112-114 K superconductors Bi1.8Pb0.3Sr2Ca2Cu3Oy by means of a three-step reaction process

Zhengping Xi Zhengping; Chunlin Ji Chunlin; Lian Zhou Lian

doi:10.1016/0038-1098(89)90619-4

112-114 K superconductors Bi_1.8Pb_0.3Sr₂Ca₂Cu₃O_y by means of a three-step reaction process

Zhengping Xi Zhengping, Chunlin Ji Chunlin, Lian Zhou Lian

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Abstract

112-114 K superconductors with nominal composition of Bi_1.8Pb_0.3Sr₂Ca₂Cu₃O_y were prepared by a three-step reaction process. The process consists of (1) carbonate calcination and BiPbSrCaO matrix formation at 800°C-840°C, (2) flash heating matrix-CuO mixture at 900°C, and (3) sample annealing at 855°C and furnace cooling to 400°C. The samples possess a quite low resistivity before superconductive transition (ρ{variant}-10^-1-10^-2 mΩ.cm) and have a transition width of 2.5 K. Results from a.c. susceptibility measurement indicate there are two superconducting phases between 100 and 110 K.

Original language	English
Pages (from-to)	1015-1017
Number of pages	3
Journal	Solid State Communications
Volume	72
Issue number	10
DOIs	https://doi.org/10.1016/0038-1098(89)90619-4
State	Published - Dec 1989
Externally published	Yes

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title = "112-114 K superconductors Bi1.8Pb0.3Sr2Ca2Cu3Oy by means of a three-step reaction process",

abstract = "112-114 K superconductors with nominal composition of Bi1.8Pb0.3Sr2Ca2Cu3Oy were prepared by a three-step reaction process. The process consists of (1) carbonate calcination and BiPbSrCaO matrix formation at 800°C-840°C, (2) flash heating matrix-CuO mixture at 900°C, and (3) sample annealing at 855°C and furnace cooling to 400°C. The samples possess a quite low resistivity before superconductive transition (ρ{variant}-10-1-10-2 mΩ.cm) and have a transition width of 2.5 K. Results from a.c. susceptibility measurement indicate there are two superconducting phases between 100 and 110 K.",

author = "{Xi Zhengping}, Zhengping and {Ji Chunlin}, Chunlin and {Zhou Lian}, Lian",

year = "1989",

month = dec,

doi = "10.1016/0038-1098(89)90619-4",

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volume = "72",

pages = "1015--1017",

journal = "Solid State Communications",

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T1 - 112-114 K superconductors Bi1.8Pb0.3Sr2Ca2Cu3Oy by means of a three-step reaction process

AU - Xi Zhengping, Zhengping

AU - Ji Chunlin, Chunlin

AU - Zhou Lian, Lian

PY - 1989/12

Y1 - 1989/12

N2 - 112-114 K superconductors with nominal composition of Bi1.8Pb0.3Sr2Ca2Cu3Oy were prepared by a three-step reaction process. The process consists of (1) carbonate calcination and BiPbSrCaO matrix formation at 800°C-840°C, (2) flash heating matrix-CuO mixture at 900°C, and (3) sample annealing at 855°C and furnace cooling to 400°C. The samples possess a quite low resistivity before superconductive transition (ρ{variant}-10-1-10-2 mΩ.cm) and have a transition width of 2.5 K. Results from a.c. susceptibility measurement indicate there are two superconducting phases between 100 and 110 K.

AB - 112-114 K superconductors with nominal composition of Bi1.8Pb0.3Sr2Ca2Cu3Oy were prepared by a three-step reaction process. The process consists of (1) carbonate calcination and BiPbSrCaO matrix formation at 800°C-840°C, (2) flash heating matrix-CuO mixture at 900°C, and (3) sample annealing at 855°C and furnace cooling to 400°C. The samples possess a quite low resistivity before superconductive transition (ρ{variant}-10-1-10-2 mΩ.cm) and have a transition width of 2.5 K. Results from a.c. susceptibility measurement indicate there are two superconducting phases between 100 and 110 K.

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DO - 10.1016/0038-1098(89)90619-4

M3 - 文章

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SN - 0038-1098

VL - 72

SP - 1015

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JO - Solid State Communications

JF - Solid State Communications

IS - 10

ER -

112-114 K superconductors Bi_1.8Pb_0.3Sr₂Ca₂Cu₃O_y by means of a three-step reaction process

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