Fabrication and characteristics of weak links between â- and ĉ-axis normal grains of Y1Ba2Cu3O7-x

S. Mahajan, D. B. Buchholz, J. Lei, Robert P. H. Chang, T. Hogan, C. R. Kannewurf, S. N. Song, J. B. Ketterson, B. Hinds, Tobin J Marks, J. Eckstein

Research output: Contribution to journalArticle

Abstract

We have used pulsed organometallic beam epitaxy (POMBE) to simultaneously deposit â- and ĉ-axis oriented Y1Ba2Cu3O7-x (YBCO) thin films at arbitrary locations on LaAlO3(100) substrates. Using photolithography and ion milling, several types of â-ĉ weak links have been fabricated at the boundary between the two films. The current-voltage (I-V) characteristics show a flux flow type behavior. The resistive transitions are broad and the critical current density is low, indicating weak coupling across these boundaries. With magnetic field applied parallel to the grain boundary plane, nonhysteretic I-V curves are obtained and the critical current goes to zero at an applied magnetic field of ∼7500 G.

Original languageEnglish
Pages (from-to)1086-1093
Number of pages8
JournalJournal of Materials Research
Volume11
Issue number5
Publication statusPublished - May 1996

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critical current
Magnetic fields
Fabrication
fabrication
Critical currents
Photolithography
Organometallics
photolithography
Epitaxial growth
magnetic fields
epitaxy
Grain boundaries
Deposits
grain boundaries
deposits
Ions
current density
Fluxes
Thin films
Electric potential

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Mahajan, S., Buchholz, D. B., Lei, J., Chang, R. P. H., Hogan, T., Kannewurf, C. R., ... Eckstein, J. (1996). Fabrication and characteristics of weak links between â- and ĉ-axis normal grains of Y1Ba2Cu3O7-x. Journal of Materials Research, 11(5), 1086-1093.

Fabrication and characteristics of weak links between â- and ĉ-axis normal grains of Y1Ba2Cu3O7-x. / Mahajan, S.; Buchholz, D. B.; Lei, J.; Chang, Robert P. H.; Hogan, T.; Kannewurf, C. R.; Song, S. N.; Ketterson, J. B.; Hinds, B.; Marks, Tobin J; Eckstein, J.

In: Journal of Materials Research, Vol. 11, No. 5, 05.1996, p. 1086-1093.

Research output: Contribution to journalArticle

Mahajan, S, Buchholz, DB, Lei, J, Chang, RPH, Hogan, T, Kannewurf, CR, Song, SN, Ketterson, JB, Hinds, B, Marks, TJ & Eckstein, J 1996, 'Fabrication and characteristics of weak links between â- and ĉ-axis normal grains of Y1Ba2Cu3O7-x', Journal of Materials Research, vol. 11, no. 5, pp. 1086-1093.
Mahajan, S. ; Buchholz, D. B. ; Lei, J. ; Chang, Robert P. H. ; Hogan, T. ; Kannewurf, C. R. ; Song, S. N. ; Ketterson, J. B. ; Hinds, B. ; Marks, Tobin J ; Eckstein, J. / Fabrication and characteristics of weak links between â- and ĉ-axis normal grains of Y1Ba2Cu3O7-x. In: Journal of Materials Research. 1996 ; Vol. 11, No. 5. pp. 1086-1093.
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