Formation of superconductors by YAG laser irradiation of laminated thin layers

H. Wada, T. Kuroda, K. Itoh, M. Yuyama, M. Morita, Masato Murakami, S. Matsuda

研究成果: Conference contribution

抄録

An Nb tape was coated with a C layer of controlled thickness (5-10 μm) by magnetron sputtering. A YAG laser irradiated the tape in argon atmosphere. The beam power was 10-100 W, depending on the velocity of the tape, and the diameter of the beam was a few hundred microns. The resultant NbC tape showed superconductivity around 10 K. The same reaction conditions were used in a nitrogen atmosphere. Superconductivity in these tapes was found to start above 15 K. In the process for Nb3Al tapes an Nb tape was first coated with Al and then with C. The irradiation was performed under nearly the same reaction conditions as those for NbC. Superconductivity was found around 14 K, which is somewhat lower than values reported previously. This was attributed to an excess of C in the surface interstitially dissolved in the Nb3Al structure. In all cases phase identification and microstructure observation were carried out by X-ray diffractometry, optical microscopy, and scanning electron microscopy.

元の言語English
ホスト出版物のタイトルCONFERENCE ON LASERS AND ELECTRO-0PTICS
編集者 Anon
出版場所Piscataway, NJ, United States
出版者Publ by IEEE
ページ354-356
ページ数3
ISBN(印刷物)1557520860
出版物ステータスPublished - 1989
外部発表Yes
イベントSummaries of Papers Presented at the Conference on Lasers and Electro-Optics - Baltimore, MD, USA
継続期間: 1989 4 241989 4 28

Other

OtherSummaries of Papers Presented at the Conference on Lasers and Electro-Optics
Baltimore, MD, USA
期間89/4/2489/4/28

Fingerprint

Laser beam effects
Tapes
Superconducting materials
Superconductivity
Magnetron sputtering
X ray diffraction analysis
Optical microscopy
Argon
Irradiation
Nitrogen
Scanning
Microstructure
Scanning electron microscopy
Lasers

ASJC Scopus subject areas

  • Engineering(all)

これを引用

Wada, H., Kuroda, T., Itoh, K., Yuyama, M., Morita, M., Murakami, M., & Matsuda, S. (1989). Formation of superconductors by YAG laser irradiation of laminated thin layers. : Anon (版), CONFERENCE ON LASERS AND ELECTRO-0PTICS (pp. 354-356). Piscataway, NJ, United States: Publ by IEEE.

Formation of superconductors by YAG laser irradiation of laminated thin layers. / Wada, H.; Kuroda, T.; Itoh, K.; Yuyama, M.; Morita, M.; Murakami, Masato; Matsuda, S.

CONFERENCE ON LASERS AND ELECTRO-0PTICS. 版 / Anon. Piscataway, NJ, United States : Publ by IEEE, 1989. p. 354-356.

