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| Title: | Two effects of iodine intercalation on T_c in Bi_2Sr_2Ca_<1-x>Y_xCu_2O_8 : Two-dimensionality and charge transfer |
| Authors: | Fujiwara, Akihiko
Koike, Yoji
Sasaki, Keiichi
Mochida, Mitsunori
Noji, Takashi
Saito, Yoshitami |
| Keywords: | High-T_c superconductivity
Bi_2Sr_2Ca_<1-x>Y_xCu_2O_8I
Intercalation
Electrical resistivity
AC magnetic susceptibility |
| Issue Date: | 1993-04-01 |
| Publisher: | Elsevier |
| Magazine name: | Physica C: Superconductivity |
| Volume: | 208 |
| Number: | 1-2 |
| Start page: | 29 |
| End page: | 37 |
| DOI: | 10.1016/0921-4534(93)90665-D |
| Abstract: | Effects of stage-1 iodine-intercalation on T_c have been investigated in Bi_2Sr_2Ca_<1-x>Y_xCu_2O_8. The iodine intercalation causes two large effects; one is a change of the two-dimensionality due to an expansion of the crystal along the c-axis, the other is an increase of conducting hole carriers due to charge transfer between intercalated iodine atoms and CuO_2 sheets in the host material. For the stage-1 iodine-intercalation compounds, it has been found that the former effect decreases T_c by about 10 K and that the latter effect shifts the x dependence of T_c to larger x values by about 0.05 because of the increase of conducting hole carriers by about 0.025 per CuO_2 unit. It has been concluded that the decrease in T_c through iodine intercalation in Bi_2Sr_2CaCu_2O_8 is due to the both effects. |
| Rights: | NOTICE: This is the author’s version of a work accepted for publication by Elsevier.
Changes resulting from the publishing process, including peer review, editing, corrections,
structural formatting and other quality control mechanisms, may not be reflected in this
document. Changes may have been made to this work since it was submitted for publication.
A definitive version was subsequently published in Akihiko Fujiwara, Yoji Koike, Keiichi Sasaki, Mitsunori Mochida, Takashi Noji and Yoshitami Saito, Physica C: Superconductivity, 208(1-2), 1993, 29-37, http://dx.doi.org/10.1016/0921-4534(93)90665-D |
| URI: | http://hdl.handle.net/10119/4935 |
| Material Type: | author |
| Appears in Collections: | c10-1. 雑誌掲載論文 (Journal Articles)
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