D
David K. Christen
Researcher at Oak Ridge National Laboratory
Publications - 365
Citations - 13086
David K. Christen is an academic researcher from Oak Ridge National Laboratory. The author has contributed to research in topics: Superconductivity & Thin film. The author has an hindex of 52, co-authored 365 publications receiving 12790 citations. Previous affiliations of David K. Christen include University of Tennessee.
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Effect of carbon-doping in bulk superconducting MgB2 samples
TL;DR: In this paper, carbon-doping was applied to bulk superconducting samples of MgB 2 and the crystal symmetry was found to be hexagonal with lattice parameters, a = 3.0856 A, and c =3.5199 A, similar to the literature values.
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Enhancement of flux pinning in YBa2Cu3O7−δ thin films embedded with epitaxially grown Y2O3 nanostructures using a multi-layering process
Albert A. Gapud,Dhananjay Kumar,S.K. Viswanathan,Claudia Cantoni,Maria Varela,Jeremiah T. Abiade,S. J. Pennycook,David K. Christen +7 more
TL;DR: In this paper, Nanodot arrays of Y2O3 were dispersed in thin films of YBa2Cu3O7−δ (YBCO) by growing alternating layers of these two species using a pulsed laser deposition method.
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Growth of biaxially textured RE2O3 buffer layers on rolled-Ni substrates using reactive evaporation for HTS-coated conductors
Mariappan Parans Paranthaman,Dominic F. Lee,Amit Goyal,Eliot D. Specht,Patrick M Martin,X. Cui,J. E. Mathis,Ron Feenstra,David K. Christen,D. M. Kroeger +9 more
TL;DR: In this article, a single buffer layer architecture for YBCO (YBa2Cu3O7-y) coated conductors was developed for RE2O3 (RE = Y, and rare earths) as candidate materials.
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Cube-textured nickel substrates for high-temperature superconductors
Eliot D. Specht,Amit Goyal,Dominic F. Lee,F.A. List,D. M. Kroeger,Mariappan Parans Paranthaman,Robert K. Williams,David K. Christen +7 more
TL;DR: In this article, the effect of rolling reduction and annealing conditions on the sharpness of the cube texture, the incidence of other orientations, the grain size and the surface topography was investigated.
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Influence of oxygen deficiency on the superconductive properties of grain-aligned YBa2Cu3O7- delta.
J. G. Ossandon,James R Thompson,James R Thompson,David K. Christen,Brian C. Sales,H. R. Kerchner,J. O. Thomson,Yang Ren Sun,K. W. Lay,J.E. Tkaczyk +9 more
TL;DR: Magnetically aligned samples of sintered YBa{sub 2}Cu{sub 3}O{sub 7{minus}delta] were used to test the effects of oxygen-deficiency on the superconductive magnetization as mentioned in this paper.