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HREM study of the iodine intercalated superconducting oxide IBi2Sr2CaCu2Oy

✍ Scribed by B. Chenevier; S. Ikeda; K. Kadowaki

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
176 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✦ Synopsis

The effect of the iodine intercalation on the structure of high Tc superconducting oxide Bi2Sr2CaCu208 ha.~ been studied by high resolution electron microscopy. The iodine atoms intercalate in between the two Bi-O planes of the Bi202 layers, in a plane Pl perpendicular to the c axis of the unit cell. A modulation is observed in this plane such that the major component of the iodine atoms displacement is parallel to the b axis. A model for the distribution of iodine and bismuth atoms in the average structure of IBi2Sr2CaCu2Oy, is presented.

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