Structural, Electrical and Magnetic Investigations of Conductive ZnO: Co Thin Films Deposited by DC Reactive Magnetron Co-Sputtering

Soumia Lardjane; Mohammad Arab Pour Yazdi; Noureddine Fenineche; G. Merad; H.I. Feraoun; Alain Billard

doi:10.4028/www.scientific.net/KEM.543.251

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Structural, Electrical and Magnetic Investigations of Conductive ZnO: Co Thin Films Deposited by DC Reactive Magnetron Co-Sputtering
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 543Structural, Electrical and Magnetic Investigations...

Structural, Electrical and Magnetic Investigations of Conductive ZnO: Co Thin Films Deposited by DC Reactive Magnetron Co-Sputtering

Abstract:

Zn_1-xCo_xO (0 < x < 14.6) diluted magnetic semiconductor coatings have been obtained by reactive DC magnetron sputtering of metallic Zn and Co targets at high pressure and high temperature. The coatings structural properties have been investigated by X-ray diffraction. All as-deposited coatings are crystalized in ZnO structure and neither traces of metallic nor oxide Co-rich clusters were detected in the films. The temperature dependence of the magnetization shows a paramagnetic Curie-Weiss behavior with antiferromagnetic interaction due to the associated spins and simple paramagnetic curie behavior of isolated free spins.

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Periodical:

Key Engineering Materials (Volume 543)

Pages:

251-254

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.543.251

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Online since:

March 2013

Authors:

Soumia Lardjane, Mohammad Arab Pour Yazdi, Noureddine Fenineche, G. Merad, H.I. Feraoun, Alain Billard

Keywords:

Diluted Magnetic Semiconductors, Magnetic Property, Magnetron Sputtering, Spintronics, Thin Film

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