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Journal Articles

Periodic hole structure in a spin-chain ladder material Sr$$_{14}$$Cu$$_{24}$$O$$_{41}$$

Fukuda, Tatsuo; Mizuki, Junichiro; Matsuda, Masaaki

Physical Review B, 66(1), p.012104_1 - 012104_4, 2002/07

https://doi.org/10.1103/PhysRevB.66.012104
 Times Cited Count：16 Percentile：61.17(Materials Science, Multidisciplinary)

High-energy synchrotron X-ray diffraction measurements were carried out on a single crystal of Sr$$_{14}$$Cu$$_{24}$$O$$_{41}$$, and we found that the lattice distortion has not $$four$$ but $$five$$ times the periodicity of the chain structure along $$c$$(II chain axis) direction at low temperature. These satellite peaks decreased in intensity with increasing temperature. These observations were interpreted properly in terms of a hole ordering model involving the dimerized state of two Cu$$^{2+}$$ ions and a Cu$$^{3+}$$ ion on a Zhang-Rice singlet site in the CuO$$_2$$ chains. These features were clearly observed by using high-energy X-rays ($$E_isimeq$$53.789 keV), while the superlattice peak intensity varied drastically with very little sample surface treatment in the case of low-energy X-ray experiments ($$E_isimeq$$15.498 keV).

Journal Articles

Spin gap in the hole-doped spin ladder system (Sr$$_{2.5}$$Ca$$_{11.5}$$)Cu$$_{24}$$O$$_{41}$$; Neutron inelastic scattering study

Katano, Susumu; *; Akimitsu, Jun*; Nishi, Masakazu*; Kakurai, Kazuhisa*

Physical Review Letters, 82(3), p.636 - 639, 1999/01

https://doi.org/10.1103/PhysRevLett.82.636
 Times Cited Count：65 Percentile：88.72(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Coexistence of the spin liquid state and the magnetic ordering in the spin ladder compound; Sr$$_{14-x}$$Ca$$_{x}$$Cu$$_{24}$$O$$_{41}$$

*; *; *; Akimitsu, Jun*; Katano, Susumu; Nishi, Masakazu*; Kakurai, Kazuhisa*

Journal of Physics and Chemistry of Solids, 60(8-9), p.1039 - 1043, 1999/00

https://doi.org/10.1016/S0022-3697(99)00044-X
 Times Cited Count：3 Percentile：23.12(Chemistry, Multidisciplinary)

no abstracts in English

Journal Articles

Pressure effects on spin-gap and antiferromagnetism in the hole-doped spin ladder system Sr$$_{2.5}$$Ca$$_{11.5}$$Cu$$_{24}$$O$$_{41}$$

Katano, Susumu; *; *; Akimitsu, Jun*; Nishi, Masakazu*; Kakurai, Kazuhisa*

Physica B; Condensed Matter, 259-261, p.1046 - 1047, 1999/00

https://doi.org/10.1016/S0921-4526(98)00692-9
 Times Cited Count：10 Percentile：51.95(Physics, Condensed Matter)

no abstracts in English

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