4) (2004)
Kikugawa, N., Mackenzie, A. P., Bergemann, C., Borzi, R. A., Grigera, S. A., Maeno, Y.
We report a systematic study of electron doping of Sr2RuO4 by non-isovalent substitution of La^(3+) for Sr^(2+). Using a combination of de Haas-van Alphen oscillations, specific heat, and resistivity...
Multiple first-order metamagnetic transitions and quantum oscillations in ultrapure (2004)
Perry, R. S., Kitagawa, K., Grigera, S. A., Borzi, R. A., Mackenzie, A. P., Ishida, K., ...
We present measurements on ultra clean single crystals of the bilayered ruthenate metal Sr3Ru2O7, which has a magnetic-field-tuned quantum critical point. Quantum oscillations of differing...
Disorder-Sensitive Phase Formation Linked to Metamagnetic Quantum Criticality (2004)
Grigera, S. A., Gegenwart, P., Borzi, R. A., Weickert, F., Schofield, A. J., Perry, R. S., ...
Magnetische und Kristallstruktur von Ca§2§-§xSr§xRuO§4. (2004)
Schumann, O., Friedt, O., Steffens, P., Müller, R., Andre, G., Adelmann, P., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Fachverband Tiefe Temperaturen, Regensburg, 8.-12.März 2004 (Poster)
Mizokawa, T., Tjeng, L.H., Lin, H.J., Chen, C.T., Schuppler, S., Nakatsuji, S., ...
Physical Review B, 69(2004) S.132410/1-4
Strongly Enhanced Magnetic Fluctuations in a Heavy-mass Layered Ruthenate (2003)
Friedt, O., Steffens, P., Braden, M., Sidis, Y., Nakatsuji, S., Maeno, Y.
We have studied the magnetic excitations in Ca$_{2-x}$Sr$_x$RuO$_4$, x=0.52 and 0.62, which exhibit an anomalous high susceptibility and heavy mass Fermi liquid behavior. Our inelastic neutron...
Ishida, K., Ihara, Y., Maeno, Y., Michioka, C., Kato, M., Yoshimura, K., ...
Co NQR studies were performed in recently discovered superconductor Na$_x$CoO$_2$$\cdot y$H$_2$O to investigate physical properties in the superconducting (SC) and normal states. Two samples from the...
Anisotropy of the incommensurate fluctuations in Sr2RuO4: a study with polarized neutrons (2003)
Braden, M., Steffens, P., Sidis, Y., Kulda, J., Hayden, S., Kikugawa, N., ...
The anisotropy of the magnetic incommensurate fluctuations in Sr2RuO4 has been studied by inelastic neutron scattering with polarized neutrons. We find a sizeable enhancement of the out of plane...
Rho, H., Cooper, S. L., Nakatsuji, S., Fukazawa, H., Maeno, Y.
We use Raman scattering to study spin, charge, and lattice dynamics in various phases of Ca_{2-x}Sr_{x}RuO_{4}. With increasing substitution of Ca by Sr in the range 0 =< x < 0.2, we observe (1)...
Angular dependence of the magnetic susceptibility in the itinerant metamagnet Sr3Ru2O7 (2003)
Grigera, S. A., Borzi, R. A., Julian, S. R., Perry, R. S., Maeno, Y., Mackenzie, A. P.
We report the results of a study of the di erential magnetic susceptibility of Sr3Ru2O7 as a function of temperature and magnetic elds applied at a series of angles to the ab plane. By analysing the...
Capogna, L., Forgan, E. M., Hayden, S. M., Wildes, A., Duffy, J. A., Mackenzie, A. P., ...
We report an observation of two-dimensional incommensurate magnetic fluctuations in the layered metallic perovskite Sr3Ru2O7. The wave vectors where the magnetic fluctuations are strongest are...
Phasendiagramm von Ca§2§-§xSr§xRuO§4. (2003)
Steffens, P., Friedt, O., Braden, M., Lorenz, T., Baier, J., Adelmann, P., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Fachverband Tiefe Temperaturen (TT), Dresden, 24.-28. März 2003
Temperature-dependent O1s NEXAFS of lightly doped Ca§2RuO§4. (2003)
Schuppler, S., Nücker, N., Mizokawa, T., Arena, D., Dvorak, J., Idzerda, Y.U., ...
