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Abstract
In the present study thin films of MgO – modified Ba0.6Sr0.4TiO3 (BST60/40) solid solution were prepared by the sol-gel-type chemical solution deposition method on stainless steel substrates. A multilayer spin-coating approach was utilized for the Ba0.6Sr0.4TiO3-MgO thin film deposition with subsequent thermal annealing at T=650-750C. Dried BST60/40-MgO gel powders were studied with thermogravimetric and differential thermal analysis to determine their thermochemical properties. X-ray diffraction analysis was utilized for thin film characterization in terms of its phase composition and crystal structure. The influence of y=1, 3 and 5 mol.% MgO doping on nanomechanical properties of BST60/40 thin films was studied with nanoindentation. It was found that BST6040 thin films adopted the tetragonal P4mm (99) structure. The volume of the BST60/40 elementary cell, the average hardness as well as the mean value of the Young modulus decreased with an increase in amount of MgO.
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Authors (3)
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Julian Plewa
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Ciencia & Tecnologia dos Materiais
no. 29,
pages e71 - e75,
ISSN: 0870-8312 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Czekaj D., Lisińska-Czekaj A., Plewa J.: Study of nanomechanical properties of (1-y)BST-yMgO thin films// Ciencia & Tecnologia dos Materiais -Vol. 29,iss. 1 (2017), s.e71-e75
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ctmat.2016.07.017
- Verified by:
- Gdańsk University of Technology
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