High temperature anisotropy of NdFeO3 determined using time-domain THz spectroscopy
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Institute of Electrical and Electronics Engineers (IEEE)
Abstract
The temperature dependent anisotropic fields along two principal crystallographic axes (Ax and Az) is calculated for the canted antiferromagnet neodymium iron oxide in the temperature range 300 - 470 K. The calculation is performed using the experimentally determined temperature dispersion of two orthogonal antiferromagnetic magnons, obtained via time-domain terahertz spectroscopy. The experiment demonstrates the potential use of THz spectroscopy for characterising magnetic materials and offers a complementary technique to traditional neutron and magnetic methods. © 2013 IEEE.
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Constable, E., Horvat, J., Cortie, D. L., Cheng, Z., Yuan, S., Cao, S., & Lewis, R. A. (2013). High temperature anisotropy of NdFeO3 determined using time-domain THz spectroscopy. Paper presented to the 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2013), 1-6 September 2013, Mainz, Germany. In 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). doi:10.1109/IRMMW-THz.2013.6665932