Y. Sidis

Publication List Details

Period

1997 - 2009

Number

101

Co-Authors

Normal-State Spin Dynamics and Temperature-Dependent Spin Resonance Energy in an Optimally Doped Iron Arsenide Superconductor (2009)

Inosov, D. S., Park, J. T., Bourges, P., Sun, D. L., Sidis, Y., Schneidewind, A., ...

The proximity of superconductivity and antiferromagnetism in the phase diagram of iron arsenides, the apparently weak electron-phonon coupling and the "resonance peak" in the superconducting spin...

Magnetic-field-enhanced incommensurate magnetism in the underdoped high-temperature superconductor YBa(2)Cu(3)O(6.45) (2009)

Haug, D., Hinkov, V., Suchaneck, A., Inosov, D. S., Christensen, N. B., Niedermayer, Ch., ...

We present a neutron-scattering study of the static and dynamic spin correlations in the underdoped high-temperature superconductor YBa(2)Cu(3)O(6.45) in magnetic fields up to 15 T. The field...

Magnetic correlations in La2-xSrxCoO4 studied by neutron scattering : possible evidence for stripe phases (2008)

Cwik, M., Benomar, M., Finger, T., Sidis, Y., Senff, D., Lorenz, T., ...

Spin correlations in LSCO have been studied by neutron scattering. The commensurate antiferromagnetic order of the parent compound persists on a very short range up to a Sr content of x=0.3, whereas...

Electronic liquid crystal state in the high-temperature superconductor YBCO(6.45) (2008)

Hinkov, V., Haug, D., Fauque, B., Bourges, P., Sidis, Y., Ivanov, A., ...

Electronic phases with symmetry properties matching those of conventional liquid crystals have recently been discovered in transport experiments on semiconductor heterostructures and metal oxides at...

Spin dynamics in the pseudogap state of a high-temperature superconductor (2008)

Hinkov, V., Bourges, P., Pailhes, S., Sidis, Y., Ivanov, A., Frost, C. D., ...

The pseudogap is one of the most pervasive phenomena of high temperature superconductors. It is attributed either to incoherent Cooper pairing setting in above the superconducting transition...

Observation of Magnetic Order in a ${\rm YBa_2Cu_3O_{6.6}}$ Superconductor (2008)

Mook, H. A., Sidis, Y., Fauqué, B., Balédent, V., Bourges, P.

Polarized beam neutron scattering measurements on a highly perfect crystal of ${\rm YBa_2Cu_3O_{6.6}}$ show a distinct magnetic transition with an onset at about 235K, the temperature expected for...

Electronic Liquid Crystal State in the High-Temperature Superconductor YBa₂Cu₃O6.45 (2008)

Hinkov, V., Haug, D., Fauqué, B., Bourges, P., Sidis, Y., Ivanov, A., ...

Electronic phases with symmetry properties matching those of conventional liquid crystals have recently been discovered in transport experiments on semiconductor heterostructures and metal oxides at...

Electronic Liquid Crystal State in the High-Temperature Superconductor YBa₂Cu₃O6.45 (2008)

Hinkov, V., Haug, D., Fauqué, B., Bourges, P., Sidis, Y., Ivanov, A., ...

Electronic phases with symmetry properties matching those of conventional liquid crystals have recently been discovered in transport experiments on semiconductor heterostructures and metal oxides at...

Melting of magnetic correlations in charge-orbital ordered La(0.5)Sr(1.5)MnO(4) : competition of ferro and antiferromagnetic states (2008)

Senff, D., Schumann, O., Benomar, M., Kriener, M., Lorenz, T., Sidis, Y., ...

The magnetic correlations in the charge- and orbital-ordered manganite La(0.5)Sr(1.5)MnO(4) have been studied by elastic and inelastic neutron scattering techniques. Out of the well-defined CE-type...

Diagonal and Collinear Incommensurate Spin Structures in underdoped La$_{2-x}$Ba$_{x}$CuO$_{4}$ (2007)

Dunsiger, S. R., Zhao, Y., Gaulin, B. D., Qiu, Y., Bourges, P., Sidis, Y., ...

We have studied incommensurate spin ordering in single crystal underdoped La_{2-x}Ba_{x}CuO_{4} with x~0.08, 0.05 and 0.025 using neutron scattering techniques. Static incommensurate magnetic order...

