[1]王巍,王声乐,王登志.外磁场诱导下的硫化钴晶相转变[J].南京师大学报(自然科学版),2012,35(01):34-38.
 Wang Wei,Wang Shengyue,Wang Dengzhi.Magnetic Field Induced Phase Transition of Crystalline Cobalt Sulfides[J].Journal of Nanjing Normal University(Natural Science Edition),2012,35(01):34-38.
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外磁场诱导下的硫化钴晶相转变()
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《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

卷:
第35卷
期数:
2012年01期
页码:
34-38
栏目:
物理学
出版日期:
2012-03-20

文章信息/Info

Title:
Magnetic Field Induced Phase Transition of Crystalline Cobalt Sulfides
作者:
王巍1王声乐2王登志2
( 1. 南京师范大学物理科学与技术学院,江苏南京210046) ( 2. 东南大学物理系,江苏南京210096)
Author(s):
Wang Wei1Wang Shengyue2Wang Dengzhi2
1.School of Physics and Technology,Nanjing Normal University,Nanjing 210046,China
关键词:
硫化钴相变磁场诱导晶体生长
Keywords:
cobalt sulfidephase transitionmagnetic-field-inducedcrystal growth
分类号:
O614.812
摘要:
利用磁场诱导生长技术,成功地控制了Co9S8晶体向Co3S4晶体的晶相过渡生长.通过对晶体产物的XRD,SEM和TEM分析,证实了这种磁场诱导下的晶相结构转变.研究结果表明,通过设计在完全相同的化学反应条件下施加不同磁场,证明外磁场是该晶相相变的惟一诱导因素.并对诱导相变的机理进行了解释.该成果有望为过渡金属硫化物的低温生长提供新技术.
Abstract:
Applied magnetic-field was proved to be an effective approach for inducing crystal phase transition from Co9 S8 to Co3 S4 . XRD,SEM and TEM were employed to identify the crystal phase transitions between the samples as-prepared. The growth and magnetic-field-induced mechanism was proposed and validated by synthesizing cobalt sulfide under an identical chemical reaction condition except for the intensity of applied magnetic field. This technique is hopeful for realizing crystal phase transformation at a lower temperature in the transition-metal sulfide system.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金( 50572016) .
通讯联系人:王巍,副教授,研究方向: 纳米材料制备. E-mail: wangwei1@ njnu. edu. cn
更新日期/Last Update: 2013-03-11