Magnetic Excitations and Phase Separation in the Underdoped La2-xSrxCuO4 Superconductor Measured by Resonant Inelastic X-Ray Scattering

@article{ ISI:000274664500049,
Author = {Braicovich, L. and van den Brink, J. and Bisogni, V. and Moretti Sala,
   M. and Ament, L. J. P. and Brookes, N. B. and De Luca, G. M. and
   Salluzzo, M. and Schmitt, T. and Strocov, V. N. and Ghiringhelli, G.},
Title = {{Magnetic Excitations and Phase Separation in the Underdoped La2-xSrxCuO4
   Superconductor Measured by Resonant Inelastic X-Ray Scattering}},
Journal = {{PHYSICAL REVIEW LETTERS}},
Year = {{2010}},
Volume = {{104}},
Number = {{7}},
Month = {{FEB 19}},
Abstract = {{We probe the collective magnetic modes of La2CuO4 and underdoped
   La2-xSrxCuO4 (LSCO) by momentum resolved resonant inelastic x-ray
   scattering (RIXS) at the Cu L-3 edge. For the undoped antiferromagnetic
   sample, we show that the single magnon dispersion measured with RIXS
   coincides with the one determined by inelastic neutron scattering, thus
   demonstrating that x rays are an alternative to neutrons in this field.
   In the spin dynamics of LSCO, we find a branch dispersing up to similar
   to 400 meV coexisting with one at lower energy. The high-energy branch
   has never been seen before. It indicates that underdoped LSCO is in a
   dynamic inhomogeneous spin state.}},
Publisher = {{AMER PHYSICAL SOC}},
Address = {{ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Braicovich, L (Corresponding Author), Politecn Milan, Dipartimento Fis, CNR, INFM Coherentia, I-20133 Milan, Italy.
   Braicovich, L.; Moretti Sala, M.; Ghiringhelli, G., Politecn Milan, Dipartimento Fis, CNR, INFM Coherentia, I-20133 Milan, Italy.
   van den Brink, J.; Ament, L. J. P., Leibniz Inst Solid State & Mat Res Dresden, D-01171 Dresden, Germany.
   van den Brink, J.; Ament, L. J. P., Leiden Univ, Inst Lorentz Theoret Phys, NL-2300 RA Leiden, Netherlands.
   van den Brink, J., Radboud Univ Nijmegen, Inst Mol & Mat, NL-6500 GL Nijmegen, Netherlands.
   Bisogni, V.; Brookes, N. B., European Synchrotron Radiat Facil, F-38043 Grenoble, France.
   De Luca, G. M.; Salluzzo, M., Univ Naples Federico 2, CNR, INFM Coherentia, Dipartimento Sci Fis, I-80126 Naples, Italy.
   Schmitt, T.; Strocov, V. N., Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.}},
DOI = {{10.1103/PhysRevLett.104.077002}},
Article-Number = {{077002}},
ISSN = {{0031-9007}},
Keywords-Plus = {{STRIPES}},
Research-Areas = {{Physics}},
Web-of-Science-Categories  = {{Physics, Multidisciplinary}},
ResearcherID-Numbers = {{Sala, Marco Moretti/H-1034-2014
   salluzzo, marco/C-5919-2009
   van den Brink, Jeroen/Y-3931-2019
   van den Brink, Jeroen/E-5670-2011
   Schmitt, Thorsten/A-7025-2010
   Brookes, Nicholas B/C-6718-2019
   Ghiringhelli, Giacomo/D-1159-2014
   Moretti, Marco/AAF-9255-2019
   }},
ORCID-Numbers = {{Sala, Marco Moretti/0000-0002-9744-9976
   salluzzo, marco/0000-0001-8372-6963
   van den Brink, Jeroen/0000-0001-6594-9610
   Brookes, Nicholas B/0000-0002-1342-9530
   Ghiringhelli, Giacomo/0000-0003-0867-7748
   Moretti, Marco/0000-0002-9744-9976
   Braicovich, Lucio/0000-0001-6548-9140}},
Funding-Acknowledgement = {{Office of Science, U. S. Department of Energy (DOE)United States
   Department of Energy (DOE) {[}DE-FG02-08ER4650]}},
Funding-Text = {{This work was performed at the ADRESS beam line of the SLS (PSI) using
   the SAXES spectrometer developed jointly by Politecnico di Milano, SLS,
   and EPFL. The authors acknowledge T. Devereaux, M. Grioni, S. Kivelson,
   G. Sawatzky, Z.- X. Shen, and J. Zaanen for important exchanges of
   ideas; and M. Radovic and F. Miletto Granozio for providing the LCO
   sample. This work is supported by the Office of Science, U. S.
   Department of Energy (DOE), Contract No. DE-FG02-08ER4650 (CMSN).}},
Number-of-Cited-References = {{23}},
Times-Cited = {{181}},
Usage-Count-Last-180-days = {{2}},
Usage-Count-Since-2013 = {{73}},
Journal-ISO = {{Phys. Rev. Lett.}},
Doc-Delivery-Number = {{557JD}},
Unique-ID = {{ISI:000274664500049}},
OA = {{Green Accepted}},
DA = {{2020-12-22}},
}