Real-time monitoring of growing nanoparticles.
One challenge in the production of nanometer-sized objects with given properties is to control their growth at a macroscopic scale in situ and in real time. A dedicated ultrahigh-vacuum grazing-incidence small-angle x-ray scattering setup has been developed, yielding high sensitivity and dynamics. Its capabilities to derive the average particle shape and size and the film growth mode and ordering and to probe both surfaces and buried interfaces are illustrated for two prototypical cases: the model catalyst Pd/MgO(100) and the self-organized Co/Au(111) system. A wide range of technologically important systems can potentially be investigated in various gaseous environments.
Renaud
Gilles
G
Département de Recherche Fondamentale sur la Matière Condensée/Service de Physique des Matériaux et des Microstructures, Commissariat à l'Energie Atomique Grenoble, 38054 Grenoble Cedex 09, France. grenaud@cea.fr
Lazzari
Rémi
R
Revenant
Christine
C
Barbier
Antoine
A
Noblet
Marion
M
Ulrich
Olivier
O
Leroy
Frédéric
F
Jupille
Jacques
J
Borensztein
Yves
Y
Henry
Claude R
CR
Deville
Jean-Paul
JP
Scheurer
Fabrice
F
Mane-Mane
Jeannot
J
Fruchart
Olivier
O