D
Douglas H. Lowndes
Researcher at Oak Ridge National Laboratory
Publications - 126
Citations - 6166
Douglas H. Lowndes is an academic researcher from Oak Ridge National Laboratory. The author has contributed to research in topics: Thin film & Carbon nanofiber. The author has an hindex of 38, co-authored 126 publications receiving 5996 citations. Previous affiliations of Douglas H. Lowndes include Battelle Memorial Institute & Baylor University.
Papers
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Journal ArticleDOI
Surface/Interface-Related Conductivity in Nanometer Thick YSZ Films
TL;DR: In this paper, the electrical conductivity of ultrathin cubic yttria-stabilized zirconia (YSZ) thin films was investigated and a nanoscale effect that results in exceptionally high ionic conductivity at moderate temperatures was detected in films less than 60 nm thick.
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Early stages of pulsed-laser growth of silicon microcolumns and microcones in air and SF6
TL;DR: In this paper, a new investigation of how different final microstructures as microcolumns or microcones joined by walls nucleate and develop was presented, and the changes in silicon surface morphology were systematically determined and compared as the number of pulsed KrF (248 nm) laser shots was increased from 25 to several thousand in both air and SF6.
Patent
Nanoengineered membranes for controlled transport
Mitchel J. Doktycz,Michael L. Simpson,Timothy E. McKnight,Anatoli V. Melechko,Douglas H. Lowndes,Michael A. Guillorn,Vladimir I. Merkulov +6 more
TL;DR: In this paper, a nano-engineered membrane for controlling material transport (e.g., molecular transport) is described, which includes a substrate, a cover defining a material transport channel between the substrate and the cover, and a plurality of fibers positioned in the channel and connected to and extending away from a surface of the substrate.
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Structure and optical properties of amorphous diamond films prepared by ArF laser ablation as a function of carbon ion kinetic energy
Vladimir I. Merkulov,Douglas H. Lowndes,Gerald Earle Jellison Jr,Alexander A. Puretzky,David B. Geohegan +4 more
TL;DR: In this paper, an ion probe was used to study changes in the bonding and optical properties of amorphous carbon films as a function of the kinetic energy of ablated C ions.
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Transition between 'base' and 'tip' carbon nanofiber growth modes
Anatoli V. Melechko,Anatoli V. Melechko,Vladimir I. Merkulov,Douglas H. Lowndes,Michael A. Guillorn,Michael L. Simpson,Michael L. Simpson +6 more
TL;DR: In this article, the initial growth stages as a function of time for both regimes were studied and a model of the growth mode transition was proposed. But the model was not applied to the case of carbon nanofibers.