TY - JOUR
T1 - Antiferromagnetism and spin gap state in the two-leg ladder system
AU - Akimitsu, J.
N1 - Funding Information:
This work was partially supported by a Grant-in-Aid for Science Research from the Ministry of Education, Science and Culture, Japan and by a Grant from the CREST.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2001/1
Y1 - 2001/1
N2 - We report here the magnetic ground state in the hole-doped two-leg ladder system Sr2.5Ca11.5Cu24O41 at ambient pressure. We clearly observed the singlet ground state, of which values are almost unchanged for the different Ca concentration (approximately 32 meV). We also observed the antiferromagnetic long-range order below TN, of which values are between approximately 0.6 K(x = 9) and approximately 3.6 K(x = 1.36). A possible magnetic structure of this system, was also discussed. These facts can be interpreted in line with scenario that the singlet state and antiferromagnetic order coexist at ambient pressure and these localized hole pairs begin to move under pressure, resulting in the occurrence of superconductivity.
AB - We report here the magnetic ground state in the hole-doped two-leg ladder system Sr2.5Ca11.5Cu24O41 at ambient pressure. We clearly observed the singlet ground state, of which values are almost unchanged for the different Ca concentration (approximately 32 meV). We also observed the antiferromagnetic long-range order below TN, of which values are between approximately 0.6 K(x = 9) and approximately 3.6 K(x = 1.36). A possible magnetic structure of this system, was also discussed. These facts can be interpreted in line with scenario that the singlet state and antiferromagnetic order coexist at ambient pressure and these localized hole pairs begin to move under pressure, resulting in the occurrence of superconductivity.
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U2 - 10.1016/S0022-3697(00)00115-3
DO - 10.1016/S0022-3697(00)00115-3
M3 - Article
AN - SCOPUS:0034826282
VL - 62
SP - 135
EP - 140
JO - Journal of Physics and Chemistry of Solids
JF - Journal of Physics and Chemistry of Solids
SN - 0022-3697
IS - 1-2
ER -