Evidence of the spin gap in Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ

Y. Feng; K. Q. Ruan; K. Q. Wang; C. Y. Wang; L. Z. Cao; Q. L. Xu; F. Foong; B. Bedard; S. H. Liou

doi:10.1016/S0921-4534(97)00709-0

Evidence of the spin gap in Hg_0.9Tl_0.1Ba₂Ca₂Cu₃O _8+δ

Y. Feng, K. Q. Ruan, K. Q. Wang, C. Y. Wang, L. Z. Cao, Q. L. Xu, F. Foong, B. Bedard, S. H. Liou

Research output: Contribution to journal › Article

Abstract

We have measured the resistivity ρ(T) in high quality Hg_0.9Tl_0.1Ba₂Ca₂Cu₃O _8+δ thin films and specific heat in Hg_0.9Tl_0.1Ba₂Ca₂Cu₃O _8+δ polycrystals samples. The resistivities ρ_ab(T) in the thin film samples show systematic deviation from T-linear behavior below a temperature T_D well above T_c. The magnitude of the specific heat jump δγ(T_c) decreases sharply with little change in T_c or in γ(T) well below or well above T_c. Those behaviors reflect the opening of the spin gap.

Original language	English (US)
Pages (from-to)	1153-1154
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	282-287
Issue number	PART 3
DOIs	https://doi.org/10.1016/S0921-4534(97)00709-0
State	Published - Aug 1997

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/S0921-4534(97)00709-0

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title = "Evidence of the spin gap in Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ",

abstract = "We have measured the resistivity ρ(T) in high quality Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ thin films and specific heat in Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ polycrystals samples. The resistivities ρab(T) in the thin film samples show systematic deviation from T-linear behavior below a temperature TD well above Tc. The magnitude of the specific heat jump δγ(Tc) decreases sharply with little change in Tc or in γ(T) well below or well above Tc. Those behaviors reflect the opening of the spin gap.",

author = "Y. Feng and Ruan, {K. Q.} and Wang, {K. Q.} and Wang, {C. Y.} and Cao, {L. Z.} and Xu, {Q. L.} and F. Foong and B. Bedard and Liou, {S. H.}",

year = "1997",

month = aug,

doi = "10.1016/S0921-4534(97)00709-0",

language = "English (US)",

volume = "282-287",

pages = "1153--1154",

journal = "Physica C: Superconductivity and its Applications",

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publisher = "Elsevier",

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TY - JOUR

T1 - Evidence of the spin gap in Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ

AU - Feng, Y.

AU - Ruan, K. Q.

AU - Wang, K. Q.

AU - Wang, C. Y.

AU - Cao, L. Z.

AU - Xu, Q. L.

AU - Foong, F.

AU - Bedard, B.

AU - Liou, S. H.

PY - 1997/8

Y1 - 1997/8

N2 - We have measured the resistivity ρ(T) in high quality Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ thin films and specific heat in Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ polycrystals samples. The resistivities ρab(T) in the thin film samples show systematic deviation from T-linear behavior below a temperature TD well above Tc. The magnitude of the specific heat jump δγ(Tc) decreases sharply with little change in Tc or in γ(T) well below or well above Tc. Those behaviors reflect the opening of the spin gap.

AB - We have measured the resistivity ρ(T) in high quality Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ thin films and specific heat in Hg0.9Tl0.1Ba2Ca2Cu3O 8+δ polycrystals samples. The resistivities ρab(T) in the thin film samples show systematic deviation from T-linear behavior below a temperature TD well above Tc. The magnitude of the specific heat jump δγ(Tc) decreases sharply with little change in Tc or in γ(T) well below or well above Tc. Those behaviors reflect the opening of the spin gap.

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