Effect of Nitrogen Pressure on the Structure of Cr-N, Ta-N, Mo-N, and W-N Nanocrystals Synthesized by Arc Discharge
Joint Authors
Source
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-09-19
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Engineering Sciences and Information Technology
Chemistry
Civil Engineering
Abstract EN
The effect of nitrogen pressure on the structure of Ta-N, Cr-N, Mo-N, and W-N nanocrystals formed in arc discharge process was investigated.
At the nitrogen pressure of 5~20 kPa, the pure cubic-phase TaN and CrN nanocrystals were formed, whereas pure cubic phase of Mo2N and W2N cannot be obtained.
A little of metal Mo and a mass of metal W were mixed with the products of Mo2N and W2N, respectively.
At the nitrogen pressure of 30~50 kPa, subnitride Ta2N and Cr2N and metal Cr were gradually formed in the product; furthermore, the proportion of metal Mo and W increased in the product of Mo2N and W2N, respectively.
It indicated that the low nitrogen pressure makes cubic mononitride formation favorable.
We explain this experimental observation in terms of the evaporation rate of anode metal and the ionization of nitrogen.
American Psychological Association (APA)
Shen, Longhai& Wang, Nan. 2011. Effect of Nitrogen Pressure on the Structure of Cr-N, Ta-N, Mo-N, and W-N Nanocrystals Synthesized by Arc Discharge. Journal of Nanomaterials،Vol. 2011, no. 2011, pp.1-5.
https://search.emarefa.net/detail/BIM-497562
Modern Language Association (MLA)
Shen, Longhai& Wang, Nan. Effect of Nitrogen Pressure on the Structure of Cr-N, Ta-N, Mo-N, and W-N Nanocrystals Synthesized by Arc Discharge. Journal of Nanomaterials No. 2011 (2011), pp.1-5.
https://search.emarefa.net/detail/BIM-497562
American Medical Association (AMA)
Shen, Longhai& Wang, Nan. Effect of Nitrogen Pressure on the Structure of Cr-N, Ta-N, Mo-N, and W-N Nanocrystals Synthesized by Arc Discharge. Journal of Nanomaterials. 2011. Vol. 2011, no. 2011, pp.1-5.
https://search.emarefa.net/detail/BIM-497562
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-497562