National Synchrotron Light Source Activity Report for the Period October 1, 2001 through September 30, 2002
Neutron-diffraction study of the crystal structure of Ca§1§.§5Sr§0§.§5RuO§4. (2003)
Friedt, O., Braden, M., Andre, G., Nakatsuji, S., Maeno, Y.
Applied Physics A, 74(2002) Suppl., S.S1627-S1629
Kikugawa, N., Bergemann, C., Mackenzie, A. P., Maeno, Y.
We report a study of magnetic, thermal, and transport properties of La(3+) substituted Sr2RuO4, performed in order to investigate the effects of additional electron doping in this correlated metal. A...
Electron and orbital correlations in Ca_{2-x}Sr_{x}RuO_{4} probed by optical spectroscopy (2002)
Lee, J. S., Lee, Y. S., Noh, T. W., Yu, Jaejun, Nakatsuji, S., ...
The doping and temperature dependent optical conductivity spectra of the quasi-two-dimensional Ca_{2-x}Sr_xRuO_4 (0.0=
Critical end-point and metamagnetic quantum criticality in Sr3Ru2O7 (2002)
Chiao, May, Pfleiderer, C., Daou, R., McCollam, A., Julian, S. R., Lonzarich, G. G., ...
We report a metamagnetic critical point at (B*,T*)=(5.1T,1.1K) for magnetic fields applied perpendicular to the (tetragonal) c-axis of Sr3Ru2O7. First-order behaviour well below T* indicates that...
Snow, C. S., Cooper, S. L., Cao, G., Crow, J. E., Fukazawa, H., Nakatsuji, S., ...
We report a Raman scattering study of the pressure-induced collapse of the Mott-like phases of Ca_3Ru_2O_7 (T_N=56 K) and Ca_2RuO_4 (T_N=110 K). The pressure-dependence of the phonon and two-magnon...
Inelastic neutron scattering study of magnetic excitations in Sr$_2$RuO$_4$ (2002)
Braden, M., Sidis, Y., Bourges, P., Pfeuty, P., Kulda, J., Mao, Z., ...
Magnetic excitations in \srruo ~ have been studied by inelastic neutron scattering. The magnetic fluctuations are dominated by incommensurate peaks related to the Fermi surface nesting of the...
Gukasov, A., Braden, M., Papoular, R. J., Nakatsuji, S., Maeno, Y.
By means of polarized neutron diffraction in a magnetic field of 7.0 T at 1.6 K an anomalously large magnetization density is observed on the in-plane oxygen in Ca$_{1.5}$Sr$_{0.5}$RuO$_4$....
Universal heat transport in Sr2RuO4 (2002)
Suzuki, M, Tanatar, MA, Kikugawa, N, Mao, ZQ, Maeno, Y, Ishiguro, T
Photoemission spectra of Sr_2 RuO_4 and its relation to anisotropic transport (2002)
Kaminski, A., Sato, T., Takahashi, T., Maeno, Y., ...
This paper has been withdrawn by the authors. We are in the process of obtaining more data and will resubmit a modified manuscript in the near future.
Elastic Tensor of Sr$_2$RuO$_4$ (2002)
Paglione, Johnpierre, Lupien, C., MacFarlane, W. A., Perz, J. M., Taillefer, Louis, Mao, Z. Q., ...
The six independent elastic constants of Sr$_2$RuO$_4$ were determined using resonant ultrasound spectroscopy on a high-quality single-crystal specimen. The constants are in excellent agreement with...
Magnetic anisotropy of the spin-ice compound Dy2Ti2O7 (2002)
Fukazawa, H, Melko, RG, Higashinaka, R, Maeno, Y, Gingras, MJP
Capogna, L., Forgan, E. M., Hayden, S. M., Wildes, A., Duffy, J. A., Mackenzie, A. P., ...
We report the first observation of two-dimensional incommensurate magnetic fluctuations in the layered metallic perovskite Sr3Ru2O7. The wavevectors where the magnetic fluctuations are strongest are...
Cyclotron resonance in the layered perovskite superconductor Sr2RuO4 (2002)
Rzepniewski, Eva, Edwards, Rachel S., Singleton, John, Ardavan, Arzhang, Maeno, Y.
We report a detailed study of the magnetic-field-orientation dependence of the millimetre-wave magnetoconductivity of the superconductor Sr2RuO4 We find two harmonic series of cyclotron resonances....
Universal Heat Transport in Sr2RuO4 (2002)
Suzuki, M., Tanatar, M. A., Kikugawa, N., Mao, Z. Q., Maeno, Y., Ishiguro, T.
