Measurement of the effect of lattice strain on magnetic interactions and orbital splitting in CaCuO2 using resonant inelastic x-ray scattering (Articolo in rivista)

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  • Measurement of the effect of lattice strain on magnetic interactions and orbital splitting in CaCuO2 using resonant inelastic x-ray scattering (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.87.085124 (literal)
Alternative label
  • Minola, M.a, Hozoi, L.b, Di Castro, D.c, Felici, R.d, Moretti Sala, M.e, Tebano, A.c, Balestrino, G.c, Ghiringhelli, G.e, Van Den Brink, J.b, Braicovich, L.e (2013)
    Measurement of the effect of lattice strain on magnetic interactions and orbital splitting in CaCuO2 using resonant inelastic x-ray scattering
    in Physical review. B, Condensed matter and materials physics (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Minola, M.a, Hozoi, L.b, Di Castro, D.c, Felici, R.d, Moretti Sala, M.e, Tebano, A.c, Balestrino, G.c, Ghiringhelli, G.e, Van Den Brink, J.b, Braicovich, L.e (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84874541605&partnerID=q2rCbXpz (literal)
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  • 87 (literal)
Rivista
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  • 8 (literal)
Note
  • Scopu (literal)
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  • a CNISM, Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, I-20133 Milano, Italy b IFW Dresden, Helmholtzstr. 20, D-01069 Dresden, Germany c CNR-SPIN, Dipartimento di Ingegneria Civile e Ingegneria Informatica, Università di Roma Tor Vergata, Via del Politecnico 1, I-00133 Roma, Italy d European Synchrotron Radiation Facility, 6 rue Jules Horowitz, F-38043 Grenoble, France e CNR-SPIN, Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, I-20133 Milano, Italy (literal)
Titolo
  • Measurement of the effect of lattice strain on magnetic interactions and orbital splitting in CaCuO2 using resonant inelastic x-ray scattering (literal)
Abstract
  • The energy of magnetic and orbital excitations of copper-oxide systems have been assessed in bulk materials, but little is known about how they change in thin films or heterostructures. Although in these samples the epitaxial strain is known to alter important physical properties, such as Tc, the actual relation to fundamental excitations remains to be established. Here we determine how the magnetic interactions and orbital splitting scale with lattice constant under strain in the prototypical insulating cuprate CaCuO2. We extract the scaling power laws both experimentally, using Cu L3 resonant inelastic x-ray scattering, and theoretically, with ab initio quantum chemical calculations. This combined approach quantifies the large impact of small lattice variations on the magnetic and orbital energy scales and opens the way to the production of strain-engineered samples. © 2013 American Physical Society. (literal)
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