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- Title
Argon gas concentration effects on nanostructured molybdenum nitride layer growth using 100 Hz pulsed dc glow discharge.
- Authors
Ikhlaq, U.; Ahmad, R.; Saleem, S.; Shah, M.S.; Umm-i-Kalsoom; Khan, N.; Khalid, N.
- Abstract
The effect of argon concentration (10%–40%) on the surface properties of molybdenum is studied in nitrogen-argon mixture using 100 Hz pulsed dc glow discharge. The analysis is carried out by using X-ray diffractometer (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM) and Vickers microhardness tester to investigate surface properties of the nitrided samples. XRD results exhibit the formation of molybdenum nitrides. Crystallite size analysis and SEM morphology confirm the growth of nanostructured molybdenum nitride layers. Moreover, significant increase in surface hardness (by a factor of about two times) is found when the sample is treated for 30% argon in nitrogen-argon mixed plasma.
- Subjects
ARGON; NANOSTRUCTURES; MOLYBDENUM nitrides; CRYSTAL growth; DIRECT currents; SCANNING electron microscopy; PLASMA gases
- Publication
European Physical Journal - Applied Physics, 2012, Vol 59, Issue 2, pN.PAG
- ISSN
1286-0042
- Publication type
Article
- DOI
10.1051/epjap/2012120173