冰升华法中NaNO2和KNO2的混合非晶成分

冰升华法中NaNO₂和KNO₂的混合非晶成分

左桂鸿¹,², 李冬妹¹, 牟佳佳¹, 陈海勇¹

1. 吉林大学超硬材料国家重点实验室, 长春 130012; 2. 牡丹江师范学院物理系, 黑龙江牡丹江 157000

收稿日期:2007-12-07 修回日期:1900-01-01 出版日期:2008-09-26 发布日期:2008-09-26
通讯作者: 陈海勇

Mixed Amorphous Composites of NaNO₂ and KNO₂Prepared by Ice Sublimation Method

ZUO Gui hong¹,², LI Dong mei¹, MU Jia jia¹, CHEN Hai yong¹

1. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China; 2. Department of Physics, Mudanjiang Teachers’College, Mudanjiang 157000, Heilongjiang Province, China

Received:2007-12-07 Revised:1900-01-01 Online:2008-09-26 Published:2008-09-26
Contact: CHEN Hai yong

摘要/Abstract

摘要： 采用冰升华方法制备由可溶盐NaNO2和KNO2混合构成的非晶. 当n(NaNO₂)∶n(KNO₂)=1∶1时, 生成产物的非晶衍射峰相对强度最大; 随着NaNO2摩尔分数的增加, 其短程有序由6.7 nm减至4.8 nm, 当n(NaNO₂)∶n(KNO₂)=2∶1时, 其短程有序为3.7 nm, 这是由于形成了不同于纯NaNO₂或KNO₂非晶的新非晶结构所致. 

关键词: 冰升华, 非晶, 短程有序

Abstract: The mixed amorphous composites of soluble salts NaNO₂ and KNO₂ were prepared by ice sublimation method. At the condition of n(NaNO₂)∶n(KNO₂)=1∶1, the relative intensity of the diffraction peak of the amorphous product reaches the maximum; and the length of short range order decreased from 6.7 nm to 4.8 nm while the proportion of NaNO₂ to KNO₂ increase. Specially, the minimum of 3.7 nm reaches at the condition of n(NaNO₂)∶n(KNO₂)=2∶1. So we believe new amorphous structure that is different from pure NaNO₂ or KNO₂ amorphous structure has been formed.

Key words: ice sublimation, amorphous, short range order

中图分类号:

TB383

左桂鸿,, 李冬妹, 牟佳佳, 陈海勇. 冰升华法中NaNO₂和KNO₂的混合非晶成分[J]. J4, 2008, 46(05): 974-978.

ZUO Gui hong,, LI Dong mei, MU Jia jia, CHEN Hai yong. Mixed Amorphous Composites of NaNO₂ and KNO₂Prepared by Ice Sublimation Method[J]. J4, 2008, 46(05): 974-978.

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冰升华法中NaNO₂和KNO₂的混合非晶成分

Mixed Amorphous Composites of NaNO₂ and KNO₂Prepared by Ice Sublimation Method

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