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Kenneth S. Suslick Prozorov, Tatiana 2015-09-25T22:31:03Z 2015-09-25T22:31:03Z 10000-01-01 2004 2004 "Applications of superconductors are determined by the critical current density, above which a superconductor becomes resistive and dissipates energy. To increase the critical value, small defects are introduced into the superconductor's bulk (""pinning""). Ultrasonic irradiation of alkane slurries containing polycrystalline superconducting materials, with Fe(CO)5 or MO(CO) 6 leads to embedding of produced in situ ferromagnetic Fe2O3 or Mo2O5 nanoparticles into the bulk of superconducting material, thus creating novel nanocomposite materials. Study conducted on obtained Fe2O3-MgB2 and Mo2O5-MgB2 nanocomposite material exhibit significant enhancement of magnetic flux pinning. Similar study focused on such promising high-Tc superconductors as YBa 2Ca3CuO7-delta and Bi2Sr 2CaCu2O8+x. (Abstract shortened by UMI.)." Made available in DSpace on 2015-09-25T22:31:03Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3148049.pdf: 4211862 bytes, checksum: 751d093c1839e5534cbef2e6ad353a50 (MD5) Previous issue date: 2004 Embargo set by: Seth Robbins for item 86216 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 177 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2004. http://hdl.handle.net/2142/84935 (MiAaPQ)AAI3148049 eng Physics, Condensed Matter Applications of High-Intensity Ultrasound for Synthesis and Modification of Advanced Materials text Ph.D. Nutritional Sciences Nutritional Sciences University of Illinois at Urbana-Champaign Dissertation