We present the temperature dependence of the thermal conductivity kappa(T) of the unconventional superconductor Sr_2RuO_4 down to low temperatures (100 mK). In T -> 0 K limit we found a finite...
Metamagnetic transition and low-energy spin density fluctuations in Sr3Ru2O7 (2002)
Capogna, L., Forgan, E. M., Hayden, S. M., McIntyre, G., Wildes, A., Mackenzie, A. P., ...
Structural and magnetic aspects of the metal-insulator transition in Ca§2§-§xSr§xRuO§4. (2002)
Friedt, O., Braden, M., Andre, G., Adelmann, P., Nakatsuji, S., Maeno, Y.
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Regensburg, 11.-15.März 2002
Orbital state, spin-orbit coupling and phase transitions in ruthenates. (2002)
Tjeng, L.H., Mizokawa, T., Sawatzky, G.A., Ghiringhelli, G., Tjernberg, O., Brookes, N.B., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Regensburg, 11.-15.März 2002
Incommensurate magnetic ordering in Sr§2Ru§1§-§xTi§xO§4. (2002)
Braden, M., Friedt, O., Sidis, Y., Bourges, P., Minakata, M., Maeno, Y.
Physical Review Letters, 88(2002) S.197002/1-4
Gukasov, A., Braden, M., Papoular, R.J., Nakatsuji, S., Maeno, Y.
Physical Review Letters, 89(2002) S.087202/1-4
Inelastic neutron scattering study of magnetic excitations in Sr§2RuO§4. (2002)
Braden, M., Sidis, Y., Bourges, P., Pfeuty, P., Kulda, J., Mao, Z., ...
Physical Review B, 66(2002) S.064522/1-11
Magnetic anisotropy of the spin ice compound Dy2Ti2O7 (2001)
Fukazawa, H., Melko, R. G., Higashinaka, R., Maeno, Y., Gingras, M. J. P.
We report magnetization and ac susceptibility of single crystals of the spin ice compound Dy2Ti2O7. Saturated moments at 1.8 K along the charasteristic axes [100] and [110] agree with the expected...
Incommensurate magnetic ordering in Sr_2Ru_(1-x)Ti_xO_4 (2001)
Braden, M., Friedt, O., Sidis, Y., Bourges, P., Minakata, M., Maeno, Y.
In $\rm Sr_2RuO_4$ the spin excitation spectrum is dominated by incommensurate fluctuations at q=(0.3 0.3 q$_z$), which arise from Fermi-surface nesting. We show that upon Ti substitution, known to...
Metal-Nonmetal Changeover in Pyrochlore Iridates (2001)
We report the low temperature properties of a new series of pyrochlore iridates R2Ir2O7 (R = rare-earth elements). We found that the compounds with R = Pr, Sm, Nd, and Eu exhibit metallic...
Surface electronic structure of Sr2RuO4 (2001)
Shen, K. M., Damascelli, A., Lu, D. H., Armitage, N. P., Ronning, F., Feng, D. L., ...
We have addressed the possibility of surface ferromagnetism in Sr2RuO4 by investigating its surface electronic states by angle-resolved photoemission spectroscopy (ARPES). By cleaving samples under...
Anisotropy of magnetothermal conductivity in Sr2RuO4 (2001)
Tanatar, M. A., Suzuki, M., Nagai, S., Mao, Z. Q., Maeno, Y., Ishiguro, T.
The dependence of in-plane and interplane thermal conductivities of Sr2RuO4 on temperature, as well as magnetic field strength and orientation, is reported. We found no notable anisotropy in the...
Quasi-particle Density in Sr2RuO4 Probed by means of the Phonon Thermal Conductivity (2001)
Suzuki, M., Tanatar, M. A., Mao, Z. Q., Maeno, Y., Ishiguro, T.
The thermal conductivity of Sr2RuO4 along the least conducting direction perpendicular to the RuO2 plane has been studied down to 0.3 K. In this configuration the phonons remain the dominant heat...
Sign reversal of the oxygen isotope effect on T-c in Sr2RuO4 (2001)
Mao, ZQ, Maeno, Y, Mori, Y, Sakita, S, Nimori, S, Udagawa, M
Observation of Andreev Surface Bound States in the 3-K phase Region of Sr_2RuO_4 (2001)
Mao, Z. Q., Nelson, K. D., Jin, R., Liu, Y., Maeno, Y.
