New S = 1/2 alternating chain compound - High pressure form of (VO)2P2O7-

M. Azuma; T. Saito; Z. Hiroi; M. Takano; Y. Narumi; K. Kindo

doi:10.12693/APhysPolA.97.205

New S = 1/2 alternating chain compound - High pressure form of (VO)₂P₂O_7-

M. Azuma, T. Saito, Z. Hiroi, M. Takano, Y. Narumi, K. Kindo

Research output: Contribution to journal › Conference article › peer-review

Abstract

The high-pressure phase of (VO)₂P₂O₇ comprises a unique kind of spin-1/2 Heisenberg alternating antiferromagnetic chain, in contrast with the ambient pressure phase containing two crystallographically different chains. Magnetic susceptibility and high-field magnetization data showed the presence of a single spin gap of 23 (magnetization) ∼ 27 (susceptibility) K, not double as observed for the ambient pressure phase. This result shows that the two kinds of chains of the ambient pressure phase have single, different spin gaps.

Original language	English
Pages (from-to)	205-208
Number of pages	4
Journal	Acta Physica Polonica A
Volume	97
Issue number	1
DOIs	https://doi.org/10.12693/APhysPolA.97.205
Publication status	Published - 2000 Jan
Externally published	Yes
Event	The European Conference: Physics of Magnetism '99 - Poznan, Poland Duration: 1999 Jun 21 → 1999 Jun 25

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.12693/APhysPolA.97.205

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title = "New S = 1/2 alternating chain compound - High pressure form of (VO)2P2O7-",

abstract = "The high-pressure phase of (VO)2P2O7 comprises a unique kind of spin-1/2 Heisenberg alternating antiferromagnetic chain, in contrast with the ambient pressure phase containing two crystallographically different chains. Magnetic susceptibility and high-field magnetization data showed the presence of a single spin gap of 23 (magnetization) ∼ 27 (susceptibility) K, not double as observed for the ambient pressure phase. This result shows that the two kinds of chains of the ambient pressure phase have single, different spin gaps.",

author = "M. Azuma and T. Saito and Z. Hiroi and M. Takano and Y. Narumi and K. Kindo",

year = "2000",

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journal = "Acta Physica Polonica A",

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note = "The European Conference: Physics of Magnetism '99 ; Conference date: 21-06-1999 Through 25-06-1999",

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TY - JOUR

T1 - New S = 1/2 alternating chain compound - High pressure form of (VO)2P2O7-

AU - Azuma, M.

AU - Saito, T.

AU - Hiroi, Z.

AU - Takano, M.

AU - Narumi, Y.

AU - Kindo, K.

PY - 2000/1

Y1 - 2000/1

N2 - The high-pressure phase of (VO)2P2O7 comprises a unique kind of spin-1/2 Heisenberg alternating antiferromagnetic chain, in contrast with the ambient pressure phase containing two crystallographically different chains. Magnetic susceptibility and high-field magnetization data showed the presence of a single spin gap of 23 (magnetization) ∼ 27 (susceptibility) K, not double as observed for the ambient pressure phase. This result shows that the two kinds of chains of the ambient pressure phase have single, different spin gaps.

AB - The high-pressure phase of (VO)2P2O7 comprises a unique kind of spin-1/2 Heisenberg alternating antiferromagnetic chain, in contrast with the ambient pressure phase containing two crystallographically different chains. Magnetic susceptibility and high-field magnetization data showed the presence of a single spin gap of 23 (magnetization) ∼ 27 (susceptibility) K, not double as observed for the ambient pressure phase. This result shows that the two kinds of chains of the ambient pressure phase have single, different spin gaps.

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VL - 97

SP - 205

EP - 208

JO - Acta Physica Polonica A

JF - Acta Physica Polonica A

SN - 0587-4246

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T2 - The European Conference: Physics of Magnetism '99

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ER -

New S = 1/2 alternating chain compound - High pressure form of (VO)₂P₂O_7-

Abstract

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