K
Keith J. Leonard
Researcher at Oak Ridge National Laboratory
Publications - 97
Citations - 2640
Keith J. Leonard is an academic researcher from Oak Ridge National Laboratory. The author has contributed to research in topics: Irradiation & Pulsed laser deposition. The author has an hindex of 25, co-authored 96 publications receiving 2266 citations. Previous affiliations of Keith J. Leonard include University of Cincinnati.
Papers
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Irradiation-free, columnar defects comprised of self-assembled nanodots and nanorods resulting in strongly enhanced flux-pinning in YBa2Cu3O7−δ films
Amit Goyal,S. Kang,Keith J. Leonard,Patrick M Martin,Albert A. Gapud,Maria Varela,Mariappan Parans Paranthaman,A.O. Ijaduola,Eliot D. Specht,James R Thompson,James R Thompson,David K. Christen,Stephen J. Pennycook,F.A. List +13 more
TL;DR: In this paper, a simple and practically scalable technique was used to produce long, nearly continuous vortex pins along the c-axis in YBa2Cu3O7?? (YBCO), in the form of self-assembled stacks of BaZrO3 (BZO) nanodots and nanorods.
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Microstructural stability and mechanical behavior of FeNiMnCr high entropy alloy under ion irradiation
TL;DR: In this paper, a single phase (face centered cubic) concentrated solid solution alloy of composition 27%Fe-28%Ni-27%Mn-18%Cr was irradiated with 3 or 5.8 MeV Ni ions at temperatures ranging from room temperature to 700 Ã 0.03 to 10 displacements per atom (dpa).
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Reverse micellar synthesis of cerium oxide nanoparticles
TL;DR: In this paper, reverse micellar synthesis of cerium oxide, CeO2, and 1-butanol co-surfactant was used to obtain 3.7 nm nanoparticles.
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Enhancement of flux pinning and critical currents in YBa2Cu3O7−δ films by nanoscale iridium pretreatment of substrate surfaces
Tolga Aytug,Mariappan Parans Paranthaman,Albert Agcaoili Gapud,S. Kang,Hans M. Christen,Keith J. Leonard,Patrick M Martin,James R. Thompson,David K. Christen,R. L. Meng,I. Rusakova,C.W. Chu,T. H. Johansen +12 more
TL;DR: In this article, the effects of substrate surface modification on the growth-induced fluxpinning nanostructures in YBa2Cu3O7−δ (YBCO) films were investigated.
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Stability of SiC-matrix microencapsulated fuel constituents at relevant LWR conditions
Lance Lewis Snead,Kurt A. Terrani,Yutai Katoh,Chinthaka M. Silva,Keith J. Leonard,Alejandro G. Perez-Bergquist +5 more
TL;DR: In this paper, the authors addressed the feasibility issues facing the application of SiC-matrix microenculated fuels for light water reactor application and found that the SiC matrix was quite stable with behavior similar to that of CVD SiC.