COMMON EFFECT OF RKKY INTERACTION AND KONDO CLOUD PHENOMENON IN FERRO-ANTIFERROMAGNETIC PHASE IN GD BASED INTER-METALLIC COMPOUNDS

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VAEZZADEH M.; YAZDANI A.; KANZEGHI A.

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Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2005 | Volume:15 | Issue:55 (PHYSIC ISSUE) Page(s): 132-143

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Title

COMMON EFFECT OF RKKY INTERACTION AND KONDO CLOUD PHENOMENON IN FERRO-ANTIFERROMAGNETIC PHASE IN GD BASED INTER-METALLIC COMPOUNDS

Author(s)

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

Keywords

KONDO EFFECTQ4

LOCAL MAGNETIC MOMENTQ4

EXCHANGE INTERACTIONQ4

CONDUCTION ELECTRONSQ4

INTERMETALLIC COMPOUNDSQ4

Abstract

In this report we represent results, which we achieved from the measurements of magnetic susceptibility changes and electrical resistivity changes versus temperature for inter-metallic compounds with Gd2AuxAl1-x formula. All of samples have same crystalline structure. For all samples, we witness increase in Curie temperature with increase of x parameter, but X(T) abates. In the measurement of the resistivity for compounds with x = 0.4 value, it was observed as Kondo behavior, we observed a 3% enhancement in T~ 80° K. We can consider this temperature, which illustrates to form a new phase, beginning of appearance of the ferromagnetic phase coexistence as second phase. Admittedly, a virtual band accumulates free electros around Gd ion by 4f layer and system forms a canted configuration. We can attribute this configuration as a competition between two different phenomenons, i.e. RKKY inter-ionic EXCHANGE INTERACTION and Kondo cloud formation.

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APA: Copy

VAEZZADEH, M., YAZDANI, A., & KANZEGHI, A.. (2005). COMMON EFFECT OF RKKY INTERACTION AND KONDO CLOUD PHENOMENON IN FERRO-ANTIFERROMAGNETIC PHASE IN GD BASED INTER-METALLIC COMPOUNDS. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 15(55 (PHYSIC ISSUE)), 132-143. SID. https://sid.ir/paper/70343/en

Vancouver: Copy

VAEZZADEH M., YAZDANI A., KANZEGHI A.. COMMON EFFECT OF RKKY INTERACTION AND KONDO CLOUD PHENOMENON IN FERRO-ANTIFERROMAGNETIC PHASE IN GD BASED INTER-METALLIC COMPOUNDS. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2005;15(55 (PHYSIC ISSUE)):132-143. Available from: https://sid.ir/paper/70343/en

IEEE: Copy

M. VAEZZADEH, A. YAZDANI, and A. KANZEGHI, “COMMON EFFECT OF RKKY INTERACTION AND KONDO CLOUD PHENOMENON IN FERRO-ANTIFERROMAGNETIC PHASE IN GD BASED INTER-METALLIC COMPOUNDS,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 15, no. 55 (PHYSIC ISSUE), pp. 132–143, 2005, [Online]. Available: https://sid.ir/paper/70343/en

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