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X-ray diffraction and high-pressure Raman scattering study of iodine-intercalated Bi2Sr2CaCu2O8+x

โœ Scribed by C.H. Qiu; S.P. Ahrenkiel; N. Wada; T.F. Ciszek


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
173 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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โœฆ Synopsis


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 peaks observed are claimed to correspond to an 12 stretching mode. It is suggested that the intercalated layers consist of I2 molecules with two possible orientations.


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X-ray diffraction studies of high-Tc Bi2
โœ L.A. Novomlinsky; B.Zh. Narymbetov; V.Sh. Shekhtman ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 407 KB

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