CRYSTALLINE STRUCTURE, MAGNETIC AND MAGNETOELASTIC PROPERTIES OF ND6FE13-XCOXCU INTERMETALLIC COMPOUNDS

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IRANMANESH P.; TAJABOR N.; REZAEE ROKNABADI M.; FRUCHART D.; POURARIAN F.; SALAMATI H.

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Journal: Iranian Journal of Physics Research Year:2011 | Volume:10 | Issue:4 Page(s): 337-345

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Title

CRYSTALLINE STRUCTURE, MAGNETIC AND MAGNETOELASTIC PROPERTIES OF ND6FE13-XCOXCU INTERMETALLIC COMPOUNDS

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Keywords

INTERMETALLIC COMPOUNDQ3

ND6FE13-XCOXCUQ3

STRUCTURAL ANALYSISQ3

MAGNETIC PROPERTIESQ3

MAGNETOELASTIC PROPERTIESQ3

Abstract

Influence of the partial substitution of Co for Fe on the structural, magnetic and MAGNETOELASTIC PROPERTIES of Nd6Fe13Cu compounds are investigated. Analysis of X-ray diffraction patterns indicates that the multi-phase sample is formed for all samples. Upon Co substitution, the second phase Nd2Fe17, Nd2Fe17-yCoy with 0<y<1 and Nd2Fe17-zCoz with 1<z<2 is formed in the samples with x=0, 1, 2, respectively so that the lattice parameters are decreased and the Curie temperature is increased. Due to the ferromagnetic phase Nd2Fe17-yCoy in sample with x=1, the change of the anisotropy and increase of exchange effects are observed. The effects of long-range magnetic ordering processes on Néel temperature clearly appear in the temperature dependence of the spontaneous magnetostriction. Longitudinal (ll) and transverse (lt) magnetostrictions are measured to study the magnetoelastic behaviour of these compounds using a strain gauge method. In the low field region, magnetostrictive strains are small and then increase with increasing fields. Strong pining center of Nd atoms that creates large magnetocrystalline anisotropy prevents easy movement of domain walls. In the sample with x=0, the magnetostriction contribution from the rare earth sublattice (Nd) dominates at low temperature and the Fe sublattice contribution becomes increasingly important as temperature rises.

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APA: Copy

IRANMANESH, P., TAJABOR, N., REZAEE ROKNABADI, M., FRUCHART, D., POURARIAN, F., & SALAMATI, H.. (2011). CRYSTALLINE STRUCTURE, MAGNETIC AND MAGNETOELASTIC PROPERTIES OF ND6FE13-XCOXCU INTERMETALLIC COMPOUNDS. IRANIAN JOURNAL OF PHYSICS RESEARCH, 10(4), 337-345. SID. https://sid.ir/paper/1356/en

Vancouver: Copy

IRANMANESH P., TAJABOR N., REZAEE ROKNABADI M., FRUCHART D., POURARIAN F., SALAMATI H.. CRYSTALLINE STRUCTURE, MAGNETIC AND MAGNETOELASTIC PROPERTIES OF ND6FE13-XCOXCU INTERMETALLIC COMPOUNDS. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2011;10(4):337-345. Available from: https://sid.ir/paper/1356/en

IEEE: Copy

P. IRANMANESH, N. TAJABOR, M. REZAEE ROKNABADI, D. FRUCHART, F. POURARIAN, and H. SALAMATI, “CRYSTALLINE STRUCTURE, MAGNETIC AND MAGNETOELASTIC PROPERTIES OF ND6FE13-XCOXCU INTERMETALLIC COMPOUNDS,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 10, no. 4, pp. 337–345, 2011, [Online]. Available: https://sid.ir/paper/1356/en

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