New type of frustrated spin chains in KMgxCu5-xV3O13 (x = 0-1)

Hiroya Sakurai, Norihiro Jiko, Kazuyoshi Yoshimura, Koji Kosuge, Akihiro Mitsuda, Fumihiro Ishikawa, Hiroyuki Mitamura, Tsuneaki Goto

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We synthesized the powder samples of KMgxCu5-xV3O13 (x = 0.1 ∼ 1) and investigated their magnetic susceptibilities and the magnetization curves up to 47 T. The Curie constant and the Weiss temperature of KMgCu4V3O13 change markedly around 20 K. From the Curie constant estimated from the data between 5 and 10 K, the number of spins in the low-temperature region was estimated to be nlow = 8.13%, assuming all the copper spins have S = 1/2 and g = 2. The magnetization curve of KMgCu4V3O13 at 1.7 K is bent around 20 T and shows a linear increase between 20 and 30 T. The magnetization, Mlinear(H → 0), estimated by extrapolating the linear part to 0 T is 0.306 μ(B)/f.u. Furthermore, all the x dependences of the Néel temperature TN, nlow, θlow, the magnetic field at spin-flop transition Hsf and Mlinear(H → 0) change continuously with x. This indicates that there is no quantum critical region between the frustrated spin chains of KCu5V3O13 and KMgCu4V3O13. The ground states of KCu5V3O13 and KMgCu4V3O13 have been deduced.

Original languageEnglish
Pages (from-to)1123-1127
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume63
Issue number6-8
DOIs
Publication statusPublished - Jan 1 2002

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Magnetization
magnetization
Magnetic susceptibility
Powders
Temperature
Ground state
Copper
curves
Magnetic fields
magnetic permeability
copper
ground state
temperature
magnetic fields

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Sakurai, H., Jiko, N., Yoshimura, K., Kosuge, K., Mitsuda, A., Ishikawa, F., ... Goto, T. (2002). New type of frustrated spin chains in KMgxCu5-xV3O13 (x = 0-1). Journal of Physics and Chemistry of Solids, 63(6-8), 1123-1127. https://doi.org/10.1016/S0022-3697(02)00128-2

New type of frustrated spin chains in KMgxCu5-xV3O13 (x = 0-1). / Sakurai, Hiroya; Jiko, Norihiro; Yoshimura, Kazuyoshi; Kosuge, Koji; Mitsuda, Akihiro; Ishikawa, Fumihiro; Mitamura, Hiroyuki; Goto, Tsuneaki.

In: Journal of Physics and Chemistry of Solids, Vol. 63, No. 6-8, 01.01.2002, p. 1123-1127.

Research output: Contribution to journalArticle

Sakurai, H, Jiko, N, Yoshimura, K, Kosuge, K, Mitsuda, A, Ishikawa, F, Mitamura, H & Goto, T 2002, 'New type of frustrated spin chains in KMgxCu5-xV3O13 (x = 0-1)', Journal of Physics and Chemistry of Solids, vol. 63, no. 6-8, pp. 1123-1127. https://doi.org/10.1016/S0022-3697(02)00128-2
Sakurai, Hiroya ; Jiko, Norihiro ; Yoshimura, Kazuyoshi ; Kosuge, Koji ; Mitsuda, Akihiro ; Ishikawa, Fumihiro ; Mitamura, Hiroyuki ; Goto, Tsuneaki. / New type of frustrated spin chains in KMgxCu5-xV3O13 (x = 0-1). In: Journal of Physics and Chemistry of Solids. 2002 ; Vol. 63, No. 6-8. pp. 1123-1127.
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AU - Kosuge, Koji

AU - Mitsuda, Akihiro

AU - Ishikawa, Fumihiro

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N2 - We synthesized the powder samples of KMgxCu5-xV3O13 (x = 0.1 ∼ 1) and investigated their magnetic susceptibilities and the magnetization curves up to 47 T. The Curie constant and the Weiss temperature of KMgCu4V3O13 change markedly around 20 K. From the Curie constant estimated from the data between 5 and 10 K, the number of spins in the low-temperature region was estimated to be nlow = 8.13%, assuming all the copper spins have S = 1/2 and g = 2. The magnetization curve of KMgCu4V3O13 at 1.7 K is bent around 20 T and shows a linear increase between 20 and 30 T. The magnetization, Mlinear(H → 0), estimated by extrapolating the linear part to 0 T is 0.306 μ(B)/f.u. Furthermore, all the x dependences of the Néel temperature TN, nlow, θlow, the magnetic field at spin-flop transition Hsf and Mlinear(H → 0) change continuously with x. This indicates that there is no quantum critical region between the frustrated spin chains of KCu5V3O13 and KMgCu4V3O13. The ground states of KCu5V3O13 and KMgCu4V3O13 have been deduced.

AB - We synthesized the powder samples of KMgxCu5-xV3O13 (x = 0.1 ∼ 1) and investigated their magnetic susceptibilities and the magnetization curves up to 47 T. The Curie constant and the Weiss temperature of KMgCu4V3O13 change markedly around 20 K. From the Curie constant estimated from the data between 5 and 10 K, the number of spins in the low-temperature region was estimated to be nlow = 8.13%, assuming all the copper spins have S = 1/2 and g = 2. The magnetization curve of KMgCu4V3O13 at 1.7 K is bent around 20 T and shows a linear increase between 20 and 30 T. The magnetization, Mlinear(H → 0), estimated by extrapolating the linear part to 0 T is 0.306 μ(B)/f.u. Furthermore, all the x dependences of the Néel temperature TN, nlow, θlow, the magnetic field at spin-flop transition Hsf and Mlinear(H → 0) change continuously with x. This indicates that there is no quantum critical region between the frustrated spin chains of KCu5V3O13 and KMgCu4V3O13. The ground states of KCu5V3O13 and KMgCu4V3O13 have been deduced.

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