The tunneling spectrum of the superconducting phase with T_c ~ 3.0 K has been measured in the Ru-embedded region of Sr_2RuO_4 using cleaved junctions. A sharp zero-bias conductance peak (ZBCP) has...
Magnetic ordering in Sr2RuO4 induced by nonmagnetic impurities (2001)
We report unusual effects of nonmagnetic impurities on the spin-triplet superconductor Sr2RuO4. The substitution of nonmagnetic Ti4+ for Ru4+ induces localized-moment magnetism characterized by...
Lupien, C., MacFarlane, W. A., Proust, Cyril, Taillefer, Louis, Mao, Z. Q., Maeno, Y.
We present a study of the electronic ultrasound attenuation $\alpha$ in the unconventional superconductor Sr$_2$RuO$_4$ . The power law behavior of $\alpha$ at temperatures down to $T_c/30$ clearly...
Anisotropy of Magnetothermal Conductivity in Sr2RuO4 (2001)
Maeno, Y., Mao, Z. Q., Nagai, S., Suzuki, M., Tanatar, M. A.
Point-contact spectroscopy studies on superconducting Sr§2RuO§4: experiment and theory. (2001)
Laube, F., Goll, G., Löhneysen, H.von, Fogelström, M., Lichtenberg, F., Mao, Z.Q., ...
65.Physikertagung gemeinsam mit der Frühjahrstagung des Arbeitskreises Festkörperphysik der DPG, Hamburg, 26.-30. März 2001
Structural and magnetic aspects of the metal-insulator transition in Ca§2§-§xSr§xRuO§4. (2001)
Friedt, O., Braden, M., Andre, G., Adelmann, P., Nakatsuji, S., Maeno, Y.
Internat.Conf.on Neutron Scattering (ICNS 2001), München, September 9-13, 2001
Investigation of Sr§2RuO§4/Pt point contact in zero and applied magnetic fields. (2001)
Löhneysen, H.von, Laube, F., Goll, G., Fogelström, M., Lichtenberg, F., Maeno, Y.
Conf.on Spectroscopies of Novel Superconductors (SNS 2001), Chicago, Ill., May 12-16, 2001
Structural and magnetic aspects of the metal-insulator transition in Ca§2§-§xSr§xRuO§4. (2001)
Friedt, O., Braden, M., Andre, G., Adelmann, P., Nakatsuji, S., Maeno, Y.
Physical Review B, 63(2001) S.174432/1-10
Electronic structure and metal-insulator transition of Ca§2§-§xSr§xRuO§4 studied by NEXAFS. (2001)
Gerhold, S., Pellegrin, E., Kuntscher, C.A., Nücker, N., Schuppler, S., Stadler, S., ...
National Synchrotron Light Source Activity Report for the Period October 1, 1999 through September 30, 2000
Fermi surface of Sr2RuO4 from angle resolved photoemission (2000)
Damascelli, A., Shen, K. M., Lu, D. H., Armitage, N. P., Ronning, F., Feng, D. L., ...
We investigated the low-energy electronic structure of Sr2RuO4 by angle-resolved photoemission spectroscopy (ARPES) focusing, in particular, on the controversial issues of the Fermi surface (FS)...
Fermi Surface, Surface States, and Surface Reconstruction in Sr2RuO4 (2000)
Damascelli, A., Lu, D. H., Shen, K. M., Armitage, N. P., Ronning, F., Feng, D. L., ...
The electronic structure of Sr2RuO4 is investigated by high angular resolution ARPES at several incident photon energies. We address the controversial issues of the Fermi surface (FS) topology and of...
A polarized neutron-scattering study of the Cooper-pair moment in Sr2RuO4 (2000)
Duffy, J. A., Hayden, S. M., Maeno, Y., Mao, Z., Kulda, J., McIntyre, G. J.
We report a study of the magnetization density in the mixed state of the unconventional superconductor S2RuO4. On entering the superconducting state we find no change in the magnitude or distribution...
Perry, R. S., Galvin, L. M., Grigera, S. A., Capogna, L., Schofield, A. J., Mackenzie, A. P., ...
We report the results of low temperature transport, specific heat and magnetisation measurements on high quality single crystals of the bilayer perovskite Sr3Ru2O7, which is a close relative of the...
Structural and magnetic aspects of the metal insulator transition in Ca$_{2-x}$Sr$_x$RuO$_4$ (2000)
Friedt, O., Braden, M., Andre, G., Adelmann, P., Nakatsuji, S., Maeno, Y.
