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; Y. Y. Hsu; Y. S. Hsiue; Y. Y. Chen; S. Neeleshwar; S. Tsai; J. C. Ho; H. L. Liu

doi:10.1016/j.physleta.2004.02.029

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, Y. Y. Hsu, Y. S. Hsiue, Y. Y. Chen, S. Neeleshwar, S. Tsai, J. C. Ho, H. L. Liu

物理學系

研究成果: 雜誌貢獻 › 文章 › 同行評審

11 引文斯高帕斯（Scopus）

摘要

Our detailed measurements show the undoped double perovskite Ba ²⁺₂Pr³⁺Ru⁵⁺O^2- 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, T_c, (∼8-11 K) and the superconducting volume fraction, f_sc, (∼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
卷	324
發行號	1
DOIs	https://doi.org/10.1016/j.physleta.2004.02.029
出版狀態	已發佈 - 2004 四月 5

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1016/j.physleta.2004.02.029

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Rao, S. M., Wu, M. K., Srivastava, J. K., Mok, B. H., Lu, C. Y., Liao, Y. C., Hsu, Y. Y., Hsiue, Y. S., Chen, Y. Y., Neeleshwar, S., Tsai, S., Ho, J. C., & Liu, H. L. (2004). Magnetic and superconducting behaviours of doped and undoped double perovskite Ba₂PrRuO₆. Physics Letters, Section A: General, Atomic and Solid State Physics, 324(1), 71-81. https://doi.org/10.1016/j.physleta.2004.02.029

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, Y. Y.; Hsiue, Y. S.; Chen, Y. Y.; Neeleshwar, S.; Tsai, S.; Ho, J. C.; Liu, H. L.

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 › 同行評審

Rao, SM, Wu, MK, Srivastava, JK, Mok, BH, Lu, CY, Liao, YC, Hsu, YY, 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, Y. Y. ; Hsiue, Y. S. ; Chen, Y. Y. ; Neeleshwar, S. ; Tsai, S. ; Ho, J. C. ; Liu, H. L. / 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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title = "Magnetic and superconducting behaviours of doped and undoped double perovskite Ba2PrRuO6",

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.",

keywords = "74.25.Ha, 74.72.-h, 74.72.Yg, 75.50.Lk, Cuproruthenate, Double perovskite, Frustration, High- T superconductivity, Magnetic superconductor, Spin glass",

author = "Rao, {S. M.} and Wu, {M. K.} and Srivastava, {J. K.} and Mok, {B. H.} and Lu, {C. Y.} and Liao, {Y. C.} and Hsu, {Y. Y.} and Hsiue, {Y. S.} and Chen, {Y. Y.} and S. Neeleshwar and S. Tsai and Ho, {J. C.} and Liu, {H. L.}",

year = "2004",

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doi = "10.1016/j.physleta.2004.02.029",

language = "English",

volume = "324",

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T1 - Magnetic and superconducting behaviours of doped and undoped double perovskite Ba2PrRuO6

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, Y. Y.

AU - Hsiue, Y. S.

AU - Chen, Y. Y.

AU - Neeleshwar, S.

AU - Tsai, S.

AU - Ho, J. C.

AU - Liu, H. L.

PY - 2004/4/5

Y1 - 2004/4/5

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

KW - 74.72.Yg

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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