Magnetic and thermal measurements on high-Tc (La0.9Ba0.1)2CuO4-y

E. Zirngiebl; J. O. Willis; J. D. Thompson; C. Y. Huang; J. L. Smith; Z. Fisk; P. H. Hor; R. L. Meng; C. W. Chu; M. K. Wu

doi:10.1016/0038-1098(87)90118-9

Magnetic and thermal measurements on high-T_c (La_0.9Ba_0.1)₂CuO_4-y

E. Zirngiebl, J. O. Willis, J. D. Thompson, C. Y. Huang, J. L. Smith, Z. Fisk, P. H. Hor, R. L. Meng, C. W. Chu, M. K. Wu

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摘要

We have measured the magnetic moment of (La_0.9Ba_0.1)₂CuO_4- as a function of temperature and magnetic field and have found the onset of superconductivity at a temperature T {reversed tilde equals} 35 K. From the magnetic field dependencies, we have shown that the sample is a type-II superconductor with ≲ {reversed tilde equals} 11. Specific heat measurements yield a finite electronic specific heat coefficient of ∼6 mJ/mole-K² at 4 K and a Debye temperature of only 330 K, suggesting that a strong electron-phonon interaction may be responsible for the high T in our sample.

原文	English
頁（從 - 到）	721-724
頁數	4
期刊	Solid State Communications
卷	63
發行號	8
DOIs	https://doi.org/10.1016/0038-1098(87)90118-9
出版狀態	Published - 1987 8月

All Science Journal Classification (ASJC) codes

一般化學
凝聚態物理學
材料化學

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10.1016/0038-1098(87)90118-9

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引用此

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title = "Magnetic and thermal measurements on high-Tc (La0.9Ba0.1)2CuO4-y",

abstract = "We have measured the magnetic moment of (La0.9Ba0.1)2CuO4- as a function of temperature and magnetic field and have found the onset of superconductivity at a temperature T {reversed tilde equals} 35 K. From the magnetic field dependencies, we have shown that the sample is a type-II superconductor with ≲ {reversed tilde equals} 11. Specific heat measurements yield a finite electronic specific heat coefficient of ∼6 mJ/mole-K2 at 4 K and a Debye temperature of only 330 K, suggesting that a strong electron-phonon interaction may be responsible for the high T in our sample.",

author = "E. Zirngiebl and Willis, {J. O.} and Thompson, {J. D.} and Huang, {C. Y.} and Smith, {J. L.} and Z. Fisk and Hor, {P. H.} and Meng, {R. L.} and Chu, {C. W.} and Wu, {M. K.}",

year = "1987",

month = aug,

doi = "10.1016/0038-1098(87)90118-9",

language = "English",

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journal = "Solid State Communications",

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T1 - Magnetic and thermal measurements on high-Tc (La0.9Ba0.1)2CuO4-y

AU - Zirngiebl, E.

AU - Willis, J. O.

AU - Thompson, J. D.

AU - Huang, C. Y.

AU - Smith, J. L.

AU - Fisk, Z.

AU - Hor, P. H.

AU - Meng, R. L.

AU - Chu, C. W.

AU - Wu, M. K.

PY - 1987/8

Y1 - 1987/8

N2 - We have measured the magnetic moment of (La0.9Ba0.1)2CuO4- as a function of temperature and magnetic field and have found the onset of superconductivity at a temperature T {reversed tilde equals} 35 K. From the magnetic field dependencies, we have shown that the sample is a type-II superconductor with ≲ {reversed tilde equals} 11. Specific heat measurements yield a finite electronic specific heat coefficient of ∼6 mJ/mole-K2 at 4 K and a Debye temperature of only 330 K, suggesting that a strong electron-phonon interaction may be responsible for the high T in our sample.

AB - We have measured the magnetic moment of (La0.9Ba0.1)2CuO4- as a function of temperature and magnetic field and have found the onset of superconductivity at a temperature T {reversed tilde equals} 35 K. From the magnetic field dependencies, we have shown that the sample is a type-II superconductor with ≲ {reversed tilde equals} 11. Specific heat measurements yield a finite electronic specific heat coefficient of ∼6 mJ/mole-K2 at 4 K and a Debye temperature of only 330 K, suggesting that a strong electron-phonon interaction may be responsible for the high T in our sample.

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U2 - 10.1016/0038-1098(87)90118-9

DO - 10.1016/0038-1098(87)90118-9

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SN - 0038-1098

VL - 63

SP - 721

EP - 724

JO - Solid State Communications

JF - Solid State Communications

IS - 8

ER -

Magnetic and thermal measurements on high-Tc (La0.9Ba0.1)2CuO4-y

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Magnetic and thermal measurements on high-T_c (La_0.9Ba_0.1)₂CuO_4-y