Current-carrying property and microstructure of multilayered Sm1+xBa2-xCu3Oy thick films

T. Ozaki; Y. Yoshida; M. Miura; Y. Ichino; Y. Takai; K. Matsumoto; A. Ichinose; S. Horii; Masashi Mukaida

doi:10.1016/j.physc.2007.03.463

Current-carrying property and microstructure of multilayered Sm_1+xBa_2-xCu₃O_y thick films

T. Ozaki, Y. Yoshida, M. Miura, Y. Ichino, Y. Takai, K. Matsumoto, A. Ichinose, S. Horii, Masashi Mukaida

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

6 Citations (Scopus)

Abstract

We have fabricated Sm_1+xBa_2-xCu₃O_y (SmBCO) multilayer (Multi-SmBCO) films with alternating main SmBCO (x = 0.04) layers and additional Sm-rich (x = 0.08) layers. We confirmed that Cu₂O precipitates in PLD-SmBCO films increased with increasing film thickness, though those in the Multi-SmBCO films hardly appeared even in thick films. I_c of the Multi-SmBCO film with a 1.7 μm thickness achieved 800 A/cm-width (J_c = 4.6 MA/cm²) at 77 K. Furthermore, the Multi-SmBCO film showed improved J_c at all magnetic field, especially, at high-magnetic fields. The enhancement of J_c in the high-magnetic fields would be related to Sm-rich phase (low-T_c phase) formed by introducing the Sm-rich layers.

Original language	English
Pages (from-to)	649-652
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	463-465
Issue number	SUPPL.
DOIs	https://doi.org/10.1016/j.physc.2007.03.463
Publication status	Published - Oct 1 2007

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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title = "Current-carrying property and microstructure of multilayered Sm1+xBa2-xCu3Oy thick films",

abstract = "We have fabricated Sm1+xBa2-xCu3Oy (SmBCO) multilayer (Multi-SmBCO) films with alternating main SmBCO (x = 0.04) layers and additional Sm-rich (x = 0.08) layers. We confirmed that Cu2O precipitates in PLD-SmBCO films increased with increasing film thickness, though those in the Multi-SmBCO films hardly appeared even in thick films. Ic of the Multi-SmBCO film with a 1.7 μm thickness achieved 800 A/cm-width (Jc = 4.6 MA/cm2) at 77 K. Furthermore, the Multi-SmBCO film showed improved Jc at all magnetic field, especially, at high-magnetic fields. The enhancement of Jc in the high-magnetic fields would be related to Sm-rich phase (low-Tc phase) formed by introducing the Sm-rich layers.",

author = "T. Ozaki and Y. Yoshida and M. Miura and Y. Ichino and Y. Takai and K. Matsumoto and A. Ichinose and S. Horii and Masashi Mukaida",

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doi = "10.1016/j.physc.2007.03.463",

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T1 - Current-carrying property and microstructure of multilayered Sm1+xBa2-xCu3Oy thick films

AU - Ozaki, T.

AU - Yoshida, Y.

AU - Miura, M.

AU - Ichino, Y.

AU - Takai, Y.

AU - Matsumoto, K.

AU - Ichinose, A.

AU - Horii, S.

AU - Mukaida, Masashi

PY - 2007/10/1

Y1 - 2007/10/1

N2 - We have fabricated Sm1+xBa2-xCu3Oy (SmBCO) multilayer (Multi-SmBCO) films with alternating main SmBCO (x = 0.04) layers and additional Sm-rich (x = 0.08) layers. We confirmed that Cu2O precipitates in PLD-SmBCO films increased with increasing film thickness, though those in the Multi-SmBCO films hardly appeared even in thick films. Ic of the Multi-SmBCO film with a 1.7 μm thickness achieved 800 A/cm-width (Jc = 4.6 MA/cm2) at 77 K. Furthermore, the Multi-SmBCO film showed improved Jc at all magnetic field, especially, at high-magnetic fields. The enhancement of Jc in the high-magnetic fields would be related to Sm-rich phase (low-Tc phase) formed by introducing the Sm-rich layers.

AB - We have fabricated Sm1+xBa2-xCu3Oy (SmBCO) multilayer (Multi-SmBCO) films with alternating main SmBCO (x = 0.04) layers and additional Sm-rich (x = 0.08) layers. We confirmed that Cu2O precipitates in PLD-SmBCO films increased with increasing film thickness, though those in the Multi-SmBCO films hardly appeared even in thick films. Ic of the Multi-SmBCO film with a 1.7 μm thickness achieved 800 A/cm-width (Jc = 4.6 MA/cm2) at 77 K. Furthermore, the Multi-SmBCO film showed improved Jc at all magnetic field, especially, at high-magnetic fields. The enhancement of Jc in the high-magnetic fields would be related to Sm-rich phase (low-Tc phase) formed by introducing the Sm-rich layers.

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Current-carrying property and microstructure of multilayered Sm_1+xBa_2-xCu₃O_y thick films

Abstract

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