A research for controlling nanorod diameter in BaNb2O6 doped REBa2Cu3O7-δ films

K. Yuki; H. Kai; M. Mukaida; S. Horii; R. Kita; A. Ichinose; Y. Yoshida; K. Matsumoto; R. Teranishi; K. Yamada; N. Mori

doi:10.1016/j.physc.2008.05.102

A research for controlling nanorod diameter in BaNb₂O₆ doped REBa₂Cu₃O_7-δ films

K. Yuki, H. Kai, M. Mukaida, S. Horii, R. Kita, A. Ichinose, Y. Yoshida, K. Matsumoto, R. Teranishi, K. Yamada, N. Mori

Advanced Materials Physics

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

3 Citations (Scopus)

Abstract

Critical current density (J_C) of REBa₂Cu₃O_7-δ (REBCO) films deteriorates in a magnetic field. One of the methods to solve the J_C deterioration is to introduce artificial pinning centers (APCs) such as nanorods into the REBCO films. When many nanorods with a small diameter grew up than less rods with large diameter in REBCO films, the nanorod are considered to act as APCs. Therefore, we focused on controlling the rod diameter in order to realize the higher number density of nanorods in REBCO films. BaNb₂O₆ (BNO) was introduced in ErBCO films. In order to decrease the diameter of nanorods, we think it is necessary to control migration length of Nb atoms at the film surface of the ErBCO. As a result, it was observed in TEM image that diameter of nanorods was changed by varying substrate temperature and decreased with decreasing the substrate temperature.

Original language	English
Pages (from-to)	1861-1863
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	468
Issue number	15-20
DOIs	https://doi.org/10.1016/j.physc.2008.05.102
Publication status	Published - Sep 15 2008

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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A research for controlling nanorod diameter in BaNb₂O₆ doped REBa₂Cu₃O_7-δ films. / Yuki, K.; Kai, H.; Mukaida, M.; Horii, S.; Kita, R.; Ichinose, A.; Yoshida, Y.; Matsumoto, K.; Teranishi, R.; Yamada, K.; Mori, N.

In: Physica C: Superconductivity and its applications, Vol. 468, No. 15-20, 15.09.2008, p. 1861-1863.

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

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title = "A research for controlling nanorod diameter in BaNb2O6 doped REBa2Cu3O7-δ films",

abstract = "Critical current density (JC) of REBa2Cu3O7-δ (REBCO) films deteriorates in a magnetic field. One of the methods to solve the JC deterioration is to introduce artificial pinning centers (APCs) such as nanorods into the REBCO films. When many nanorods with a small diameter grew up than less rods with large diameter in REBCO films, the nanorod are considered to act as APCs. Therefore, we focused on controlling the rod diameter in order to realize the higher number density of nanorods in REBCO films. BaNb2O6 (BNO) was introduced in ErBCO films. In order to decrease the diameter of nanorods, we think it is necessary to control migration length of Nb atoms at the film surface of the ErBCO. As a result, it was observed in TEM image that diameter of nanorods was changed by varying substrate temperature and decreased with decreasing the substrate temperature.",

author = "K. Yuki and H. Kai and M. Mukaida and S. Horii and R. Kita and A. Ichinose and Y. Yoshida and K. Matsumoto and R. Teranishi and K. Yamada and N. Mori",

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AU - Yuki, K.

AU - Kai, H.

AU - Mukaida, M.

AU - Horii, S.

AU - Kita, R.

AU - Ichinose, A.

AU - Yoshida, Y.

AU - Matsumoto, K.

AU - Teranishi, R.

AU - Yamada, K.

AU - Mori, N.

PY - 2008/9/15

Y1 - 2008/9/15

N2 - Critical current density (JC) of REBa2Cu3O7-δ (REBCO) films deteriorates in a magnetic field. One of the methods to solve the JC deterioration is to introduce artificial pinning centers (APCs) such as nanorods into the REBCO films. When many nanorods with a small diameter grew up than less rods with large diameter in REBCO films, the nanorod are considered to act as APCs. Therefore, we focused on controlling the rod diameter in order to realize the higher number density of nanorods in REBCO films. BaNb2O6 (BNO) was introduced in ErBCO films. In order to decrease the diameter of nanorods, we think it is necessary to control migration length of Nb atoms at the film surface of the ErBCO. As a result, it was observed in TEM image that diameter of nanorods was changed by varying substrate temperature and decreased with decreasing the substrate temperature.

AB - Critical current density (JC) of REBa2Cu3O7-δ (REBCO) films deteriorates in a magnetic field. One of the methods to solve the JC deterioration is to introduce artificial pinning centers (APCs) such as nanorods into the REBCO films. When many nanorods with a small diameter grew up than less rods with large diameter in REBCO films, the nanorod are considered to act as APCs. Therefore, we focused on controlling the rod diameter in order to realize the higher number density of nanorods in REBCO films. BaNb2O6 (BNO) was introduced in ErBCO films. In order to decrease the diameter of nanorods, we think it is necessary to control migration length of Nb atoms at the film surface of the ErBCO. As a result, it was observed in TEM image that diameter of nanorods was changed by varying substrate temperature and decreased with decreasing the substrate temperature.

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