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author:

胥焕岩 (胥焕岩.) [1] | 刘羽 (刘羽.) [2] (Scholars:刘羽) | 彭明生 (彭明生.) [3] | 吴泽 (吴泽.) [4] | 丁军 (丁军.) [5]

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CQVIP PKU CSCD

Abstract:

通过XRD、FT-IR和SEM等方法对采用液相化学反应法合成的镉-钙羟基磷灰石(cadmiunl-calcium hydroxyapatite,Cd-CaHap)连续固溶体进行分析,结果表明:Cd-CaHap中没有杂质相存在,是纯的固溶体晶须.它们的晶胞参数a和c、晶胞体积V随Cd离子替换量x(原子百分数)的增加呈线性减小,线性方程分别为:a=0.947 27-9.159×10-5x(R=0.984 7); c=0.688 68-2.070×10-4x(R=0.981 5);0=0.535 7-2.74×10-4x(R=0.992 5).随Cd离子含量的增加,固溶体的标准摩尔生成焓呈线性增加:△fH=46.534 02x-13 316.312 57(R=0.999 98).摩尔混合焓△mH曲线的非对称性则说明替换后的Cd离子在磷友石结构中可能存在着优先占位的倾向.

Keyword:

固溶体 摩尔混合焓 晶胞参数 镉-钙羟基磷灰石

Community:

  • [ 1 ] [胥焕岩]哈尔滨理工大学
  • [ 2 ] [刘羽]福州大学
  • [ 3 ] [彭明生]中山大学
  • [ 4 ] [吴泽]哈尔滨理工大学
  • [ 5 ] [丁军]哈尔滨理工大学

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Source :

矿物岩石

ISSN: 1001-6872

CN: 51-1143/TD

Year: 2009

Issue: 2

Volume: 29

Page: 5-11

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 3

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