Magnetic phase diagrams of the Kagomé staircase compound Co3 V2 O8

F. Yen; R. P. Chaudhury; E. Galstyan; B. Lorenz; Y. Q. Wang; Y. Y. Sun; C. W. Chu

doi:10.1016/j.physb.2007.10.334

Magnetic phase diagrams of the Kagomé staircase compound Co₃ V₂ O₈

F. Yen, R. P. Chaudhury, E. Galstyan, B. Lorenz, Y. Q. Wang, Y. Y. Sun, C. W. Chu

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Abstract

At zero magnetic field, a series of five phase transitions occur in Co₃ V₂ O₈. The Néel temperature, T_N = 11.4 K, is followed by four additional phase changes at T₁ = 8.9 K, T₂ = 7.0 K, T₃ = 6.9 K, and T₄ = 6.2 K. The different phases are distinguished by the commensurability of the b-component of its spin density wave vector. We investigate the stability of these various phases under magnetic fields through dielectric constant and magnetic susceptibility anomalies. The field-temperature phase diagram of Co₃ V₂ O₈ is completely resolved. The complexity of the phase diagram results from the competition of different magnetic states with almost equal ground state energies due to competing exchange interactions and frustration.

Original language	English
Pages (from-to)	1487-1489
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	403
Issue number	5-9
DOIs	https://doi.org/10.1016/j.physb.2007.10.334
Publication status	Published - 2008 Apr 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/j.physb.2007.10.334

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title = "Magnetic phase diagrams of the Kagom{\'e} staircase compound Co3 V2 O8",

abstract = "At zero magnetic field, a series of five phase transitions occur in Co3 V2 O8. The N{\'e}el temperature, TN = 11.4 K, is followed by four additional phase changes at T1 = 8.9 K, T2 = 7.0 K, T3 = 6.9 K, and T4 = 6.2 K. The different phases are distinguished by the commensurability of the b-component of its spin density wave vector. We investigate the stability of these various phases under magnetic fields through dielectric constant and magnetic susceptibility anomalies. The field-temperature phase diagram of Co3 V2 O8 is completely resolved. The complexity of the phase diagram results from the competition of different magnetic states with almost equal ground state energies due to competing exchange interactions and frustration.",

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T1 - Magnetic phase diagrams of the Kagomé staircase compound Co3 V2 O8

AU - Yen, F.

AU - Chaudhury, R. P.

AU - Galstyan, E.

AU - Lorenz, B.

AU - Wang, Y. Q.

AU - Sun, Y. Y.

AU - Chu, C. W.

PY - 2008/4/1

Y1 - 2008/4/1

N2 - At zero magnetic field, a series of five phase transitions occur in Co3 V2 O8. The Néel temperature, TN = 11.4 K, is followed by four additional phase changes at T1 = 8.9 K, T2 = 7.0 K, T3 = 6.9 K, and T4 = 6.2 K. The different phases are distinguished by the commensurability of the b-component of its spin density wave vector. We investigate the stability of these various phases under magnetic fields through dielectric constant and magnetic susceptibility anomalies. The field-temperature phase diagram of Co3 V2 O8 is completely resolved. The complexity of the phase diagram results from the competition of different magnetic states with almost equal ground state energies due to competing exchange interactions and frustration.

AB - At zero magnetic field, a series of five phase transitions occur in Co3 V2 O8. The Néel temperature, TN = 11.4 K, is followed by four additional phase changes at T1 = 8.9 K, T2 = 7.0 K, T3 = 6.9 K, and T4 = 6.2 K. The different phases are distinguished by the commensurability of the b-component of its spin density wave vector. We investigate the stability of these various phases under magnetic fields through dielectric constant and magnetic susceptibility anomalies. The field-temperature phase diagram of Co3 V2 O8 is completely resolved. The complexity of the phase diagram results from the competition of different magnetic states with almost equal ground state energies due to competing exchange interactions and frustration.

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Magnetic phase diagrams of the Kagomé staircase compound Co₃ V₂ O₈

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