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Formation of NaCl-type Cr carbide by carbon ion implantation

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Abstract

A new NaCl-type simple structured fcc chromium carbide was observed after 50 keV carbon-ion implantation into pure Cr thin films. The lattice constant was 0.403 nm determined by electron diffraction. TEM in situ annealing showed that the new phase was stable up to a temperature around 300°C. Auger spectra confirmed the formation of the carbide. The formation energy of the carbide calculated by Miedema's empirical method was −7 cal/mol.

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Authors and Affiliations

  1. Surface Physics Division, Department of Physics, Fudan University, 200433, Shanghai, People's Rep. China

    Wang Jian

  2. Department of Materials Science and Engineering, Tsinghua University, 100084, Beijing, People's Rep. China

    Chen Xiangyi

  3. Department of Materials Physics, Beijing University of Science and Technology, 100083, Beijing, People's Rep. China

    Yang Nan & Fang Zhengzhi

Authors
  1. Wang Jian
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  2. Chen Xiangyi
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  3. Yang Nan
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  4. Fang Zhengzhi
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Wang, J., Chen, X., Yang, N. et al. Formation of NaCl-type Cr carbide by carbon ion implantation. Appl. Phys. A 56, 307–309 (1993). https://doi.org/10.1007/BF00324347

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  • DOI: https://doi.org/10.1007/BF00324347

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