NDLI: L1$_{0}$ FePt Nanoparticles Processing with Applied Magnetic Field

Content Provider	Springer Nature Link
Author	Sebt, S. A. Khajehnezhad, A. Dariani, R. S. Akhavan, M.
Copyright Year	2013
Abstract	Due to the strong magnetic anisotropy energy, the L1$_{0}$ FePt nanocrystals are considered as one of promising candidates for magnetic recording media with ultrahigh densities. The surfaces of Si and SiO$_{2}$ wafers have been covered by FePt nanoparticles (NPs) and heated at 600 °C for 1 h to form the L1$_{0}$ phase. Bonding of NPs with the SiO$_{2}$ surface in the presence of magnetic field during annealing process controls the L1$_{0}$ FePt NPs size and their uniform surface distribution. In the presence of perpendicular magnetic field to the surface, the size of NPs obtains up to 30 nm with coercivity of 5.8 kOe and in parallel magnetic field, the NPs size reaches to 45 nm with coercivity of 2.9 kOe. These results and the easy axis ordering of samples have been determined by energy-dispersive X-ray spectroscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, field emission scanning electron microscopy, X-ray diffraction, and vibrating sample magnetometer analyses.
Starting Page	881
Ending Page	887
Page Count	7
File Format	PDF
ISSN	15741443
Journal	Journal of Inorganic and Organometallic Polymers and Materials
Volume Number	23
Issue Number	4
e-ISSN	15741451
Language	English
Publisher	Springer US
Publisher Date	2013-04-18
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	FePt nanoparticles Surface distribution Particle aggregation Oriented distribution Inorganic Chemistry Organic Chemistry Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Polymers and Plastics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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