Laboratory for Epitaxial Nanostructures on Silicon and Spintronics

Affiliated Institutions

Alberto Tagliaferri

Associate Professor


tel:Milano: +39 02 2399 6134
fax:Milano: +39 02 2399 6126
address:Politecnico di Milano
Dipartimento di Fisica
Piazza Leonardo da Vinci 32
20133 Milano

Alberto Tagliaferri

Main Research Interest


  1. M. Chaigneau, G. M. Vanacore, M. Bollani, G. Picardi, A. Tagliaferri, and R. Ossikovski: Chapter 13. 20 nm--resolved stress profile in SiGe nano-stripes obtained by tip-enhanced Raman spectroscopy.In M. Lamy de la Chapelle, P. G. Gucciardi, and N. Lidgi-Guigui (eds.), Handbook of Enhanced Spectroscopy, 415--441. Pan Stanford 2015 (2015).
  2. M. Bollani, S. Bietti, C. Frigeri, D. Chrastina, K. Reyes, P. Smereka, J. M. Millunchick, G. M. Vanacore, M. Burghammer, A. Tagliaferri, and S. Sanguinetti: Ordered arrays of embedded Ga nanoparticles on patterned silicon substrates, Nanotechnology 25, 205301 (2014).
  3. G. M. Vanacore, M. Zani, M. Bollani, E. Bonera, G. Nicotra, J. Osmond, G. Capellini, G. Isella, and A. Tagliaferri: Monitoring the kinetic evolution of self-assembled SiGe islands grown by Ge surface thermal diffusion from a local source, Nanotechnology 25, 135606 (2014).
  4. G. M. Vanacore, M. Chaigneau, N. Barrett, M. Bollani, F. Boioli, M. Salvalaglio, F. Montalenti, N. Manini, L. Caramella, P. Biagioni, D. Chrastina, G. Isella, O. Renault, M. Zani, R. Sordan, G. Onida, R. Ossikovski, H.-J. Drouhin, and A. Tagliaferri: Hydrostatic strain enhancement in laterally confined SiGe nanostripes, Phys. Rev. B 88, 115309 (2013).
  5. D. Chrastina, G. M. Vanacore, M. Bollani, P. Boye, S. Schöder, M. Burghammer, R. Sordan, G. Isella, M. Zani, and A. Tagliaferri: Patterning-induced strain relief in single lithographic SiGe nanostructures studied by nanobeam x-ray diffraction, Nanotechnology 23, 155702 (2012).
  6. M. Bollani, D. Chrastina, V. Montuori, D. Terziotti, E. Bonera, G. M. Vanacore, A. Tagliaferri, R. Sordan, C. Spinella, and G. Nicotra: Homogeneity of Ge-rich nanostructures as characterized by chemical etching and transmission electron microscopy, Nanotechnology 23, 045302 (2012).
  7. M. Bollani, E. Bonera, D. Chrastina, A. Fedorov, V. Montuori, A. Picco, A. Tagliaferri, G. Vanacore, and R. Sordan: Ordered arrays of SiGe islands from low-energy PECVD, Nanoscale Res. Lett. 5, 1917 (2010).
  8. G. M. Vanacore, M. Zani, M. Bollani, D. Colombo, G. Isella, J. Osmond, R. Sordan, and A. Tagliaferri: Size evolution of ordered SiGe islands grown by surface thermal diffusion on pit-patterned Si(100) surface, Nanoscale Res. Lett. 5, 1921 (2010).
  9. G. M. Vanacore, M. Zani, G. Isella, J. Osmond, M. Bollani, and A. Tagliaferri: Quantitative investigation of the influence of carbon surfactant on Ge surface diffusion and island nucleation on Si(100), Phys. Rev. B 82, 125456 (2010).
  10. W. Noun, E. Popova, F. Bardelli, Y. Dumont, R. Bertacco, A. Tagliaferri, M. Tessier, M. Guyot, B. Berini, and N. Keller: Determination of yttrium iron garnet superexchange parameters as a function of oxygen and cation stoichiometry, Phys. Rev. B 81, 054411 (2010).
