TY - JOUR
T1 - Pressure-induced dimensional crossover and superconductivity in the hole-doped two-leg ladder compound Sr14-xCaxCu24O41
AU - Nagata, T.
AU - Uehara, M.
AU - Goto, J.
AU - Akimitsu, J.
AU - Motoyama, N.
AU - Eisaki, H.
AU - Uchida, S.
AU - Takahashi, H.
AU - Nakanishi, T.
AU - Môri, N.
PY - 1998
Y1 - 1998
N2 - Anisotropic electrical resistivity under high pressure was measured for a single crystal of Sr2.5Ca11.5-Cu24O41, a hole-doped two-leg ladder compound. Superconductivity was observed between 3.5 and 8 GPa, accompanied by metallic resistivity between the ladders, which indicates semiconducting behavior at ambient pressure. This in turn strongly suggests that the application of pressure brings about a dimensional crossover from one to two, and that superconductivity in this system is a consequence of an insulator to superconductor transition in the anisotropic two-dimensional system.
AB - Anisotropic electrical resistivity under high pressure was measured for a single crystal of Sr2.5Ca11.5-Cu24O41, a hole-doped two-leg ladder compound. Superconductivity was observed between 3.5 and 8 GPa, accompanied by metallic resistivity between the ladders, which indicates semiconducting behavior at ambient pressure. This in turn strongly suggests that the application of pressure brings about a dimensional crossover from one to two, and that superconductivity in this system is a consequence of an insulator to superconductor transition in the anisotropic two-dimensional system.
UR - http://www.scopus.com/inward/record.url?scp=4244054036&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=4244054036&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.81.1090
DO - 10.1103/PhysRevLett.81.1090
M3 - Article
AN - SCOPUS:4244054036
VL - 81
SP - 1090
EP - 1093
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 5
ER -