2019
DOI: 10.1016/j.rinp.2019.01.053
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Characterization of nano-crystalline Co-La mixed oxide thin films prepared by the spray pyrolysis technique

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Cited by 7 publications
(5 citation statements)
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“…In all films the intensities of the recorded peaks are noticed to be week. Such small intensities of the diffraction peaks has been recorded before in our previous work [19,40]. The small peaks intensities could be attributed to the high cooling rate the films subjected to since all films are taken directly from the hot surface (450 o C) which gives a high rate of cooling since the film goes to room temperature in less than a minute.…”
Section: X-ray Diffraction and Microstructural Studysupporting
confidence: 60%
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“…In all films the intensities of the recorded peaks are noticed to be week. Such small intensities of the diffraction peaks has been recorded before in our previous work [19,40]. The small peaks intensities could be attributed to the high cooling rate the films subjected to since all films are taken directly from the hot surface (450 o C) which gives a high rate of cooling since the film goes to room temperature in less than a minute.…”
Section: X-ray Diffraction and Microstructural Studysupporting
confidence: 60%
“…For the pure Co3O4 film, the estimated activation energy was found to be 0.11eV. Aboud et.al [19] studied the DC conductivity of pure Co3O4 thin films deposited by spray pyrolysis. They found that the activation energy is 0.189 eV.…”
Section: Conductivity Analysismentioning
confidence: 99%
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“…The other is the parallel orientation which parallels the film surfaces. These changes in the preferred orientation of thin film grown on amorphous substrates may relate to changes in the nucleation process and growth mechanism [24][25][26][27][28][29]. In all films, no other diffraction peaks are detected which confirms the singularity of the ZnO phase.…”
Section: The X-ray Diffraction (Xrd) Analysismentioning
confidence: 72%
“…The obtained values of the absorption coefficient were used to calculate the optical band gap and the nature of the optical transition. The optical band gap was calculated using Tauc's equation [50];…”
Section: Optical Propertiesmentioning
confidence: 99%