Improvement of phase purity and accelerated formation of the Tl-1223 phase from the stoichiometric compositions (Tl0.6Pb0.2Bi0.2) (Sr2-xBax)Ca2Cu3O9 (x=0.2-0.3)

R. S. Liu; S. F. Wu; D. S. Shy; S. F. Hu; D. A. Jefferson

doi:10.1016/0921-4534(94)90544-4

Improvement of phase purity and accelerated formation of the Tl-1223 phase from the stoichiometric compositions (Tl_0.6Pb_0.2Bi_0.2) (Sr_2-xBa_x)Ca₂Cu₃O₉ (x=0.2-0.3)

R. S. Liu^*, S. F. Wu, D. S. Shy, S. F. Hu, D. A. Jefferson

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

We report an efficient and highly reproducible method for the preparation of the almost monophasic Tl-1223 phase by partial substitution of Ba²⁺ into Sr²⁺ sites in the stoichiometric compositions of (Tl_0.6Pb_0.2Bi_0.2)(Sr_2-xBa_x)Ca₂ Cu₃O₉ (x=0.2-0.3). The as-synthesized samples have a superconducting transition temperature around 115 K which can be further increased up to 122 K after post-annealing at 820°C for 20 h in oxygen.

Original language	English
Pages (from-to)	278-282
Number of pages	5
Journal	Physica C: Superconductivity and its applications
Volume	222
Issue number	3-4
DOIs	https://doi.org/10.1016/0921-4534(94)90544-4
Publication status	Published - 1994 Mar 20
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/0921-4534(94)90544-4

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Improvement of phase purity and accelerated formation of the Tl-1223 phase from the stoichiometric compositions (Tl_0.6Pb_0.2Bi_0.2) (Sr_2-xBa_x)Ca₂Cu₃O₉ (x=0.2-0.3). / Liu, R. S.; Wu, S. F.; Shy, D. S. et al.
In: Physica C: Superconductivity and its applications, Vol. 222, No. 3-4, 20.03.1994, p. 278-282.

Research output: Contribution to journal › Article › peer-review

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title = "Improvement of phase purity and accelerated formation of the Tl-1223 phase from the stoichiometric compositions (Tl0.6Pb0.2Bi0.2) (Sr2-xBax)Ca2Cu3O9 (x=0.2-0.3)",

abstract = "We report an efficient and highly reproducible method for the preparation of the almost monophasic Tl-1223 phase by partial substitution of Ba2+ into Sr2+ sites in the stoichiometric compositions of (Tl0.6Pb0.2Bi0.2)(Sr2-xBax)Ca2 Cu3O9 (x=0.2-0.3). The as-synthesized samples have a superconducting transition temperature around 115 K which can be further increased up to 122 K after post-annealing at 820°C for 20 h in oxygen.",

author = "Liu, {R. S.} and Wu, {S. F.} and Shy, {D. S.} and Hu, {S. F.} and Jefferson, {D. A.}",

note = "Funding Information: The authorsw ould like to thank the Ministry of EconomicA ffairs of the Republico f China for financial support. Onoef us (SFH) alsot hankst hefinan-cial supportf rom GirtonC ollege( Cambridge)a nd CambridgeO verseasT rust. Electronm icroscopefa -",

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doi = "10.1016/0921-4534(94)90544-4",

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T1 - Improvement of phase purity and accelerated formation of the Tl-1223 phase from the stoichiometric compositions (Tl0.6Pb0.2Bi0.2) (Sr2-xBax)Ca2Cu3O9 (x=0.2-0.3)

AU - Liu, R. S.

AU - Wu, S. F.

AU - Shy, D. S.

AU - Hu, S. F.

AU - Jefferson, D. A.

N1 - Funding Information: The authorsw ould like to thank the Ministry of EconomicA ffairs of the Republico f China for financial support. Onoef us (SFH) alsot hankst hefinan-cial supportf rom GirtonC ollege( Cambridge)a nd CambridgeO verseasT rust. Electronm icroscopefa -

PY - 1994/3/20

Y1 - 1994/3/20

N2 - We report an efficient and highly reproducible method for the preparation of the almost monophasic Tl-1223 phase by partial substitution of Ba2+ into Sr2+ sites in the stoichiometric compositions of (Tl0.6Pb0.2Bi0.2)(Sr2-xBax)Ca2 Cu3O9 (x=0.2-0.3). The as-synthesized samples have a superconducting transition temperature around 115 K which can be further increased up to 122 K after post-annealing at 820°C for 20 h in oxygen.

AB - We report an efficient and highly reproducible method for the preparation of the almost monophasic Tl-1223 phase by partial substitution of Ba2+ into Sr2+ sites in the stoichiometric compositions of (Tl0.6Pb0.2Bi0.2)(Sr2-xBax)Ca2 Cu3O9 (x=0.2-0.3). The as-synthesized samples have a superconducting transition temperature around 115 K which can be further increased up to 122 K after post-annealing at 820°C for 20 h in oxygen.

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Improvement of phase purity and accelerated formation of the Tl-1223 phase from the stoichiometric compositions (Tl_0.6Pb_0.2Bi_0.2) (Sr_2-xBa_x)Ca₂Cu₃O₉ (x=0.2-0.3)

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