Patterned boron nanowires and field emission properties

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	Patterned boron nanowires and field emission properties
	Tian, J ; Hui, C ; Bao, L ; Li, C ; Tian, YA ; Ding, H ; Shen, CM ; Gao, HJ
刊名	APPLIED PHYSICS LETTERS
	2009
卷号	94 期号:8
关键词	MAGNETIC-PROPERTIES NANOPARTICLES MICROSCOPY NANOCONES GROWTH ARRAYS
ISSN号	0003-6951
通讯作者	Tian, J (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.
中文摘要	Metal/insulator/metal structures composed of active Al top electrodes (TEs) and oxygen-deficient Pr0.7Ca0.3MnO3 (PCMO) insulator layers are prepared on platinized silicon substrates. The junction resistance exhibits an obvious negative differential resistance region in the first bias sweep and an irreversible increase from 2 to 100M Omega in repeated +/- 4 V sweeps. The pulse duration needed to fully switch the junctions is found to be on the order of milliseconds. When 100-500 mu s negative pulses are used, the junctions show an incomplete switch to the low resistance state (LRS) which exhibits fluctuating resistances. The fluctuation in the LRS is suppressed and the high-to-low resistance ratio increases gradually when the negative pulse duration is increased from 100 to 500 mu s. For relaxed junctions, pulse switching experiments reveal that the LRS undergoes a dynamically stable process at the beginning and then reaches a lower and metastable resistance value. Resistance retention tests also indicate that the high resistance state is very stable, while the metastable LRS gradually relaxes to higher resistance values. The experimental results are discussed with the formation and dissociation of an interfacial AlOx layer at the interface between Al TEs and PCMO layers.
收录类别	SCI
资助信息	National 863 [2007AA03Z305]; NSFC [2007CB935503]; NSFC [U0734003, 50872147]; CAS
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/50608]
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	Tian, J,Hui, C,Bao, L,et al. Patterned boron nanowires and field emission properties[J]. APPLIED PHYSICS LETTERS,2009,94(8).
APA	Tian, J.,Hui, C.,Bao, L.,Li, C.,Tian, YA.,...&Gao, HJ.(2009).Patterned boron nanowires and field emission properties.APPLIED PHYSICS LETTERS,94(8).
MLA	Tian, J,et al."Patterned boron nanowires and field emission properties".APPLIED PHYSICS LETTERS 94.8(2009).