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The Determination of Melting-Point and Debye Characteristic Temperature of Nano-Diamond from X-Ray Diffraction Intensities
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Chao WEN1, 2, De-Yu SUN2, Jin-Qing GUAN2, Xiao-Xin LIU2, Xun LI2, Gang ZHOU2, Jun-De LIN2, Zhi-Hao JIN1
Chinese Journal of High Pressure Physics | 2003, 17(3) : 199 - 203
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Chinese Journal of High Pressure Physics | 2003, 17(3): 199-203
The Determination of Melting-Point and Debye Characteristic Temperature of Nano-Diamond from X-Ray Diffraction Intensities
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Chao WEN1, 2, De-Yu SUN2, Jin-Qing GUAN2, Xiao-Xin LIU2, Xun LI2, Gang ZHOU2, Jun-De LIN2, Zhi-Hao JIN1
Affiliations
  • 1.State Key Laboratory Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049 China
  • 2.Northwest Institute of Nuclear Technology, Xi'an 710024, China
Published: 2003-09-05
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The melting-point of nano-diamond was reported in this paper. The Debye characteristic temperature of nano-diamond was calculated based on X-ray diffraction intensities by the methods introduced by LU Xue-Shan and LIANG Jing-Kui. Its Debye characteristic temperature is 411.7 K, which is about one-fifth of the Debye characteristic temperature of bulk diamond single crystal synthesized under high temperature and high-pressure condition. The melting point of nano-diamond is 2070 K calculated with Lindemann's formula. The atom vibration amplitude, which deflected balance position, increases two times or more. This leads to the increasing of activity of nano-diamond.

melting point  /  Debye characteristic temperature  /  nano-diamond  /  X-ray diffraction intensities
文潮, 孙德玉, 关锦清, 刘晓新, 李迅, 周刚, 林俊德, 金志浩. 用X射线衍射强度测定纳米金刚石的德拜特征温度和熔点. 高压物理学报, 2003 , 17 (3) : 199 -203 .
Chao WEN, De-Yu SUN, Jin-Qing GUAN, Xiao-Xin LIU, Xun LI, Gang ZHOU, Jun-De LIN, Zhi-Hao JIN. The Determination of Melting-Point and Debye Characteristic Temperature of Nano-Diamond from X-Ray Diffraction Intensities[J]. Chinese Journal of High Pressure Physics, 2003 , 17 (3) : 199 -203 .
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Year 2003 volume 17 Issue 3
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  • Receive Date：2002-07-09
  • Online Date：2026-10-31
  • Published：2003-09-05
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  • Received：2002-07-09
  • Revised：2002-11-10
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Affiliations
    1.State Key Laboratory Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049 China
    2.Northwest Institute of Nuclear Technology, Xi'an 710024, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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