Printed Magnetic FePt Nanocrystal Films

被引：17

作者：

Patel, Reken N. ^{[2
,3
,4
]}

Heitsch, Andrew T. ^{[2
,3
,4
]}

Hyun, Changbae ^{[5
]}

Smilgies, Detlef-M ^{[6
]}

de Lozanne, Alex ^{[5
]}

Loo, Yueh-Lin ^{[1
]}

Korgel, Brian A. ^{[2
,3
,4
]}

机构：

[1] Princeton Univ, Dept Chem Engn, Princeton, NJ 08554 USA

[2] Univ Texas Austin, Dept Chem Engn, Austin, TX 78712 USA

[3] Univ Texas Austin, Ctr Nano & Mol Sci & Technol, Austin, TX 78712 USA

[4] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

[5] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[6] Cornell Univ, Cornell High Energy Synchrotron Source, Ithaca, NY 14853 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2009年 / 1卷 / 06期

基金：

美国国家科学基金会;

关键词：

Langmuir-Blodgett; stamping; magnetic nanocrystals; iron platinum; magnetic force microscopy; magnetic memory; LANGMUIR-BLODGETT-FILMS; SOFT LITHOGRAPHY; NANOPARTICLES; GOLD; ARRAYS; FABRICATION; MONOLAYERS; NANOSTRUCTURES; SUPERLATTICES; STAMP;

D O I：

10.1021/am900237d

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Patterned monolayers and multilayers of FePt nanocrystals were printed onto substrates by first assembling nanocrystals on a Langmuir-Blodgett (LB) trough and then lifting them onto prepatterned polydimethylsiloxane (PDMS) stamps, followed by transfer printing onto the substrate. Patterned features, including micrometer-size circles, lines, and squares, could be printed using this approach. The magnetic properties of the printed nanocrystal films were also measured using magnetic force microscopy (MFM). Room-temperature MFM could detect a remanent (permanent) magnetization from multilayer (>3 nanocrystals thick) films of chemically ordered L1(0) FePt nanocrystals.

引用

页码：1339 / 1346

页数：8

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