Maria Grazia Proietti Cecconi       



Profesora Titular de la Universidad de Zaragoza
Dottore in Física Universitá di Roma "La Sapienza"
Doctorado Ciencias Físicas Universidad de Zaragoza


Departamento de Física de la Materia Condensada and
Instituto de Ciencia de Materiales de Aragón.


Centro Politécnico Superior
Universidad de Zaragoza
C/ María de Luna 3,
E-50018 Zaragoza, SPAIN
Tel: +34-976762389
Fax: +34-976762642
E-mail: proietti@unizar.es




Docencia (2006-07)

  1. Licenciatura
  2. Posgrado
    • MASTER EN FÍSICA Y TECNOLOGÍAS FÍSICAS - "Física de Materiales en Grandes Instalaciones"

Investigación

Use of Synchrotron Radiation techinques as X-ray absorption spectroscopy (EXAFS, XANES),
Anomalous X-ray diffraction (DAFS), resonant X-ray scattering, applied to the study of strained III-V semiconductors, self-assembled semiconductor nanostructures
, mixed valence oxides, proteins...

Publicaciones recientes


  • García J., G. Subías, M.G. Proietti, H. Renevier, Y. Joly, J.L. Hodeau, J. Blasco,M.C. Sánchez  and J.F. Bérar   Resonant "forbidden" reflections in magnetite Phys. Rev. Lett. 85, 578-581 (2000) 
  • García J., G. Subías, M.G. Proietti, J. Blasco, H. Renevier, J.L. Hodeau, Y. Joly and M.C. Sánchez  Charge ordering and forbidden reflections in magnetite  "Theory and computation for synchrotron radiation spectroscopy" p. 20-29, (AIP) Eds. M. Benfatto. C.R. Natoli, E. Pace. (2000)
  • García J., G. Subías, M.G. Proietti, J. Blasco, H. Renevier, J.L. Hodeau and Y.  Joly  Charge ordering and forbidden reflections in magnetite E.S.R.F. Highlights, p. 53-54 (2000)
  • García J., G. Subias, M.G. Proietti, J. Blasco, H. Renevier, J.L. Hodeau and Y.Joly,  Absence of charge ordering below the Verwey transition temperature in magnetite  Phys. Rev. B 63, 054110-1/054110-6 (2000)
  • García J., M.C. Sánchez, G. Subías, J. Blasco, and M.G. Proietti   Mn K-edge XANES spectra of manganites measured by Kβ emission  J. Synchrotron Rad. 8, 892-894 (2001)
  • García J., M.C. Sánchez, J. Blasco, G. Subias and M.G. Proietti. Analysis of the x-ray resonant scattering at the Mn K-edge in half-doped mixed valence J. Phys. Condens. Matter 13, 3243-3256 (20001)
  • García J., M.C. Sánchez, J. Blasco, G. Subías, and M.G. Proietti  Has charge ordering actually been observed in manganites by resonant x-ray scattering?  J. Synchrotron Rad. 8, 895-897 (2001)
  • Grenier S., M.G. Proietti, H. Renevier, L. González, J.M. García, J. García Glancing incidence Diffraction Anomalous Fine Structure of InAs/InP (001) self-assembled  Quantum Wires ESRF Newsletter 19 (2001)
  • Grenier S., M.G. Proietti, H. Renevier, L. González, J.M. García, J.M. Gérard, J. García Glancing-angle diffraction anomalous fine structure of InAs quantum dots and quantum wires J. Syncrotron Rad. 8, 536-538 (2001)
  • Renevier H., Y. Joly, J. García, G. Subías, M.G. Proietti, J.L. Hodeau, J. Blasco Diffraction anomalous fine structure of forbidden Bragg reflections charge localization and  structure of the octahedral site in magnetite J. Synchrotron Rad. 8, 390-392 (2001)
  • Sánchez, M.C., J. García, G. Subías, J. Blasco and M.G. Proietti Geometric local structure at the Mn site in charge-ordered mixed valence manganites. J. Synchrotron Rad. 8, 904-906 (2001)
  • García J., G. Subías, J. Blasco, M.C. Sánchez and M.G. Proietti  Lack of atomic charge localization in transition metal mixed valence oxides Surface Review and Letters, 9, 821-830 (2002)
  • Grenier S., M.G. Proietti, H. Renevier, L. González, J.M. García, J. García
    Grazing-incidence Diffraction Anomalous Fine Structure of InAs/InP (001) self-assembled Quantum Wires Europhysics Letters 57, 499-505 (2002)
  • Subías G., J. García, J. Blasco, M.C. Sánchez, G. Proietti Mn local structure effects in charge-ordered mixed-valence Re 1-x Ca x MnO3 (Re:La,Tb  perovskites: a review of the experimental situation
    J. Phys.: Condens. Matter 14, 5017-5033 (2002).
  • Subias G., J. García, M.C. Sánchez, J. Blasco and M.G. Proietti Soft x-ray absorption spectroscopy (Mn-L2,3, O-K) in mixed valence manganites  Surface Review and Letters 9, 1071-1078 (2002)
  • Renevier H., M.G. Proietti, S. Grenier, G. Ciatto, L. González, J.M. García, J.M. Gérard,                                   J. García Glancing angle EXAFS of encapsulated self-assembled InAs/InP Quantum Wires and InAs/GaAs Quantum Dots Mat. Sci.& Eng. B, 101, 174-180 (2003)
  • Grenier S., A. Letoublon, M.G. Proietti, H. Renevier, L. González, J.M. García, C. Priester,  J. García Grazing-incidence Diffraction Anomalous Fine Structure of self-assembled semiconductor nanostructuresNucl. Instr. & Methods in Physics Research B 200, 24-33 (2003).
  • H.Renevier, S. Grenier, S. Arnaud, J.F. Bérar, B. Caillot, J.L. Hodeau, A. Letoublon,   M. G. Proietti and B. Ravel, Diffraction Anomalous Fine- Structure spectroscopy at beamline BM2 at the European  Synchrotron Facility J. of Synchr. Rad., 10, 435-444 (2003).
  • Letoublon, V. Favre-Nicolin, H. Renevier, M.G. Proietti, C. Monat, M. Gendry, O. Marty, C. Priester, Strain, size and composition of InAs Quantum Wires embedded in InP, by means of Grazing Incidence X-ray Anomalous diffraction Phys. Rev. Lett., 92, 18, 186101-1 (2004) & ESRF Highlights 2003, 71 (2004).
  • F. Sepulcre, M.G. Proietti, M. Benfatto, Stephano Della Longa, J.García and Esteve Padrós  A quantitative XANES analysis of the calcium high affinity site of the purple membrane  Byophisical. J., 87,513-520, (2004)
  •  G. Subías, J. García, M. G. Proietti, J. Blasco, H. Renevier, J. L. Hodeau and M. C. Sánchez,  X-Ray Resonant scattering of (0 0 4n+2) forbidden refllections in spinel ferrites  Phys. Rev. B, 70, 1034351-8 (2004). 
  • G. Subías, J. García, J. Blasco, M. G. Proietti, H. Renevier and M. C. Sánchez,  Magnetite, a model system for mixed-valence oxides, does not show charge order  Phys. Rev. Lett.,  93, 156408 (2004).
  • G. Ciatto,  H. Renevier,  M. G. Proietti,  A. Polimeni,  M. Capizzi,  S. Mobilio,  and F. Boscherini. Effects of hydrogenation on the local structure of InxGa1–xAs1–yNy quantum wells and GaAs1–yNy epilayers   Phys. Rev. B 72, 085322 (2005)  
  • F. Sepulcre,  M. G. Proietti, M. Benfatto, S. Della Longa, J. García and E. Padrós. A AXAS study of the cation binding sites in the purple membrane of Halobacterium Salinarium Phys. Scripta, 115,  (2005)
  • J. Coraux, H. Renevier, M.G. Proietti, V. Favre-Nicolin, B. Daudin, G. Renaud. In-situ and ex-situ grazing incidence diffraction anomalous fine structure study of GaN/AlN Quantum Dots (Phys. Status Solidi B, in press)
  • J. Coraux, M.G. Proietti, V. Favre-Nicolin, H. Renevier, B.Daudin.  Step by step capping and strain state of GaN/AlN quantum dots studied by  grazing incidence diffraction anomalous fine structure  (Phys. Rev. B in press) &  cond-mat/0509016

