Search Results - "Geszti, O"

Refine Results
  1. 1

    Preparation of Pdshell-Aucore/SiO2 catalyst and catalytic activity for acetylene hydrogenation by SARKANY, A, GESZTI, O, SAFRAN, G

    Published in Applied catalysis. A, General (30-11-2008)
    “…Various Pd shell thicknesses (0.12-1.5 nm) were synthesized on preformed Au particles of 5 nm size by seeded growth technique (15-80 at% Pd) using sodium…”
    Get full text
    Journal Article
  2. 2
  3. 3

    Different degrees of weak metal–support interaction in Fe–(Ni)/Al2O3 catalyst governing activity and selectivity in carbon nanotubes’ production using ethylene by Ratkovic, S., Vujicic, Dj, Kiss, E., Boskovic, G., Geszti, O.

    Published in Materials chemistry and physics (15-09-2011)
    “…Two Fe-based alumina supported catalysts differing in active phase nature, alumina support origin and methods of synthesis were compared by achieved carbon…”
    Get full text
    Journal Article
  4. 4

    Structure and phase formation in Cu–Mn alloy thin films deposited at room temperature by Czigány, Zs, Misják, F., Geszti, O., Radnóczi, G.

    Published in Acta materialia (01-12-2012)
    “…Transmission electron microscopy characterization of Cu–Mn alloy thin films deposited by DC magnetron sputtering is applied to reveal the formation of phases…”
    Get full text
    Journal Article
  5. 5
  6. 6

    CO hydrogenation over cobalt and iron catalysts supported over multiwall carbon nanotubes: Effect of preparation by Guczi, László, Stefler, G., Geszti, O., Koppány, Zs, Kónya, Z., Molnár, É., Urbán, M., Kiricsi, I.

    Published in Journal of catalysis (15-11-2006)
    “…CO hydrogenation was investigated over Co or Fe catalysts supported on multiwall carbon nanotubes (MWNTs). Two types of catalysts were prepared. For the simple…”
    Get full text
    Journal Article
  7. 7

    Specific role of polymorphs of supporting titania in catalytic CO oxidation on gold by Beck, A., Magesh, G., Kuppan, B., Schay, Z., Geszti, O., Benkó, T., Viswanath, R.P., Selvam, P., Viswanathan, B., Guczi, L.

    Published in Catalysis today (30-04-2011)
    “…Dependence of catalytic activity in CO oxidation on the structure of gold nanoparticles supported on various TiO 2 polymorphs has been investigated. Pure…”
    Get full text
    Journal Article Conference Proceeding
  8. 8

    Sol derived gold–palladium bimetallic nanoparticles on TiO2: structure and catalytic activity in CO oxidation by Beck, A., Horváth, A., Schay, Z., Stefler, Gy, Koppány, Zs, Sajó, I., Geszti, O., Guczi, L.

    Published in Topics in catalysis (01-06-2007)
    “…Bimetallic AuPd catalysts were prepared by deposition of bimetallic aqueous sols formed in different ways: (i) co-reduction of the precursor Au and Pd ions by…”
    Get full text
    Journal Article
  9. 9

    Effect of Ti(IV) loading on CO oxidation activity of gold on TiO2 doped amorphous silica by VENEZIA, A. M, LIOTTA, F. L, PANTALEO, G, BECK, A, HORVATH, A, GESZTI, O, KOCSONYA, A, GUCZI, L

    Published in Applied catalysis. A, General (17-08-2006)
    “…Amorphous SiO2, doped with various amount of TiO2, was used as support for gold nanoparticles. Gold was deposited through the controlled sol formation…”
    Get full text
    Journal Article
  10. 10

    Thermal and radiolysis assisted formation of Au–Pd heteroaggregates by Sárkány, A., Hargittai, P., Geszti, O.

