Growth behaviors of high Jc Gd1+xBa 2-xCu3O7 coated conductors on IBAD-Mgo templates probed by X-ray diffraction and raman scattering spectroscopy

G. Kim; William Jo; G. M. Shin; S. I. Yoo; D. Y. Park; H. Cheong; H. K. Kim; S. H. Moon

doi:10.1109/TASC.2009.2019092

Growth behaviors of high J_c Gd_1+xBa _2-xCu₃O₇ coated conductors on IBAD-Mgo templates probed by X-ray diffraction and raman scattering spectroscopy

G. Kim, William Jo, G. M. Shin, S. I. Yoo, D. Y. Park, H. Cheong, H. K. Kim, S. H. Moon

Department of Physics

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

2 Scopus citations

Abstract

Abstract-Gd₁+_xBa₂-_xCu ₃Or₇(GdBCO) coated conductors on Ion-beam assisted deposition (IBAD)-MgO templates were grown by pulsed laser deposition (PLD). Growth conditions for the PLD of high quality of GdBCO turn out to have a rather larger range than for Nd-based cuprate thin films. The structural properties and critical current of GdBCO have been measured. The GdBCO layers show ∼100 A/cm at 0.5 micron-thick films. In our measurement of Raman scattering spectroscopy from 180 ∼ 1,200 cm-¹, one strong B₁g mode and two strong modes were observed. The high critical-current is ascribed to well-grown highly textured 123-structure without cation disorder and oxygen deficiency. It is notable that the GdBCO films do not have second phases like, Baco₂ which is a signature liquid phase-based material that occurs in other rare-earth based cuprates.

Original language	English
Article number	5153216
Pages (from-to)	2929-2932
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	19
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2009.2019092
State	Published - Jun 2009

Bibliographical note

Funding Information:
Manuscript received August 25, 2008. First published June 30, 2009; current version published July 15, 2009. This work was supported by a grant from the Center for Applied Superconductivity Technology of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Republic of Korea.

Keywords

GdBCO coated conductors
Raman spectroscopy
Rare-earth based cuprates
Superconducting properties

Access to Document

10.1109/TASC.2009.2019092

Cite this

Kim, G., Jo, W., Shin, G. M., Yoo, S. I., Park, D. Y., Cheong, H., Kim, H. K., & Moon, S. H. (2009). Growth behaviors of high J_c Gd_1+xBa _2-xCu₃O₇ coated conductors on IBAD-Mgo templates probed by X-ray diffraction and raman scattering spectroscopy. IEEE Transactions on Applied Superconductivity, 19(3), 2929-2932. Article 5153216. https://doi.org/10.1109/TASC.2009.2019092

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abstract = "Abstract-Gd1+xBa2-xCu 3Or7(GdBCO) coated conductors on Ion-beam assisted deposition (IBAD)-MgO templates were grown by pulsed laser deposition (PLD). Growth conditions for the PLD of high quality of GdBCO turn out to have a rather larger range than for Nd-based cuprate thin films. The structural properties and critical current of GdBCO have been measured. The GdBCO layers show ∼100 A/cm at 0.5 micron-thick films. In our measurement of Raman scattering spectroscopy from 180 ∼ 1,200 cm-1, one strong B1g mode and two strong modes were observed. The high critical-current is ascribed to well-grown highly textured 123-structure without cation disorder and oxygen deficiency. It is notable that the GdBCO films do not have second phases like, Baco2 which is a signature liquid phase-based material that occurs in other rare-earth based cuprates.",

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N2 - Abstract-Gd1+xBa2-xCu 3Or7(GdBCO) coated conductors on Ion-beam assisted deposition (IBAD)-MgO templates were grown by pulsed laser deposition (PLD). Growth conditions for the PLD of high quality of GdBCO turn out to have a rather larger range than for Nd-based cuprate thin films. The structural properties and critical current of GdBCO have been measured. The GdBCO layers show ∼100 A/cm at 0.5 micron-thick films. In our measurement of Raman scattering spectroscopy from 180 ∼ 1,200 cm-1, one strong B1g mode and two strong modes were observed. The high critical-current is ascribed to well-grown highly textured 123-structure without cation disorder and oxygen deficiency. It is notable that the GdBCO films do not have second phases like, Baco2 which is a signature liquid phase-based material that occurs in other rare-earth based cuprates.

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