  11. F. Ghezzi, M. Zani, S. Magni, G. M. Vanacore, and A. Tagliaferri: Surface and bulk modification of W--La2O3 armor mock-up, J. Nucl. Mater. 393, 522 (2009).
  12. A. Tagliaferri, V. Bisogni, and N. B. Brookes: Subfemtosecond magnetization dynamics in diluted ferromagnetic metals, J. Appl. Phys. 105, 07E507 (2009).
  13. S. G. Chiuzbaian, T. Schmitt, M. Matsubara, A. Kotani, G. Ghiringhelli, C. Dallera, A. Tagliaferri, L. Braicovich, V. Scagnoli, N. B. Brookes, U. Staub, and L. Patthey: Combining M- and L-edge resonant inelastic x-ray scattering for studies of 3d transition metal compounds, Phys. Rev. B 78, 245102 (2008).
  14. G. Ghiringhelli, M. Matsubara, C. Dallera, F. Fracassi, A. Tagliaferri, N. B. Brookes, A. Kotani, and L. Braicovich: Reply to “comment on `resonant inelastic x-ray scattering of MnO: L2,3 edge measurements and assessment of their interpretation' ”, Phys. Rev. B 78, 117102 (2008).
  15. R. Bertacco, A. Tagliaferri, M. Riva, L. Signorini, M. Cantoni, A. Cattoni, F. Ciccacci, B. A. Davidson, F. Maccherozzi, I. Vobornik, and G. Panaccione: Surface electronic and magnetic properties of La2/3Sr1/3MnO3 thin films with extended metallicity above the Curie temperature, Phys. Rev. B 78, 035448 (2008).
  16. W. A. Little, M. J. Holcomb, G. Ghiringhelli, L. Braicovich, C. Dallera, A. Piazzalunga, A. Tagliaferri, and N. B. Brookes: A determination of the pairing interaction in the high tc cuprate superconductor Tl2Ba2CaCu2O8 (Tl2212).Physica C 460--462, 40 (2007).
  17. A. M. Bataille, R. Mattana, P. Seneor, A. Tagliaferri, S. Gota, K. Bouzehouane, C. Deranlot, M.-J. Guittet, J.-B. Moussy, C. de Nadaï, N. B. Brookes, F. Petroff, and M. Gautier-Soyer: On the spin polarization at the Fe3O4/γ-Al2O3 interface probed by spin-resolved photoemission and spin-dependent tunneling, J. Magn. Magn. Mater. 316, e963 (2007).
  18. G. Ghiringhelli, N. B. Brookes, C. Dallera, A. Tagliaferri, and L. Braicovich: Sensitivity to hole doping of Cu L3 resonant spectroscopies: Inelastic x-ray scattering and photoemission of La2-xSrxCuO4, Phys. Rev. B 76, 085116 (2007).
  19. L. Braicovich, G. van der Laan, A. Tagliaferri, E. Annese, G. Ghiringhelli, and N. B. Brookes: Resonant inelastic x-ray scattering from magnetic systems with angular resolutionand polarization analysis of the scattered beam: Results on metallic Co, Fe, and Co ferrite at the L3,2 edges, Phys. Rev. B 75, 184408 (2007).
  20. L. Braicovich, A. Tagliaferri, G. Ghiringhelli, C. Dallera, F. Fracassi, A. Palenzona, and N. B. Brookes: Spectroscopy of strongly correlated systems: Resonant x-ray scattering without energy resolution in the scattered beam, Phys. Rev. B 75, 073104 (2007).
  21. M. E. Dinardo, A. Piazzalunga, L. Braicovich, V. Bisogni, C. Dallera, K. Giarda, M. Marcon, A. Tagliaferri, and G. Ghiringhelli: Gaining efficiency and resolution in soft X-ray emission spectrometers thanks to directly illuminated CCD detectors, Nucl. Instrum. Methods Phys. Rev. A 570, 176 (2007).
