Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles

Gnana Prakash Gajula, Teresa Neves Petersen, Steffen B. Petersen

Publikation: Bidrag til tidsskriftLetterForskningpeer review

12 Citationer (Scopus)

Resumé

We hereby report a methodology that permits a quantitative investigation of the temporal self-organization of superparamagnetic nanoparticles in the presence of an external magnetic field. The kinetics of field-induced self-organization into linear chains, time-dependent chain-size distribution, resolved growth steps (condensation, polarization, co-linearity and concatenation), the average chain growth rate, and inter-particle interaction length were calculated in the presence of a 120 G external magnetic field using optical microscopy and ‘in-house' developed image analysis software. The measurements are in good agreement with theoretical assumptions.
OriginalsprogEngelsk
TidsskriftApplied Physics Letters
Vol/bind97
Udgave nummer10
Antal sider3
ISSN0003-6951
DOI
StatusUdgivet - 2010

Bibliografisk note

Artikel nr. 103103

Citer dette

@article{8bd8356037f211dfb167000ea68e967b,
title = "Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles",
abstract = "We hereby report a methodology that permits a quantitative investigation of the temporal self-organization of superparamagnetic nanoparticles in the presence of an external magnetic field. The kinetics of field-induced self-organization into linear chains, time-dependent chain-size distribution, resolved growth steps (condensation, polarization, co-linearity and concatenation), the average chain growth rate, and inter-particle interaction length were calculated in the presence of a 120 G external magnetic field using optical microscopy and ‘in-house' developed image analysis software. The measurements are in good agreement with theoretical assumptions.",
author = "Gajula, {Gnana Prakash} and {Neves Petersen}, Teresa and Petersen, {Steffen B.}",
note = "Artikel nr. 103103",
year = "2010",
doi = "10.1063/1.3475770",
language = "English",
volume = "97",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics",
number = "10",

}

Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles. / Gajula, Gnana Prakash; Neves Petersen, Teresa; Petersen, Steffen B.

I: Applied Physics Letters, Bind 97, Nr. 10, 2010.

Publikation: Bidrag til tidsskriftLetterForskningpeer review

TY - JOUR

T1 - Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles

AU - Gajula, Gnana Prakash

AU - Neves Petersen, Teresa

AU - Petersen, Steffen B.

N1 - Artikel nr. 103103

PY - 2010

Y1 - 2010

N2 - We hereby report a methodology that permits a quantitative investigation of the temporal self-organization of superparamagnetic nanoparticles in the presence of an external magnetic field. The kinetics of field-induced self-organization into linear chains, time-dependent chain-size distribution, resolved growth steps (condensation, polarization, co-linearity and concatenation), the average chain growth rate, and inter-particle interaction length were calculated in the presence of a 120 G external magnetic field using optical microscopy and ‘in-house' developed image analysis software. The measurements are in good agreement with theoretical assumptions.

AB - We hereby report a methodology that permits a quantitative investigation of the temporal self-organization of superparamagnetic nanoparticles in the presence of an external magnetic field. The kinetics of field-induced self-organization into linear chains, time-dependent chain-size distribution, resolved growth steps (condensation, polarization, co-linearity and concatenation), the average chain growth rate, and inter-particle interaction length were calculated in the presence of a 120 G external magnetic field using optical microscopy and ‘in-house' developed image analysis software. The measurements are in good agreement with theoretical assumptions.

U2 - 10.1063/1.3475770

DO - 10.1063/1.3475770

M3 - Letter

VL - 97

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 10

ER -