Spin transition in Co³⁺ by optical absorption and time-resolved spectroscopy under pressure: an appraisal of the different spin states

References

• Imada , M. , Fujimori , A. and Yoshinori , T. 1998 . Metal-insulator transitions . Rev. Mod. Phys. , 70 ( 4 ) : 1039 – 1263 .
   Web of Science ®Google Scholar
• Maris , G. , Ren , Y. , Volotchaev , V. , Zobel , C. , Lorenz , T. and Palstra , T. T. 2003 . Evidence for orbital ordering in LaCoO3 . Phys. Rev. B , 67 : 224423(1–4)
   Google Scholar
• Haverkort , M. W. , Hu , Z. , Cezar , J. C. , Burnus , T. , Hartmann , H. , Reuther , M. , Zobel , C. , Lorenz , T. , Tanaka , A. , Brookes , B. , Hsieh , H. H. , Lin , H. J. , Chen , C. T. and Tjeng , L. H. 2006 . Spin state transition in LaCoO3 studied using soft X-ray absorption spectroscopy and magnetic circular dichroism . Phys. Rev. Lett. , 97 : 176405(1 – 4) .
   Google Scholar
• Burns , R. G. 1993 . Mineralogical Applications of Crystal Field Theory , Cambridge : Cambridge University Press .
   Google Scholar
• Reinen , D. , Atanasov , M. and Köhler , P. 2007), pp . The Jahn–Teller effect in octahedral T Ground states – an experimental and DFT study on MIIIX6 polyhedra [MIII: Ti, V, Co; X: Cl, F] in various solids . J. Mol. Struct. , 838 : 151 – 156 .
   Google Scholar
• Allen , G. C. and Warren , K. D. 1971 . The electronic spectra of the hexafluoro complexes of the first transition series . Struct. Bonding , 9 : 49 – 138 .
   Google Scholar
• Grannec , J. , Portier , J. , Pouchar , M. and Hagenmuller , P. 1976 . Propriétés magnétiques des hexafluorures Na3MeF6 ($Me = Co, Ni, Cu$) . J. Inorg. Nucl. Chem. , 28 : 119 – 122 . (Suppl. 1976)
   Google Scholar
• Gütlich , P. and Goodwin , H. A. 2004 . Spin Crossover in Transition Metal Compounds II , Heidelberg : Springer .
   Google Scholar
• Vankó , G. , Rueff , J. P. , Mattila , A. , Németh , Z and Shukla , A . 2006 . Temperature- and pressure-induced spin-state transitions in LaCoO3 . Phys. Rev. B , 73 : 024424(1–9)
   Google Scholar
• Kozlenko , D. P. , Golosova , N. O. , Jirak , Z. , Dubrovinsky , L. S. , Savenko , B. N. , Tucker , M. G. , Le Godec , Y. and Glazkov , V. P. 2007 . Temperature- and pressure-driven spin-state transitions in LaCoO3 . Phys. Rev. B , 75 : 064422(1–10)
   Google Scholar
• Ropka , Z. and Radwanski , R. J. 2003 . 5D term origin of the excited triplet in LaCoO3 . Phys. Rev. B , 67 : 172401(1–4)
   Google Scholar
• Rodríguez , F. and Aguado , F. 2003 . Correlations between structure and optical properties in Jahn–Teller Mn3+ fluorides: A study of TlMnF4 and NaMnF4 under pressure . J. Chem. Phys. , 118 : 10867 – 10875 .
   Web of Science ®Google Scholar
• Rodríguez-Carvajal , J. , Hennion , M. , Moussa , F. , Moudden , A. H. , Pinsard , L. and Revcolevschi , A. 1998 . Neutron-diffraction study of the Jahn-Teller transition in stoichiometric LaMnO3 . Phys. Rev. B , 57 : R3189 – R3192 .
   Google Scholar
• M.N. Sanz-Ortiz and F. Rodríguez, to be published
   Google Scholar
• Sanz-Ortiz , M. N. , Rodríguez , F. , Baranov , A. and Demazeau , G. 2008 . Synthesis under pressure and characterizations through optical spectroscopy of Jahn-Teller cations (LS Ni3+, IS Co3+) as probes diluted in a perovskite matrix . J. Phys. Conf. Ser. , 121 : 092003(1–5)
   Google Scholar
• Hernández , I. , Rodríguez , F. and Tressaud , A. 2008 . Opto-structural study of A2BMF6: Cr3+ elpasolite crystals. Variation of the (CrF6)3− complex optical properties with Cr-F bond distance, hydrostatic pressure and excited-state crossover . J. Phys. Conf. Ser. , 121 : 042007(1–5)
   Google Scholar
• Aguado , F. , Rodríguez , F. and Núñez , P. 2007 . Pressure-induced Jahn-Teller suppression and simultaneous high-spin to low-spin transition in the layered perovskite CsMnF4 . Phys. Rev. B , 76 : 094417(1–6)
   Google Scholar
• Aguado , F. , Rodríguez , F. and Núñez , P. 2003 . Pressure effects on NaMnF4: Structural correlations and Jahn-Teller effect from crystal-field spectroscopy . Phys. Rev. B , 67 : 205101(1–8)
   Google Scholar