Characterization of nanostructured Nd-doped TiO2 thin film synthesized by spray pyrolysis method: Structural, optical and magneto-optical properties

Mojtaba Mohammadi; Nasser Shahtahmasebi; Masoud Karimipour; and Reza Sarhaddi

doi:10.17485/ijst/2012/v5i6.9

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Characterization of nanostructured Nd-doped TiO2 thin film synthesized by spray pyrolysis method: Structural, optical and magneto-optical properties

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2012/v5i6.9

Year: 2012, Volume: 5, Issue: 6, Pages: 1-4

Original Article

Characterization of nanostructured Nd-doped TiO2 thin film synthesized by spray pyrolysis method: Structural, optical and magneto-optical properties

Mojtaba Mohammadi^{1, 2,} Nasser Shahtahmasebi¹, Masoud Karimipour^{1, 3} and Reza Sarhaddi^4*

¹ Nano research lab, Ferdowsi University of Mashhad,
²Angstrom thin film research lab
³ Department of Physics, Vali-E-Asr University of Rafsanjan,
^4*Physics Department, Faculty of Science, [email protected]
[email protected]
*Author For Correspondence
Reza Sarhaddi
Physics Department, Faculty of Science,
Email:[email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Neodymium doped titanium oxide thin films with mole ratio Nd/Ti = 0, 6, 10, 15, 20, 25% were deposited on glass substrate by spray pyrolysis technique. The structural properties, surface morphology and absorption spectra of thin films have been obtained using X-ray diffraction (XRD), scanning electron microscope (SEM) and UV-Vis spectrophotometer, respectively. The XRD patterns show formation of unique phases of brookite, orthorhombic, hexagonal. Thin films were amorphous for 25% dopant. The optical band gap has been increased with increasing of dopant. The presence of Nd in the TiO2 lattice causes a weak ferro-magnetism in the thin films at room temperature.
Keywords: Titanium oxide, Photo catalyst, Brookite, Room temperature ferromagnetism, Spray pyrolysis.