Dead layer effect and its elimination in ferroelectric thin film with oxide electrodes - Details

Author：

Yang, Qiong (Yang, Qiong.) | Cao, Juexian (Cao, Juexian.) | Zhou, Yichun (Zhou, Yichun.) | Sun, Lizhong (Sun, Lizhong.) | Lou, Xiaojie (Lou, Xiaojie.) (Scholars：娄晓杰)

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EI Engineering Village

Abstract：

Interfacial　dead　layer　effect　was　thought　to　be　responsible　for　the　critical　thickness　of　ferroelectric　thin　film.　In　this　paper,　we　studied　the　effects　of　the　electrode/ferroelectric　interface　on　the　polarization　properties　of　nano-scale　BaTiO3　ferroelectric　capacitors　by　first-principle　calculation.　This　pinned　domain　with　reversed　polarization　at　the　top　interface　of　ferroelectric　film　acts　as　a　dead　layer　and　reduces　the　total　polarization.　Our　results　show　that　a　LaXO3　(X　=Fe,　Co)　or　YNiO3　(Y　=　Sr,　Ba)　buffer　layer　can　effectively　remove　the　dead　layer　effect　in　BaTiO3　film.　©　2017　ICF　2017　-　14th　International　Conference　on　Fracture.　All　rights　reserved.

Keyword：

Barium titanate Buffer layers Cobalt compounds Electrodes Ferroelectric films Ferroelectricity Ferroelectric thin films Film thickness Iron compounds Lanthanum compounds Nanotechnology Nickel compounds Polarization Strontium compounds Thin films Yttrium compounds

Author Community：

[ 1 ] [Yang, Qiong]Key Laboratory of Key Film Materials and Application for Equipment (Hunan Province), School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan; 411105, China
[ 2 ] [Cao, Juexian]School of Physics and Optoelectronics, Xiangtan University, Xiangtan, Hunan; 411105, China
[ 3 ] [Zhou, Yichun]Key Laboratory of Key Film Materials and Application for Equipment (Hunan Province), School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan; 411105, China
[ 4 ] [Sun, Lizhong]Key Laboratory of Key Film Materials and Application for Equipment (Hunan Province), School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan; 411105, China
[ 5 ] [Lou, Xiaojie]Frontier Institute of Science and Technology, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an; 710049, China

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Source ：

Year： 2017

Volume： 1

Page： 781-782

Language： English

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 3

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