Mangamma, G. ; Sairam, T. N. ; Dash, S. ; Rajalakshmi, M. ; Kamruddin, M. ; Mittal, V. K. ; Narasimhan, S. V. ; Arora, A. K. ; Sundar, C. S. ; Tyagi, A. K. ; Raj, Baldev (2007) Spectroscopic characterization of nanocrystalline chromium nitride (CrN) Journal of Nanoscience and Nanotechnology, 7 (3). pp. 970-976. ISSN 1533-4880
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Official URL: http://www.aspbs.com/jnn/
Related URL: http://dx.doi.org/10.1166/jnn.2007.204
Abstract
Nanocrystalline chromiuim nitride has been synthesised by direct gas phase nitridation of nanocrystalline chromia at 1100 degrees C in ammonia-atmosphere. XRD of this material showed formation of single phase CrN with particle size around 20 nm. AFM studies showed particle distribution along with some soft agglomerated nanostructures. Nanocrystalline Cr2O3 and partially-as well as fully--converted nanocrystalline CrN were also investigated using various spectroscopic techniques like XPS, FT-IR, and Raman for gaining insight into the conversion pathways. Spectroscopic investigations of these materials clearly indicate that complete conversion of CrN occurs by nitriding at 1100 degrees C for 4 hrs. The salient spectroscopic features of these nanocrystalline materials with respect to their microcrystalline counterparts are discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Scientific Publishers. |
| Keywords: | Atomic Force Microscopy; Chromium Nitride; Nanocrystalline Materials; Vibrational and X-Ray Photoelectron Spectroscopy |
| ID Code: | 97981 |
| Deposited On: | 23 Jan 2014 05:32 |
| Last Modified: | 23 Jan 2014 05:32 |
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