The modulated structures of Bi2Sr2CaCu2O8+x and Bi4Sr4CaCu3O14+x by single crystal X-ray diffraction data
โ Scribed by A.A. Levin; Yu.F. Shepelev; Yu.I. Smolin
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 147 KB
- Volume
- 235-240
- Category
- Article
- ISSN
- 0921-4534
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โฆ Synopsis
Modulated structures
of the Bi-2212 and Bi-4413 superconductors have been studied using the supercell five times enlarged in the b-direction. Brief comparison have been made of the modulated structures.
๐ SIMILAR VOLUMES
The present work reports new features of an X-ray diffraction pattern from Bi-Sr-Ca-Cu-0 (2212). The crystal had the orthorhombic cell with the lattice parameters: a= 5.407 A, b= 5.410 i\, ~~30.762 A, wave vectors of modulation q'= +S b\*+c\*, where 6~0.2 1, A new observation is diffuse spots locate
Single-crystal, stage-1 IBi2Sr2CaCu2Os+ x was synthes~zext. X-ray diffraction patterns indicate that upon intercalation, the c-axis correlation length decrea.,,,s substantially, but the in-plane host layer structure appears to remain unchanged. The compounds exhibit resonance Raman scattering. Raman
Structural studies have been carried out in large size superconducting single crystals of Bi 2 Sr 2 CaCu 2 O 8รพx grown by self-flux method. Surface morphology of the crystals in respect of growth steps, slip lines/bands and etch pits has been examined by scanning electron microscopy (SEM). A quantit