Published August 26, 2009
| Version v1
Journal article
Effect of N, C and B interstitial atoms on local bonding structure in mechanically activated TiH2/h-BN, TiH2/C, and TiH2/B mixtures
- 1. Semenov Inst. of Chemical Physics RAS, Moscow (Russian Federation)
- 2. Inst. of Material Physics, University of Goettingen, 37077 Goettingen (Germany)
- 3. Lomonosov Moscow State University, Chemical Dpt., Moscow (Russian Federation)
- 4. Inst. of Metal Physics, RAS-Ural Division, Yekaterinburg (Russian Federation)
- 5. University of Saskatchewan, Dpt. of Physics and Engineering Physics, Saskatoon (Canada)
Description
Mechanically activated TiH2/h-BN, TiH2/C and TiH2/B mixtures was studied by temperature-programmed desorption, X-ray diffraction, transmission electron microscopy and X-ray emission spectroscopy. Ball milling in the presence of additives results in a modification of hydrogen occupation sites. Additional Ti-N, Ti-C or Ti-B bonds from chemical bonding of Ti with interstitial N, C and B atoms, are formed in TiH2 due to contact of TiH2 nanoparticles with the respective additive matrix materials. Mixed configurations around Ti atoms with proportional combination of local Ti-H and Ti-N, Ti-C or Ti-B bonds significantly decrease the thermal stability of TiH2. The effect is most pronounced when boron is the additive.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.jallcom.2008.08.093Additional details
Identifiers
- DOI
- 10.1016/j.jallcom.2008.08.093;
- PII
- S0925-8388(08)01851-3;
Publishing Information
- Journal Title
- Journal of Alloys and Compounds
- Journal Volume
- 483
- Journal Issue
- 1-2
- Journal Page Range
- p. 309-312
- ISSN
- 0925-8388
- CODEN
- JALCEU
Conference
- Title
- 14. international symposium on metastable and nano-materials
- Acronym
- ISMANAM-2007
- Dates
- 26-30 Aug 2007
- Place
- Corfu (Greece)
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 41098807
- Subject category
- S36: MATERIALS SCIENCE; S77: NANOSCIENCE AND NANOTECHNOLOGY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BORON; BORON NITRIDES; CARBON; CHEMICAL BONDS; COMMINUTION; COMPOSITE MATERIALS; DESORPTION; EMISSION SPECTROSCOPY; HYDROGEN; INTERSTITIALS; MATRIX MATERIALS; NANOSTRUCTURES; TITANIUM HYDRIDES; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION
- Descriptors DEC
- BORON COMPOUNDS; COHERENT SCATTERING; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; DIFFRACTION; ELECTRON MICROSCOPY; ELEMENTS; HYDRIDES; HYDROGEN COMPOUNDS; MATERIALS; MICROSCOPY; NITRIDES; NITROGEN COMPOUNDS; NONMETALS; PNICTIDES; POINT DEFECTS; SCATTERING; SEMIMETALS; SORPTION; SPECTROSCOPY; TITANIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS
Optional Information
- Copyright
- Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.