Magnetization measurement of (Nd, Eu, Gd)Ba2Cu3O y having very high irreversibility fields in pulsed high magnetic fields

T. Kono; M. Muralidhar; K. Nakao; N. Sakai; M. Murakami; N. Koshizuka

doi:10.1016/j.physc.2003.11.079

Magnetization measurement of (Nd, Eu, Gd)Ba₂Cu₃O _y having very high irreversibility fields in pulsed high magnetic fields

T. Kono, M. Muralidhar, K. Nakao, N. Sakai, M. Murakami, N. Koshizuka

研究成果: Article › 査読

抄録

Magnetization measurement in pulsed high magnetic fields up to 28 T in the range of temperature from 55 to 85 K have been performed for (Nd _0.33Eu_0.38Gd_0.28)Ba₂Cu ₃O_y (NEG123) having very high irreversibility fields B_irr We have evaluated temperature dependence of B_irr by taking account of heat generation. Critical current density in pulsed high magnetic fields was somewhat overestimated in comparison with that in fields, but values of B_irr nearly coincide. B_irr did not strongly depend on the content of Gd₂BaCuO₅ (Gd211) secondary phase between 2 and 10 mol%. The temperature dependence of B_irr can be expressed as B_irr (T) = 80.2-0.878 T (K).

本文言語	English
ページ（範囲）	699-703
ページ数	5
ジャーナル	Physica C: Superconductivity and its applications
巻	412-414
号	SPEC. ISS.
DOI	https://doi.org/10.1016/j.physc.2003.11.079
出版ステータス	Published - 2004 10

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学
エネルギー工学および電力技術
電子工学および電気工学

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10.1016/j.physc.2003.11.079

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title = "Magnetization measurement of (Nd, Eu, Gd)Ba2Cu3O y having very high irreversibility fields in pulsed high magnetic fields",

abstract = "Magnetization measurement in pulsed high magnetic fields up to 28 T in the range of temperature from 55 to 85 K have been performed for (Nd 0.33Eu0.38Gd0.28)Ba2Cu 3Oy (NEG123) having very high irreversibility fields Birr We have evaluated temperature dependence of Birr by taking account of heat generation. Critical current density in pulsed high magnetic fields was somewhat overestimated in comparison with that in fields, but values of Birr nearly coincide. Birr did not strongly depend on the content of Gd2BaCuO5 (Gd211) secondary phase between 2 and 10 mol%. The temperature dependence of Birr can be expressed as Birr (T) = 80.2-0.878 T (K).",

keywords = "(Nd, Eu, Gd)BaCuO, Heat generation, Irreversibility field, Pulsed high magnetic fields",

author = "T. Kono and M. Muralidhar and K. Nakao and N. Sakai and M. Murakami and N. Koshizuka",

note = "Funding Information: This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) as Collaborative Research and Development of Fundamental technologies for Superconductivity Applications.",

year = "2004",

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doi = "10.1016/j.physc.2003.11.079",

language = "English",

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pages = "699--703",

journal = "Physica C: Superconductivity and its Applications",

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T1 - Magnetization measurement of (Nd, Eu, Gd)Ba2Cu3O y having very high irreversibility fields in pulsed high magnetic fields

AU - Kono, T.

AU - Muralidhar, M.

AU - Nakao, K.

AU - Sakai, N.

AU - Murakami, M.

AU - Koshizuka, N.

N1 - Funding Information: This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) as Collaborative Research and Development of Fundamental technologies for Superconductivity Applications.

PY - 2004/10

Y1 - 2004/10

N2 - Magnetization measurement in pulsed high magnetic fields up to 28 T in the range of temperature from 55 to 85 K have been performed for (Nd 0.33Eu0.38Gd0.28)Ba2Cu 3Oy (NEG123) having very high irreversibility fields Birr We have evaluated temperature dependence of Birr by taking account of heat generation. Critical current density in pulsed high magnetic fields was somewhat overestimated in comparison with that in fields, but values of Birr nearly coincide. Birr did not strongly depend on the content of Gd2BaCuO5 (Gd211) secondary phase between 2 and 10 mol%. The temperature dependence of Birr can be expressed as Birr (T) = 80.2-0.878 T (K).

AB - Magnetization measurement in pulsed high magnetic fields up to 28 T in the range of temperature from 55 to 85 K have been performed for (Nd 0.33Eu0.38Gd0.28)Ba2Cu 3Oy (NEG123) having very high irreversibility fields Birr We have evaluated temperature dependence of Birr by taking account of heat generation. Critical current density in pulsed high magnetic fields was somewhat overestimated in comparison with that in fields, but values of Birr nearly coincide. Birr did not strongly depend on the content of Gd2BaCuO5 (Gd211) secondary phase between 2 and 10 mol%. The temperature dependence of Birr can be expressed as Birr (T) = 80.2-0.878 T (K).

KW - (Nd, Eu, Gd)BaCuO

KW - Heat generation

KW - Irreversibility field

KW - Pulsed high magnetic fields

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