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Electron Microscopy and X-ray Structural Investigations of Incommensurate Spin-Ladder Sr_{4.1}Ca_{4.7}Bi_{0.3}Cu_{17}O_{29} Single Crystals

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Dłużewski P., Pietraszko A., Kozłowski M., Szczepańska A., Górecka J., Baran M., Leonyuk L., Babonas G.-J., Lebedev O., Szymczak R.

Acta Physica Polonica A

2000

vol. 98

issue 6

729-737

Transmission electron microscopy and X-ray diffraction proved chain ladder incommensurate single crystal structure of investigated samples. The incommensurate ratio was determined from the X-ray and electron diffraction being equal to 0.704. Diffuse scattering intensities localised on the planes perpendicular to the c*-axis and passing through the spots originating from the periodicity of chain sublattice were detected. High-angle grain boundary or twinning formed by rotation of 33.3° around [100] direction was observed. High-resolution electron microscopy images revealed the stacking faults in ac planes.

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1 Acta Physica Polonica A

1 2000

1 Babonas G.-J.

1 Baran M.

1 Dłużewski P.

1 Górecka J.

1 Kozłowski M.

1 Lebedev O.

1 Leonyuk L.

1 Pietraszko A.

1 Szczepańska A.

1 Szymczak R.

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Electron Microscopy and X-ray Structural Investigations of Incommensurate Spin-Ladder Sr_{4.1}Ca_{4.7}Bi_{0.3}Cu_{17}O_{29} Single Crystals