Search Results - "Namavar, Fereydoon"
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The effect of electronic energy loss on irradiation-induced grain growth in nanocrystalline oxides
Published in Physical chemistry chemical physics : PCCP (01-01-2014)“…Grain growth of nanocrystalline materials is generally thermally activated, but can also be driven by irradiation at much lower temperature. In nanocrystalline…”
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2
Phase Transformation of Nanosized ZrO2 upon Thermal Annealing and Intense Radiation
Published in Journal of physical chemistry. C (21-04-2011)“…The phase stability and microstructure evolution of zirconia nanofilms on Si substrates prepared by ion beam assisted deposition (IBAD) upon thermal annealing…”
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3
Surface nano-modification by ion beam-assisted deposition alters the expression of osteogenic genes in osteoblasts
Published in Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine (01-09-2019)“…Biomaterials with enhanced biocompatibility are favored in implant studies to improve the outcomes of total joint replacement surgeries. This study tested the…”
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4
Structural modification of nanocrystalline ceria by ion beams
Published in Physical chemistry chemical physics : PCCP (01-01-2011)“…Exceptional size-dependent electronic-ionic conductivity of nanostructured ceria can significantly alter materials properties in chemical, physical, electronic…”
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5
Lattice distortions and oxygen vacancies produced in Au +-irradiated nanocrystalline cubic zirconia
Published in Scripta materialia (01-10-2011)“…The oxygen ion conductivity, attributed to an oxygen vacancy mechanism, of yttria-stabilized zirconia membranes used in solid oxide fuel cells is restricted…”
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6
Ion beam-induced amorphous-to-tetragonal phase transformation and grain growth of nanocrystalline zirconia
Published in Nanotechnology (17-06-2009)“…Nanocrystalline zirconia has recently attracted extensive research interest due to its unique mechanical, thermal and electrical properties as compared with…”
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7
Ion-Beam-Induced Chemical Mixing at a Nanocrystalline CeO2-Si Interface
Published in Journal of the American Ceramic Society (01-05-2013)“…Thin films of nanocrystalline ceria deposited onto a silicon substrate have been irradiated with 3 MeV Au+ ions to a total dose of 34 displacements per atom to…”
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8
Grain growth and phase stability of nanocrystalline cubic zirconia under ion irradiation
Published in Physical review. B, Condensed matter and materials physics (10-11-2010)“…Grain growth, oxygen stoichiometry, and phase stability of nanostructurally stabilized cubic zirconia (NSZ) are investigated under 2 MeV Au-ion bombardment at…”
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9
Visible electroluminescence from porous silicon np heterojunction diodes
Published in Applied physics letters (18-05-1992)“…We report the preparation of silicon-based visible light-emitting diodes, configured as heterojunctions between porous silicon (formed by electrochemical…”
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10
Formation of As precipitates in GaAs by ion implantation and thermal annealing
Published in Applied physics letters (15-03-1993)“…We show that it is possible to regrow an amorphous GaAs layer created by high dose As implantation at room temperature. If implantation parameters are…”
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Effects of the dielectric properties of the ceramic-solvent interface on the binding of proteins to oxide ceramics: a non-local electrostatic approach
Published in Nanotechnology (14-10-2016)“…The rapid development of nanoscience and nanotechnology has raised many fundamental questions that significantly impede progress in these fields. In…”
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12
Why Coating Technologies for Hip Replacement Systems, and the Importance of Testing Them In Vitro
Published in Operative techniques in orthopaedics (01-09-2017)“…The rationale behind novel surface engineering and coating technologies for implant articular surfaces is described especially for the significant number of…”
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13
Irradiation effects on microstructure change in nanocrystalline ceria – Phase, lattice stress, grain size and boundaries
Published in Acta materialia (01-09-2012)“…With a wide variety of applications in numerous industries, ranging from biomedical to nuclear, ceramics such as ceria are key engineering materials. It is…”
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14
Amorphization of nanocrystalline monoclinic ZrO2 by swift heavy ion irradiation
Published in Physical chemistry chemical physics : PCCP (21-09-2012)“…Bulk ZrO(2) polymorphs generally have an extremely high amorphization tolerance upon low energy ion and swift heavy ion irradiation in which ballistic…”
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15
Competing effects of electronic and nuclear energy loss on microstructural evolution in ionic-covalent materials
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-05-2014)“…Ever increasing energy needs have raised the demands for advanced fuels and cladding materials that withstand the extreme radiation environments with improved…”
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16
Anomalous grain growth in the surface region of a nanocrystalline CeO2 film under low-temperature heavy ion irradiation
Published in Physical review. B, Condensed matter and materials physics (15-06-2012)“…Grain growth and phase stability of nanocrystalline ceria are investigated under ion irradiation at different temperatures. Irradiations at temperatures of 300…”
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17
Nanosized Rutile (TiO2) Thin Film upon Ion Irradiation and Thermal Annealing
Published in Journal of physical chemistry. C (24-11-2011)“…Among three TiO2 polymorphs, rutile is thermodynamically unstable as compared with anatase and brookite when the crystal size is ∼10 nm. In this study,…”
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18
Lotus Effect in Engineered Zirconia
Published in Nano letters (01-04-2008)“…Patterned micro- and nanostructured surfaces have received increasing attention because of their ability to tune the hydrophobicity and hydrophilicity of their…”
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19
Lattice distortions and oxygen vacancies produced in Au+-irradiated nanocrystalline cubic zirconia
Published in Scripta materialia (01-10-2011)“…The oxygen ion conductivity, attributed to an oxygen vacancy mechanism, of yttria-stabilized zirconia membranes used in solid oxide fuel cells is restricted…”
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20
Displacive radiation-induced structural contraction in nanocrystalline ZrN
Published in Applied physics letters (23-07-2012)Get full text
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