Terahertz isotropic photonic magnetoresistance

C. A. Baron; K. J. Chau; A. Y. Elezzabi

doi:10.1117/12.697488

8 February 2007 Terahertz isotropic photonic magnetoresistance

C. A. Baron, K. J. Chau, A. Y. Elezzabi

Proceedings Volume 6471, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XI and Semiconductor Photodetectors IV; 64710N (2007) https://doi.org/10.1117/12.697488
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

Ferromagnetic particle collections typically possess anisotropic terahertz (THz) transmission properties that are sensitive to the orientation of an applied external magnetic field. Here, we show that the particle surface morphology can have a large and dominant effect on the magnetic field orientation dependence of the THz transmission. In particular, the THz transmission through highly porous ferromagnetic Ni particles shows isotropic dependence on the external magnetic field orientation. This isotropic magnetic phenomenon suggests the possibility of innovative photonic materials with tailored magnetic properties.

Citation Download Citation

C. A. Baron, K. J. Chau, and A. Y. Elezzabi "Terahertz isotropic photonic magnetoresistance", Proc. SPIE 6471, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XI and Semiconductor Photodetectors IV, 64710N (8 February 2007); https://doi.org/10.1117/12.697488

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