STUDY OF ANNEALING INFLUENCE ON IRO2 THIN FILMS USING ULTRASONIC TECHNIQUE.
Journal Title: International Journal of Advanced Research (IJAR) - Year 2018, Vol 6, Issue 9
Abstract
Iridium oxide (IrO2) thin films were prepared using sol-gel technique. The prepared films subjected to different annealing temperatures (3000C, 4000C, 5000C, 6000C and 7000C). By using ultrasonic pulse echo technique, ultrasonic attenuation coefficient (α), ultrasonic velocities (longitudinal, CL and shear, CS) and thin film thickness (X) measured. Then elastic moduli (Young?s (E), longitudinal (L), shear (G) and bulk (K)), Poisson?s ratio (v) and micro-hardness (H) were calculated. By optical method, band gap energy (Eg) of the prepared thin films measured. Films? densities (ρ) had known from weights difference. The study showed that the ultrasonic attenuation coefficient, films? densities and Poisson?s ratio increased as the annealing temperature increased while ultrasonic velocities, elastic moduli, thickness, micro-hardness and band gap energy did the contrast. It may be due to molecules mobility and voids variation with respect to annealing temperatures. Therefore, the mechanical properties, band gap energy, density, micro-hardness and thickness of IrO2 thin films were changed.
Authors and Affiliations
Mirham A. Y. Barakat.
Keywords
Related Articles
- EP ID EP400622
- DOI 10.21474/IJAR01/7653
- Views 57
- Downloads 0
AWARENESS OF THE NEED FOR PROFESSIONAL COUNSELLING SERVICES IN MANAGING PSYCHOLOGICAL DISTRESS ASSOCIATED WITH INFERTILITY CHALLENGES: CASE STUDY OF WOMEN OF REPRODUCTIVE AGE IN ASSESSING INFERTILITY TREATMENT AT THE FEDERAL MEDICAL CENTRE LOKOJA.
The study adopted descriptive research survey; the target population for the study was women of reproductive age accessing infertility treatment at the Federal Medical Centre, Lokoja-Kogi State, the researchers employed...
FEMALE LITERACY: A SUSTAINABLE DEVELOPMENTAL ISSUE TO MINIMISE INFANT AND MATERNAL MORTALITY IN INDIA.
Female literacy has become a crucial issue to fight against infant mortality and maternal mortality in any civilized country for an overall socio-economic development. To ensure a sustainable socio-economic development i...
PREVALENCE AND SEVERITY OF SUB-CLINICAL MASTITIS IN LACTATING COWS: DETECTION BY SURF FIELD MASTITIS TEST.
A total number of one hundred cow milk samples were examined in the present study for the Sub-clinical mastitis. In our study 44% milk samples were found positive for Surf Field Mastitis Test (SFMT). Quarter wise infecti...
EXTENT OF AWARENESS AND PRACTICES TOWARD IMPLEMENTATION OF REPUBLIC ACT 9003 IN THE MUNICIPALITY OF SANTA CRUZ, LAGUNA, PHILIPPINES.
This descriptive research assessed the extent of awareness and practices toward implementation of the Republic Act 9003 in the Municipality of Santa Cruz, Province of Laguna, Philippines. Three (3) groups of respondents...
OUTCOME ANALYSIS FOLLOWING TIBIAL ANGIOPLASTY IN PATIENTS WITH CRITICAL LIMB ISCHEMIA- A SINGLE CENTRE EXPERIENCE.
Background:Peripheral arterial occlusive disease (PAD) affects a major proportion of our elderly population and is a main cause for limb loss and morbidity. PAD can be managed by conservative, surgical and endovascular m...