| Size dependent phase stability of nano-diamond |
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| 引用本文： | 蒋青 陆海鸣 郑伟涛. Size dependent phase stability of nano-diamond[J]. 中国有色金属学会会刊, 2005, 15(2): 319-322 |
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| 作者姓名： | 蒋青 陆海鸣 郑伟涛 |
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| 作者单位： | StateKeyLaboratoryofAutomobileMaterials,DepartmentofMaterialsScienceandEngineering,JilinUniversity,Changchun130025,China |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，国家自然科学基金 |
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| 摘 要： | The transition between nano-diamond(n-D) and nano-graphite(n-G) were modeled based on the extrapolation of the bulk diamond-graphite equilibrium phase boundary in the temperature-pressure diagram to the nano-size region. It is found that in comparison with n-G, the stability of n-D increases as size and temperature decrease.However, n-D is not the most stable phase in comparison with fullerenes(C60) at the nanoscale by considering the heat of formation.
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| 关 键 词： | 固相-固相迁移 纳米石墨 人造宝石 漂洗工艺 温度-压力图 |
Size dependent phase stability of nano-diamond |
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| JIANG Qing,LU Hai-Ming,ZHENG Wei-tao. Size dependent phase stability of nano-diamond[J]. Transactions of Nonferrous Metals Society of China, 2005, 15(2): 319-322 |
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| Authors: | JIANG Qing LU Hai-Ming ZHENG Wei-tao |
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| Abstract: | The transition between nano-diamond(n-D) and nano-graphite(n-G) were modeled based on the extrapolation of the bulk diamond-graphite equilibrium phase boundary in the temperature-pressure diagram to the nano-size region. It is found that in comparison with n-G, the stability of n-D increases as size and temperature decrease.However, n-D is not the most stable phase in comparison with fullerenes(C60) at the nanoscale by considering the heat of formation. |
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| Keywords: | solid-solid transition graphite diamond fullerenes |
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