The phase diagram of Ca$_{2-x}$Sr$_x$RuO$_4$ has been studied by neutron diffraction on powder and single-crystalline samples. The experiments reveal antiferromagnetic order and structural...
Kealey, P. G., Riseman, T. M., Forgan, E. M., Galvin, L. M., Mackenzie, A. P., Lee, S. L., ...
We have measured the diffracted neutron scattering intensities from the square magnetic flux lattice in the perovskite superconductor Sr$_2$RuO$_4$, which is thought to exhibit p-wave pairing with a...
Vortex lattice structures and pairing symmetry in Sr2RuO4 (2000)
Agterberg, D. F., Heeb, R., Kealey, P. G., Riseman, T. M., Forgan, E. M., Mackenzie, A. P., ...
Recent experimental results indicate that superconductivity in Sr2RuO4 is described by the p-wave E_u representation of the D_{4h} point group. Results on the vortex lattice structures for this...
Mota, A. C., Dumont, E., Amann, A., Maeno, Y.
We have found a sharp transition in the vortex creep rates at a temperature T^\ast=0.05 T_c in a single crystal of Sr_2RuO_4 (T_{c}=1.03 K) by means of magnetic relaxation measurements. For T
Evidence for Incommensurate spin fluctuations in Sr§2RuO§4. (2000)
Sidis, Y., Braden, M., Bourges, P., Hennion, B., Nishizaki, S., Maeno, Y., ...
Physical Review Letters, 83(1999) S.3320-23
Rastertunnelmikroskopie und -spektroskopie von Sr§2RuO§4. (2000)
Ade, D., Schuppler, S., Nakatsuji, S., Fukazawa, H., Maeno, Y.
Frühjahrstagung des Arbeitskreises Festkörperphysik bei der DPG, Regensburg, 26.-31.März 2000
Site specific X-ray absorption of Ca§2§-§xSr§xRuO§4. (2000)
Gerhold, S., Pellegrin, E., Kuntscher, C.A., Nücker, N., Schuppler, S., Schweiss, P., ...
18th General Conf.of the Condensed Matter Division of the European Physical Society, Montreux, CH, March 13-17, 2000
Scanning tunneling microscopy and spectroscopy of Sr§2RuO§4. (2000)
Ade, D., Schuppler, S., Nakatsuji, S., Fukazawa, H., Maeno, Y.
18th General Conf.of the Condensed Matter Division of the European Physical Society, Montreux, CH, March 13-17, 2000
Selection Rule in Josephson Coupling between In and Sr2RuO4 (1999)
Jin, R., Liu, Y., Mao, Z. Q., Maeno, Y.
We have studied the Josephson coupling between a conventional s-wave superconductor (In) and Sr2RuO4 and found that the coupling is allowed in the in-plane direction, but not along the c axis. This...
Detailed Topography of the Fermi Surface of Sr2RuO4 (1999)
Bergemann, C., Julian, S. R., Mackenzie, A. P., NishiZaki, S., Maeno, Y.
We apply a novel analysis of the field and angle dependence of the quantum-oscillatory amplitudes in the unconventional superconductor Sr2RuO4 to map its Fermi surface in unprecedented detail, and to...
Cyclotron Resonance in the Layered Perovskite Superconductor Sr2RuO4 (1999)
Hill, S., Brooks, J. S., Mao, Z. Q., Maeno, Y.
We have measured the cyclotron masses in Sr2RuO4 through the observation of periodic-orbit-resonances - a magnetic resonance technique closely related to cyclotron resonance. We obtain values for the...
Evidence for incommensurate spin fluctuations in Sr_2RuO_4 (1999)
Sidis, Y., Braden, M., Bourges, P., Nishizaki, B. Hennion. S., Maeno, Y., Mori, Y.
We report first inelastic neutron scattering measurements in the normal state of Sr_2RuO_4 that reveal the existence of incommensurate magnetic spin fluctuations located at ${\bf q}_0=(\pm 0.6\pi/a,...
Inelastic neutron scattering studies on Sr§2RuO§4. (1999)
Braden, M., Sidis, Y., Bourges, P., Hennion, B., Reichardt, W., Nishizaki, S., ...
