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Journal of Structural Chemistry

2010 year, number 7

synthesis and structural study of the ordered germanium nanorod arrays

R. G. Valeev, D. V. Surnin, A. N. Beltyukov, V. M. Vetoshkin, V. V. Kriventsov, Y. V. Zubavichus, N. A. Mezentsev, A. A. Eliseev
Keywords: porous Al2O3, filamentary Ge nanostructures, Ge films, scanning electron microscopy, XANES spectroscopy
Pages: 135-139


A new approach to synthesis of the ordered germanium nanorod arrays using thermal sputtering on the matrices of porous alumina with the ordered channel arrangement is presented. The synthesized filamentary nanostructures were examined by scanning electron microscopy (SEM), EXAFS and XANES spectroscopy. Data on nanorod geometry in arrays, parameters of the local atomic structure such as interatomic distances and coordination numbers for initial samples and those annealed at 450°C in the argon atmosphere, and data on changes in the electronic states near the absorption K-edge were acquired. A comparison was made with the data of EXAFS studies of a continuous Ge film synthesized on a smooth surface of non-porous Al2O3.