Cu-NMR/NQR studies of spin gap in the edge-sharing CuO2 chains of Ca2+xY2-xCu5O10

K. Kumagai; K. Yoshimitsu; A. Shimamura; K. Kudo; S. Kurogi; Y. Koike

doi:10.1063/1.2355050

Cu-NMR/NQR studies of spin gap in the edge-sharing CuO₂ chains of Ca_2+xY_2-xCu₅O₁₀

K. Kumagai, K. Yoshimitsu, A. Shimamura, K. Kudo, S. Kurogi, Y. Koike

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We have studied ⁶³Cu-NMR of Ca_2+xY _2-xCu₅O₁₀ with edge-sharing CuO₂ chains. The Knight shift, ⁶³K, and nuclear spin-lattice relaxation time, ⁶³T₁, of ⁶³Cu show spin gap behavior of Δ ∼ 50K for x=1.5 and 1.67, which is relevant for the spin dimer formation of Cu²⁺ spins in the chains.

Original language	English
Title of host publication	LOW TEMPERATURE PHYSICS
Subtitle of host publication	24th International Conference on Low Temperature Physics - LT24
Pages	1021-1022
Number of pages	2
DOIs	https://doi.org/10.1063/1.2355050
Publication status	Published - 2006
Externally published	Yes
Event	LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 - Orlando, FL, United States Duration: Aug 10 2006 → Oct 17 2006

Publication series

Name	AIP Conference Proceedings
Volume	850
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24
Country/Territory	United States
City	Orlando, FL
Period	8/10/06 → 10/17/06

Keywords

CaYCu O
Dimer
Knight shift
NMR
Spin gap

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.2355050

Cite this

Cu-NMR/NQR studies of spin gap in the edge-sharing CuO₂ chains of Ca_2+xY_2-xCu₅O₁₀. / Kumagai, K.; Yoshimitsu, K.; Shimamura, A. et al.

LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. 2006. p. 1021-1022 (AIP Conference Proceedings; Vol. 850).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kumagai, K, Yoshimitsu, K, Shimamura, A, Kudo, K, Kurogi, S & Koike, Y 2006, Cu-NMR/NQR studies of spin gap in the edge-sharing CuO₂ chains of Ca_2+xY_2-xCu₅O₁₀. in LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. AIP Conference Proceedings, vol. 850, pp. 1021-1022, LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24, Orlando, FL, United States, 8/10/06. https://doi.org/10.1063/1.2355050

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title = "Cu-NMR/NQR studies of spin gap in the edge-sharing CuO2 chains of Ca2+xY2-xCu5O10",

abstract = "We have studied 63Cu-NMR of Ca2+xY 2-xCu5O10 with edge-sharing CuO2 chains. The Knight shift, 63K, and nuclear spin-lattice relaxation time, 63T1, of 63Cu show spin gap behavior of Δ ∼ 50K for x=1.5 and 1.67, which is relevant for the spin dimer formation of Cu2+ spins in the chains.",

keywords = "CaYCu O, Dimer, Knight shift, NMR, Spin gap",

author = "K. Kumagai and K. Yoshimitsu and A. Shimamura and K. Kudo and S. Kurogi and Y. Koike",

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AU - Kudo, K.

AU - Kurogi, S.

AU - Koike, Y.

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AB - We have studied 63Cu-NMR of Ca2+xY 2-xCu5O10 with edge-sharing CuO2 chains. The Knight shift, 63K, and nuclear spin-lattice relaxation time, 63T1, of 63Cu show spin gap behavior of Δ ∼ 50K for x=1.5 and 1.67, which is relevant for the spin dimer formation of Cu2+ spins in the chains.

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