151-Eu Mössbauer effect study of Pb2Sr2Eu.3Ca.7Cu3O8+z superconductor

✍ Scribed by Prem P. Vaishnava; Carl D. Nelson; William P. Pratt Jr.; Punit Boolchand

• Publisher: Elsevier Science
• Year: 1990
• Tongue: English
• Weight: 331 KB
• Volume: 165-166
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/s0921-4526(09)80248-2

✦ Synopsis

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.