Single crystal growth and physical properties of carbon-substituted YBa2Cu3O7-δ

H. Uchiyama; N. Matsukura; M. Murakami; S. Tajima

doi:10.1002/pssc.200669666

Single crystal growth and physical properties of carbon-substituted YBa₂Cu₃O_7-δ

H. Uchiyama, N. Matsukura, M. Murakami, S. Tajima

Research output: Contribution to journal › Conference article › peer-review

Abstract

Single crystals of C-substituted YBa₂Cu₃O _7-δ (C-YBCO) were prepared by changing atmosphere in a growing process. With increasing the CO₂ concentration in the atmosphere, the carbon content in a crystal increases, and the c-axis length decreases. From the T_c change under various annealing conditions and the magnetic susceptibility results, it was found that C-YBCO does not enter the carrier-overdoped region, while the non-substituted samples can. It suggests that the carbon substitution disturbs the oxygen diffusion, resulting in a suppression of carrier doping.

Original language	English
Pages (from-to)	2840-2843
Number of pages	4
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	3
Issue number	8
DOIs	https://doi.org/10.1002/pssc.200669666
Publication status	Published - 2006
Externally published	Yes
Event	15th International Conference on Ternary and Multinary Compounds, ICTMC-15 - Kyoto, Japan Duration: 2006 Mar 6 → 2006 Mar 10

ASJC Scopus subject areas

Condensed Matter Physics

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10.1002/pssc.200669666

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abstract = "Single crystals of C-substituted YBa2Cu3O 7-δ (C-YBCO) were prepared by changing atmosphere in a growing process. With increasing the CO2 concentration in the atmosphere, the carbon content in a crystal increases, and the c-axis length decreases. From the Tc change under various annealing conditions and the magnetic susceptibility results, it was found that C-YBCO does not enter the carrier-overdoped region, while the non-substituted samples can. It suggests that the carbon substitution disturbs the oxygen diffusion, resulting in a suppression of carrier doping.",

author = "H. Uchiyama and N. Matsukura and M. Murakami and S. Tajima",

year = "2006",

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note = "15th International Conference on Ternary and Multinary Compounds, ICTMC-15 ; Conference date: 06-03-2006 Through 10-03-2006",

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T1 - Single crystal growth and physical properties of carbon-substituted YBa2Cu3O7-δ

AU - Uchiyama, H.

AU - Matsukura, N.

AU - Murakami, M.

AU - Tajima, S.

PY - 2006

Y1 - 2006

N2 - Single crystals of C-substituted YBa2Cu3O 7-δ (C-YBCO) were prepared by changing atmosphere in a growing process. With increasing the CO2 concentration in the atmosphere, the carbon content in a crystal increases, and the c-axis length decreases. From the Tc change under various annealing conditions and the magnetic susceptibility results, it was found that C-YBCO does not enter the carrier-overdoped region, while the non-substituted samples can. It suggests that the carbon substitution disturbs the oxygen diffusion, resulting in a suppression of carrier doping.

AB - Single crystals of C-substituted YBa2Cu3O 7-δ (C-YBCO) were prepared by changing atmosphere in a growing process. With increasing the CO2 concentration in the atmosphere, the carbon content in a crystal increases, and the c-axis length decreases. From the Tc change under various annealing conditions and the magnetic susceptibility results, it was found that C-YBCO does not enter the carrier-overdoped region, while the non-substituted samples can. It suggests that the carbon substitution disturbs the oxygen diffusion, resulting in a suppression of carrier doping.

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DO - 10.1002/pssc.200669666

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JO - Physica Status Solidi C: Conferences

JF - Physica Status Solidi C: Conferences

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ER -

Single crystal growth and physical properties of carbon-substituted YBa₂Cu₃O_7-δ

Abstract

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