Structural and surface morphology studies of La0.67Ba 0.33(Mn1 xAlx)O3 thin films prepared by sol-gel method

Huda Abdullah, M. S. Zulfakar

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Abstract

Nanocrystalline thin films of La0.67Ba0.33( Mn 1 xAlx)O3 (x = 0.00,0.05,0.10, and 0.15) were prepared by sol-gel method, as a starter material consisting of La 2O3, BaNO3, Mn(NO3), and Al(NO 3). The molarities of La2O3 and BaNO 3 are constant, while molarities of Mn(NO3) and Al(NO 3) were calculated based on stoichiometric theory. Thin films were deposited on quartz glass substrate by using spin coating technique and sintered at 700°C. X-ray diffractometer (XRD) patterns showed that these thin films consist of pure La0.67Ba0.33( Mn1 xAl x)O3 phase where the most prominent peak is observed at (104). All the samples display a rhombohedral structure. Scanning electron microscopy (SEM) showed that aggregation of small particles occurred more in doped films than in undoped films. The surface morphology has been studied by using AFM, and the roughness of thin films was analyzed.

Original languageEnglish
Article number412741
JournalJournal of Nanomaterials
Volume2013
DOIs
Publication statusPublished - 2013

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Sol-gel process
Surface morphology
Thin films
Quartz
Starters
Coating techniques
Diffractometers
Spin coating
Agglomeration
Surface roughness
X rays
Glass
Scanning electron microscopy
Substrates

ASJC Scopus subject areas

  • Materials Science(all)

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Structural and surface morphology studies of La0.67Ba 0.33(Mn1 xAlx)O3 thin films prepared by sol-gel method. / Abdullah, Huda; Zulfakar, M. S.

In: Journal of Nanomaterials, Vol. 2013, 412741, 2013.

Research output: Contribution to journalArticle

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