Dilution of the magnetic moment of Fe by Cr for Fe73.5-xCrxCu1Nb3Si13.5B9 and the field-cooled and zero-field-cooled behavior for higher Cr content

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Hakim, M. A. (författare)

Hoque, S. Maqjura (författare)

Sikder, S. S. (författare)

Mahmud, Md. Sultan (författare)

(creator_code:org_t)

2008
2008
Engelska.
Ingår i: Journal of the Korean Physical Society. - 0374-4884 .- 1976-8524. ; 53:2, s. 766-771

Abstract Ämnesord

Stäng

The temperature and the field dependences of the magnetization have been measured for Fe73.5-xCrxCu1Nb3Si13.5B9 (0 < ;= x < ;= 17.5) prepared by using a melt spin technique. The temperature dependence of the magnetization in the range of 5 to 300 K with an applied field of I Tesla for all the compositions follows the relaxation M(T) = M-0(1 - BT3/2 - CT5/2), which is indicative of the presence of a spin wave excitation. The saturation magnetizations at 5 and 300 K decrease linearly with Cr concentration for the entire composition range, which indicates that a simple dilution of the Fe moment takes place due to Cr substitution. The field-cooled (FC) and the zero-field-cooled (ZFC) magnetizations measured with an applied field of 1 Oe show divergences for x = 10, 12.5, 15 and 17.5, which may be attributed to the magnetic hardening at low temperatures.

Av författaren/redakt...: Hakim, M. A.; Hoque, S. Maqjur ...; Sikder, S. S.; Mahmud, Md. Sult ...; Nordblad, Per

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