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	Change in crystalline structure of w18o49 nanowires induced by x-ray irradiation and its effects on field emission
	Wu, Junqing1,2; Wang, Bo3; Yi, Futing3; Deng, Shaozhi1; Xu, Ningsheng1; Chen, Jun1
刊名	Rsc advances
	2018
卷号	8期号:2页码:752-760
ISSN号	2046-2069
DOI	10.1039/c7ra12791j
通讯作者	Chen, jun(stscjun@mail.sysu.edu.cn)
英文摘要	W18o49 nanowires were synthesized by thermal evaporation, and the effects of x-ray irradiation on their crystalline structure, chemical composition, and field emission properties were systematically investigated. high-energy x-ray irradiation created nanoprotrusions on the surface of w18o49 nanowires and introduced crystalline slipping in the lattice. x-ray photoelectron spectroscopy results showed that the content of lattice oxygen increased and nitrogen was incorporated into the w18o49 nanowires after x-ray irradiation. nevertheless, a stable and high current emission still could be obtained from the w18o49 nanowires after x-ray irradiation, with a slight increase in the threshold field from 6.4 to 7.9 mv m(-1). the mechanism of the change in crystalline structure, chemical composition, and field emission performance of w18o49 nanowires induced by x-ray irradiation is discussed.
WOS关键词	TUNGSTEN-OXIDE NANOWIRES ; THERMAL EVAPORATION ; ELECTRON-EMISSION ; CARBON NANOTUBES ; COLD-CATHODE ; LARGE-SCALE ; FILMS ; PERFORMANCE ; NANORODS ; ARRAYS
WOS研究方向	Chemistry
WOS类目	Chemistry, Multidisciplinary
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000419347900019
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2177874
专题	高能物理研究所
通讯作者	Chen, Jun
作者单位	1.Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangdong Prov Key Lab Display Mat & Technol, Sch Elect & Informat Technol, Guangzhou 510275, Guangdong, Peoples R China 2.Jiujiang Univ, Jiangxi Prov Key Lab Microstruct Funct Mat, Jiujiang Key Lab Novel Funct Nanomat, Sch Sci, Jiujiang 332005, Peoples R China 3.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wu, Junqing,Wang, Bo,Yi, Futing,et al. Change in crystalline structure of w18o49 nanowires induced by x-ray irradiation and its effects on field emission[J]. Rsc advances,2018,8(2):752-760.
APA	Wu, Junqing,Wang, Bo,Yi, Futing,Deng, Shaozhi,Xu, Ningsheng,&Chen, Jun.(2018).Change in crystalline structure of w18o49 nanowires induced by x-ray irradiation and its effects on field emission.Rsc advances,8(2),752-760.
MLA	Wu, Junqing,et al."Change in crystalline structure of w18o49 nanowires induced by x-ray irradiation and its effects on field emission".Rsc advances 8.2(2018):752-760.

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