Document Detail


Effect of the Pt buffer layer on perpendicular exchange bias based on collinear/non-collinear coupling in a Cr2O3/Co3Pt interface.
MedLine Citation:
PMID:  23633724     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In this study, we fabricated a Cr2O3 (0001) film without and with a Pt buffer layer and investigated its effect on perpendicular exchange coupling in a Cr2O3/Co3Pt interface. The results showed that the exchange bias field (μ0Hex) and blocking temperature (TB) of a Cr2O3 film without and with Pt were very different. The Cr2O3 film without Pt had a lower μ0Hex of 176 Oe and a lower TB of 75 K, whereas that with Pt had a higher μ0Hex of 436 Oe and a higher TB of 150 K. We discussed this difference in μ0Hex and TB values based on collinear/non-collinear coupling in a ferromagnetic and antiferromagnetic interface using Meiklejohn and Bean's exchange anisotropy model.
Authors:
T Ashida; Y Sato; T Nozaki; M Sahashi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-3-29
Journal Detail:
Title:  Journal of applied physics     Volume:  113     ISSN:  0021-8979     ISO Abbreviation:  J Appl Phys     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-5-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985119R     Medline TA:  J Appl Phys     Country:  -    
Other Details:
Languages:  ENG     Pagination:  17D711     Citation Subset:  -    
Affiliation:
Department of Electronic Engineering, Tohoku University, Sendai 980-8579, Japan.
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