Microstructure and ordering of iron vacancies in the superconductor system KyFexSe2 as seen via transmission electron microscopy

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	Microstructure and ordering of iron vacancies in the superconductor system KyFexSe2 as seen via transmission electron microscopy
	Wang, Z ; Song, YJ ; Shi, HL ; Wang, ZW ; Chen, Z ; Tian, HF ; Chen, GF ; Guo, JG ; Yang, HX ; Li, JQ
刊名	PHYSICAL REVIEW B
	2011
卷号	83 期号:14
ISSN号	1098-0121
通讯作者	Li, JQ: Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.
中文摘要	In the present study, we report a facile hydrothermal route developed to synthesize various ID tellurium nanostructures including nanotubes, nanowires, and nanorods on a large scale. Te nanotubes with a tunable diameter from 200 nm to 2 mu m are fabricated in NaOH solution. With poly(vinyl pyrrolidone) as the surfactant, ultrathin Te nanowires with a diameter of 5 8 rim are synthesized in NaOH solution. However, in both cases, only Te nanorods are obtained if NaOH is not added. The formation of Te nanotubes is attributed to the depletion of Te atoms at the surface of seeds. The influence of the reaction conditions including pH value, reaction temperature, reducing agent, and reactant concentration on the size and morphology of the Te nanostructures is investigated and the structural evolution with different growth rate is illustrated. A reduction reaction rate controlled growth mechanism has been proposed for the variable nanostructures. In addition, the obtained Te nanostructures are ideal templates to synthesize other Te-related nanocompounds, which is demonstrated by the synthesis of ultrathin Ag(2)Te nanowires through the direct reaction of ultrathin Te nanowires with AgNO(3) at room temperature.
收录类别	SCI
资助信息	National Science Foundation of China; Chinese Academy of Sciences; Ministry of Science and Technology of China
语种	英语
公开日期	2013-09-18
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/42086]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Wang, Z,Song, YJ,Shi, HL,et al. Microstructure and ordering of iron vacancies in the superconductor system KyFexSe2 as seen via transmission electron microscopy[J]. PHYSICAL REVIEW B,2011,83(14).
APA	Wang, Z.,Song, YJ.,Shi, HL.,Wang, ZW.,Chen, Z.,...&Li, JQ.(2011).Microstructure and ordering of iron vacancies in the superconductor system KyFexSe2 as seen via transmission electron microscopy.PHYSICAL REVIEW B,83(14).
MLA	Wang, Z,et al."Microstructure and ordering of iron vacancies in the superconductor system KyFexSe2 as seen via transmission electron microscopy".PHYSICAL REVIEW B 83.14(2011).