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The structural phase transition, elastic, electronic properties and hardness for boride rhodium (RhB) under high pressure are systematically investigated by using the pseudopotential plane-wave density functional. The obtained lattice parameters, bulk modulus and elasitc constants are in good agreement with the available experimental and previous theoretical results at zero pressure. Furthermore, the mechanism of the high pressure structural phase transition is studied in detail. Our results show that RhB undergoes a structural phase transition from anti-NiAs-type to FeB-type at 25.3 GPa, which is in good agreement with other reported theoretical result. We also predict the pressure induced elastic constants, bulk modulus, shear modulus, Young's modulus, Poisson's coefficients, and elastic anisotropy factors, and find that the pressure has an important influence on the elastic properties. The calculated electronic density of states reveals that the pressure will strengthen the orbital hybridization between the Rh states and B states, the nonlocal effect and the strength of the covalent bond. Finally, on the basis of the Mulliken overlap populationanalysis, we obtain that the hardness of anti-NiAs-RhB is 18.1 GPa, which is compatible to the experimental value.
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Keywords:
- high pressure /
- phase transition /
- elastic properties /
- electronic structure
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[3] Cumberland R W, Weinberger M B, Gilman J J, Clark S M, Tolbert S H, Kaner R B 2005 J. Am. Chem. Soc. 127 7264
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[17] Louail L, Maouche D, Roumili A, Sahraoui F A 2004 Mater. Lett. 58 2975
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[31] Pugh S F 1954 Philos. Mag. 45 823
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[42] Liu J, Kuang X Y, Wang Z H, Huang X F 2012 Chin. Phys. B 21 086103
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[46] Gou H, Hou L, Zhang J, Gao F 2008 Appl. Phys. Lett. 92 241901
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[1] Gu Q, Krauss G, Steurer W 2008 Adv. Mater. 20 3620
[2] Kaner R B, Gilman J J, Tolbert S H 2005 Science 308 1268
[3] Cumberland R W, Weinberger M B, Gilman J J, Clark S M, Tolbert S H, Kaner R B 2005 J. Am. Chem. Soc. 127 7264
[4] Solozhenko V L, Dub S N, Novikov N V 2001 Diam. Relat. Mater. 10 2228
[5] Solozhenko V L, Kurakevych O O, Andrault D, Godec Y L, Mezouar M 2009 Phys. Rev. Lett. 102 015506
[6] Chung H Y, Weinberger M B, Yang J M, Tolbert S H, Kaner R B 2008 Appl. Phys. Lett. 92 261904
[7] Gou H, Hou L, Zhang J, Li H, Sun G, Gao F 2006 Appl. Phys. Lett. 88 221904
[8] Hebbache M, Stuparević L, Živković D A 2006 Solid. State. Commun. 139 227
[9] Chiodo S, Gotsis H J, Russo N, Sicilia E 2006 Chem. Phys. Lett. 425 311
[10] Zhao W J, Wang Y X 2009 J. Solid. State.Chem. 182 2880
[11] Li J J, Zhao X P, Tao Q, Huang X Q, Zhu P W, Cui T, Wang X 2013 Acta Phys. Sin. 62 026202(in Chinese)[黎军军, 赵学坪, 陶强, 黄晓庆, 朱品文, 崔田, 王欣 2013 62 026202]
[12] Aronsson B, Åselius J, Stenberg E 1959 Nature 183 1318
[13] Rau J V, Latini A 2009 Chem. Mater. 21 1407
[14] Latini A, Rau J V, Teghil R, Generosi A, Albertini V R 2010 ACS Appl. Mater. Inter. 2 581
[15] Wang Q, Zhao Z, Xu L, Wang L M, Yu D, Tian Y, He J 2011 J. Phys. Chem. C 115 19910
[16] Bouhemadoua A, Khenata R 2006 Phys. Lett. A 25 339
[17] Louail L, Maouche D, Roumili A, Sahraoui F A 2004 Mater. Lett. 58 2975
[18] Vanderbilt D 1990 Phys. Rev. B 41 7892
[19] Perdew J P, Burke K, Ernzerhof M 1996 Phys. Rev. Lett. 77 3865
[20] Payne M C, Teter M P, Allen D C, Arias T A, Joannopoulos J D 1992 Rev. Mod. Phys. 64 1045
[21] Monkhorst H J, Pack J D 1976 Phys. Rev. B 13 5188
[22] Pfrommer B G, Cote M, Louie S G, Cohen M L 1997 J. Comp. Physiol. 131 233
[23] Wallace D C 1972 Thermodynamics of Crystals (New York: Wiley)
[24] Wang J, Yip S, Phillpot S R, Wolf D 1995 Phys. Rev. B 52 12627
[25] Barron T H K, Klein M L1965 Proc. Phys. Soc. 85 523
[26] Reuss A, Angew Z 1929 Math. Mech. 9 55
[27] Li W H 2012 J. Alloy. Compd. 537 216
[28] Nye J F 1985 Physical Properties of Crystals (Oxford: Oxford University Press)
[29] Hill R 1952 Proc. Soc. London. A 65 350
[30] Nevitt M V, Chan S, Liu J Z, Grinsditch M H, Fang Y 1988 Physica B 150 230
[31] Pugh S F 1954 Philos. Mag. 45 823
[32] Frantsevich I N, Voronov F F, Bokuta S A 1983 Elastic Constants and Elastic Moduli of Metals and Insulators Handbook (Kiev: NaukovaDumka)
[33] Wang J, Li C M, Ao J, Li F, Chen Z Q 2013 Acta Phys. Sin. 62 087102(in Chinese)[王瑨, 李春梅, 敖靖, 李凤, 陈志谦 2013 62 087102]
[34] Steinle-Neumann G, Stixrude L, Cohen R E 1999 Phys. Rev. B 60 791
[35] Yang Z J, Guo Y D, Linghu R F, Cheng X L, Yang X D 2012 Chin. Phys. B 21 056301
[36] Ravindran P, Fast L, Korzhavyl P A, Johansson B, Wills J, Eriksson O 1998 J. Appl. Phys. 84 4891
[37] Anderson O L 1963 J. Phys. Chem. Solids. 24 909
[38] Westbrook J H, Conrad H 1973 The Science of Hardness Testing and Its Research Applications (Ohio: American Society for Metals)
[39] Gao F M 2006 Phys. Rev. B 73 132104
[40] Xu H B, Wang Y X 2009 Acta Phys. Sin. 58 5645(in Chinese)[许红斌, 王渊旭 2009 58 5645]
[41] Wang Z H, Kuang X Y, Zhong M M, Peng L, Mao A J, Huang X F 2011 Europhys. Lett. 95 66005
[42] Liu J, Kuang X Y, Wang Z H, Huang X F 2012 Chin. Phys. B 21 086103
[43] Jin Y Y, Kuang X Y, Wang Z H, Huang X F 2013 High. Pressure Res. 33 153
[44] Pu C Y, Zhou D W, Bao D X, Lu C, Jin X L, Su T C, Zhang F W 2014 Chin. Phys. B 23 026201
[45] Gao F M, He J L, Wu E D, Liu S M, Yu D L, Li D C, Zhang S Y, Tian Y J 2003 Phys. Rev. Lett. 91 015502
[46] Gou H, Hou L, Zhang J, Gao F 2008 Appl. Phys. Lett. 92 241901
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