Evolution of crystalline phases and morphotropic phase boundary of the (Bi,Na)TiO3-(Bi,K)TiO3-BaTiO3 lead-free ceramic system
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- 作者：David Antonio Barbosa Quiroga barbosdavid@df.ufscar.br" class="auth_mail" title="E-mail the corresponding author ; Julio Cesar Camilo Albornoz Diaz jccadun@df.ufscar.br" class="auth_mail" title="E-mail the corresponding author ; Michel Venet venet74@df.ufscar.br" class="auth_mail" title="E-mail the corresponding author ; Ariano De Giovanni Rodrigues ariano@df.ufscar.br" class="auth_mail" title="E-mail the corresponding author ; Odila Florê ; ncio odila@ufscar.br" class="auth_mail" title="E-mail the corresponding author ; Paulo Sergio da Silva Jr. ; psergio@df.ufscar.br" class="auth_mail" title="E-mail the corresponding author
- 关键词：Lead-free ceramics ; Raman spectroscopy ; X-ray diffraction ; Morphotropic phase boundary (MPB) ; BNBK
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：691
- 期：Complete
- 页码：498-503
- 全文大小：1634 K
文摘
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XRD and Raman analysis reveal a single phase for BNBK93, BNBK91 and BNBK93 samples.
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Rietveld refinements showed coexistence of three phases for BNBK88 and BNBK86 samples.
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BNBK88 and BNBK86 samples showed a not previously reported additional P4bm phase.
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Raman analysis confirmed the coexistence of phases for BNBK88 and BNBK86 samples.
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BNBK86 and BNBK88 compositions are located in the MPB region of the BNBK system.
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