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Publications

  1. E. Principi, A. Witkowska, S. Dsoke, R. Marassi, and A. Di Cicco "An XAS experimental approach to study low Pt content electrocatalysts operating in PEM fuel cells" Phys. Chem. Chem. Phys. 11, 9987 (2009) [COVER ARTICLE]
  2. F. Coppari, J. C. Chervin, A. Congeduti, M. Lazzeri, A. Polian, E. Principi, and A. Di Cicco "Pressure-induced phase transitions in amorphous and metastable crystalline germanium by Raman scattering, x-ray spectroscopy and ab-initio calculations", Phys. Rev. B, 80, 115213 (2009)
  3. F. Coppari, A. Di Cicco, E. Principi, A. Trapananti, N. Pinto, A. Polian, S. Chagnot, and A. Congeduti, "Combination of optical and X-ray spectroscopy in the study of amorphous semiconductors under high pressure: an upgrade setup for combined XAS and XRD measurements at ODE beamline", High Press. Res. (in printing, 2009)
  4. E. Principi, A. Witkowska, and A. Di Cicco "Local atomic order in low Pt-content nanocatalysts investigated in situ by XAS", J. Phys.: Conf. Ser. 190, 12173 (2009)
  5. A. Di Cicco, G. Aquilanti, M. Minicucci, E. Principi, N. Novello, A. Cognigni, L. Olivi "Novel XAFS capabilities at ELETTRA synchrotron light source", J. Phys.: Conf. Ser. 190, 12043 (2009)
  6. G. Greco, A. Witkowska, Y. Soldo, E. Larquet, N. Menguy, A. Cognigni, M. Minicucci, E. Principi, and A. Di Cicco "Study of the atomic structure and morphology of the Pt3Co nanocatalyst", J. Phys.: Conf. Ser., 190, 12168 (2009)
  7. GNXAS extended suite of programs for advanced X-ray absorption data-analysis: methodology and practice, edited by A. Di Cicco, Task Publishing, Gdansk, Poland (2009) pp 106-109 ISBN 978-83-908112-8-4
  8. A. Di Cicco, A. Trapananti, E. Principi, S. De Panfilis A. Filipponi "On the occurrence of polymorphism in liquid Sn at high-pressure", European Synchrotron Radiation Facility - Highlights 2007, edited by G. Admans, (ESRF- Grenoble France, 2008), pag. 92-93.
  9. G. Aquilanti, A. Trapananti, M. Minicucci, F. Liscio, A. Twarog, E. Principi, S. Pascarelli, H. Libotte, W. A. Crichton, J.-P. Itie' "Long-lasting controversies on properties of matter at high pressure: the role of XAS", European Synchrotron Radiation Facility - Highlights 2007, edited by G. Admans, (ESRF- Grenoble France, 2008), pag. 91-92.
  10. A. Witkowska, E. Principi, A. Di Cicco, S. Dsoke , R. Marassi, V. Rossi "Temperature and potential-dependent structural changes in Pt cathode electrocatalyst viewed by in situ XAFS", J.Non-Cryst. Solids 354, 4227 (2008)
  11. E. Principi, A. Di Cicco, "Development of an experimental set-up for electroresistance measurements of materials under high pressure and temperature", Meas. Sci. Tech. 19, 95701 (2008)
  12. A. Witkowska, S. Dsoke, E. Principi, R. Marassi, A. Di Cicco, V. Rossi "Pt-Co cathode electrocatalyst behaviour viewed by in situ XAFS fuel cell measurements", J. Pow. Sources 178, 603 (2008).
  13. E. Principi, A. Di Cicco, M. Minicucci "X-ray diffraction and electroresistance measurements under high pressure and temperature using a large-volume cell", J. Phys.: Conf. Series 121, 42010 (2008)
  14. A. Di Cicco, E. Principi, M. Minicucci "Local ordering and metastable phenomena in liquids under extreme conditions", J. Phys.: Conf. Series 121, 42008 (2008)
  15. U. Bergmann, A. Di Cicco, P. Wernet, E. Principi, P. Glatzel, A. Nilsson "Nearest neighbor oxygen distances in liquid water and ice observed by x-ray raman based EXAFS", J. Chem. Phys. 127, 174504 (2007)
  16. G. Aquilanti, A. Trapananti, M. Minicucci, F. Liscio, A. Twarog, E. Principi, S. Pascarelli "EXAFS study of zinc metal under pressure: on the occurrence of the electronic topological transition", Phys. Rev. B 76, 144102 (2007)
  17. A. Witkowska, E. Principi, A. Di Cicco "Local ordering of nano-structured Pt probed by multiple-scattering XAFS", Phys. Rev. B 76, 104110 (2007)
  18. E. Principi, A. Di Cicco, A. Witkowska and R. Marassi "Performance of a fuel cell optimized for in situ X-ray absorption experiments", J. Synchrotron Rad. 14, 276 (2007)
  19. A. Di Cicco, E. Principi, M. Minicucci, S. De Panfilis, A. Trapananti, and A. Filipponi "Local ordering in disordered systems under extreme conditions", AIP Conf. Proc. 882, 404 (2007)
  20. E. Principi, A. Di Cicco, M. Minicucci, S. De Panfilis, A. Trapananti, and R. Poloni "Metastable Bi under extreme conditions investigated by combined XAS and XRD", AIP Conf. Proc. 882, 532 (2007)
  21. A. Witkowska, E. Principi, A. Di Cicco and R. Marassi "Advanced XAS analysis for investigating fuel cell electrocatalysts", AIP Conf. Proc. 882, 684 (2007)
  22. A. Di Cicco, A. Trapananti, E. Principi S. De Panfilis, A. Filipponi "Polymorphism and metastable phenomena in liquid tin under pressure", Appl. Phys. Lett. 89, 221912 (2006)
