| Electronic microscopy analysis of HAP single crystals prepared by hydrothermal method |
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| 引用本文： | 王友法,闫玉华,李美娟,张宏泉. Electronic microscopy analysis of HAP single crystals prepared by hydrothermal method[J]. 中国有色金属学会会刊, 2003, 13(1): 69-72 |
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| 作者姓名： | 王友法 闫玉华 李美娟 张宏泉 |
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| 作者单位： | BiomaterialsandEngineeringResearchCenter,WuhanUniversityofTechnology,Wuhan430070,China |
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| 基金项目： | Project( 99J0 76 )supportedbytheNaturalScienceFoundationofHubei,China |
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| 摘 要： | Hydroxyapatite(HAP,Ca10(PO4)6(OH)2in one of the quite important bone implant materials.The hydroxyapatite crystals were synthesized under hydrothermal condition.The specimen was verified to be HAP crystal by the X-ray powder diffractometry(XRD).Then the specimen was distinguished single crystal from polycrystal by the use of the transmission electron microscope(TEM).The diffraction pattern of the specimen is neatly affanged diffraction spots,that verified the crystals were single crystals.The interplanar distance d calculated from diffraction spot is coincided with that of HAP‘s JCPD card.Moreover,crystal face angles calculated from crystal face index are coincided with the values by measuring on the pattern.The HAP crystals are needle-like in shape with about 3μm in diameter and 180μm in length.Most of the crystals are whiskers.Their length/diameter ratio ranges from 40 to 100.The average ratio is about 60.
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| 关 键 词： | HAP 羟基磷灰石 单晶水热法 衍射图 电子显微镜 |
Electronic microscopy analysis of HAP single crystals prepared by hydrothermal method |
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| WANG You-fa,YAN Yu-hua,LI Mei-juan,ZHANG Hong-quan. Electronic microscopy analysis of HAP single crystals prepared by hydrothermal method[J]. Transactions of Nonferrous Metals Society of China, 2003, 13(1): 69-72 |
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| Authors: | WANG You-fa YAN Yu-hua LI Mei-juan ZHANG Hong-quan |
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| Abstract: | H ydroxyapatite(HAP, Ca10 (PO4)6 (OH)2) is one of the quite important bone implant materials. Thehydroxyapatite crystals were synthesized under hydrothermal condition. The specimen was verified to be HAP crys-tal by the X-ray powder diffractometry(XRD). Then the specimen was distinguished single crystal from polycrystalby the use of the transmission electron microscope(TEM). The diffraction pattern of the specimen is neatly arrangeddiffraction spots, that verified the crystals were single crystals. The interplanar distance d calculated from diffrac-tion spot is coincided with that of HAP's JCPDS card. Moreover, crystal face angles calculated from crystal face in-dex are coincided with the values by measuring on the pattern. The HAP crystals are needle-like in shape with about3 μm in diameter and 180 μm in length. Most of the crystals are separate whiskers. Their length/diameter ratio ran-ges from 40 to 100. The average ratio is about 60. |
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| Keywords: | hydroxyapatite single crystal hydrothermal method diffraction pattern |
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