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Elasticity, hardness, and thermal properties of ZrBn (n=1, 2, 12)
【文件类型】 【消费金额】2.4 【文章页数】8 【会员操作】  
【文章作者】Chen, Zhi-Qian;Peng, Yu-Si;Hu, Meng;Li, Chun-Mei;Luo, Yan-Ting
【文章摘要】      Elasticity, hardness, and thermal conductivity of ZrBn (n=-1, 2, 12) were studied in this paper by using the first-principles calculations of plane wave ultra-soft pseudo-potential technology based on the density functional theory (DFT). Deep analysis of elasticity and anisotropy was carried out, indicating that ZrB and ZrB2 are soft (the most anisotropic) and superhard (the least anisotropic) respectively. The transverse wave speed (V-t), longitudinal wave speed (V-1) and the minimum thermal conductivity kappa(min) (both Clark and Cahill model) were calculated. Our investigations show that ZrB is a good heat insulating material and a good lubricant, ZrB12 can be served as a good high-temperature-resistant material and superconducting material, and ZrB2 is a good wear-resistant material. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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【卷】42 【ISSUE】6 【ISSUEID】815C0073     【文章期份】2016    【发布日期】2016/8/11 17:03:31    点击率:0    打印    关闭
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