Synthesis and properties of new cuprates (Cd0.5M0.5)Sr2YCu2O7 with the “1212” structure (M = Fe, Co)

W. J. Yu, Zhiqiang Mao, C. Y. Xu, M. L. Tian, L. Shi, G. E. Zhou, Y. H. Zhang

Research output: Contribution to journalArticle

Abstract

New cuprates of composition (Cd0.5M0.5)Sr2YCu2O7 (M = Fe, Co) with the “1212” structure are synthesized. X‐ray diffraction patterns show that both cuprates exhibit a tetragonal 1212‐phase structure. The lattice parameters of (Cd0.5Fe0.5)Sr2YCu2O7 are a = 3.809 Å and c = 11.423 Å; those of (Cd0.5Co0.5)Sr2YCu2O7 are a = 3.816 Å and c = 11.435 Å. The results of electron diffraction for the samples show that there is a 90° twinning of the c‐axis. The Raman spectra depict an apical‐O(2) vibration mode appearing at 544 cm−1 for (Cd0.5Fe0.5)Sr2YCu2O7 and 535 cm−1 for (Cd0.5Co0.5)Sr2YCu2O7. The samples act as semiconductors in the temperature range 12 to 300 K.

Original languageEnglish (US)
Pages (from-to)355-359
Number of pages5
Journalphysica status solidi (a)
Volume152
Issue number2
DOIs
StatePublished - Jan 1 1995

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Twinning
Electron diffraction
Diffraction patterns
cuprates
Lattice constants
Raman scattering
Semiconductor materials
synthesis
twinning
Chemical analysis
vibration mode
lattice parameters
diffraction patterns
electron diffraction
Raman spectra
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Yu, W. J. ; Mao, Zhiqiang ; Xu, C. Y. ; Tian, M. L. ; Shi, L. ; Zhou, G. E. ; Zhang, Y. H. / Synthesis and properties of new cuprates (Cd0.5M0.5)Sr2YCu2O7 with the “1212” structure (M = Fe, Co). In: physica status solidi (a). 1995 ; Vol. 152, No. 2. pp. 355-359.
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abstract = "New cuprates of composition (Cd0.5M0.5)Sr2YCu2O7 (M = Fe, Co) with the “1212” structure are synthesized. X‐ray diffraction patterns show that both cuprates exhibit a tetragonal 1212‐phase structure. The lattice parameters of (Cd0.5Fe0.5)Sr2YCu2O7 are a = 3.809 {\AA} and c = 11.423 {\AA}; those of (Cd0.5Co0.5)Sr2YCu2O7 are a = 3.816 {\AA} and c = 11.435 {\AA}. The results of electron diffraction for the samples show that there is a 90° twinning of the c‐axis. The Raman spectra depict an apical‐O(2) vibration mode appearing at 544 cm−1 for (Cd0.5Fe0.5)Sr2YCu2O7 and 535 cm−1 for (Cd0.5Co0.5)Sr2YCu2O7. The samples act as semiconductors in the temperature range 12 to 300 K.",
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Synthesis and properties of new cuprates (Cd0.5M0.5)Sr2YCu2O7 with the “1212” structure (M = Fe, Co). / Yu, W. J.; Mao, Zhiqiang; Xu, C. Y.; Tian, M. L.; Shi, L.; Zhou, G. E.; Zhang, Y. H.

In: physica status solidi (a), Vol. 152, No. 2, 01.01.1995, p. 355-359.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Synthesis and properties of new cuprates (Cd0.5M0.5)Sr2YCu2O7 with the “1212” structure (M = Fe, Co)

AU - Yu, W. J.

AU - Mao, Zhiqiang

AU - Xu, C. Y.

AU - Tian, M. L.

AU - Shi, L.

AU - Zhou, G. E.

AU - Zhang, Y. H.

PY - 1995/1/1

Y1 - 1995/1/1

N2 - New cuprates of composition (Cd0.5M0.5)Sr2YCu2O7 (M = Fe, Co) with the “1212” structure are synthesized. X‐ray diffraction patterns show that both cuprates exhibit a tetragonal 1212‐phase structure. The lattice parameters of (Cd0.5Fe0.5)Sr2YCu2O7 are a = 3.809 Å and c = 11.423 Å; those of (Cd0.5Co0.5)Sr2YCu2O7 are a = 3.816 Å and c = 11.435 Å. The results of electron diffraction for the samples show that there is a 90° twinning of the c‐axis. The Raman spectra depict an apical‐O(2) vibration mode appearing at 544 cm−1 for (Cd0.5Fe0.5)Sr2YCu2O7 and 535 cm−1 for (Cd0.5Co0.5)Sr2YCu2O7. The samples act as semiconductors in the temperature range 12 to 300 K.

AB - New cuprates of composition (Cd0.5M0.5)Sr2YCu2O7 (M = Fe, Co) with the “1212” structure are synthesized. X‐ray diffraction patterns show that both cuprates exhibit a tetragonal 1212‐phase structure. The lattice parameters of (Cd0.5Fe0.5)Sr2YCu2O7 are a = 3.809 Å and c = 11.423 Å; those of (Cd0.5Co0.5)Sr2YCu2O7 are a = 3.816 Å and c = 11.435 Å. The results of electron diffraction for the samples show that there is a 90° twinning of the c‐axis. The Raman spectra depict an apical‐O(2) vibration mode appearing at 544 cm−1 for (Cd0.5Fe0.5)Sr2YCu2O7 and 535 cm−1 for (Cd0.5Co0.5)Sr2YCu2O7. The samples act as semiconductors in the temperature range 12 to 300 K.

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