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

doi:10.1063/1.3475770

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 tidsskrift › Letter › Forskning › peer 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.

Originalsprog	Engelsk
Tidsskrift	Applied Physics Letters
Vol/bind	97
Udgave nummer	10
Antal sider	3
ISSN	0003-6951
DOI	https://doi.org/10.1063/1.3475770
Status	Udgivet - 2010

Bibliografisk note

Artikel nr. 103103

Citer dette

Gajula, G. P., Neves Petersen, T., & Petersen, S. B. (2010). Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles. Applied Physics Letters, 97(10). https://doi.org/10.1063/1.3475770

Gajula, Gnana Prakash ; Neves Petersen, Teresa ; Petersen, Steffen B. / Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles. I: Applied Physics Letters. 2010 ; Bind 97, Nr. 10.

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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.}",

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Gajula, GP, Neves Petersen, T & Petersen, SB 2010, 'Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles', Applied Physics Letters, bind 97, nr. 10. https://doi.org/10.1063/1.3475770

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 tidsskrift › Letter › Forskning › peer 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 -

Gajula GP, Neves Petersen T, Petersen SB. Visualization and quantification of four steps in magnetic field induced two-dimensional ordering of superparamagnetic submicron particles. Applied Physics Letters. 2010;97(10). https://doi.org/10.1063/1.3475770

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10.1063/1.3475770