Biaxial Strain in the Hexagonal Plane of MnAs Thin Films: The Key to Stabilize Ferromagnetism to Higher Temperature (2007)

Garcia, V., Sidis, Y., Marangolo, M., Vidal, F., Eddrief, M., Bourges, P., ...

The alpha-beta magneto-structural phase transition in MnAs/GaAs(111) epilayers is investigated by elastic neutron scattering. The in-plane parameter of MnAs remains almost constant with temperature...

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...

Absence of an isotope effect in the magnetic resonance in high-$T_c$ superconductors (2007)

Pailhès, S., Bourges, P., Sidis, Y., Bernhard, C., Keimer, B., Lin, C. T., ...

An inelastic neutron scattering experiment has been performed in the high-temperature superconductor $\rm YBa_2Cu_3O_{6.89}$ to search for an oxygen-isotope shift of the well-known magnetic resonance...

Resonant magnetic excitations at high energy in superconducting $\bf YBa_2Cu_3O_{6.85}$ (2007)

Pailhes, S., Sidis, Y., Bourges, P., Hinkov, V., Ivanov, A., Ulrich, C., ...

A detailed inelastic neutron scattering study of the high temperature superconductor $\rm YBa_2Cu_3O_{6.85}$ provides evidence of new resonant magnetic features, in addition to the well known...

Two resonant magnetic modes in an overdoped high-$\bf T_c$ superconductor (2007)

Pailhes, S., Sidis, Y., Bourges, P., Ulrich, C., Hinkov, V., Regnault, L. P., ...

A detailed inelastic neutron scattering study of the overdoped high temperature copper oxide superconductor ${Y_{0.9}Ca_{0.1}Ba_{2}Cu_3O_{7}}$ reveals two distinct magnetic resonant modes in the...

Dispersion of the odd magnetic resonant mode in near-optimally doped Bi2Sr2CaCu2O8+d (2007)

Fauqué, B., Sidis, Y., Capogna, L., Ivanov, A., Hradil, K., Ulrich, C., ...

We report a neutron scattering study of the spin excitation spectrum in the superconducting state of slightly overdoped Bi2Sr2CaCu2O8+d system (Tc=87 K). We focus on the dispersion of the resonance...

Spin dynamics in the pseudogap state of a high-temperature superconductor (2007)

Hinkov, V, Bourges, P, Pailhès, S, Sidis, Y, Ivanov, A, Frost, CD, ...

The pseudogap is one of the most pervasive phenomena of high-temperature superconductors1. It is attributed either to incoherent Cooper pairing setting in above the superconducting transition...

Magnetic Resonant excitations in High-{$\rm T_c$} superconductors (2006)

Sidis, Y., Pailhès, S., Keimer, B., Bourges, P., Ulrich, C., Regnault, L. P.

The observation of an unusual spin resonant excitation in the superconducting state of various High-Tc ~copper oxides by inelastic neutron scattering measurements is reviewed. This magnetic mode %...

Antiferromagnetic ordering in superconducting ${\bf YBa_2Cu_3O_{6.5}}$ (2006)

Sidis, Y., Ulrich, C., Bourges, P., Bernhard, C., Niedermayer, C., Regnault, L. P., ...

Commensurate antiferromagnetic ordering has been observed in the superconducting high-$Tc$ cuprate ${\rm YBa_{2}Cu_{3}O_{6.5}}$ (${\rm T_{c}}$=55 K) by polarized and unpolarized elastic neutron...

Magnetic resonance peak and nonmagnetic impurities (2006)

Sidis, Y., Bourges, P., Keimer, B., Regnault, L. P., Bossy, J., Ivanov, A., ...

Nonmagnetic Zn impurities are known to strongly suppress superconductivity. We review their effects on the spin excitation spectrum in $\rm YBa_2Cu_3O_{7}$, as investigated by inelastic neutron...

Odd and even magnetic resonant modes in highly overdoped Bi_2 Sr_2 Ca Cu_2 O_{8+delta} (2006)

Capogna, L., Fauque, B., Sidis, Y., Ulrich, C., Bourges, P., Pailhes, S., ...

We present inelastic neutron scattering data on highly overdoped Bi_2 Sr_2 Ca Cu_2 O_{8+\delta} single crystals with superconducting transition temperature T_C=70 K and, for comparison, a nearly...

