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Possible routes for synthesis of new boron-rich Fe-B and Fe1-xCrxB4 compounds

A. Bialon, T. Hammerschmidt, R. Drautz, S. Shah, R. Margine, A. Kolmogorov

Applied Physics Letters, 98, 081901-(1-3), (2011)

DOI: 10.1063/1.3556564

Download: BibTEX

We use ab initio calculations to examine thermodynamic factors that could promote the formation of recently proposed unique oP10-FeB4 and oP12-FeB2 compounds. We demonstrate that these compact boron-rich phases are stabilized further under pressure. We also show that chromium tetraboride is more stable in the new oP10 rather than the reported oI10 structure which opens up the possibility of realizing an oP10-(FexCr1-x)B4 pseudobinary material. In addition to exhibiting remarkable electronic features, oP10-FeB4 and oP12-FeB2 are expected to be harder than the known Fe–B compounds commonly used for hard coating applications.

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{"type":"article", "name":"a.bialon20112", "author":"A. Bialon and T. Hammerschmidt and R. Drautz and S. Shah and R. Margine and A. Kolmogorov", "title":"Possible routes for synthesis of new boronrich FeB and Fe$_1x$Cr$_x$B$_4$ compounds", "journal":"Applied Physics Letters", "volume":"98", "OPTnumber":"", "OPTmonth":"2", "year":"2011", "OPTpages":"081901-(1-3)", "OPTnote":"", "OPTkey":"steels; density functional theory", "DOI":"10.1063/1.3556564"}
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