TY - JOUR
T1 - Search for new superconductors by the Li-intercalation into layered perovskites
AU - Kato, M.
AU - Kajita, T.
AU - Hanakago, R.
AU - Koike, Y.
N1 - Funding Information:
This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture, Japan.
PY - 2006/10/1
Y1 - 2006/10/1
N2 - Synthesis and superconductivity of new Li-intercalated layered perovskites, LixSr2CuO2X2 (X = Cl, Br, I) and LixAB2M3O10 (A = K, Rb, Cs; B = Ca, Sr, Ba; M = Nb, Ta), are reviewed. Li-intercalation has been carried out by the electrochemical technique. First, layered cuprates LixSr2CuO2X2 show superconductivity with Tc = 8.0 K and 4.5 K for X = Br and I, respectively. However, no superconductivity appears for X = Cl. Next, we have succeeded in preparing new superconductors, LixCsSr2Nb3O10 with Tc = 5.5 K and LixRbSr2Nb3O10 with Tc = 6 K. In the layered tantalates of LixCsSr2Ta3O10, however, no superconductivity has been observed.
AB - Synthesis and superconductivity of new Li-intercalated layered perovskites, LixSr2CuO2X2 (X = Cl, Br, I) and LixAB2M3O10 (A = K, Rb, Cs; B = Ca, Sr, Ba; M = Nb, Ta), are reviewed. Li-intercalation has been carried out by the electrochemical technique. First, layered cuprates LixSr2CuO2X2 show superconductivity with Tc = 8.0 K and 4.5 K for X = Br and I, respectively. However, no superconductivity appears for X = Cl. Next, we have succeeded in preparing new superconductors, LixCsSr2Nb3O10 with Tc = 5.5 K and LixRbSr2Nb3O10 with Tc = 6 K. In the layered tantalates of LixCsSr2Ta3O10, however, no superconductivity has been observed.
KW - Electron-doping
KW - Li-intercalation
KW - New superconductor
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U2 - 10.1016/j.physc.2006.03.070
DO - 10.1016/j.physc.2006.03.070
M3 - Article
AN - SCOPUS:33748166990
VL - 445-448
SP - 26
EP - 30
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - 1-2
ER -