Structure and transport studies on nanometer YBCO/PBCGO multilayers

Tar Pin Chen, Ke Wu, Qi Li, Ben Chen, Shon Zeng Wang, Hom Kandel, Yu Chong Soo, Udom Tipparach, Jing Biao Cui, Hye Won Seo, Chi Jen Chen

Research output: Contribution to journalArticle

Abstract

We have fabricated M doped (M = Al, Co, Fe, Ga, Ni and Zn) PrBa2Cu3O7(PBCO), i.e. PrBa2(Cu1-xMx)3O7. The doping levels x are 0.05, 0.10, 0.15, and 0.20. X-ray data indicated no significant second phase for substituting Cu by Al, Co, Fe and Ga up to 20%. However impurity phases were detected for Ni and Zn substituted samples with doping levels equal to and higher than 15%. At 77 K the electrical resistivity of these compounds is orders in magnitude higher than that of PBCO. We also found that although the lattice parameters in the doped samples differ from PBCO, all samples remain orthorhombic. The lattice parameters of the doped sample are very close to those of YBa2Cu3O7-δ (YBCO) and PBCO. For this reason these compounds are better materials to be used as the I-layer for YBCO SIS junctions. Results of structural and transport studies on 2000 \0A thick PrBa2[Cu0.80G0.2]3O7 (PBCGO) and YBCO/PBCGO multilayers are presented in this paper.

Original languageEnglish (US)
Pages (from-to)2698-2702
Number of pages5
JournalChinese Science Bulletin
Volume54
Issue number15
DOIs
StatePublished - Aug 1 2009

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lattice parameters
impurities
electrical resistivity
x rays

All Science Journal Classification (ASJC) codes

  • General

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Chen, T. P., Wu, K., Li, Q., Chen, B., Wang, S. Z., Kandel, H., ... Chen, C. J. (2009). Structure and transport studies on nanometer YBCO/PBCGO multilayers. Chinese Science Bulletin, 54(15), 2698-2702. https://doi.org/10.1007/s11434-009-0254-8
Chen, Tar Pin ; Wu, Ke ; Li, Qi ; Chen, Ben ; Wang, Shon Zeng ; Kandel, Hom ; Soo, Yu Chong ; Tipparach, Udom ; Cui, Jing Biao ; Seo, Hye Won ; Chen, Chi Jen. / Structure and transport studies on nanometer YBCO/PBCGO multilayers. In: Chinese Science Bulletin. 2009 ; Vol. 54, No. 15. pp. 2698-2702.
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Chen, TP, Wu, K, Li, Q, Chen, B, Wang, SZ, Kandel, H, Soo, YC, Tipparach, U, Cui, JB, Seo, HW & Chen, CJ 2009, 'Structure and transport studies on nanometer YBCO/PBCGO multilayers', Chinese Science Bulletin, vol. 54, no. 15, pp. 2698-2702. https://doi.org/10.1007/s11434-009-0254-8

Structure and transport studies on nanometer YBCO/PBCGO multilayers. / Chen, Tar Pin; Wu, Ke; Li, Qi; Chen, Ben; Wang, Shon Zeng; Kandel, Hom; Soo, Yu Chong; Tipparach, Udom; Cui, Jing Biao; Seo, Hye Won; Chen, Chi Jen.

In: Chinese Science Bulletin, Vol. 54, No. 15, 01.08.2009, p. 2698-2702.

Research output: Contribution to journalArticle

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T1 - Structure and transport studies on nanometer YBCO/PBCGO multilayers

AU - Chen, Tar Pin

AU - Wu, Ke

AU - Li, Qi

AU - Chen, Ben

AU - Wang, Shon Zeng

AU - Kandel, Hom

AU - Soo, Yu Chong

AU - Tipparach, Udom

AU - Cui, Jing Biao

AU - Seo, Hye Won

AU - Chen, Chi Jen

PY - 2009/8/1

Y1 - 2009/8/1

N2 - We have fabricated M doped (M = Al, Co, Fe, Ga, Ni and Zn) PrBa2Cu3O7(PBCO), i.e. PrBa2(Cu1-xMx)3O7. The doping levels x are 0.05, 0.10, 0.15, and 0.20. X-ray data indicated no significant second phase for substituting Cu by Al, Co, Fe and Ga up to 20%. However impurity phases were detected for Ni and Zn substituted samples with doping levels equal to and higher than 15%. At 77 K the electrical resistivity of these compounds is orders in magnitude higher than that of PBCO. We also found that although the lattice parameters in the doped samples differ from PBCO, all samples remain orthorhombic. The lattice parameters of the doped sample are very close to those of YBa2Cu3O7-δ (YBCO) and PBCO. For this reason these compounds are better materials to be used as the I-layer for YBCO SIS junctions. Results of structural and transport studies on 2000 \0A thick PrBa2[Cu0.80G0.2]3O7 (PBCGO) and YBCO/PBCGO multilayers are presented in this paper.

AB - We have fabricated M doped (M = Al, Co, Fe, Ga, Ni and Zn) PrBa2Cu3O7(PBCO), i.e. PrBa2(Cu1-xMx)3O7. The doping levels x are 0.05, 0.10, 0.15, and 0.20. X-ray data indicated no significant second phase for substituting Cu by Al, Co, Fe and Ga up to 20%. However impurity phases were detected for Ni and Zn substituted samples with doping levels equal to and higher than 15%. At 77 K the electrical resistivity of these compounds is orders in magnitude higher than that of PBCO. We also found that although the lattice parameters in the doped samples differ from PBCO, all samples remain orthorhombic. The lattice parameters of the doped sample are very close to those of YBa2Cu3O7-δ (YBCO) and PBCO. For this reason these compounds are better materials to be used as the I-layer for YBCO SIS junctions. Results of structural and transport studies on 2000 \0A thick PrBa2[Cu0.80G0.2]3O7 (PBCGO) and YBCO/PBCGO multilayers are presented in this paper.

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