Abstract
Three new oxycarbonate superconductors recently obtained in our laboratory are described. (1) Sr2CuO2(CO3)1-x(BO3)x (Tc = 35 K) was synthesized under ambient pressure, providing a new method for carrier doping on the layered copper oxycarbonate system. (2) Can(Ca, Sr)2Cun+1(CO3)Oy (n = 1, 2, 3) was synthesized under high pressure. Superconductivity was achieved by substituting (BO3)3- for a part of (CO3)2-. (3) A new Hg system HgBa2Sr2Cu2(CO3)O6+δwas synthesized. Tc obtained from the magnetic susceptibility is about 66 K.
| Original language | English |
|---|---|
| Pages (from-to) | 19-22 |
| Number of pages | 4 |
| Journal | Journal of Superconductivity |
| Volume | 7 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Feb 1 1994 |
| Externally published | Yes |
Keywords
- Ca n(Ca, Sr)Cu (Co)O (n = 1,2,3)
- HgBaSrCu(CO)O
- SrCuO(CO)(BO)
- copper oxycarbonate, copper oxyborate
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Physics and Astronomy (miscellaneous)
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Akimitsu, J., Nakata, H., & Uehara, M. (1994). A new family of superconductors containing carbonate group. Journal of Superconductivity, 7(1), 19-22. https://doi.org/10.1007/BF00730360