Title :
Photo-induced modulation of ferroelectric polarization in multiferroic TbMnO3
Author :
Handayani, I.P. ; Mufti, N. ; Nugroho, A.A. ; Tjia, M.O. ; Palstra, T.T.M. ; van Loosdrecht, P.H.M.
Author_Institution :
Zernike Inst. for Adv. Mater., Univ. of Groningen, Groningen, Netherlands
Abstract :
TbMnO3 is a multiferroic material with a complex magnetic structure at low temperature, giving rise to spin ordering induced ferroelectricity. We show that this material exhibits a photo-induced transient current below the ferroelectric transition temperature. The result is interpreted in terms of a photo-induced polarization modulation generating the transient pyroelectric current detected by its associated transient voltage. The experiments demonstrate a relatively simple technique to study the ferroelectric polarization modulation in multiferroic materials..
Keywords :
dielectric polarisation; ferroelectric materials; ferroelectric transitions; ferromagnetic materials; magnetic structure; magnetoelectric effects; multiferroics; photoconductivity; pyroelectricity; terbium compounds; TbMnO3; associated transient voltage; complex magnetic structure; ferroelectric polarization; ferroelectric transition temperature; multiferroic material; photoinduced modulation; photoinduced polarization modulation; photoinduced transient current; spin ordering induced ferroelectricity; transient pyroelectric current; Integrated optics; Materials; Measurement by laser beam; Modulation; Temperature measurement; Transient analysis; Voltage measurement; multiferroics; photo-induced transient voltage; polarization modulation;
Conference_Titel :
Information and Communication Technology (ICoICT), 2013 International Conference of
Conference_Location :
Bandung
Print_ISBN :
978-1-4673-4990-1
DOI :
10.1109/ICoICT.2013.6574600
