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Abstract
In the present research technology of compositionally graded barium strontium titanate Ba1-xSrxTiO3 thin films deposited on stainless steel substrates by sol-gel spin coating followed with thermal annealing at T = 650°C is reported. Results of thermal behavior of the sol-gel derived powders with compositions used for fabrication of graded structure (i.e. with Sr mole fraction x = 0.5, 0.4 and 0.3) are described. X-ray diffraction studies of the phase composition and crystal structure of such complex thin film configuration are given. It was found that gel powders exhibited a large total weight loss of about Δm ≈ 44-47%. Three stages of weight loss took place at temperature ranges: below T ≈ 300°C, at ΔT ≈ 300-500°C and between T = 600°C and T = 800°C. Phase analysis has shown that the dominating phase is Ba0.67Sr0.33TiO3 compound while the second phase is Ba0.7Sr0.3TiO3 or Ba0.5Sr0.5TiO3 for “up-graded” and “down-graded” structure, respectively.
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Authors (3)
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Julian Plewa
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/amm-2017-0095
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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ARCHIVES OF METALLURGY AND MATERIALS
no. 62,
pages 673 - 678,
ISSN: 1733-3490 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Czekaj D., Lisińska-Czekaj A., Plewa J.: Fabrication and Crystal Structure of Sol-Gel Deposited BST Thin Films with Compositional Gradient// ARCHIVES OF METALLURGY AND MATERIALS -Vol. 62,iss. 2 (2017), s.673-678
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/amm-2017-0095
- Verified by:
- Gdańsk University of Technology
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