ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
This paper describes the details on synthesizing nanocrystalline Gd2BaCuO5 (Gd211) usinglow-temperature combustion synthesis(LCS). The morphology and structure of the powders arecharacterized by field emission scanning electron microscopy (FESEM) and XRD. The size ofobtained powders by this method calcined at 800 [removed info]C is about 100nm, which is much smaller than thepowders synthesizing by conventional solid state route. Besides, the Gd211 powders synthesizing byLCS have a low calcination temperature with a high-purity. The microstructure of melt-texturedsamples is also observed by FESEM, the result shows that the size of Gd211 particles trapped inGdBa2Cu3O7 (Gd123) matrix could be refined by using ultrafine Gd211 powder as a precursor. Therefined Gd211 particles with a good distribution resulted in the improvement of Jc values in thissystem
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/16/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.546-549.2111.pdf
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