Size Distribution of Cobalt Nanocrystals: A Key Parameter in Formation of Columns and Labyrinths in Mesoscopic Structures
Source abstract
Abstract
Columnar or labyrinthine mesostructures of magnetic nanocrystals are obtained by applying a perpendicular magnetic field during evaporation of the nanocrystal solution. The effect of the polydispersity of the nanocrystals is investigated, and the size distribution of the nanocrystals appears to be a key factor in the formation of one particular structure.
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Research context
OpenAlex topics: Theoretical and Computational Physics · Characterization and Applications of Magnetic Nanoparticles · nanoparticles nucleation surface interactions
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References (16)
Show source-provided references
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9. TEM micrographs were obtained using a JEOL 100 CXII at 100 kV.
10. SEM was done with a JMS‐5510LV instrument.
11. The field intensity measured with a magnetometer was 0.25 T.
12. Magnet power supply: Oxford Instruments PS2‐120. Electromagnet: Oxford Instruments N38. The intensity of the magnetic field was variable. We chose 0.46 T and 0.59 T for the experiments.
13. V. Germain M. P. Pileni unpublished.
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