Loycal atomic and electronic structures and ferroelectric properties of PbZr0.52Ti0.48O3: An x-ray absorption study

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Title:	Loycal atomic and electronic structures and ferroelectric properties of PbZr_0.52Ti_0.48O₃: An x-ray absorption study
Authors:	Ray, S.C.;Hsueh, H.C.;Wu, C.H.;Pao, C.W.;Asokan, K.;Liu, M.T.;Tsai, H.M.;Chuang, C.H.;Pong, W.F.;Chiou, J.W.;Tsai, M.-H.;Lee, J.M.;Jang, L.Y.;Chen, J.M.;Lee, J.-F.
Contributors:	淡江大學物理學系
Date:	2011-07
Issue Date:	2014-01-10 09:09:32 (UTC+8)
Publisher:	College Park: American Institute of Physics
Abstract:	This work investigates local atomic and electronic structures of PbZr0.52Ti0.48O3 (PZT) thin films with ＜001＞, ＜101＞, and ＜111＞ orientations using extended x-ray absorption fine structure (EXAFS) and x-ray absorption near-edge structure (XANES) spectroscopy with θ = 0° and 70° incident angles. The EXAFS result indicates that the ＜001＞-oriented PZT film has a polarization dominantly along the c -axis, while both ＜101＞- and ＜111＞-oriented PZT films have a dominant in- ab -plane polarization. The hysteresis-loop measurements show that the ＜001＞-oriented PZT film has a much larger coercive field than those of other two PZT films, which indicates that the double-well potential along the c -axis is much deeper than that in the ab -plane.
Relation:	Applied Physics Letters 99(4), 042909(3pages)
DOI:	10.1063/1.3607475
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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