Magnetic excitations in multiferroic TbMnO3 (2006)

Senff, D., Link, P., Hradil, K., Hiess, A., Regnault, L. P., Sidis, Y., ...

The magnetic excitations in multiferroic TbMnO3 have been studied by inelastic neutron scattering in the spiral and sinusoidally ordered phases. At the incommensurate magnetic zone center of the...

Spin Gap in Optimally-doped YBCO (2006)

Reznik, D., Pintschovius, L., Endoh, Y., Bourges, P., Sidis, Y., Masui, T., ...

Spin gap in optimally-doped YBCO was investigated by inelastic neutron scattering. We found that q-integrated spectral weight in the vicinity of the spin gap has a shape of a step function at 10K...

Quantum statistics of interacting dimer spin systems (2006)

Rüegg, Ch., Normand, Bruce, Matsumoto, M., Niedermayer, Ch., Furrer, A., Krämer, K. W., ...

The compound TlCuCl₃ represents a model system of dimerized quantum spins with strong interdimer interactions. We investigate the triplet dispersion as a function of temperature by inelastic...

Quantum statistics of interacting dimer spin systems (2006)

Rüegg, Ch., Normand, Bruce, Matsumoto, M., Niedermayer, Ch., Furrer, A., Krämer, K. W., ...

The compound TlCuCl₃ represents a model system of dimerized quantum spins with strong interdimer interactions. We investigate the triplet dispersion as a function of temperature by inelastic...

Evidence for two distinct energy scales in the Raman spectra of YBa2(CuNi)O6.95 (2006)

Gallais, Y., Sacuto, A., Bourges, P., Sidis, Y., Forget, A., Colson, D.

We report low energy electronic Raman scattering from Ni-substituted YBa2Cu3O6.95 single crystals with Tc ranging from 92.5 K to 78 K. The fully symmetrical A1g channel and the B1g channel which is...

In-plane anisotropy of spin excitations in the normal and superconducting states of underdoped YBa$_2$Cu$_3$O$_{6+x}$ (2006)

Hinkov, V., Bourges, P., Pailhes, S., Sidis, Y., Ivanov, A., Lin, C. T., ...

A detailed inelastic neutron scattering study of the in-plane anisotropy of magnetic excitations in twin-free YBa$_2$Cu$_3$O$_{6.6}$ ($T_c =$ 61 K) reveals that the spin excitation spectra in the...

Spin gap in optimally-doped YBCO. (2006)

Reznik, D., Pintschovius, L., Endoh, Y., Bourges, P., Sidis, Y., Masui, T., ...

Journal of Physics and Chemistry of Solids, 67(2006) S.509-10

Quantum statistics of interacting dimer spin systems (2005)

Ruegg, C., Normand, B., Matsumoto, M., Niedermayer, A., Furrer, A., Kramer, K.W., ...

The compound TlCuCl3 represents a model system of dimerized quantum spins with strong interdimer interactions. We investigate the triplet dispersion as a function of temperature by inelastic neutron...

Doping Dependence of Bilayer Resonant Spin Excitations in $\bf (Y,Ca)Ba_2Cu_3O_{6+x}$ (2005)

Pailhès, S., Ulrich, C., Fauqué, B., Hinkov, V., Sidis, Y., Ivanov, A., ...

Resonant magnetic modes with odd and even symmetries were studied by inelastic neutron scattering experiments in the bilayer high-$T_c$ superconductor $\rm Y_{1-x}Ca_{x}Ba_2Cu_3O_{6+y}$ over a wide...

Spin-wave dispersion in orbitally ordered La(0.5)Sr(1.5)MnO(4) (2005)

Senff, D., Krueger, F., Scheidl, S., Benomar, M., Sidis, Y., Demmel, F., ...

The magnon dispersion in the charge, orbital and spin ordered phase in La(0.5)Sr(1.5)MnO(4) has been studied by means of inelastic neutron scattering. We find an excellent agreement with a magnetic...

Quantum Statistics of Interacting Dimer Spin Systems (2005)

Rüegg, Ch., Normand, B., Matsumoto, M., Niedermayer, Ch., Furrer, A., Krämer, K. W., ...

The compound TlCuCl3 represents a model system of dimerized quantum spins with strong interdimer interactions. We investigate the triplet dispersion as a function of temperature by inelastic neutron...