    “…In the presence of pre-synthesized Au nanoparticles both pulse radiolysis and 2-propanol assisted reduction of Pd (II) chloride to palladium have been…”
    Get full text
    Journal Article
  11. 11

    Morphology and growth mechanism of WOx films prepared by laser ablation of W in different atmospheres by Ossi, P. M, Bailini, A, Geszti, O, Radnóczi, G

    Published in Europhysics letters (01-09-2008)
    “…Nanostructured tungsten oxide, WOx films were prepared by ablating a metallic target in helium, argon and dry air as buffer gases at fixed pressure, laser…”
    Get full text
    Journal Article
  12. 12

    Structural changes in thin films of yttria-stabilized zirconia irradiated with uranium ions in the electronic stopping regime by Lamperti, A., Radnóczi, G., Geszti, O., Birjega, R., Caricato, A.P., Trautmann, C., Ossi, P.M.

    Published in Journal of nuclear materials (01-09-2011)
    “…Poly-crystalline, partially monoclinic, yttria partially stabilized zirconia (Y-PSZ) was deposited on a 25 nm thick Au-covered (1 0 0) Si substrate by means of…”
    Get full text
    Journal Article Conference Proceeding
  13. 13

    Composition, structure and mechanical property analysis of DC sputtered CNi and CNxNi nano-composite layers by Ujvári, T., Tóth, A., Kovács, Gy. J., Sáfrán, G., Geszti, O., Radnóczi, G., Bertóti, I.

    Published in Surface and interface analysis (01-08-2004)
    “…Carbon–nickel (CNi) and carbon‐nitride–nickel (CNxNi) films were deposited onto native SiO2 covered Si substrates by DC magnetron sputtering from a…”
    Get full text
    Journal Article Conference Proceeding
  14. 14

    Structure and mechanical properties of carbon?nickel and CNx?nickel nanocomposite films by KOVACS, G

    Published in Surface & coatings technology (01-03-2004)
    “…DC sputtered carbon-nickel and carbon-nitride-nickel thin films were investigated by high resolution electron microscopy, X-ray microanalysis and…”
    Get full text
    Journal Article
  15. 15

    Transmission electron microscope study of the topotactic reaction of (0 0 1), (0 1 1) and (1 1 1) Ag films and Te by Sáfrán, G., Geszti, O., Radnóczi, G.

    Published in Thin solid films (01-09-2003)
    “…The formation, structure and morphology of silver telluride was investigated in the reaction of (0 0 1), (0 1 1) and (1 1 1) single crystalline Ag films with…”
    Get full text
    Journal Article
  16. 16

    Formation of oriented silver telluride on single and polycrystalline Ag films by Sáfrán, G, Geszti, O, Radnóczi, G

    Published in Vacuum (09-05-2003)
    “…The formation, structure and morphology of silver telluride developed by the reaction of both (0 0 1) single or polycrystalline Ag films with subsequently…”
    Get full text
    Journal Article Conference Proceeding
  17. 17

    Nanoparticle formation induced by low-energy ion bombardment of island thin films by P szti, Z., Pet, G., Horv th, Z.E., Geszti, O., Karacs, A., Guczi, L.

    “…In order to explore whether low-energy ion bombardment of island thin films can be applied for preparation of nanoparticles supported on solid surfaces,…”
    Get full text
    Journal Article
  18. 18

    Fullerene-like structures in CNx particles by RADNOCZI, G, KOVACS, Gy. J, PECZ, B, GESZTI, O, SAFRAN, G

    Published in Vacuum (09-05-2003)
    Get full text
    Conference Proceeding Journal Article
  19. 19
  20. 20

    Morphology and composition of ArF excimer laser deposited carbon nitride films as determined by analytical TEM by Geszti, O., Radnóczi, G., Bertóti, I., Szörényi, T., Antoni, F., Fogarassy, E.

    Published in Applied surface science (28-01-2002)
    “…Carbon nitride films deposited onto room temperature silicon substrates by ArF excimer laser ablation of a graphite target in nitrogen atmosphere have been…”
    Get full text
    Journal Article Conference Proceeding