151Eu Mössbauer studies in some Eu substituted high temperature oxide superconductors
✍ Scribed by R. Nagarajan; S. K. Malik; C. V. Tomy; D. T. Adroja; N. C. Soni; Ram Prasad
- Book ID
- 112745111
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 42 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0304-3843
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📜 SIMILAR VOLUMES
Magnetic and 151 Eu Mo¨ssbauer studies have been carried out on the ruthenocuprate magnetic superconductors, EuSr 2 Ru 1Àx Cu 2þx O 8 ðÀ0:1pxp0:25Þ. The magnetic ordering temperature (T M ) decreases from 135 K for x ¼ 0:0 to 125 K for x ¼ 0:25 and the superconducting transition temperature increase
Eu-substituted (Tl 0.6 Pb 0.4 )(Sr 0.9 Ba 0.1 ) 2 (Ca 1Àx Eu x )Cu 2 O y , for x = 0.2, 0.4, and 0.6 compounds were prepared and investigated by 151 Eu Mo ¨ssbauer spectroscopy, XRD, SEM, EDAX and electrical resistance measurements. The 151 Eu isomer shift reflected trivalent Eu in all cases, but it