  22. G. Ghiringhelli, M. Matsubara, C. Dallera, F. Fracassi, A. Tagliaferri, N. B. Brookes, A. Kotani, and L. Braicovich: Resonant inelastic x-ray scattering of MnO: L2,3 edge measurements and assessment of their interpretation, Phys. Rev. B 73, 035111 (2006).
  23. G. van der Laan, G. Ghiringhelli, A. Tagliaferri, N. B. Brookes, and L. Braicovich: Quenching of atomiclike properties upon solid-state formation: Quantitative comparison between Co and Ni in ferrites studied by x-ray resonant Raman scattering at the L3 edge, Phys. Rev. B 69, 104427 (2004).
  24. G. Ghiringhelli, N. B. Brookes, E. Annese, H. Berger, C. Dallera, M. Grioni, L. Perfetti, A. Tagliaferri, and L. Braicovich: Low energy electronic excitations in the layered cuprates studied by copper L3 resonant inelastic X-ray scattering, Phys. Rev. Lett. 92, 117406 (2004).
  25. S. S. Dhesi, A. Mirone, C. De Nadaï, P. Ohresser, P. Bencok, N. B. Brookes, P. Reutler, A. Revcolevschi, A. Tagliaferri, O. Toulemonde, and G. van der Laan: Unraveling orbital ordering in La0.5Sr1.5MnO4, Phys. Rev. Lett. 92, 056403 (2004).
  26. M. Sicot, S. Andrieu, P. Turban, Y. Fagot-Revurat, H. Cercellier, A. Tagliaferri, C. De Nadai, N. B. Brookes, F. Bertran, and F. Fortuna: Polarization of Fe(001) covered by MgO analyzed by spin-resolved x-ray photoemission spectroscopy, Phys. Rev. B 68, 184406 (2003).
  27. J. Camarero, Y. Pennec, J. Vogel, M. Bonfim, S. Pizzini, F. Ernult, F. Fettar, F. Garcia, F. Lançon, L. Billard, B. Dieny, A. Tagliaferri, and N. B. Brookes: Perpendicular interlayer coupling in Ni80Fe20/NiO/Co trilayers, Phys. Rev. Lett. 91, 027201 (2003).
  28. C. Dallera, M. Taguchi, C. F. Hague, L. Journel, J.-M. Mariot, J.-P. Rueff, M. Sacchi, L. Braicovich, G. Ghiringhelli, A. Tagliaferri, A. Palenzona, and N. B. Brookes: Configuration interaction in L2,3-edge resonant inelastic x-ray scattering spectra of CaF2 and ScAl2, Phys. Rev. B 67, 113104 (2003).
  29. L. Braicovich, A. Tagliaferri, G. van der Laan, G. Ghiringhelli, and N. B. Brookes: Sum rules in x-ray resonant Raman scattering: Recovering the Co ground state information in CoFe2O4 as a test case, Phys. Rev. Lett. 90, 117401 (2003).
  30. J. Camarero, Y. Pennec, J. Vogel, S. Pizzini, M. Cartier, F. Fettar, F. Ernult, A. Tagliaferri, N. B. Brookes, and B. Dieny: Field dependent exchange coupling in NiO/Co bilayers, Phys. Rev. B 67, 020413(R) (2003).
  31. P. Ferriani, G. Ghiringhelli, G. Ferrari, C. M. Bertoni, A. Tagliaferri, L. Braicovich, and N. B. Brookes: Resonant inelastic X-ray scattering from magnetic systems: Mn in MnFe2O4, Nucl. Instrum. Methods Phys. Rev. B 200, 220 (2003).
  32. F. Spizzo, F. Ronconi, F. Albertini, F. Casoli, L. Pareti, G. Turilli, F. Bolzoni, A. Mazuelas, C. Ferrero, G. Ghiringhelli, A. Tagliaferri, and H. Metzger: Size and ordering of sputtered Co nanoparticles in Co/Cu multilayers, Nucl. Instrum. Methods Phys. Rev. B 200, 142 (2003).
