Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Magnetically tunable optical absorbance in a colloidal system.

M Adrian1, L E Helseth

  • 1Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|March 21, 2008
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Cross-tolerance as an ecological paradox: a hypothesis-driven systematic review of Leersia hexandra as both remediator and pathogen reservoir.

Oecologia·2026
Same author

Transcriptome dataset of leaves treated with different spectra of light-emitting diodes on <i>Sandoricum koetjape</i> Merr. seedlings using cDNA-PCR sequencing with Oxford nanopore technologies.

Data in brief·2025
Same author

Influence of Surface-Active Molecules in Solution on Charge Transfer Due to a Water-Air Contact Line Moving over a Hydrophobic Surface.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Strawberry plant growth enhancement: Effects of artificial light and methyl jasmonate-salicylic acid treatments on physiology and metabolism.

Heliyon·2025
Same author

Transcriptome dataset from Solanum lycopersicum L. cv. Micro-Tom; wild type and two mutants of INDOLE-ACETIC-ACID (SlIAA9) using long-reads sequencing oxford nanopore technologies.

BMC research notes·2023
Same author

Wetting of porous thin films exhibiting large contact angles.

The Journal of chemical physics·2023
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Researchers developed a magnetically controlled optical sensor using colloidal structures. A small magnetic field significantly altered the sensor's reflection, demonstrating potential for tunable optical devices.

Area of Science:

  • Physics
  • Materials Science
  • Nanotechnology

Background:

  • Colloidal structures exhibit unique optical properties.
  • Magnetic fields can influence the arrangement of magnetic colloids.
  • Optical sensors are crucial for various sensing applications.

Purpose of the Study:

  • To investigate optical absorbance in magnetically arranged colloidal structures.
  • To explore the feasibility of creating a magnetically controlled optical sensor.
  • To analyze the effect of magnetic fields on colloidal arrangement and optical properties.

Main Methods:

  • Fabrication of magnetically responsive colloidal structures.
  • Application of external magnetic fields to induce chain formation.
  • Measurement of optical absorbance and reflection coefficients.

Related Experiment Videos

  • Analysis of colloidal relaxation dynamics upon field removal.

    • Main Results:

    • Colloidal particles form ordered chains under an external magnetic field.
    • The sensor's reflection coefficient changed by over 30% with a small magnetic field.
    • Detailed investigation of the relaxation mechanism and timescale when the magnetic field is removed.

    Conclusions:

    • Magnetically arranged colloidal structures can be utilized for optical sensing.
    • Tunable optical properties can be achieved by controlling colloidal arrangement with magnetic fields.
    • This system shows promise for developing novel magnetically controlled optical devices.