PROYECTOS

  •  “Construcción de una línea española de experimentación en el E.S.R.F. (European Synchrotron Radiation Facility)”. (1998-2000)(CICYT)
  • “Laboratorio Europeo Asociado” (LEA-MANES).  (CSIC) 1999-2000
  • “Estación de espectroscopía de absorción de rayos X”. CICYT.  1999- 2001.
  • “Síntesis y crecimiento cristalino de materiales magnetoresistivos”.  CICYT .  1999-2002.
  • “Estudio de hilos cuánticos InAs/InP mediante espectroscopía EXAFS y DAFS con radiación de Sincrotrón”. IP: Maria Grazia Proietti. Acción Integrada Hisp-Francesa  2003-2004.
  • “Estudio de óxidos de valencia mixta y nanoestructuras de semiconductores. Síntesis, caracterización y aplicación de las espectroscopías de rayos X”.  2003-2005.
  • Acuerdo de cooperación CICYT-INFN, 2004. "Estudio XANES de proteínas y óxidos de valencia mixta
  • Acuerdo de cooperación CICYT-INFN, 2005."Estudio XANES de proteínas y óxidos de valencia mixta"


      COLABORACIONES

  • Universidad Politécnica de Cataluña
  • Laboratoire de Cristallographie (CNRS) (Francia)
  • Laboratoire DRFMC-SP2M, CEA, Grenoble (Francia)
  • Instituto Nazionale di  Fisica Nucleare- INFN - Laboratori di Frascati (Italia)
  • Laboratorio SPLINE (Spanish Beamline) European Sincrotron Radiation Facility (ESRF)
OFERTA DE TESIS DOCTORAL
Estudio de las propiedades estructurales de nanoestructuras de semiconductores basadas en Nitruros de Ga e In, mediante técnicas de Radiación de Sincrotrón