  33. L. Braicovich, G. van der Laan, G. Ghiringhelli, A. Tagliaferri, and N. B. Brookes: Magnetic circular dichroism in x-ray resonant Raman scattering in perpendicular geometry from CoFe2O4 and Co metal: A comparison of valence and inner-shell channels, Phys. Rev. B 66, 174435 (2002).
  34. M. Besse, V. Cros, A. Barthélémy, H. Jaffrès, J. Vogel, F. Petroff, A. Mirone, A. Tagliaferri, P. Bencok, P. Decorse, P. Berthet, Z. Szotek, W. M. Temmerman, S. S. Dhesi, N. B. Brookes, A. Rogalev, and A. Fert: Experimental evidence of the ferrimagnetic ground state of Sr2FeMoO6 probed by X-ray magnetic circular dichroism, Europhys. Lett. 60, 608 (2002).
  35. R. G. Denning, J. C. Green, T. E. Hutchings, C. Dallera, A. Tagliaferri, K. Giarda, N. B. Brookes, and L. Braicovich: Covalency in the uranyl ion: A polarized x-ray spectroscopic study, J. Chem. Phys. 117, 8008 (2002).
  36. F. Borgatti, P. Ferriani, G. Ghiringhelli, A. Tagliaferri, B. De Michelis, C. M. Bertoni, N. B. Brookes, and L. Braicovich: Magnetic circular dichroism in resonant x-ray emission from impurities: Results at the L2,3 edges of Mn in Ni, Phys. Rev. B 65, 094406 (2002).
  37. M. Taguchi, L. Braicovich, G. Ghiringhelli, A. Tagliaferri, N. B. Brookes, T. Uozumi, and A. Kotani: X-ray m4,5 resonant Raman scattering from Gd with final 4p hole: calculations with 4p--4d--4f configuration interaction in the final state and comparison with the experiment, J. Electron Spectrosc. 125, 139 (2002).
  38. C. Dallera, M. Marcon, G. Ghiringhelli, A. Tagliaferri, N. B. Brookes, G. Olcese, A. Palenzona, and L. Braicovich: Study of bulk ground state properties of cerium intermetallics by linear dichroism in 4f resonant inelastic X-ray scattering, Solid State Commun. 121, 635 (2002).
  39. L. Braicovich, F. Borgatti, A. Tagliaferri, G. Ghiringhelli, N. B. Brookes, P. Ferriani, and C. M. Bertoni: Magnetic circular dichroism in soft X-ray resonant inelastic scattering, Appl. Phys. A 73, 679 (2001).
  40. C. Dallera, K. Giarda, G. Ghiringhelli, A. Tagliaferri, L. Braicovich, and N. B. Brookes: Charge-transfer excitations in lanthanum compounds measured by resonant inelastic x-ray scattering at the M5 edge, Phys. Rev. B 64, 153104 (2001).
  41. P. Ghigna, A. Campana, A. Lascialfari, A. Caneschi, D. Gatteschi, A. Tagliaferri, and F. Borgatti: X-ray magnetic-circular-dichroism spectra on the superparamagnetic transition-metal ion clusters Mn12 and Fe8, Phys. Rev. B 64, 132413 (2001).
  42. L. Braicovich, M. Taguchi, F. Borgatti, G. Ghiringhelli, A. Tagliaferri, N. B. Brookes, T. Uozumi, and A. Kotani: Resonant raman scattering at the L thresholds with final 3s hole in 3d2+ systems. II. the CoO case in the whole L2,3 region, Phys. Rev. B 63, 245115 (2001).
  43. M. Taguchi, L. Braicovich, G. Ghiringhelli, A. Tagliaferri, N. B. Brookes, T. Uozumi, and A. Kotani: Resonant raman scattering at the L thresholds with final 3s hole in 3d2+ systems. I. Configuration interaction with two 3p hole final states in different systems, Phys. Rev. B 63, 245114 (2001).
