Magnetic properties of the quasi-one-dimensional compound Ca2+xY2-xCu5O10

M. Matsuda; K. Katsumata

doi:10.1016/S0304-8853(97)00341-7

Magnetic properties of the quasi-one-dimensional compound Ca_2+xY_2-xCu₅O₁₀

M. Matsuda, K. Katsumata

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

We have performed magnetic susceptibility and heat capacity measurements on Ca_2+xY_2-xCu₅O₁₀ (x = O and 0.75), which have chains of edge-shared CuO₄ tetragons. It was found that Ca₂Y₂Cu₅O₁₀ shows a magnetic transition around 29 K. The high transition temperature and the large magnetic entropy below the transition temperature indicate that the inter-chain interaction is rather large. The transition temperature is decreased in the Ca-rich sample probably due to the holes which are coupled with the copper spins.

Original language	English
Pages (from-to)	683-684
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	177-181
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0304-8853(97)00341-7
State	Published - Jan 1998
Externally published	Yes

Funding

We thank H. Aruga Katori, Z. Honda, and H. Yamaguchi for their help in measuring the heat capacity. This work was partially supported by the NEDO International Joint Research Grant and by a Grant-in-Aid for Scientific Research from the Japanese Ministry of Education, Science, Sports and Culture.

Funders	Funder number
Ministry of Education, Culture, Sports, Science and Technology
New Energy and Industrial Technology Development Organization

Keywords

Heat capacity
Magnetic ordering - long range
Magnetic susceptibility
One-dimensional systems

Access to Document

10.1016/S0304-8853(97)00341-7

Cite this

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title = "Magnetic properties of the quasi-one-dimensional compound Ca2+xY2-xCu5O10",

abstract = "We have performed magnetic susceptibility and heat capacity measurements on Ca2+xY2-xCu5O10 (x = O and 0.75), which have chains of edge-shared CuO4 tetragons. It was found that Ca2Y2Cu5O10 shows a magnetic transition around 29 K. The high transition temperature and the large magnetic entropy below the transition temperature indicate that the inter-chain interaction is rather large. The transition temperature is decreased in the Ca-rich sample probably due to the holes which are coupled with the copper spins.",

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AB - We have performed magnetic susceptibility and heat capacity measurements on Ca2+xY2-xCu5O10 (x = O and 0.75), which have chains of edge-shared CuO4 tetragons. It was found that Ca2Y2Cu5O10 shows a magnetic transition around 29 K. The high transition temperature and the large magnetic entropy below the transition temperature indicate that the inter-chain interaction is rather large. The transition temperature is decreased in the Ca-rich sample probably due to the holes which are coupled with the copper spins.

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