Nanopatterned L10-FePt nanoparticles from single-source metallopolymer precursors for potential application in ferromagnetic bit-patterned media magnetic recording
Literature Information
Publication Date
2016-06-01
DOI
10.1039/C6PY00714G
Impact Factor
5.582
Authors
Zhengong Meng, Guijun Li, Sheung-Mei Ng, Hon-Fai Wong, Sze-Chun Yiu, Chi-Wah Leung
View Original
Abstract
Bit-patterned media (BPM) with a precise stoichiometry ratio of Fe and Pt atoms are promising for future high areal density magnetic recording. Here, we report a new FePt-containing metallopolymer P as the single-source precursor for the synthesis of magnetic metal alloy nanoparticles. This polymer was synthesized from a random copolymer poly(styrene-4-ethynylstyrene) PES-PS and the bimetallic precursor TPy-FePt ([Pt(4′-ferrocenyl-(N^N^N))Cl]Cl) by the CuI-catalyzed dehydrohalogenation. After pyrolysis of P, the stoichiometry of Fe and Pt atoms in the synthesized nanoparticles is nearly close to 1 : 1, which is more precise than that by using TPy-FePt as the precursor. Also, polymer P is more suitable for patterning by high-throughput nanoimprint lithography (NIL) compared to TPy-FePt. Ferromagnetic nanolines, potentially useful for fabricating bit-patterned magnetic recording media, were successfully obtained from P and fully characterized.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
(2R,4R)-1-Boc-4-Aminopyrrolidine-2-carboxylic acid
CAS Number:
132622-98-1
Molecular Formula:
C10H18N2O4
![(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-(methylselanyl)butanoic acid structure](https://static.chemtradehub.com/structs/121/1217852-49-7-f252.webp "(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-(methylselanyl)butanoic acid structure")
(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-(methylselanyl)butanoic acid
CAS Number:
1217852-49-7
Molecular Formula:
C20H21NO4Se
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