Magnetic order in the pseudogap phase of high-$T_C$ superconductors (2005)

Fauque, B., Sidis, Y., Hinkov, V., Pailhes, S., Lin, C. T., Chaud, X., ...

One of the leading issues in high-$T_C$ superconductors is the origin of the pseudogap phase in underdoped cuprates. Using polarized elastic neutron diffraction, we identify a novel magnetic order in...

Absence of an isotope effect in the magnetic resonance in high-$T_c$ superconductors (2005)

Pailhès, S., Bourges, P., Sidis, Y., Bernhard, C., Keimer, B., Lin, C. T., ...

An inelastic neutron scattering experiment has been performed in the high-temperature superconductor $\rm YBa_2Cu_3O_{6.89}$ to search for an oxygen-isotope shift of the well-known magnetic resonance...

Magnetic ordering and spin waves in $\bf Na_{0.82}CoO_2$ (2004)

Bayrakci, S. P., Mirebeau, I., Bourges, P., Sidis, Y., Enderle, M., Mesot, J., ...

Na$_x$CoO$_2$, the parent compound of the recently synthesized superconductor Na$_x$CoO$_2$:$y$H$_2$O, exhibits bulk antiferromagnetic order below $\sim20$ K for 0.75 $\leq x \leq$ 0.9. We have...

Two-Dimensional Geometry of Spin Excitations in the High Temperature Superconductor YBa2Cu3O6+x (2004)

Hinkov, V., Pailhes, S., Bourges, P., Sidis, Y., Ivanov, A., Kulakov, A., ...

The fundamental building block of the copper oxide superconductors is a Cu4O4 square plaquette. In most of these materials, the plaquettes are slightly distorted and form a rectangular lattice. An...

Large Anomalous Hall effect in a silicon-based magnetic semiconductor (2004)

Manyala, N., Sidis, Y., DiTusa, J. F., Aeppli, G., Young, D. P., Fisk, Z.

Magnetic semiconductors are attracting high interest because of their potential use for spintronics, a new technology which merges electronics and manipulation of conduction electron spins. (GaMn)As...

Resonant magnetic excitations at high energy in superconducting $\bf YBa_2Cu_3O_{6.85}$ (2004)

Pailhes, S., Sidis, Y., Bourges, P., Hinkov, V., Ivanov, A., Ulrich, C., ...

A detailed inelastic neutron scattering study of the high temperature superconductor $\rm YBa_2Cu_3O_{6.85}$ provides evidence of new resonant magnetic features, in addition to the well known...

Magnetic Resonant excitations in High-{$\rm T_c$} superconductors (2004)

Sidis, Y., Pailhès, S., Keimer, B., Bourges, P., Ulrich, C., Regnault, L. P.

The observation of an unusual spin resonant excitation in the superconducting state of various High-Tc ~copper oxides by inelastic neutron scattering measurements is reviewed. This magnetic mode %...

Spin gap in optimally-doped YBCO. (2004)

Reznik, D., Pintschovius, L., Endoh, Y., Bourges, P., Sidis, Y., Masui, T., ...

7th Internat.Conf.on Spectroscopies in Novel Superconductors (SNS 2004), Sitges, E, July 11-16, 2004

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...

Two resonant magnetic modes in an overdoped high-$\bf T_c$ superconductor (2003)

Pailhes, S., Sidis, Y., Bourges, P., Ulrich, C., Hinkov, V., Regnault, L. P., ...

A detailed inelastic neutron scattering study of the overdoped high temperature copper oxide superconductor ${Y_{0.9}Ca_{0.1}Ba_{2}Cu_3O_{7}}$ reveals two distinct magnetic resonant modes in 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...

Dispersion of Magnetic Excitations in Superconducting Optimally Doped YBa_2Cu_3O_6.95 (2003)

Reznik, D., Bourges, P., Pintschovius, L., Endoh, Y., Sidis, Y., Matsui, T., ...

Detailed neutron scattering measurements of YBa_2Cu_3O_6.95 found that the resonance peak and incommensurate magnetic scattering induced by superconductivity represent the same physical phenomenon:...

Bond-stretching oxygen phonons in strongly correlated perovskite oxides. (2003)

Reznik, D., Pintschovius, L., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J.M., ...

