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Enhanced Magnetic Properties of Self-Assembled FePt Nanoparticles with MnO Shell
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Section:Abstract
Self-assembled FePt/MnO nanoparticles with different morphology and size were synthesized with a polyol process. With the MnO coating, FePt nanoparticles exhibit a high blocking temperature and magnetic moment. The low-temperature hysteresis loop of FePt nanoparticles can be shifted through the AFM pinning of the MnO shell. The aggregation of FePt nanoparticles during the L10 phase transformation can be significantly decreased by coating with the MnO shell.
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This article has been cited by 13 ACS Journal articles (5 most recent appear below).
Synthesis and Magnetic Properties of FePt@MnO Nano-heteroparticles
Thomas D. Schladt, Tanja Graf, Oskar Köhler, Heiko Bauer, Michael Dietzsch, Jörn Mertins, Robert Branscheid, Ute Kolb, and Wolfgang TremelChemistry of Materials2012 Article ASAPSynthesis and Magnetic Properties of FePt@MnO Nano-heteroparticles
Thomas D. Schladt, Tanja Graf, Oskar Köhler, Heiko Bauer, Michael Dietzsch, Jörn Mertins, Robert Branscheid, Ute Kolb, and Wolfgang TremelChemistry of Materials2012 Article ASAPMonodisperse FePt@MnO nano-heteroparticles with different sizes and morphologies were prepared by a seed-mediated nucleation and growth technique. Both size and morphology of the individual domains could be controlled by adjustment of the synthetic ...
Two-, Three-, and Four-Component Magnetic Multilayer Onion Nanoparticles Based on Iron Oxides and Manganese Oxides
German Salazar-Alvarez, Hans Lidbaum, Alberto López-Ortega, Marta Estrader, Klaus Leifer, Jordi Sort, Santiago Suriñach, Maria Dolors Baró, and Josep NoguésJournal of the American Chemical Society2011 133 (42), 16738-16741Two-, Three-, and Four-Component Magnetic Multilayer Onion Nanoparticles Based on Iron Oxides and Manganese Oxides
German Salazar-Alvarez, Hans Lidbaum, Alberto López-Ortega, Marta Estrader, Klaus Leifer, Jordi Sort, Santiago Suriñach, Maria Dolors Baró, and Josep NoguésJournal of the American Chemical Society2011 133 (42), 16738-16741Magnetic multilayered, onion-like, heterostructured nanoparticles are interesting model systems for studying magnetic exchange coupling phenomena. In this work, we synthesized heterostructured magnetic nanoparticles composed of two, three, or four ...
Enhanced Thermal Stability and Magnetic Properties in NaCl-Type FePt–MnO Binary Nanocrystal Superlattices
Angang Dong, Jun Chen, Xingchen Ye, James M. Kikkawa, and Christopher B. MurrayJournal of the American Chemical Society2011 133 (34), 13296-13299Enhanced Thermal Stability and Magnetic Properties in NaCl-Type FePt–MnO Binary Nanocrystal Superlattices
Angang Dong, Jun Chen, Xingchen Ye, James M. Kikkawa, and Christopher B. MurrayJournal of the American Chemical Society2011 133 (34), 13296-13299We report the growth of NaCl-type binary nanocrystal (NC) superlattice membranes by coassembly of FePt and MnO NCs at the liquid–air interface. The constituent FePt NCs were converted into the hard magnetic L10 phase by thermal annealing at 650 °C without ...
Magnetic Nanoparticle Assembly on Surfaces Using Click Chemistry
Sachin Kinge, Tian Gang, Wouter J. M. Naber, Wilfred G. van der Wiel, and David N. ReinhoudtLangmuir2011 27 (2), 570-574Magnetic Nanoparticle Assembly on Surfaces Using Click Chemistry
Sachin Kinge, Tian Gang, Wouter J. M. Naber, Wilfred G. van der Wiel, and David N. ReinhoudtLangmuir2011 27 (2), 570-574Controlled assembly of ferromagnetic nanoparticles on surfaces is of crucial importance for a range of spintronic and data storage applications. Here, we present a novel method for assembling monolayers of ferromagnetic FePt nanoparticles on silicon oxide ...
Collective Dipolar Interactions in Self-Assembled Magnetic Binary Nanocrystal Superlattice Membranes
Jun Chen, Angang Dong, Jing Cai, Xingchen Ye, Yijin Kang, James M. Kikkawa, and Christopher B. MurrayNano Letters2010 10 (12), 5103-5108Collective Dipolar Interactions in Self-Assembled Magnetic Binary Nanocrystal Superlattice Membranes
Jun Chen, Angang Dong, Jing Cai, Xingchen Ye, Yijin Kang, James M. Kikkawa, and Christopher B. MurrayNano Letters2010 10 (12), 5103-5108Co-assembly of two types of nanocrystals (NCs) into binary NC superlattices (BNSLs) provides a solution-based, inexpensive way to create novel metamaterials with rationally designed properties. The fundamental challenge is to probe and understand the ...
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- Published In Issue February 01, 2006
- Received October 27, 2005
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