STRUCTURAL EVOLUTION OF THE AMORPHOUS SOLIDS PRODUCED BY HEATING CRYSTALLINE MGHPO4.3H2O

被引:7
作者
SALES, BC
CHAKOUMAKOS, BC
BOATNER, LA
RAMEY, JO
机构
[1] Solid State Division, Oak Ridge National Laboratory
关键词
D O I
10.1557/JMR.1992.2646
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The precise structural characteristics of the amorphous solids that are generated during the dehydration of crystalline MgHPO4 . 3H2O (newberyite) are reported. The results show that a dramatic change in the distribution of phosphate anions (i.e., chains of comer-linked PO4 tetrahedra) occurs during the process of dehydration and that anions up to 13 PO4 tetrahedra in length are formed. The distribution of phosphate anions formed at intermediate stages of the dehydration process was found to be in quantitative agreement with the theory of Parks and Van Wazer.
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页码:2646 / 2649
页数:4
相关论文
共 17 条
[11]   INVESTIGATION OF THE STRUCTURAL-PROPERTIES OF LEAD IRON PHOSPHATE-GLASSES USING LIQUID-CHROMATOGRAPHY AND RAMAN-SCATTERING SPECTROSCOPY [J].
SALES, BC ;
RAMSEY, RS ;
BATES, JB ;
BOATNER, LA .
JOURNAL OF NON-CRYSTALLINE SOLIDS, 1986, 87 (1-2) :137-158
[12]   STRUCTURAL DIFFERENCES BETWEEN THE GLASS STATE AND ION-BEAM-AMORPHIZED STATES OF LEAD PYROPHOSPHATE [J].
SALES, BC ;
RAMEY, JO ;
MCCALLUM, JC ;
BOATNER, LA .
JOURNAL OF NON-CRYSTALLINE SOLIDS, 1990, 126 (03) :179-193
[13]   STRUCTURAL ALTERATIONS IN THE AMORPHOUS-TO-CRYSTALLINE TRANSFORMATION OF LEAD PYROPHOSPHATE [J].
SALES, BC ;
RAMEY, JO ;
BOATNER, LA .
PHYSICAL REVIEW LETTERS, 1987, 59 (15) :1718-1721
[14]   STRUCTURAL INEQUIVALENCE OF THE ION-DAMAGE-PRODUCED AMORPHOUS STATE AND THE GLASS STATE IN LEAD PYROPHOSPHATE [J].
SALES, BC ;
RAMEY, JO ;
BOATNER, LA ;
MCCALLUM, JC .
PHYSICAL REVIEW LETTERS, 1989, 62 (10) :1138-1141
[15]  
SUTER DJ, 1970, RES VET SCI, V2, P299
[16]  
SUTER DJ, 1968, NATURE, V218, P295
[17]  
WOODHEAD JA, 1991, AM MINERAL, V76, P1535