Self Organized Strongly Correlated Electronic Systems, Santorini, GR, August 26-31, 2003

The resonant magnetic mode: a common feature of high-$T_C$ superconductors (2002)

Bourges, Ph., Keimer, B., Pailhès, S., Regnault, L. P., Sidis, Y., Ulrich, C.

Inelastic neutron scattering experiments in high-$T_c$ cuprates have evidenced a new magnetic excitation present in the superconducting state. In particular, recent experiments on single layer...

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...

High-Energy Spin Dynamics in La$_{1.69}$Sr$_{0.31}$NiO$_4$ (2002)

Bourges, P., Sidis, Y., Braden, M., Nakajima, K., Tranquada, J. M.

We have mapped out the spin dynamics in a stripe-ordered nickelate, La$_{2-x}$Sr$_{x}$NiO$_{4}$ with $x \simeq 0.31$, using inelastic neutron scattering. We observe spin-wave excitations up to 80 meV...

Magnetic Resonant Mode in the Single-Layer High Temperature Superconductor Tl$_2$Ba$_2$Cu$_{6+\delta}$ (2002)

He, H., Bourges, P., Sidis, Y., Ulrich, C., Regnault, L. P., Pailhes, S., ...

An unusual spin excitation mode observed by neutron scattering has inspired numerous theoretical studies of the interplay between charged quasiparticles and collective spin excitations in the copper...

Inelastic neutron scattering study of Tl2Ba2CuO6+δ (2002)

Keimer, B., He, H., Bourges, P., Sidis, Y., Ulrich, C., Regnault, L. P., ...

We present inelastic neutron scattering data on optimally doped Tl2Ba2CuO6+delta (T-c = 92 K), a single-layer copper oxide with undistorted copper oxide planes. The data indicate a magnetic resonant...

Magnetic Resonant Mode in the Single-Layer High-Temperature Superconductor Tl2Ba2CuO6+δ (2002)

He, H., Bourges, P., Sidis, Y., Ulrich, C., Regnault, L. P., Pailhès, S., ...

An unusual spin excitation mode observed by neutron scattering has inspired numerous theoretical studies of the interplay between charged quasiparticles and collective spin excitations in the copper...

Evidence for two distinct energy scales in the Raman spectra of YBa2(CuNi)O6.95 (2001)

Gallais, Y., Sacuto, A., Bourges, P., Sidis, Y., Forget, A., Colson, D.

We report low energy electronic Raman scattering from Ni-substituted YBa2Cu3O6.95 single crystals with Tc ranging from 92.5 K to 78 K. The fully symmetrical A1g channel and the B1g channel which is...

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...

Antiferromagnetic ordering in a 90 K copper oxide superconductor (2001)

Hodges, J. A., Sidis, Y., Bourges, P., Mirebeau, I., Hennion, M., Chaud, X.

Using elastic neutron scattering, we evidence a commensurate antiferromagnetic Cu(2) order (AF) in the superconducting (SC) high-$\rm T_c$ cuprate $\rm YBa_2(Cu_{1-y}Co_y)_3O_{7+\delta}$ (y=0.013,...

Antiferromagnetic ordering in superconducting ${\bf YBa_2Cu_3O_{6.5}}$ (2001)

Sidis, Y., Ulrich, C., Bourges, P., Bernhard, C., Niedermayer, C., Regnault, L. P., ...

Commensurate antiferromagnetic ordering has been observed in the superconducting high-$Tc$ cuprate ${\rm YBa_{2}Cu_{3}O_{6.5}}$ (${\rm T_{c}}$=55 K) by polarized and unpolarized elastic neutron...

Evidence for two distinct energy scales in the Raman spectra of YBa2(CuNi)O6.95 (2001)

Gallais, Y., Sacuto, A., Bourges, P., Sidis, Y., Forget, A., Colson, D.

We report low energy electronic Raman scattering from Ni-substituted YBa2Cu3O6.95 single crystals with Tc ranging from 92.5 K to 78 K. The fully symmetrical A1g channel and the B1g channel which is...

Evidence for two distinct energy scales in the Raman spectra of YBa2(CuNi)O6.95 (2001)

Gallais, Y., Sacuto, A., Bourges, P., Sidis, Y., Forget, A., Colson, D.

