Title
Synthesis and magnetic behavior of nanostructured ferrites for spintronics
Date Issued
01 March 2005
Access level
metadata only access
Resource Type
conference paper
Author(s)
University of Puerto Rico
Publisher(s)
Elsevier
Abstract
Zinc oxide based material systems are considered as promising candidate for spintronic devices if it could be coupled in heterostructure with a suitable ferromagnetic material. We synthesized Zn, Mn and Co substituted iron oxide powders and thin films using solution-based approaches. Structural properties of these materials were studied by X-ray diffraction, FT-IR and closed cycle SQUID for magnetic characterization. These studies indicates that Zn 1-xCoxFe2O4, Mn0.5Zn 0.5Fe2O4 and CoFe2O4 exhibited ferrimagnetic and superparamagnetic behavior, respectively, at room temperature. Superparamagnetic behavior in Mn0.5Zn 0.5Fe2O4 and CoFe2O4 is attributed to the extremely small crystal size. © 2005 Elsevier Ltd. All rights reserved.
Start page
475
End page
479
Volume
36
Issue
June 3
Language
English
OCDE Knowledge area
Nano-tecnología
Subjects
Scopus EID
2-s2.0-33644507098
Source
Microelectronics Journal
ISSN of the container
00262692
Conference
Low Dimensional Structures and Devices Conference LDSD2004 Conference
Sponsor(s)
This work supported in part by NSF through the PREM proposal ‘functional and nanostructured materials at University of Puerto Rico, Mayagüez, and DoD-AFOSR grant No. 49620-01-1-0454, NSF-MRI 03020534 and NSF-EPSCoR start-up funds (OPP).
Sources of information:
Directorio de Producción Científica
Scopus