Peculiarities of the flucutational aftereffect following first order magnetostructural phase transition in (Fe,Ni)Rh alloy

E. A. Rozenberg; A. V. Chetverikov

doi:10.1016/0304-8853(92)91046-V

Peculiarities of the flucutational aftereffect following first order magnetostructural phase transition in (Fe,Ni)Rh alloy

E. A. Rozenberg, A. V. Chetverikov

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

7 Scopus citations

Abstract

Behaviours of the parameters S_T and S_H as well as irreversible "susceptibilities" k_irr and d_irr, which characterize the magnetic aftereffect of strain, are studied for the (Fe_0.965Ni_0.035)_0.49Rh_0.51 alloy in the region of temperature and magnetic field induced first order magnetostructural phase transitions. The universal constants kT/r and kT/q (which are independent of the shape of specimen and kinds of dependences of strain versus temperature and field) as well as activation volumes ι'_T and ι'_H are estimated from the experimental data. Inapplicability of the Kittel's theory for the description of the investigated phase transition in FeRh based alloys is discussed. The results obtained in the work are compared with known ones for high-coercivity materials.

Original language	English
Pages (from-to)	11-18
Number of pages	8
Journal	Journal of Magnetism and Magnetic Materials
Volume	111
Issue number	1-2
DOIs	https://doi.org/10.1016/0304-8853(92)91046-V
State	Published - 1 Jun 1992
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/0304-8853(92)91046-V

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title = "Peculiarities of the flucutational aftereffect following first order magnetostructural phase transition in (Fe,Ni)Rh alloy",

abstract = "Behaviours of the parameters ST and SH as well as irreversible {"}susceptibilities{"} kirr and dirr, which characterize the magnetic aftereffect of strain, are studied for the (Fe0.965Ni0.035)0.49Rh0.51 alloy in the region of temperature and magnetic field induced first order magnetostructural phase transitions. The universal constants kT/r and kT/q (which are independent of the shape of specimen and kinds of dependences of strain versus temperature and field) as well as activation volumes ι'T and ι'H are estimated from the experimental data. Inapplicability of the Kittel's theory for the description of the investigated phase transition in FeRh based alloys is discussed. The results obtained in the work are compared with known ones for high-coercivity materials.",

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T1 - Peculiarities of the flucutational aftereffect following first order magnetostructural phase transition in (Fe,Ni)Rh alloy

AU - Rozenberg, E. A.

AU - Chetverikov, A. V.

PY - 1992/6/1

Y1 - 1992/6/1

N2 - Behaviours of the parameters ST and SH as well as irreversible "susceptibilities" kirr and dirr, which characterize the magnetic aftereffect of strain, are studied for the (Fe0.965Ni0.035)0.49Rh0.51 alloy in the region of temperature and magnetic field induced first order magnetostructural phase transitions. The universal constants kT/r and kT/q (which are independent of the shape of specimen and kinds of dependences of strain versus temperature and field) as well as activation volumes ι'T and ι'H are estimated from the experimental data. Inapplicability of the Kittel's theory for the description of the investigated phase transition in FeRh based alloys is discussed. The results obtained in the work are compared with known ones for high-coercivity materials.

AB - Behaviours of the parameters ST and SH as well as irreversible "susceptibilities" kirr and dirr, which characterize the magnetic aftereffect of strain, are studied for the (Fe0.965Ni0.035)0.49Rh0.51 alloy in the region of temperature and magnetic field induced first order magnetostructural phase transitions. The universal constants kT/r and kT/q (which are independent of the shape of specimen and kinds of dependences of strain versus temperature and field) as well as activation volumes ι'T and ι'H are estimated from the experimental data. Inapplicability of the Kittel's theory for the description of the investigated phase transition in FeRh based alloys is discussed. The results obtained in the work are compared with known ones for high-coercivity materials.

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Peculiarities of the flucutational aftereffect following first order magnetostructural phase transition in (Fe,Ni)Rh alloy

Abstract

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