We report low energy electronic Raman scattering from Ni-substituted YBa2Cu3O6.95 single crystals with Tc ranging from 92.5 K to 78 K. The fully symmetrical A1g channel and the B1g channel which is...

Magnetic resonance peak and nonmagnetic impurities (2000)

Sidis, Y., Bourges, P., Keimer, B., Regnault, L. P., Bossy, J., Ivanov, A., ...

Nonmagnetic Zn impurities are known to strongly suppress superconductivity. We review their effects on the spin excitation spectrum in $\rm YBa_2Cu_3O_{7}$, as investigated by inelastic neutron...

A critical examination of the spin dynamics in high-$T_C$ cuprates (2000)

Bourges, Ph., Keimer, B., Regnault, L. P., Sidis, Y.

A critical examination of the spin dynamics in high-$T_C$ cuprates is made on the light of inelastic neutron scattering results obtained by different groups. Recent neutron data show that...

The Spin Excitation Spectrum in Superconducting ${\bf YBa_2Cu_3O_{6.85}}$ (2000)

Bourges, P., Sidis, Y., Fong, H. F., Regnault, L. P., Bossy, J., Ivanov, A., ...

A comprehensive inelastic neutron scattering study of magnetic excitations in the near-optimally doped high-temperature superconductor ${\rm YBa_{2}Cu_{3}O_{6.85}}$ is presented. The spin...

Resonant Spin Excitation in an Overdoped High Temperature Superconductor (2000)

He, H., Sidis, Y., Bourges, P., Gu, G. D., Ivanov, A., Koshizuka, N., ...

An inelastic neutron scattering study of overdoped Bi_2Sr_2CaCu_2O_{8+\delta} $ (T_c = 83 K) has revealed a resonant spin excitation in the superconducting state. The mode energy is E_res=38 meV,...

Quantum Impurities and the Neutron Resonance Peak in ${\bf YBa_2 Cu_3 O_7}$: Ni versus Zn (1999)

Sidis, Y., Bourges, P., Fong, H. F., Keimer, B., Regnault, L. P., Bossy, J., ...

The influence of magnetic (S=1) and nonmagnetic (S=0) impurities on the spin dynamics of an optimally doped high temperature superconductor is compared in two samples with almost identical...

Spin Susceptibility in Underdoped $\bf YBa_2Cu_3O_{6+x}$ (1999)

Fong, H. F., Bourges, P., Sidis, Y., Regnault, L. P., Bossy, J., Ivanov, A., ...

We report a comprehensive polarized and unpolarized neutron scattering study of the evolution of the dynamical spin susceptibility with temperature and doping in three underdoped single crystals of...

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,...

Neutron Scattering from Magnetic Excitations in Bi_2 Sr_2 Ca_2 O_8+delta (1999)

Fong, H. F., Bourges, P., Sidis, Y., Regnault, L. P., Ivanov, A., Gu, G. D., ...

Many physical properties of the copper oxide high temperature superconductors appear to defy the conventional (one-electron) theory of metals, and the development of new theories incorporating strong...

Spin dynamics in high-$T_C$ superconductors (1999)

Bourges, Ph., Sidis, Y., Fong, H. F., Keimer, B., Regnault, L. P., Bossy, J., ...

Key features of antiferromagnetic dynamical correlations in high-$T_C$ superconductors cuprates are discussed. In underdoped regime, the sharp resonance peak, occuring exclusively in the SC state, is...

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

Effect of Nonmagnetic Impurities on the Magnetic Resonance Peak in YBa2Cu3O7 (1998)

Fong, H. F., Bourges, P., Sidis, Y., Regnault, L. P., Bossy, J., Ivanov, A., ...

The magnetic excitation spectrum of a YBa_2 Cu_3 O_7 crystal containing 0.5% of nonmagnetic (Zn) impurities has been determined by inelastic neutron scattering. Whereas in the pure system a sharp...

Shifting of the magnetic resonance peak to lower energy in the superconducting state of underdoped YBa_2Cu_3O_{6.8} (1997)

Bourges, Ph., Regnault, L. P., Sidis, Y., Bossy, J., Burlet, P., Vettier, C., ...

Inelastic neutron scattering has been used to determine the dynamic spin fluctuations in an underdoped high temperature superconductor YBCO_{6.8} single crystal. The magnetic resonance, that occurs...