Synthesis of the high-temperature superconductors HgBa2CaCu2O6+δ and HgBa2Ca2Cu3O8+δ

R. L. Meng; L. Beauvais; X. N. Zhang; Z. J. Huang; Y. Y. Sun; Y. Y. Xue; C. W. Chu

doi:10.1016/0921-4534(93)90629-5

Synthesis of the high-temperature superconductors HgBa₂CaCu₂O_6+δ and HgBa₂Ca₂Cu₃O_8+δ

R. L. Meng, L. Beauvais, X. N. Zhang, Z. J. Huang, Y. Y. Sun, Y. Y. Xue, C. W. Chu

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Abstract

The newly-discovered homologous series HgBa₂Ca_n-1Cu_nO_2n+2+δ [Hg-12 (n-1)n] with n = 1, 2, 3,... possesses the highest superconducting transition-temperature (T_c) to date. Unfortunately, because of the complexity of its compound chemistry, it remains a challenge to prepare samples with pure or nearly-pure Hg-12 (n-1)n for both scientific and applied studies. In the present investigation, we report the successful development of a controlled vapor/solid reaction process for the synthesis of samples with up to 75 to 90% Hg-1212 and 65 to 75% Hg-1223 by volume, which display sharp superconducting transitions up to 135 K. Detailed steps of the process are presented and discussed.

Original language	English
Pages (from-to)	21-28
Number of pages	8
Journal	Physica C: Superconductivity and its applications
Volume	216
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(93)90629-5
Publication status	Published - 1993 Oct 15

All Science Journal Classification (ASJC) codes

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(93)90629-5

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title = "Synthesis of the high-temperature superconductors HgBa2CaCu2O6+δ and HgBa2Ca2Cu3O8+δ",

abstract = "The newly-discovered homologous series HgBa2Can-1CunO2n+2+δ [Hg-12 (n-1)n] with n = 1, 2, 3,... possesses the highest superconducting transition-temperature (Tc) to date. Unfortunately, because of the complexity of its compound chemistry, it remains a challenge to prepare samples with pure or nearly-pure Hg-12 (n-1)n for both scientific and applied studies. In the present investigation, we report the successful development of a controlled vapor/solid reaction process for the synthesis of samples with up to 75 to 90% Hg-1212 and 65 to 75% Hg-1223 by volume, which display sharp superconducting transitions up to 135 K. Detailed steps of the process are presented and discussed.",

author = "Meng, {R. L.} and L. Beauvais and Zhang, {X. N.} and Huang, {Z. J.} and Sun, {Y. Y.} and Xue, {Y. Y.} and Chu, {C. W.}",

note = "Funding Information: This work was supportedin part by NSF Grant No. DMR-91-22043U, SAFOSR Grant No. F49620-93-l-031 0,t heS tateo f Texast hrought heT exasC enter for Su~r~ndu~tivitya t the U~ve~ity of Houston, and the T.L.L. TempleF oundation.",

year = "1993",

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doi = "10.1016/0921-4534(93)90629-5",

language = "English",

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T1 - Synthesis of the high-temperature superconductors HgBa2CaCu2O6+δ and HgBa2Ca2Cu3O8+δ

AU - Meng, R. L.

AU - Beauvais, L.

AU - Zhang, X. N.

AU - Huang, Z. J.

AU - Sun, Y. Y.

AU - Xue, Y. Y.

AU - Chu, C. W.

N1 - Funding Information: This work was supportedin part by NSF Grant No. DMR-91-22043U, SAFOSR Grant No. F49620-93-l-031 0,t heS tateo f Texast hrought heT exasC enter for Su~r~ndu~tivitya t the U~ve~ity of Houston, and the T.L.L. TempleF oundation.

PY - 1993/10/15

Y1 - 1993/10/15

N2 - The newly-discovered homologous series HgBa2Can-1CunO2n+2+δ [Hg-12 (n-1)n] with n = 1, 2, 3,... possesses the highest superconducting transition-temperature (Tc) to date. Unfortunately, because of the complexity of its compound chemistry, it remains a challenge to prepare samples with pure or nearly-pure Hg-12 (n-1)n for both scientific and applied studies. In the present investigation, we report the successful development of a controlled vapor/solid reaction process for the synthesis of samples with up to 75 to 90% Hg-1212 and 65 to 75% Hg-1223 by volume, which display sharp superconducting transitions up to 135 K. Detailed steps of the process are presented and discussed.

AB - The newly-discovered homologous series HgBa2Can-1CunO2n+2+δ [Hg-12 (n-1)n] with n = 1, 2, 3,... possesses the highest superconducting transition-temperature (Tc) to date. Unfortunately, because of the complexity of its compound chemistry, it remains a challenge to prepare samples with pure or nearly-pure Hg-12 (n-1)n for both scientific and applied studies. In the present investigation, we report the successful development of a controlled vapor/solid reaction process for the synthesis of samples with up to 75 to 90% Hg-1212 and 65 to 75% Hg-1223 by volume, which display sharp superconducting transitions up to 135 K. Detailed steps of the process are presented and discussed.

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Synthesis of the high-temperature superconductors HgBa₂CaCu₂O_6+δ and HgBa₂Ca₂Cu₃O_8+δ

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