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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.

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Persistent step-flow growth of strained films on vicinal substrates.

TL;DR: The model rationalizes the diverse growth modes observed in pulsed laser deposition of SrRuO3 on SrTiO3 and predicts the existence of concurrent step bunching and island formation, a new growth mode that competes with step flow for phase space, and shows that the deposition flux and temperature must be chosen within a window to achieve persistent step flow.
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Temperature Dependence of Morphologies of Aligned Silicon Oxide Nanowire Assemblies Catalyzed by Molten Gallium

TL;DR: In this paper, the growth mechanism of the nanowire assemblies is discussed and branching-growth and batch-growth phenomena were observed in the samples and were believed to be responsible for the formation of the unique morphologies described here.
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Four-probe charge transport measurements on individual vertically aligned carbon nanofibers

TL;DR: In this article, the authors report four-probe I-V measurements on individual vertically aligned carbon nanofibers (VACNFs), enabled by the fabrication of multiple Ti/Au ohmic contacts on individual fibers that exhibited resistance of only a few kilohms.
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Early stages of YBa 2 Cu 3 O 7 − δ epitaxial growth on MgO and SrTiO 3

TL;DR: In this paper, the initial stages of epitaxial growth of c-axis-perpendicular laser-ablated (YBCO) thin films were studied by scanning tunneling microscopy.
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Self-aligned gated field emission devices using single carbon nanofiber cathodes

TL;DR: In this paper, the fabrication and operation of integrated gated field emission devices using single vertically aligned carbon nanofiber (VACNF) cathodes where the gate aperture has been formed using a self-aligned technique based on chemical mechanical polishing was reported.