Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique

Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique

(Ba0.85Sr0.15)(Ti0.9Zr0.1)O3 (BSZT) lead-free ferroelectric thin films at the vicinity of the morphotropic phase boundary (MPB) were successfully deposited on Pt/Ti/SiO2/Si using a modified spin-coated sol-gel method. Microstructure and electrical properties of the thin film were studied. High resol...

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Main Authors: Pham, Thi Nguyet, Nguyen, Thi Minh Phuong, Vu, Thu Hien, Vu, Ngoc Hung
Format: Article
Language:English
Published: H. : ĐHQGHN 2019
Subjects:
xBST-(1-x)BZT ferroelectric materials
Thin film technology
Sol-gel
Online Access:http://repository.vnu.edu.vn/handle/VNU_123/64487
https//doi.org/ 10.25073/2588-1124/vnumap.4316
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Institution: Vietnam National University, Hanoi
Language: English
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spelling oai:112.137.131.14:VNU_123-644872019-05-02T08:59:17Z Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique Pham, Thi Nguyet Nguyen, Thi Minh Phuong Vu, Thu Hien Vu, Ngoc Hung xBST-(1-x)BZT ferroelectric materials Thin film technology Sol-gel (Ba0.85Sr0.15)(Ti0.9Zr0.1)O3 (BSZT) lead-free ferroelectric thin films at the vicinity of the morphotropic phase boundary (MPB) were successfully deposited on Pt/Ti/SiO2/Si using a modified spin-coated sol-gel method. Microstructure and electrical properties of the thin film were studied. High resolution synchrotron X–ray powder diffraction (SXRD) combined with Rietveld refinement revealed that the samples were crystalized in tetragonal perovskite structure with in-plane symmetry (c < a). Raman spectra also confirmed a tetragonal perovskite crystalline lattice structure. Polarisation studies demonstrate that BSZT films exhibit a rather high saturation polarisation of 22.25 µC.cm−2. Leakage current behaviour was obtained and possible conduction mechanism is discussed 2019-05-02T08:59:17Z 2019-05-02T08:59:17Z 2019 Article Pham, T. N., et al. (2019). Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique. VNU Journal of Science: Mathematics – Physics, Vol. 35, No. 1 (2019) 55-61 2588-1124 http://repository.vnu.edu.vn/handle/VNU_123/64487 https//doi.org/ 10.25073/2588-1124/vnumap.4316 en VNU Journal of Science: Mathematics – Physics; application/pdf H. : ĐHQGHN
institution Vietnam National University, Hanoi
building VNU Library & Information Center
country Vietnam
collection VNU Digital Repository
language English
topic xBST-(1-x)BZT ferroelectric materials
Thin film technology
Sol-gel
spellingShingle xBST-(1-x)BZT ferroelectric materials
Thin film technology
Sol-gel
Pham, Thi Nguyet
Nguyen, Thi Minh Phuong
Vu, Thu Hien
Vu, Ngoc Hung
Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique
description (Ba0.85Sr0.15)(Ti0.9Zr0.1)O3 (BSZT) lead-free ferroelectric thin films at the vicinity of the morphotropic phase boundary (MPB) were successfully deposited on Pt/Ti/SiO2/Si using a modified spin-coated sol-gel method. Microstructure and electrical properties of the thin film were studied. High resolution synchrotron X–ray powder diffraction (SXRD) combined with Rietveld refinement revealed that the samples were crystalized in tetragonal perovskite structure with in-plane symmetry (c < a). Raman spectra also confirmed a tetragonal perovskite crystalline lattice structure. Polarisation studies demonstrate that BSZT films exhibit a rather high saturation polarisation of 22.25 µC.cm−2. Leakage current behaviour was obtained and possible conduction mechanism is discussed
format Article
author Pham, Thi Nguyet
Nguyen, Thi Minh Phuong
Vu, Thu Hien
Vu, Ngoc Hung
author_facet Pham, Thi Nguyet
Nguyen, Thi Minh Phuong
Vu, Thu Hien
Vu, Ngoc Hung
author_sort Pham, Thi Nguyet
title Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique
title_short Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique
title_full Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique
title_fullStr Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique
title_full_unstemmed Preparation and Microstructure of Acetate-based Lead-free BSZT Ferroelectric Thin Films Using Sol-gel Technique
title_sort preparation and microstructure of acetate-based lead-free bszt ferroelectric thin films using sol-gel technique
publisher H. : ĐHQGHN
publishDate 2019
url http://repository.vnu.edu.vn/handle/VNU_123/64487
https//doi.org/ 10.25073/2588-1124/vnumap.4316
_version_ 1680963049930883072

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