Title :
Observation of antiferromagnetic magnons in manganese oxide by THz-TDS
Author :
Kohmoto, T. ; Moriyasu, T. ; Wakabayashi, S.
Author_Institution :
Grad. Sch. of Sci., Kobe Univ., Kobe, Japan
Abstract :
We observed the antiferromagnetic resonance absorption in MnO by terahertz time-domain spectroscopy (THz-TDS). The temperature dependences of the magnon frequency, the relaxation rate, and the magnetostrictive contribution to refractive index are discussed.
Keywords :
antiferromagnetic materials; antiferromagnetic resonance; exchange interactions (electron); magnetoabsorption; magnetostriction; magnons; manganese compounds; refractive index; terahertz wave spectra; MnO; antiferromagnetic magnon frequency; antiferromagnetic resonance absorption; exchange interaction; magnetostrictive contribution; manganese oxide; refractive index; relaxation rate; terahertz time-domain spectroscopy; Absorption; Magnetic resonance; Magnetostriction; Refractive index; Spectroscopy; Temperature dependence;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
