Formation of Bi,Pb-2223 and microstructural evolution in Pb-Ca-Cu deposited Bi-2212(001) single crystal by heat treatment

T. Kajihara, Y. Shimada, Satoshi Hata, K. Ikeda, Hideharu Nakashima, A. Matsumoto, T. Mochiku, H. Kitaguchi, T. Doi

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

In order to study the mechanism of phase transformation from Bi-2212 to Bi-2223, we fabricated Pb-Ca-Cu deposited Bi-2212 (001) single crystals as precursors of the Bi,Pb-2223 phase. These single crystals were heated in a sintered Bi-Pb-Sr-Ca-Cu-O pellet, and microstructure was observed by analytical electron microscopy. As a result of the microstructural observation around the Bi,Pb-2223 phase, two formation paths of Bi,Pb-2223 were recognized. One is the formation from a liquid phase which is formed by Bi-2212 and melting of the secondary phases such as (Ca,Sr)2PbO4 and CuO. The other is the growth of Bi,Pb-2223 into Bi-2212 phase by diffusion of Pb, Ca and Cu atoms along the 〈hk0〉 directions of Bi-2212.

Original languageEnglish
Pages (from-to)69-72
Number of pages4
JournalPhysics Procedia
Volume45
DOIs
Publication statusPublished - Jan 1 2013
Event25th International Symposium on Superconductivity, ISS 2012 - Tokyo, Japan
Duration: Dec 3 2012Dec 5 2012

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heat treatment
single crystals
pellets
phase transformations
electron microscopy
liquid phases
melting
microstructure
atoms

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Formation of Bi,Pb-2223 and microstructural evolution in Pb-Ca-Cu deposited Bi-2212(001) single crystal by heat treatment. / Kajihara, T.; Shimada, Y.; Hata, Satoshi; Ikeda, K.; Nakashima, Hideharu; Matsumoto, A.; Mochiku, T.; Kitaguchi, H.; Doi, T.

In: Physics Procedia, Vol. 45, 01.01.2013, p. 69-72.

Research output: Contribution to journalConference article

Kajihara, T. ; Shimada, Y. ; Hata, Satoshi ; Ikeda, K. ; Nakashima, Hideharu ; Matsumoto, A. ; Mochiku, T. ; Kitaguchi, H. ; Doi, T. / Formation of Bi,Pb-2223 and microstructural evolution in Pb-Ca-Cu deposited Bi-2212(001) single crystal by heat treatment. In: Physics Procedia. 2013 ; Vol. 45. pp. 69-72.
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abstract = "In order to study the mechanism of phase transformation from Bi-2212 to Bi-2223, we fabricated Pb-Ca-Cu deposited Bi-2212 (001) single crystals as precursors of the Bi,Pb-2223 phase. These single crystals were heated in a sintered Bi-Pb-Sr-Ca-Cu-O pellet, and microstructure was observed by analytical electron microscopy. As a result of the microstructural observation around the Bi,Pb-2223 phase, two formation paths of Bi,Pb-2223 were recognized. One is the formation from a liquid phase which is formed by Bi-2212 and melting of the secondary phases such as (Ca,Sr)2PbO4 and CuO. The other is the growth of Bi,Pb-2223 into Bi-2212 phase by diffusion of Pb, Ca and Cu atoms along the 〈hk0〉 directions of Bi-2212.",
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AU - Kajihara, T.

AU - Shimada, Y.

AU - Hata, Satoshi

AU - Ikeda, K.

AU - Nakashima, Hideharu

AU - Matsumoto, A.

AU - Mochiku, T.

AU - Kitaguchi, H.

AU - Doi, T.

PY - 2013/1/1

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N2 - In order to study the mechanism of phase transformation from Bi-2212 to Bi-2223, we fabricated Pb-Ca-Cu deposited Bi-2212 (001) single crystals as precursors of the Bi,Pb-2223 phase. These single crystals were heated in a sintered Bi-Pb-Sr-Ca-Cu-O pellet, and microstructure was observed by analytical electron microscopy. As a result of the microstructural observation around the Bi,Pb-2223 phase, two formation paths of Bi,Pb-2223 were recognized. One is the formation from a liquid phase which is formed by Bi-2212 and melting of the secondary phases such as (Ca,Sr)2PbO4 and CuO. The other is the growth of Bi,Pb-2223 into Bi-2212 phase by diffusion of Pb, Ca and Cu atoms along the 〈hk0〉 directions of Bi-2212.

AB - In order to study the mechanism of phase transformation from Bi-2212 to Bi-2223, we fabricated Pb-Ca-Cu deposited Bi-2212 (001) single crystals as precursors of the Bi,Pb-2223 phase. These single crystals were heated in a sintered Bi-Pb-Sr-Ca-Cu-O pellet, and microstructure was observed by analytical electron microscopy. As a result of the microstructural observation around the Bi,Pb-2223 phase, two formation paths of Bi,Pb-2223 were recognized. One is the formation from a liquid phase which is formed by Bi-2212 and melting of the secondary phases such as (Ca,Sr)2PbO4 and CuO. The other is the growth of Bi,Pb-2223 into Bi-2212 phase by diffusion of Pb, Ca and Cu atoms along the 〈hk0〉 directions of Bi-2212.

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