Title

High temperature anisotropy of NdFeO3 determined using time-domain THz spectroscopy

RIS ID

87961

Publication Details

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. 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (pp. 1-2). Germany: The Institute of Electrical and Electronics Engineers Inc.

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.

Grant Number

ARC/LE0882347

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Link to publisher version (DOI)

http://dx.doi.org/10.1109/IRMMW-THz.2013.6665932