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Jpn. J. Appl. Phys. 27 (1988) pp. L1620-L1622  |Next Article|  |Table of Contents|
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Letter

The Superconductivity in the Bi-Sr-Ln-Cu-O System (Ln=Pr, Nd and La)

Tohru Den,¹ Akira Yamazaki and Jun Akimitsu

Department of Physics, Aoyama-Gakuin University
¹Canon Research Center

(Received April 21, 1988; accepted for publication August 17, 1988)

The superconductivity in samples nominally described as Bi₂(Sr_1-xLn_x)₂Cu_1+nO_y (Ln: lanthanide elements and yttrium: n=0 and 1) was investigated. The effect of an increasing T_C compared with that of Bi₂Sr₂CuO_y was observed for Ln=La, Pr and Nd. The highest end-point of the transition temperature of Bi₂(Sr_1-xNd_x)₂CuO_y was 20.4 K with x=0.25. Compounds described as Bi₂(Sr_0.95Ln_0.05)₂CuO_y (Ln=Pr and Nd) had an onset T_C of about 60 K, and small but definite Meissner effects were also observed.

URL: http://jjap.jsap.jp/link?JJAP/27/L1620/
DOI: 10.1143/JJAP.27.L1620

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References | Citing Articles (17)

1. C. Michel, M. Hervieu, M. M. Borel, A. Grandin, F. Deslandes, J. Provost and B. Raveau: Z. Phys. B68, (1987) 421[CrossRef].
2. J. Akimitsu, A. Yamazaki, H. Sawa and H. Fujiki: Jpn. J. Appl. Phys. 26 (1987) L2080[JSAP].
3. M. Onoda, M. Sera, K. Fukuda, S. Kondoh, M. Sato, T. Den, H. Sawa, and J. Akimitsu: Solid State Commun. 66, (1988) 189.
4. H. Maeda, Y. Tanaka, M. Fukutomi and T. Asano: Jpn. J. Appl. Phys. 27 (1988) L209[JSAP].
5. H. Sawa, H. Fujiki, K. Tomimoto and J. Akimitsu: Jpn. J. Appl. Phys. 27, (1988) L830[JSAP].

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