Electrical and optoelectronic characterization of a ZnO nanowire contacted by focused-ion-beam-deposited Pt

被引：77

作者：

He, J. H. ^{[1
]}

Chang, P. H.

Chen, C. Y.

Tsai, K. T.

机构：

[1] Natl Taiwan Univ, Inst Photon & Optoelect, Taipei 106, Taiwan

来源：

NANOTECHNOLOGY | 2009年 / 20卷 / 13期

关键词：

GAN; MECHANISMS;

D O I：

10.1088/0957-4484/20/13/135701

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report on the transport properties of a single ZnO nanowire (NW) measured as a function of the length/square of the radius ratio via the transmission line method (TLM). The specific contact resistance of FIB-Pt contacts to the ZnO NWs is determined to be as low as 1.1 x 10(-5) Omega cm(2). The resistivity of the ZnO NWs is measured to be 2.2 x 10(-2) Omega cm. ZnO NW-based UV photodetectors contacted by FIB-Pt with a photoconductive gain as high as similar to 10(8) have been fabricated and characterized.

引用

页数：5

共 28 条

[1] Origin of the slow photoresponse in an individual sol-gel synthesized ZnO nanowire [J].

Ahn, Seung-Eon ;

Ji, Hyun Jin ;

Kim, Kanghyun ;

Kim, Gyu Tae ;

Bae, Chang Hyun ;

Park, Seung Min ;

Kim, Yong-Kwan ;

Ha, Jeong Sook .

APPLIED PHYSICS LETTERS, 2007, 90 (15)

[2] Mechanisms of recombination in GaN photodetectors [J].

Binet, F ;

Duboz, JY ;

Rosencher, E ;

Scholz, F ;

Harle, V .

APPLIED PHYSICS LETTERS, 1996, 69 (09) :1202-1204

[3] Ultrahigh photocurrent gain in m-axial GaN nanowires [J].

Chen, Reui-San ;

Chen, Hsin-Yi ;

Lu, Chien-Yao ;

Chen, Kuei-Hsien ;

Chen, Chin-Pei ;

Chen, Li-Chyong ;

Yang, Ying-Jay .

APPLIED PHYSICS LETTERS, 2007, 91 (22)

[4] Molecular photodesorption from single-walled carbon nanotubes [J].

Chen, RJ ;

Franklin, NR ;

Kong, J ;

Cao, J ;

Tombler, TW ;

Zhang, YG ;

Dai, HJ .

APPLIED PHYSICS LETTERS, 2001, 79 (14) :2258-2260

[5]

DIETER KS, 2006, SEMICONDUCTOR MAT DE, pCH3

[6] Rapid prototyping of site-specific nanocontacts by electron and ion beam assisted direct-write nanolithography [J].

Gopal, V ;

Radmilovic, VR ;

Daraio, C ;

Jin, S ;

Yang, PD ;

Stach, EA .

NANO LETTERS, 2004, 4 (11) :2059-2063

[7] Enhancing UV photoconductivity of ZnO nanobelt by polyacrylonitrile functionalization [J].

He, J. H. ;

Lin, Yen H. ;

McConney, Michael E. ;

Tsukruk, Vladimir V. ;

Wang, Zhong L. ;

Bao, Gang .

JOURNAL OF APPLIED PHYSICS, 2007, 102 (08)

[8] The study of electrical characteristics of heterojunction based on ZnO nanowires using ultrahigh-vacuum conducting atomic force microscopy [J].

He, J. H. ;

Ho, C. H. .

APPLIED PHYSICS LETTERS, 2007, 91 (23)

[9] Polymer functionalized ZnO nanobelts as oxygen sensors with a significant response enhancement [J].

He, J. H. ;

Ho, C. H. ;

Chen, C. Y. .

NANOTECHNOLOGY, 2009, 20 (06)

[10]

HE JH, 2009, UNPUB

← 1 2 3 →