@article{b9ac34c618f34bcb89e904fea1c14d5e,
title = "Growth of ordered ultrathin tungsten oxide films on pt(111)",
abstract = "Ordered ultrathin tungsten oxide films were prepared on a Pt(111) substrate at 700 K via direct sublimation of monodispersed cyclic (WO3) 3 trimers. The surface composition, structure, and morphology were determined using a combination of atomically resolved imaging, ensemble-averaged surface-sensitive spectroscopies, and DFT. We find that half of the (WO 3)3 tungsten atoms in the first layer get partially reduced to the (5+) oxidation state. The opening of the (WO3) 3 ring leads to the formation of a tungsten oxide layer with a zigzag chain structure with a c(4×2) periodicity. In the second layer, the (WO3)3 clusters remain intact and form an ordered (3×3) array of molecularly bound (WO3)3. DFT calculations provide a detailed understanding of the structure, oxidation states, and the vibrational frequencies for both the c(4×2) and (3×3) overlayers.",
author = "Zhenjun Li and Zhenrong Zhang and Kim, {Yu Kwon} and Smith, {R. Scott} and Falko Netzer and Kay, {Bruce D.} and Roger Rousseau and Zdenek Dohn{\'a}lek",
year = "2011",
month = apr,
day = "7",
doi = "10.1021/jp1108976",
language = "English",
volume = "115",
pages = "5773--5783",
journal = "Journal of Physical Chemistry C",
issn = "1932-7447",
publisher = "American Chemical Society",
number = "13",
}