Magnetic interactions in compositionally modulated nanowire arrays.
| Title: | Magnetic interactions in compositionally modulated nanowire arrays. |
|---|---|
| Authors: | Ester M Palmero1 epalmero@icmm.csic.es, Fanny Béron2, Cristina Bran1, Rafael P del Real1, Manuel Vázquez1 |
| Source: | Nanotechnology. 10/28/2016, Vol. 27 Issue 43, p1-1. 1p. |
| Subject Terms: | *NANOWIRES, *ELECTROPLATING, *ALUMINUM oxide, *FERROMAGNETIC materials, *MAGNETOSTATICS, *ANISOTROPY, DESIGN & construction |
| Abstract: | Series of high hexagonally ordered compositionally modulated nanowire arrays, with different Cu layer and FeCoCu segment thicknesses and a constant diameter of 35 nm, were fabricated by electroplating from a single electrolytic bath into anodic aluminum oxide membranes. The objective of the study was to determine the influence of ferromagnetic (FM) segment and non-ferromagnetic (NFM) layer thickness on the magnetic properties, particularly coercivity and magnetic interactions. First-order reversal curve (FORC) measurements and simulations were performed to quantify the effect of the inter-/intra-nanowire magnetostatic interactions on the coercivity and interaction field distributions. The FORC coercivity increases for a thick NFM layer and long FM segments due to decoupling of the the FM segments and the increased shape anisotropy, respectively. On the other hand, the interaction field presents a parallel strong reduction for a thick NFM layer and thin FM segments, which is ascribed to a similar NFM/FM thickness ratio and degree of FM segment decoupling along the nanowire. [ABSTRACT FROM AUTHOR] |
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| Items | – Name: Title Label: Title Group: Ti Data: Magnetic interactions in compositionally modulated nanowire arrays. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Ester+M+Palmero%22">Ester M Palmero</searchLink><relatesTo>1</relatesTo><i> epalmero@icmm.csic.es</i><br /><searchLink fieldCode="AR" term="%22Fanny+Béron%22">Fanny Béron</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Cristina+Bran%22">Cristina Bran</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Rafael+P+del+Real%22">Rafael P del Real</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Manuel+Vázquez%22">Manuel Vázquez</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Nanotechnology%22">Nanotechnology</searchLink>. 10/28/2016, Vol. 27 Issue 43, p1-1. 1p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22NANOWIRES%22">NANOWIRES</searchLink><br />*<searchLink fieldCode="DE" term="%22ELECTROPLATING%22">ELECTROPLATING</searchLink><br />*<searchLink fieldCode="DE" term="%22ALUMINUM+oxide%22">ALUMINUM oxide</searchLink><br />*<searchLink fieldCode="DE" term="%22FERROMAGNETIC+materials%22">FERROMAGNETIC materials</searchLink><br />*<searchLink fieldCode="DE" term="%22MAGNETOSTATICS%22">MAGNETOSTATICS</searchLink><br />*<searchLink fieldCode="DE" term="%22ANISOTROPY%22">ANISOTROPY</searchLink><br /><searchLink fieldCode="DE" term="%22DESIGN+%26+construction%22">DESIGN & construction</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Series of high hexagonally ordered compositionally modulated nanowire arrays, with different Cu layer and FeCoCu segment thicknesses and a constant diameter of 35 nm, were fabricated by electroplating from a single electrolytic bath into anodic aluminum oxide membranes. The objective of the study was to determine the influence of ferromagnetic (FM) segment and non-ferromagnetic (NFM) layer thickness on the magnetic properties, particularly coercivity and magnetic interactions. First-order reversal curve (FORC) measurements and simulations were performed to quantify the effect of the inter-/intra-nanowire magnetostatic interactions on the coercivity and interaction field distributions. The FORC coercivity increases for a thick NFM layer and long FM segments due to decoupling of the the FM segments and the increased shape anisotropy, respectively. On the other hand, the interaction field presents a parallel strong reduction for a thick NFM layer and thin FM segments, which is ascribed to a similar NFM/FM thickness ratio and degree of FM segment decoupling along the nanowire. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Nanotechnology is the property of IOP Publishing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1088/0957-4484/27/43/435705 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 1 StartPage: 1 Subjects: – SubjectFull: NANOWIRES Type: general – SubjectFull: ELECTROPLATING Type: general – SubjectFull: ALUMINUM oxide Type: general – SubjectFull: FERROMAGNETIC materials Type: general – SubjectFull: MAGNETOSTATICS Type: general – SubjectFull: ANISOTROPY Type: general – SubjectFull: DESIGN & construction Type: general Titles: – TitleFull: Magnetic interactions in compositionally modulated nanowire arrays. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Ester M Palmero – PersonEntity: Name: NameFull: Fanny Béron – PersonEntity: Name: NameFull: Cristina Bran – PersonEntity: Name: NameFull: Rafael P del Real – PersonEntity: Name: NameFull: Manuel Vázquez IsPartOfRelationships: – BibEntity: Dates: – D: 28 M: 10 Text: 10/28/2016 Type: published Y: 2016 Identifiers: – Type: issn-print Value: 09574484 Numbering: – Type: volume Value: 27 – Type: issue Value: 43 Titles: – TitleFull: Nanotechnology Type: main |
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