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.
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Vertically Aligned Carbon Nanofibers and Related Structures: Controlled Synthesis and Directed Assembly
Anatoli V. Melechko,Vladimir I. Merkulov,Timothy E. McKnight,Michael A. Guillorn,Kate L. Klein,Douglas H. Lowndes,Michael L. Simpson +6 more
TL;DR: In this article, a review of the application areas for carbon nanotubes and nanofibers including electron field-emission sources, electrochemical probes, functionalized sensor elements, scanning probe microscopy tips, nanoelectromechanical systems (NEMS), hydrogen and charge storage, and catalyst support.
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Strong polarization enhancement in asymmetric three-component ferroelectric superlattices
TL;DR: The data reveal that the specific interface structure and local asymmetries play an unexpected role in the polarization enhancement, and it is shown that even superlattices containing only single-unit-cell layers of BaTiO3 in a paraelectric matrix remain ferroelectric.
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Synthesis of Novel Thin-Film Materials by Pulsed Laser Deposition
Douglas H. Lowndes,David B. Geohegan,Alexander A. Puretzky,David P. Norton,Christopher M. Rouleau +4 more
TL;DR: Cluster-assembled nanocrystalline and composite films offer opportunities to control and produce new combinations of properties with PLD, and artificially layered materials and metastable phases have been created and their properties varied by control of the layer thicknesses.
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Nanoscale effects on the ionic conductivity in highly textured YSZ thin films
TL;DR: The electrical conductivity of highly textured Yttria Stabilized Zirconia (YSZ) thin films deposited onto a MgO substrate can be enhanced significantly at thickness as mentioned in this paper.
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Alignment mechanism of carbon nanofibers produced by plasma-enhanced chemical-vapor deposition
Vladimir I. Merkulov,Anatoli V. Melechko,Michael A. Guillorn,Douglas H. Lowndes,Michael L. Simpson +4 more
TL;DR: In this paper, the alignment of carbon nanofibers is explained as a result of a feedback mechanism associated with a nonuniform stress that is created across the interface of the catalyst particle with the CNF due to electrostatic forces.