Magnetic and superconducting behaviours of doped and undoped double perovskite Ba2PrRuO6

S. M. Rao, M. K. Wu, J. K. Srivastava, B. H. Mok, C. Y. Lu, Y. C. Liao, Yung-Yuan Hsu, Y. S. Hsiue, Y. Y. Chen, S. Neeleshwar, S. Tsai, J. C. Ho, Hsiang Lin Liu

研究成果: 雜誌貢獻文章

11 引文 (Scopus)

摘要

Our detailed measurements show the undoped double perovskite Ba 2+2Pr3+Ru5+O2- 6 to be a nonmetallic (insulating) spin glass (SG) and the ∼5-10% Cu-doped (i.e., Cu-concentration/(Cu+Ru-concentration) ∼5-10%) system to be a spin glass superconductor (SGSC), though the critical temperature, Tc, (∼8-11 K) and the superconducting volume fraction, fsc, (∼1-4%) are small. This smallness is presumably due to the presence of a large number of pair breaking spins and small carrier concentration in the lattice. Results and their implications are discussed.

原文英語
頁(從 - 到)71-81
頁數11
期刊Physics Letters, Section A: General, Atomic and Solid State Physics
324
發行號1
DOIs
出版狀態已發佈 - 2004 四月 5

指紋

spin glass
critical temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

引用此文

Magnetic and superconducting behaviours of doped and undoped double perovskite Ba2PrRuO6. / Rao, S. M.; Wu, M. K.; Srivastava, J. K.; Mok, B. H.; Lu, C. Y.; Liao, Y. C.; Hsu, Yung-Yuan; Hsiue, Y. S.; Chen, Y. Y.; Neeleshwar, S.; Tsai, S.; Ho, J. C.; Liu, Hsiang Lin.

於: Physics Letters, Section A: General, Atomic and Solid State Physics, 卷 324, 編號 1, 05.04.2004, p. 71-81.

研究成果: 雜誌貢獻文章

Rao, SM, Wu, MK, Srivastava, JK, Mok, BH, Lu, CY, Liao, YC, Hsu, Y-Y, Hsiue, YS, Chen, YY, Neeleshwar, S, Tsai, S, Ho, JC & Liu, HL 2004, 'Magnetic and superconducting behaviours of doped and undoped double perovskite Ba2PrRuO6', Physics Letters, Section A: General, Atomic and Solid State Physics, 卷 324, 編號 1, 頁 71-81. https://doi.org/10.1016/j.physleta.2004.02.029
Rao, S. M. ; Wu, M. K. ; Srivastava, J. K. ; Mok, B. H. ; Lu, C. Y. ; Liao, Y. C. ; Hsu, Yung-Yuan ; Hsiue, Y. S. ; Chen, Y. Y. ; Neeleshwar, S. ; Tsai, S. ; Ho, J. C. ; Liu, Hsiang Lin. / Magnetic and superconducting behaviours of doped and undoped double perovskite Ba2PrRuO6. 於: Physics Letters, Section A: General, Atomic and Solid State Physics. 2004 ; 卷 324, 編號 1. 頁 71-81.
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abstract = "Our detailed measurements show the undoped double perovskite Ba 2+2Pr3+Ru5+O2- 6 to be a nonmetallic (insulating) spin glass (SG) and the ∼5-10{\%} Cu-doped (i.e., Cu-concentration/(Cu+Ru-concentration) ∼5-10{\%}) system to be a spin glass superconductor (SGSC), though the critical temperature, Tc, (∼8-11 K) and the superconducting volume fraction, fsc, (∼1-4{\%}) are small. This smallness is presumably due to the presence of a large number of pair breaking spins and small carrier concentration in the lattice. Results and their implications are discussed.",
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AU - Rao, S. M.

AU - Wu, M. K.

AU - Srivastava, J. K.

AU - Mok, B. H.

AU - Lu, C. Y.

AU - Liao, Y. C.

AU - Hsu, Yung-Yuan

AU - Hsiue, Y. S.

AU - Chen, Y. Y.

AU - Neeleshwar, S.

AU - Tsai, S.

AU - Ho, J. C.

AU - Liu, Hsiang Lin

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N2 - Our detailed measurements show the undoped double perovskite Ba 2+2Pr3+Ru5+O2- 6 to be a nonmetallic (insulating) spin glass (SG) and the ∼5-10% Cu-doped (i.e., Cu-concentration/(Cu+Ru-concentration) ∼5-10%) system to be a spin glass superconductor (SGSC), though the critical temperature, Tc, (∼8-11 K) and the superconducting volume fraction, fsc, (∼1-4%) are small. This smallness is presumably due to the presence of a large number of pair breaking spins and small carrier concentration in the lattice. Results and their implications are discussed.

AB - Our detailed measurements show the undoped double perovskite Ba 2+2Pr3+Ru5+O2- 6 to be a nonmetallic (insulating) spin glass (SG) and the ∼5-10% Cu-doped (i.e., Cu-concentration/(Cu+Ru-concentration) ∼5-10%) system to be a spin glass superconductor (SGSC), though the critical temperature, Tc, (∼8-11 K) and the superconducting volume fraction, fsc, (∼1-4%) are small. This smallness is presumably due to the presence of a large number of pair breaking spins and small carrier concentration in the lattice. Results and their implications are discussed.

KW - 74.25.Ha

KW - 74.72.-h

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KW - 75.50.Lk

KW - Cuproruthenate

KW - Double perovskite

KW - Frustration

KW - High- T superconductivity

KW - Magnetic superconductor

KW - Spin glass

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