研究成果: Conference contribution

Wada, H, Kuroda, T, Itoh, K, Yuyama, M, Morita, M, Murakami, M & Matsuda, S 1989, Formation of superconductors by YAG laser irradiation of laminated thin layers. : Anon (版), CONFERENCE ON LASERS AND ELECTRO-0PTICS. Publ by IEEE, Piscataway, NJ, United States, pp. 354-356, Summaries of Papers Presented at the Conference on Lasers and Electro-Optics, Baltimore, MD, USA, 89/4/24.
Wada H, Kuroda T, Itoh K, Yuyama M, Morita M, Murakami M その他. Formation of superconductors by YAG laser irradiation of laminated thin layers. : Anon, 編集者, CONFERENCE ON LASERS AND ELECTRO-0PTICS. Piscataway, NJ, United States: Publ by IEEE. 1989. p. 354-356
Wada, H. ; Kuroda, T. ; Itoh, K. ; Yuyama, M. ; Morita, M. ; Murakami, Masato ; Matsuda, S. / Formation of superconductors by YAG laser irradiation of laminated thin layers. CONFERENCE ON LASERS AND ELECTRO-0PTICS. 編集者 / Anon. Piscataway, NJ, United States : Publ by IEEE, 1989. pp. 354-356
@inproceedings{6af3c686820545eb9c880c2aedea9de6,
title = "Formation of superconductors by YAG laser irradiation of laminated thin layers",
abstract = "An Nb tape was coated with a C layer of controlled thickness (5-10 μm) by magnetron sputtering. A YAG laser irradiated the tape in argon atmosphere. The beam power was 10-100 W, depending on the velocity of the tape, and the diameter of the beam was a few hundred microns. The resultant NbC tape showed superconductivity around 10 K. The same reaction conditions were used in a nitrogen atmosphere. Superconductivity in these tapes was found to start above 15 K. In the process for Nb3Al tapes an Nb tape was first coated with Al and then with C. The irradiation was performed under nearly the same reaction conditions as those for NbC. Superconductivity was found around 14 K, which is somewhat lower than values reported previously. This was attributed to an excess of C in the surface interstitially dissolved in the Nb3Al structure. In all cases phase identification and microstructure observation were carried out by X-ray diffractometry, optical microscopy, and scanning electron microscopy.",
author = "H. Wada and T. Kuroda and K. Itoh and M. Yuyama and M. Morita and Masato Murakami and S. Matsuda",
year = "1989",
language = "English",
isbn = "1557520860",
pages = "354--356",
editor = "Anon",
booktitle = "CONFERENCE ON LASERS AND ELECTRO-0PTICS",
publisher = "Publ by IEEE",

}

TY - GEN

T1 - Formation of superconductors by YAG laser irradiation of laminated thin layers

AU - Wada, H.

AU - Kuroda, T.

AU - Itoh, K.

AU - Yuyama, M.

AU - Morita, M.

AU - Murakami, Masato

AU - Matsuda, S.

PY - 1989

Y1 - 1989

N2 - An Nb tape was coated with a C layer of controlled thickness (5-10 μm) by magnetron sputtering. A YAG laser irradiated the tape in argon atmosphere. The beam power was 10-100 W, depending on the velocity of the tape, and the diameter of the beam was a few hundred microns. The resultant NbC tape showed superconductivity around 10 K. The same reaction conditions were used in a nitrogen atmosphere. Superconductivity in these tapes was found to start above 15 K. In the process for Nb3Al tapes an Nb tape was first coated with Al and then with C. The irradiation was performed under nearly the same reaction conditions as those for NbC. Superconductivity was found around 14 K, which is somewhat lower than values reported previously. This was attributed to an excess of C in the surface interstitially dissolved in the Nb3Al structure. In all cases phase identification and microstructure observation were carried out by X-ray diffractometry, optical microscopy, and scanning electron microscopy.

AB - An Nb tape was coated with a C layer of controlled thickness (5-10 μm) by magnetron sputtering. A YAG laser irradiated the tape in argon atmosphere. The beam power was 10-100 W, depending on the velocity of the tape, and the diameter of the beam was a few hundred microns. The resultant NbC tape showed superconductivity around 10 K. The same reaction conditions were used in a nitrogen atmosphere. Superconductivity in these tapes was found to start above 15 K. In the process for Nb3Al tapes an Nb tape was first coated with Al and then with C. The irradiation was performed under nearly the same reaction conditions as those for NbC. Superconductivity was found around 14 K, which is somewhat lower than values reported previously. This was attributed to an excess of C in the surface interstitially dissolved in the Nb3Al structure. In all cases phase identification and microstructure observation were carried out by X-ray diffractometry, optical microscopy, and scanning electron microscopy.

UR - http://www.scopus.com/inward/record.url?scp=0024929541&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0024929541&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:0024929541

SN - 1557520860

SP - 354

EP - 356

BT - CONFERENCE ON LASERS AND ELECTRO-0PTICS

A2 - Anon, null

PB - Publ by IEEE

CY - Piscataway, NJ, United States

ER -