KONDO EFFECT WITH VOLUME CHANGE IN CRITICAL POINT FOR ISOSTRUCTURAL GD2AUXAIT-XINTERMETTALIC COMPOUND

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VAEZZADEH M.; YAZDANI A.; KANZEGHI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: Iranian Journal of Crystallography and Mineralogy Year:2006 | Volume:13 | Issue:2 Page(s): 323-328

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Title

KONDO EFFECT WITH VOLUME CHANGE IN CRITICAL POINT FOR ISOSTRUCTURAL GD2AUXAIT-XINTERMETTALIC COMPOUND

Author(s)

VAEZZADEH M. | YAZDANI A. | KANZEGHI A. | Issue Writer Certificate

Keywords

KONDO EFFECTQ4

LOCAL MAGNETIC MOMENTQ4

EXCHANGE INTERACTIONQ4

CONDUCTION ELECTRONSQ4

LNTERMETALLIC COMPOUNDSQ4

VIGARD'S RULEQ4

Abstract

Abstract: In this paper, results from X-ray diffraction and the variation of electric resistance versus temperature of Gd3AuxAl1-x intermetallic compound are reported. All samples formed in orthorhombic crystalline structure with Pnma space group. In measuring the lattice parameters by X-ray diffraction method, deviation from Vegard's rule has been seen. This deviation at x = 0.4 maximizes. In addition, an abrupt volume change equal to 6% occurs at the critical point x = 0.4. For all samples, by increasing the x-parameter, we have seen increasing in the Curie temperature Tc. Magnetic susceptibility Х(T) is increased versus x-parameter, too. The results of electric resistance measuring in sample with critical value (x = 0.4) shows a behavior like KONDO EFFECT which is not observed in other samples. For compounds based on Gd, this undesirable behavior could be related to 4f sublevel which it concentrates free electrons around Gd ion.

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APA: Copy

VAEZZADEH, M., YAZDANI, A., & KANZEGHI, A.. (2006). KONDO EFFECT WITH VOLUME CHANGE IN CRITICAL POINT FOR ISOSTRUCTURAL GD2AUXAIT-XINTERMETTALIC COMPOUND. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 13(2), 323-328. SID. https://sid.ir/paper/4219/en

Vancouver: Copy

VAEZZADEH M., YAZDANI A., KANZEGHI A.. KONDO EFFECT WITH VOLUME CHANGE IN CRITICAL POINT FOR ISOSTRUCTURAL GD2AUXAIT-XINTERMETTALIC COMPOUND. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2006;13(2):323-328. Available from: https://sid.ir/paper/4219/en

IEEE: Copy

M. VAEZZADEH, A. YAZDANI, and A. KANZEGHI, “KONDO EFFECT WITH VOLUME CHANGE IN CRITICAL POINT FOR ISOSTRUCTURAL GD2AUXAIT-XINTERMETTALIC COMPOUND,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 13, no. 2, pp. 323–328, 2006, [Online]. Available: https://sid.ir/paper/4219/en

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