  44. M. Taguchi, L. Braicovich, G. Ghiringhelli, A. Tagliaferri, F. Borgatti, C. Dallera, K. Giarda, and N. B. Brookes: X-ray M4,5 resonant Raman scattering from La metal with a final 4p hole: Calculations with 4p-4d-4f configuration interaction in the final state and comparison to experiments, Phys. Rev. B 63, 235113 (2001).
  45. A. Tagliaferri, G. Ghiringhelli, N. B. Brookes, and L. Braicovich: On the many body effects in the 4p-resonant Raman scattering of Gd at the M5 threshold: comparison between the metal and an insulator (GdGa Garnet), J. Electron Spectrosc. 114--116, 965 (2001).
  46. M. Finazzi, G. Ghiringhelli, O. Tjernberg, L. Duò, A. Tagliaferri, P. Ohresser, and N. B. Brookes: Multiatomic resonant photoemission spectroscopy on CuO and NiO: Observation of antiresonant behavior, Phys. Rev. B 62, R16215 (2000).
  47. L. Braicovich, G. van der Laan, A. Tagliaferri, G. Ghiringhelli, F. Borgatti, and N. B. Brookes: M4,5 resonant Raman scattering with final 4p-4d holes in Te, La, and Gd: Trends of the many-body effects, Phys. Rev. B 62, 10723 (2000).
  48. A. Tagliaferri, L. Braicovich, G. van der Laan, G. Ghiringhelli, N. B. Brookes, C. Dallera, M. Finazzi, E. Weschke, Z. Hu, and G. Kaindl: Many-body effects in nonresonant and resonant 4p spectroscopy of Gd metal, Phys. Rev. B 60, 5728 (1999).
  49. F. Borgatti, L. Braicovich, N. B. Brookes, G. Ghiringhelli, and A. Tagliaferri: Competition between resonant raman scattering and fluorescence at the L3-edges with final 3s hole in CoO and in NiO, J. Electron Spectrosc. 101--103, 467 (1999).
  50. A. Tagliaferri, L. Braicovich, G. Ghiringhelli, and N. B. Brookes: Resonant X-ray 4f scattering from Ce in Ce--Rh intermetallics at the M4,5 thresholds, Physica B 259--261, 1159 (1999).
  51. L. Braicovich, G. Ghiringhelli, A. Tagliaferri, F. Borgatti, and N. B. Brookes: Evidence of configuration interaction in resonant X-ray scattering from rare earths at the M4,5-thresholds with final 4p excitation, Physica B 259--261, 1100 (1999).
  52. L. Braicovich, G. van der Laan, G. Ghiringhelli, A. Tagliaferri, M. A. van Veenendaal, N. B. Brookes, M. M. Chervinskii, C. Dallera, B. De Michelis, and H. A. Dürr: Magnetic circular dichroism in resonant raman scattering in the perpendicular geometry at the L edge of 3d transition metal systems, Phys. Rev. Lett. 82, 1566 (1999).
  53. L. Braicovich, G. Ghiringhelli, and A. Tagliaferri: Inelastic resonant M-scattering of X-rays from Gd metal with inner-shell excitation, Il Nuovo Cimento 20D, 1075 (1998).
  54. G. Ghiringhelli, A. Tagliaferri, L. Braicovich, and N. B. Brookes: A simple spherical grating by-pass monochromator dedicated to soft x-ray emission spectroscopy, Rev. Sci. Instrum. 69, 1610 (1998).
  55. F. Ciccacci, S. De Rossi, E. Pelucchi, and A. Tagliaferri: Spin-resolved electron spectroscopy with highly polarized sources: Inverse photoemission from ferromagnets, Rev. Sci. Instrum. 68, 1841 (1997).
  56. S. De Rossi, A. Tagliaferri, and F. Ciccacci: Spin polarization of Ag/Fe(100) quantum well empty states, J. Magn. Magn. Mater. 157--158, 287 (1996).

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