The Transformation Features of Impurity Defects in Natural Diamonds of Various Habits under High P-T Conditions

被引：8
|
作者：
Zedgenizov, D. A. [1 ]
Kalinin, A. A. [1 ]
Kalinina, V. V. [1 ]
Pal'yanov, Yu. N. [1 ]
Shatsky, V. S. [1 ,2 ,3 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Sobolev Inst Geol & Mineral, Pr Akad Koptyuga 3, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
[3] Russian Acad Sci, Siberian Branch, Vinogradov Inst Geochem, Ul Favorskogo 1A, Irkutsk 664033, Russia
来源：
DOKLADY EARTH SCIENCES | 2016年 / 466卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
ABSORPTION-SPECTRA; HYDROGEN; AGGREGATION; GROWTH;
D O I：
10.1134/S1028334X16010086
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The results of the investigations of the transformation of impurity defects in natural diamonds of various habits at the stage of high-temperature annealing at P = 6 GPa and T = 2200 degrees C are presented. The studies conducted allowed us to ascertain that the transformations of A-and B-defects in diamonds of octa-hedral and cubic habits follow general regularities. This fact shows that most of the diamonds of cubic habit with low degree of aggregation of nitrogen centers were not really annealed over a long-term interval. Unlike octahedral diamonds, those of cubic habit are characterized by a pronounced increase in the peak of H-containing defects (3107 cm(-1)) after annealing.
引用
收藏
页码：32 / 37
页数：6
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