Title :
Low energy excitations in half-doped manganite Eu0.5Sr0.5MnO3
Author :
Awari, Nilesh ; Pandey, Parul ; Rana, Rakesh ; Singh, Abhishek ; Prabhu, S.S. ; Rana, D.S.
Author_Institution :
Tata Inst. of Fundamental Res., Mumbai, India
Abstract :
We have explored the low-energy dynamics in the half-doped Eu0.5Sr0.5MnO3 using terahertz time domain (TDS) spectroscopy. Observation of a finite frequency peak structure in optical conductivity at around ~4meV suggests low-energy excitation, presumably the charge-density waves.
Keywords :
charge density waves; europium compounds; excited states; optical conductivity; strontium compounds; terahertz spectroscopy; terahertz wave spectra; Eu0.5Sr0.5MnO3; charge density waves; finite frequency peak structure observation; half-doped manganite; low energy excitations; low-energy dynamics; optical conductivity; terahertz TDS; terahertz time domain spectroscopy; Compounds; Conductivity; Dielectric constant; Magnetic domains; Optical films; Temperature distribution; Time domain analysis;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on
Conference_Location :
Houston, TX
Print_ISBN :
978-1-4577-0510-6
Electronic_ISBN :
2162-2027
DOI :
10.1109/irmmw-THz.2011.6104873
