Magnetocaloric effect in geometrically frustrated magnetic compound HoB12

J. L. Snyman; K. Flachbart; S. Gabani; M. Reiffers; N. Shitsevalova; K. Siemensmeyer; A. M. Strydom

doi:10.12693/APhysPolA.118.873

Magnetocaloric effect in geometrically frustrated magnetic compound HoB₁₂

J. L. Snyman, K. Flachbart, S. Gabani, M. Reiffers, N. Shitsevalova, K. Siemensmeyer, A. M. Strydom

Physics

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

1 Citation (Scopus)

Abstract

The magnetocaloric effect of frustrated antiferromagnetic HoB₁₂ is calculated. The isothermal entropy change ΔS characterising the magnetocaloric effect shows a small positive change upon magnetisation below the transition temperature T_N, indicating a small inverse magnetocaloric effect. At T_N, ΔS shows clear scaling behaviour with the applied magnetic field. The adiabatic temperature change ΔT shows paramagnetic behaviour above T_N, despite strong magnetic correlations that persist in this temperature region. The adiabatic temperature change calculated for HoB₁₂ is appreciable.

Original language	English
Pages (from-to)	873-874
Number of pages	2
Journal	Acta Physica Polonica A
Volume	118
Issue number	5
DOIs	https://doi.org/10.12693/APhysPolA.118.873
Publication status	Published - Nov 2010

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Magnetocaloric effect in geometrically frustrated magnetic compound HoB12 ",

abstract = "The magnetocaloric effect of frustrated antiferromagnetic HoB12 is calculated. The isothermal entropy change ΔS characterising the magnetocaloric effect shows a small positive change upon magnetisation below the transition temperature TN, indicating a small inverse magnetocaloric effect. At TN, ΔS shows clear scaling behaviour with the applied magnetic field. The adiabatic temperature change ΔT shows paramagnetic behaviour above TN, despite strong magnetic correlations that persist in this temperature region. The adiabatic temperature change calculated for HoB12 is appreciable.",

author = "Snyman, {J. L.} and K. Flachbart and S. Gabani and M. Reiffers and N. Shitsevalova and K. Siemensmeyer and Strydom, {A. M.}",

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AU - Snyman, J. L.

AU - Flachbart, K.

AU - Gabani, S.

AU - Reiffers, M.

AU - Shitsevalova, N.

AU - Siemensmeyer, K.

AU - Strydom, A. M.

PY - 2010/11

Y1 - 2010/11

N2 - The magnetocaloric effect of frustrated antiferromagnetic HoB12 is calculated. The isothermal entropy change ΔS characterising the magnetocaloric effect shows a small positive change upon magnetisation below the transition temperature TN, indicating a small inverse magnetocaloric effect. At TN, ΔS shows clear scaling behaviour with the applied magnetic field. The adiabatic temperature change ΔT shows paramagnetic behaviour above TN, despite strong magnetic correlations that persist in this temperature region. The adiabatic temperature change calculated for HoB12 is appreciable.

AB - The magnetocaloric effect of frustrated antiferromagnetic HoB12 is calculated. The isothermal entropy change ΔS characterising the magnetocaloric effect shows a small positive change upon magnetisation below the transition temperature TN, indicating a small inverse magnetocaloric effect. At TN, ΔS shows clear scaling behaviour with the applied magnetic field. The adiabatic temperature change ΔT shows paramagnetic behaviour above TN, despite strong magnetic correlations that persist in this temperature region. The adiabatic temperature change calculated for HoB12 is appreciable.

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JO - Acta Physica Polonica A

JF - Acta Physica Polonica A

IS - 5

ER -

Magnetocaloric effect in geometrically frustrated magnetic compound HoB₁₂

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