22nd Internat.Conf.on Low Temperature Physics (LT22), Espoo and Helsinki, August 4-11, 1999
Quantum Oscillations and Overcritical Torque Interaction in Sr2RuO4 (1998)
Bergemann, C., Julian, S. R., Mackenzie, A. P., Tyler, A. W., Farrell, D. E., Maeno, Y., ...
Sr2RuO4 is the only known layered perovskite oxide superconductor without copper; there is strong evidence for an unconventional ("p-wave") pairing mechanism, and it has recently been shown to...
Time-Reversal Symmetry Breaking Superconductivity in Sr2RuO4 (1998)
Luke, G. M., Fudamoto, Y., Kojima, K. M., Larkin, M. I., Merrin, J., Nachumi, B., ...
We report muon spin relaxation measurements on the superconductor Sr2RuO4 that reveal the spontaneous appearance of an internal magnetic field below the transition temperature: the appearance of such...
Kristallstruktur und Magnetismus in A§2RuO§4 (A=Sr,Ca). (1998)
Braden, M., Andre, G., Nakatsuji, S., Maeno, Y.
6.Jahrestagung der Deutschen Gesellschaft für Kristallographie (DGK), Karlsruhe, 2.-5.März 1998
Braden, M., Andre, G., Nakatsuji, S., Maeno, Y.
Physical Review B, 58(1998) S.847-61
Structural analysis of Sr§2RuO§4. (1997)
Braden, M., Moudden, A.H., Nishizaki, S., Maeno, Y., Fujita, T.
Physica C, 273(1997) S.248-54
Thermal expansion derived lattice instabilities near maximum T§c in high-T§c cuprates. (1992)
Lang, M., Kuersch, R., Steglich, F., Wolf, T., Maeno, Y., Kumagai, K., ...
Proc.of the 3rd Internat.Conf.on Materials and Mechanisms of Superconductivity High-Temperature Superconductors (M2S-HTSC), Kanazawa, J, July 22 - 26, 1991 Part II
Lattice instabilities in cuprate superconductors: a possible limiting mechanism for T§c. (1992)
Lang, M., Kuersch, R., Grauel, A., Geibel, C., Steglich, F., Rietschel, H., ...
Physical Review Letters, 69(1992) S.482-85
LOW-TEMPERATURE SPECIFIC HEAT OF AN ANTIFERROMAGNETIC DENSE-KONDO COMPOUND CePdIn (1988)
Satoh, K., Maeno, Y., Fujita, T., Uwatoko, Y., Fujii, H.
Specific heat of a dense-Kondo compound CePdIn was measured down to 60 mK. Two anomalies in C/T were found at 1.7 and 0.9 K, and are discussed in terms of antiferromagnetic transition and formation...
LOW-TEMPERATURE SPECIFIC HEAT OF AN ANTIFERROMAGNETIC DENSE-KONDO COMPOUND CePdIn (1988)
Satoh, K., Maeno, Y., Fujita, T., Uwatoko, Y., Fujii, H.
Specific heat of a dense-Kondo compound CePdIn was measured down to 60 mK. Two anomalies in C/T were found at 1.7 and 0.9 K, and are discussed in terms of antiferromagnetic transition and formation...
LOW-TEMPERATURE SPECIFIC HEAT OF AN ANTIFERROMAGNETIC DENSE-KONDO COMPOUND CePdIn (1988)
Satoh, K., Maeno, Y., Fujita, T., Uwatoko, Y., Fujii, H.
Specific heat of a dense-Kondo compound CePdIn was measured down to 60 mK. Two anomalies in C/T were found at 1.7 and 0.9 K, and are discussed in terms of antiferromagnetic transition and formation...
Expression of occludin, tight-junction-associated protein, in human digestive tract.
Kimura, Y., Shiozaki, H., Hirao, M., Maeno, Y., Doki, Y., Inoue, M., ...
The tight junction seals cells together at a subapical location and functionally separates the plasma membrane into an apical and a basolateral domain. This junction is one of the most characteristic...
Maeno, Y, Boutin, C, Hornberger, L, McCrindle, B, Cavalle-Garrido, T, Gladman, G, ...
OBJECTIVES—To determine the accuracy of prenatal diagnosis of pulmonary atresia and intact ventricular septum (PAIVS), and pulmonary stenosis, including prenatal detection of ventriculocoronary...
Maeno, Y, Benson, L, McLaughlin, P, Boutin, C
OBJECTIVE—To define by three dimensional echocardiography the pattern and potential determinants of contraction of a secundum atrial septal defect through the cardiac cycle, and to evaluate the...