The effect of the exchange interaction on the specific heat of Pr(Ni1-cCoc)5 compounds

R. Kuentzler; D. Schmitt; A. Tari

doi:10.1016/S0304-8853(96)00293-4

The effect of the exchange interaction on the specific heat of Pr(Ni_1-cCo_c)₅ compounds

R. Kuentzler, D. Schmitt^*, A. Tari

^*Corresponding author for this work

King Fahd University of Petroleum & Minerals

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

Abstract

The specific heat of Pr(Ni_1-cCo_c)₅ compounds with c ≤ 0.20 has been measured at temperatures between 1.5 and 50 K. The substitution of Co for Ni is found to reduce the height of the large peak observed in the specific heat of PrNi₅ and to increase the peak temperature. The reduction of the peak height is explained by the effect of the exchange field of Co on Pr³⁺ ions. The substitution appears to modify the crystal field parameters.

Original language	English
Pages (from-to)	314-318
Number of pages	5
Journal	Journal of Magnetism and Magnetic Materials
Volume	162
Issue number	2-3
DOIs	https://doi.org/10.1016/S0304-8853(96)00293-4
State	Published - Sep 1996

Keywords

Crystal field
Exchange
Specific heat

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1016/S0304-8853(96)00293-4

Cite this

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abstract = "The specific heat of Pr(Ni1-cCoc)5 compounds with c ≤ 0.20 has been measured at temperatures between 1.5 and 50 K. The substitution of Co for Ni is found to reduce the height of the large peak observed in the specific heat of PrNi5 and to increase the peak temperature. The reduction of the peak height is explained by the effect of the exchange field of Co on Pr3+ ions. The substitution appears to modify the crystal field parameters.",

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AU - Kuentzler, R.

AU - Schmitt, D.

AU - Tari, A.

PY - 1996/9

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N2 - The specific heat of Pr(Ni1-cCoc)5 compounds with c ≤ 0.20 has been measured at temperatures between 1.5 and 50 K. The substitution of Co for Ni is found to reduce the height of the large peak observed in the specific heat of PrNi5 and to increase the peak temperature. The reduction of the peak height is explained by the effect of the exchange field of Co on Pr3+ ions. The substitution appears to modify the crystal field parameters.

AB - The specific heat of Pr(Ni1-cCoc)5 compounds with c ≤ 0.20 has been measured at temperatures between 1.5 and 50 K. The substitution of Co for Ni is found to reduce the height of the large peak observed in the specific heat of PrNi5 and to increase the peak temperature. The reduction of the peak height is explained by the effect of the exchange field of Co on Pr3+ ions. The substitution appears to modify the crystal field parameters.

KW - Crystal field

KW - Exchange

KW - Specific heat

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DO - 10.1016/S0304-8853(96)00293-4

M3 - Article

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