Effect of Different Parameters on Raman Scattering Released from Nb2O5 Nanostructures Prepared via PLD Technique

Salim, Evan T.; Shafeeq, Suhair R.; AbdulRazzaq, Mohammed Jalal; Wahid, Mohammed H. A.

doi:10.30684/etj.2022.134436.1238

	Effect of Different Parameters on Raman Scattering Released from Nb2O5 Nanostructures Prepared via PLD Technique
Engineering and Technology Journal
Article 6, Volume 40, Issue 10, 2022, Pages 1325-1333 PDF (1.01 M)
Document Type: Research Paper
DOI: 10.30684/etj.2022.134436.1238
Authors
Evan T. Salim^* ¹; Suhair R. shafeeq²; Mohammed Jalal AbdulRazzaq²; Mohammed H. A. Wahid³
¹Applied science department, university of technology - iraq
²Laser and Optoelectronic engineering, University of technology-Iraq, Baghdad, Iraq.
³Semiconductor Photonics & Integrated Lightwave Systems (SPILS), School of Microelectronic Engineering, University Malaysia Perlis, 02600, Arau, Perlis, Malaysia
Abstract
Due to the significance of Nb₂O₅ as a promising industrial and biomedical material and the importance of Raman analyses to identify nanostructural molecular responsivity for various applications, this study aims to investigate Nb₂O₅ molecular bands that emerged under the impact of the Raman scattering phenomenon. Besides other advantages, Raman scattering analyses can provide a further investigation of the nanostructural polycrystalline phases supporting the XRD analyses. A pulsed laser was selected as the deposition technique for Nb₂O₅ thin films prepared with four different parameters. The selection of the pulsed laser deposition (PLD) method was due to the insufficient studies and investigations of Nb₂O₅ nanostructures prepared via this method. The deposition parameters included the laser energy per pulse, substrate temperature, laser wavelength, and the number of laser pulses. Each preparation parameter was studied in a range, and one obtained value was optimized or selected for investigating the next parameter. Q-switched Nd:YAG pulsed laser was employed for this purpose. Orthorhombic (T-Nb₂O₅) and monoclinic (H-Nb₂O₅) were obtained and investigated. XRD analysis was incorporated to confirm the resulting Nb₂O₅ phases. Previous studies and observations of Niobium (V) oxide molecular Raman scattering bands were also listed for comparison purposes. The results of this study were well-agreed with the previously obtained results.
Highlights
T-Nb₂O₅ nanoparticle was achieved. A single step of laser ablation in liquid at different preparation parameters was performed. Raman spectroscopy and structural properties were conducted and analyzed.
Keywords
Pulsed laser deposition; Octahedron; optimized; Raman Scattering; orthorhombic

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