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Seebeck coefficient as an indicator of oxygen content in YBCO

โœ Scribed by J.W. Cochrane; G.J. Russell; D.N. Matthews

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
316 KB
Volume
232
Category
Article
ISSN
0921-4534

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โœฆ Synopsis

Measurement of the Seebeck coefficient at room temperature provides a simple method for the determination of the oxygen content and carrier sign for sintered, polycrystalline, high-Tยข YBa2Cu3OT_6 samples. From our measurements and those reported previously, a universal curve of oxygen content (7-d) versus Seebeck coefficient has been developed for these materials. This technique is also useful for the determination of both spatial sample homogeneity, and quality control of batch powder processing conditions in large-scale manufacturing operations, as well as grain orientation in melt-processed materials.

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