by De Luca, G. M., Ghiringhelli, G., Moretti Sala, M., Di Matteo, S., Haverkort, M. W., Berger, H., Bisogni, V., Cezar, J. C., Brookes, N. B. and Salluzzo, M.
Abstract:
X-ray magnetic circular dichroism provides evidence of an out-of-plane spin moment in undoped and doped cuprates. In La2CuO4 this moment is related to the canting of the antiferromagnetically ordered Cu2+ spins caused by the Dzyaloshinskii-Moriya interaction within the CuO2 planes. This canting gives rise to the well-known weak ferromagnetism in high magnetic fields. We find a similar behavior in doped compounds, both in the normal and in the superconducting state, but with a different temperature dependence typical of paramagnetic systems. This result suggests that, together with short-range in-plane antiferromagnetic correlations, the Dzyaloshinskii-Moriya interaction survives up to optimal doping and in the superconducting state.
Reference:
Weak magnetism in insulating and superconducting cuprates (De Luca, G. M., Ghiringhelli, G., Moretti Sala, M., Di Matteo, S., Haverkort, M. W., Berger, H., Bisogni, V., Cezar, J. C., Brookes, N. B. and Salluzzo, M.), In PHYSICAL REVIEW B, AMER PHYSICAL SOC, volume 82, 2010.
Bibtex Entry:
@article{ ISI:000286740300006, Author = {De Luca, G. M. and Ghiringhelli, G. and Moretti Sala, M. and Di Matteo, S. and Haverkort, M. W. and Berger, H. and Bisogni, V. and Cezar, J. C. and Brookes, N. B. and Salluzzo, M.}, Title = {{Weak magnetism in insulating and superconducting cuprates}}, Journal = {{PHYSICAL REVIEW B}}, Year = {{2010}}, Volume = {{82}}, Number = {{21}}, Month = {{DEC 3}}, Abstract = {{X-ray magnetic circular dichroism provides evidence of an out-of-plane spin moment in undoped and doped cuprates. In La2CuO4 this moment is related to the canting of the antiferromagnetically ordered Cu2+ spins caused by the Dzyaloshinskii-Moriya interaction within the CuO2 planes. This canting gives rise to the well-known weak ferromagnetism in high magnetic fields. We find a similar behavior in doped compounds, both in the normal and in the superconducting state, but with a different temperature dependence typical of paramagnetic systems. This result suggests that, together with short-range in-plane antiferromagnetic correlations, the Dzyaloshinskii-Moriya interaction survives up to optimal doping and in the superconducting state.}}, Publisher = {{AMER PHYSICAL SOC}}, Address = {{ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA}}, Type = {{Article}}, Language = {{English}}, Affiliation = {{De Luca, GM (Corresponding Author), CNR SPIN, Complesso MonteSantangelo,Via Cinthia, I-80126 Naples, Italy. De Luca, G. M.; Salluzzo, M., CNR SPIN, I-80126 Naples, Italy. Ghiringhelli, G.; Moretti Sala, M., Politecn Milan, CNR SPIN, I-20133 Milan, Italy. Di Matteo, S., Univ Rennes 1, Equipe Phys Surfaces & Interfaces, Inst Phys Rennes, UMR CNRS UR1 6251, F-35042 Rennes, France. Haverkort, M. W., Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany. Berger, H., Ecole Polytech Fed Lausanne, Inst Phys Mat Condensee, CH-1015 Lausanne, Switzerland. Bisogni, V.; Cezar, J. C.; Brookes, N. B., European Synchrotron Radiat Facil, F-38043 Grenoble, France.}}, DOI = {{10.1103/PhysRevB.82.214504}}, Article-Number = {{214504}}, ISSN = {{2469-9950}}, EISSN = {{2469-9969}}, Keywords-Plus = {{RAY CIRCULAR-DICHROISM; SR2CUO2CL2; BEHAVIOR; OXIDES; PHASE}}, Research-Areas = {{Materials Science; Physics}}, Web-of-Science-Categories = {{Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter}}, Author-Email = {{gdeluca@na.infn.it}}, ResearcherID-Numbers = {{Haverkort, Maurits W./D-2319-2009 Sala, Marco Moretti/H-1034-2014 Moretti, Marco/AAF-9255-2019 Criginski Cezar, Julio/B-2731-2008 Ghiringhelli, Giacomo/D-1159-2014 Cezar, Julio Criginski/D-5039-2012 salluzzo, marco/C-5919-2009 Brookes, Nicholas B/C-6718-2019}}, ORCID-Numbers = {{Haverkort, Maurits W./0000-0002-7216-3146 Sala, Marco Moretti/0000-0002-9744-9976 Moretti, Marco/0000-0002-9744-9976 Ghiringhelli, Giacomo/0000-0003-0867-7748 Cezar, Julio Criginski/0000-0002-7904-6874 salluzzo, marco/0000-0001-8372-6963 Brookes, Nicholas B/0000-0002-1342-9530}}, Number-of-Cited-References = {{30}}, Times-Cited = {{15}}, Usage-Count-Last-180-days = {{0}}, Usage-Count-Since-2013 = {{30}}, Journal-ISO = {{Phys. Rev. B}}, Doc-Delivery-Number = {{713LU}}, Unique-ID = {{ISI:000286740300006}}, DA = {{2020-12-22}}, }
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