Magnetic field induced controllable self-assembly of maghemite nanocrystals: From 3D arrays to 1D nanochains

Abstract A hydrothermal process has been used to synthesize walnut-like maghemite superstructures which can be further self-assembled in a controllable manner into ordered three-dimensional (3D) architectures and one-dimensional (1D) nanochains in the presence of different external magnetic field. The assembly behavior of the maghemite nanoparticles isclosely related to the van der Waals interactions and external-field-induced magnetic dipole interactions. The magnetic properties of these nanostructures are also investigated.

[1]  Litao Sun,et al.  The Shape Anisotropy in the Magnetic Field-Assisted Self-Assembly Chain-like Structure of Magnetite , 2009 .

[2]  Xijiang Han,et al.  Morphology-Controlled Synthesis and Electromagnetic Properties of Porous Fe3O4 Nanostructures from Iron Alkoxide Precursors , 2011 .

[3]  M. Pileni,et al.  Nanoparticles of Cobalt Ferrite: Influence of the Applied Field on the Organization of the Nanocrystals on a Substrate and on Their Magnetic Properties , 2000 .

[4]  Yanwei Ma,et al.  Magnetic-Field-Induced Synthesis of Magnetic γ-Fe2O3 Nanotubes , 2007 .

[5]  L. Bergström,et al.  Shape Induced Symmetry in Self-Assembled Mesocrystals of Iron Oxide Nanocubes , 2011, Nano letters.

[6]  Qianwang Chen,et al.  Formation of one-dimensional nickel wires by chemical reduction of nickel ions under magnetic fields. , 2007, Chemical communications.

[7]  Jian Jiang,et al.  Iron Oxide-Based Nanotube Arrays Derived from Sacrificial Template-Accelerated Hydrolysis: Large-Area Design and Reversible Lithium Storage , 2010 .

[8]  Yueping Fang,et al.  Growth-dissolution-regrowth transitions of Fe3O4 nanoparticles as building blocks for 3D magnetic nanoparticle clusters under hydrothermal conditions. , 2013, Langmuir : the ACS journal of surfaces and colloids.

[9]  Q. Yao,et al.  Formation of Hollow Magnetite Microspheres and Their Evolution into Durian-like Architectures , 2010 .

[10]  Dalva Lúcia Araújo de Faria,et al.  Raman microspectroscopy of some iron oxides and oxyhydroxides , 1997 .

[11]  Xiaochuan Duan,et al.  Ionic liquid-assisted solvothermal synthesis of oriented self-assembled Fe3O4 nanoparticles into monodisperse nanoflakes , 2013 .

[12]  Li Wan,et al.  Self‐Assembled 3D Flowerlike Iron Oxide Nanostructures and Their Application in Water Treatment , 2006 .

[13]  Yueli Liu,et al.  Hematite nanochain networks: Simple synthesis, magnetic properties, and surface wettability , 2008 .

[14]  Y. Qian,et al.  Complex‐Surfactant‐Assisted Hydrothermal Route to Ferromagnetic Nickel Nanobelts , 2003 .

[15]  S. Majetich,et al.  Magnetostatic interactions in magnetic nanoparticle assemblies: energy, time and length scales , 2006 .

[16]  Ling Zhang,et al.  Hierarchically Nanostructured Magnetic Hollow Spheres of Fe3O4 and γ-Fe2O3: Preparation and Potential Application in Drug Delivery , 2008 .

[17]  Taeghwan Hyeon,et al.  Synthesis of highly crystalline and monodisperse maghemite nanocrystallites without a size-selection process. , 2001, Journal of the American Chemical Society.

[18]  S. Kwak,et al.  Assembly of magnetite nanocrystals into spherical mesoporous aggregates with a 3-D wormhole-like pore structure , 2010 .

[19]  Maiyong Zhu,et al.  Synthesis of Porous Fe3O4 Nanospheres and Its Application for the Catalytic Degradation of Xylenol Orange , 2011 .

[20]  R. Cowburn,et al.  Room temperature magnetic quantum cellular automata , 2000, Science.

[21]  Yalin Lu,et al.  Synthesis of Hierarchical Hollow-Structured Single-Crystalline Magnetite (Fe3O4) Microspheres: The Highly Powerful Storage versus Lithium as an Anode for Lithium Ion Batteries , 2012 .

[22]  D. Shindo,et al.  Superstructures of self-assembled cobalt nanocrystals , 2004 .

[23]  F. Caruso,et al.  Magnetic Nanocomposite Particles and Hollow Spheres Constructed by a Sequential Layering Approach , 2001 .

[24]  J. Xiong,et al.  Magnetic-field-induced formation of one-dimensional magnetite nanochains. , 2009, Langmuir : the ACS journal of surfaces and colloids.

[25]  M. Olivo,et al.  Single-crystalline MFe(2)O(4) nanotubes/nanorings synthesized by thermal transformation process for biological applications. , 2009, ACS nano.

[26]  M. Pileni,et al.  Assemblies of Ferrite Nanocrystals: Partial Orientation of the Easy Magnetic Axes , 2001 .

[27]  M. Pileni,et al.  Three dimensional arrays of cobalt nanocrystals: Fabrication and magnetic properties , 2002 .

[28]  Yanlin Song,et al.  Self-Assembly of Uniform Spherical Aggregates of Magnetic Nanoparticles through π-π Interactions. , 2001, Angewandte Chemie.

[29]  Gerald J. Meyer,et al.  Magnetic Alignment of Fluorescent Nanowires , 2001 .

[30]  M. Pileni,et al.  Cigar-shaped ferrite nanocrystals: Orientation of the easy magnetic axes , 2002 .

[31]  Qianwang Chen,et al.  Synthesis and One-Dimensional Self-Assembly of Acicular Nickel Nanocrystallites under Magnetic Fields , 2004 .

[32]  Zhiyong Tang,et al.  Self-assembly of self-limiting monodisperse supraparticles from polydisperse nanoparticles. , 2011, Nature nanotechnology.

[33]  Qianwang Chen,et al.  Magnetic‐Field‐Induced Growth of Single‐Crystalline Fe3O4 Nanowires , 2004 .