  23. A. Di Cicco, R. Gunnella, R. Marassi, M. Minicucci, R. Natali, G. Pratesi, E. Principi, S. Stizza "Disordered matter under extreme conditions: x-ray diffraction, electron spectroscopy and electroresistance measurements", J. Non-Cryst. Solids 352, 4155 (2006)
  24. J. Dziedzic, E. Principi, J. Rybicki "Analysis of the mixing rules for the Stillinger-Weber potential: a case-study of the Ge-Si interactions in the liquid phase", J. Non-Cryst. Solids 352, 4232 (2006) [reprint request] [go to electronic journal]
  25. L. Ottaviano, M. Passacantando, A. Verna, R. Gunnella, E. Principi, A. Di Cicco, G. Impellizzeri, and F. Priolo "Direct structural evidences of Mn dilution in Ge", J. Appl. Phys. 100, 063528 (2006) [reprint request] [go to electronic journal]
  26. E. Principi, M. Minicucci, A. Di Cicco, A. Trapananti, S. De Panfilis, and R. Poloni "Metastable phase diagram of Bi probed by single energy x-ray absorption detection and angular dispersive x-ray diffraction" , Phys Rev B 74, 64101 (2006) [reprint request] [go to electronic journal]
  27. R. Poloni, S. De Panfilis, A. Di Cicco, G. Pratesi, E. Principi, A. Trapananti, and A. Filipponi "Liquid gallium in confined droplets under high-temperature and high-pressure conditions", Phys. Rev. B 71, 184111 (2005) [reprint request] [go to electronic journal]
  28. A. Di Cicco, B Giovenali, R. Gunnella, E. Principi, S. Simonucci "Metalization of the Ge(111) surface at high-temperature probed by energy-loss and Auger spectroscopies", Sol. St. Comm. 134/9 577 (2005) , (U. K.). [reprint request] [go to electronic journal]
  29. A. Witkowska, J. Rybicki, A. Trapananti, E. Principi, and A. Di Cicco, "Confined lead nano-granules investigated by X-ray absorption spectroscopy", Phys. Scripta T115 474 (2005), (U. K.). [reprint request] [go to electronic journal]
  30. E. Principi, A. Di Cicco, M. Minicucci, and S. De Panfilis, "Radial distribution function in ionic compounds at high temperature and pressure", Phys. Scripta T115 1059 (2005), (U. K.). [reprint request] [go to electronic journal]
  31. A. Trapananti, A. Di Cicco, S. De Panfilis, E. Principi, and A. Filipponi, "Copper and Silver alloys under extreme conditions", Phys. Scripta T115 960 (2005), (U. K.). [reprint request] [go to electronic journal]
  32. E. Principi, F. Decremps, A. Di Cicco, F. Datchi, S. De Panfilis, A. Filipponi, and A. Polian, "Pressure induced phase transitions in amorphous Ge", Phys. Scripta T115 381 (2005), (U. K.). [reprint request] [go to electronic journal]
  33. A. Di Cicco, B. Giovenali, R. Bernardini, and E. Principi "Melting of the Ge(111) surface probed by EELS", Phys. Scripta T115 1068 (2005), (U. K.). [reprint request] [go to electronic journal]
  34. E. Principi, A. Di Cicco, F. Decremps, A. Polian, S. De Panfilis, and A. Filipponi, "Polyamorphic transition of germanium under pressure", Phys. Rev. B Rapid Communication 69, 201201 (R) (2004) [reprint request] [go to electronic journal]
  35. A. Di Cicco, E. Principi, M. Minicucci, S. De Panfilis, A. Filipponi, F. Decremps, F. Datchi, J. P. Itie', P. Munsch, and A. Polian, "Structure of crystalline and amorphous Ge probed by x-ray absorption and diffraction techniques", High Pressure Research 24, 93-99 (2004), (U. K.). [reprint request] [go to electronic journal]
  36. A. Di Cicco, A. C. Frasini, M. Minicucci, E. Principi, J. P. Itie', and P. Munsch, "High-pressure and high-temperature study of phase transitions in solid germanium", Phys. Stat. Sol. (b) 240, 19-28 (2003), (Germany). [reprint request] [go to electronic journal]
  37. D. Chelstowski , A. Witkowska, J. Rybicki, B. Padlyak, A. Trapananti and E. Principi, "The EXAFS study of glasses of the CaO-Ga2O3-GeO2 system", Optica Applicata 33 125 (2003) [go to electronic journal]
  38. A. Filipponi, V. M. Giordano, S. De Panfilis, A. Di Cicco, E. Principi, A. Trapananti, M. Borowski, and J.-P. Itie', "A multi-channel detector-collimator for powder diffraction measurements at energy scanning x-ray absorption spectroscopy synchrotron radiation beamlines for high-pressure and high-temperature applications", Rev. Sci. Instr. 74, 2654 (2003) [reprint request] [go to electronic journal]
  39. J. Bosko, J. Rybicki, A. Witkowska and E. Principi, "A comparison between MD and EXAFS-extracted Structural Data for Ternary RbBrI" Comp. Meth. Sci. and Tech., 8 7 (2002). [reprint request][go to electronic journal]
  40. A. Di Cicco, E. Principi and A. Filipponi, "Short-range disorder in pseudobinary ionic alloys", Phys. Rev. B 65, 212106, (2002) [reprint request] [go to electronic journal]
  41. A. Di Cicco, M. Minicucci, E. Principi, A. Witkowska, J. Rybicki and R. Laskowski, "Testing interaction models by using x-ray absorption spectroscopy: solid Pb", J. Phys.: Condens. Matter 14, 3365 (2002) [reprint request] [go to electronic journal]


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LAST REVISED 7 January 2010 - 12:13