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Eu151Mössbauer study and role of Eu ions in EuxY1−xBa2Cu3O7−yhigh Tcsuperconductors

✍ Scribed by R. K. Puri; V. D. Mishra

Publisher
Springer
Year
1993
Tongue
English
Weight
237 KB
Volume
12
Category
Article
ISSN
0261-8028

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l5l-Eu MOssbauer Effect measurements have been performed on the title superconductor at 78 K. The quadrupole coupling constant ( -168 + 14 MHz) is found to be small and negative. The isomer shift ( 0.78 + .03 rom/s relative to EUF3) implies that Eu is trivalent in the compound.