Patterning surface oxide nanostructures using atomic force microscope local anodic oxidation

被引:3
作者
Kim, Tae Young [1 ]
Di Zitti, Ermanno [1 ]
Ricci, Davide [1 ,2 ]
Cincotti, Silvano [1 ]
机构
[1] Univ Genoa, Dipartimento Ingn Biofis & Elettron, I-16145 Genoa, Italy
[2] IIT, I-16163 Genoa, Italy
关键词
local anodic oxidation; atomic force microscope; nanostructures; pulsed voltage;
D O I
10.1016/j.physe.2007.08.085
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We show how the analysis of the current detected during the fabrication of titanium oxide dots by AFM local anodic oxidation allows the determination of the optimal duration of bias voltage for obtaining nanostructures with higher aspect ratio. Experimental conditions to fabricate oxide dots and lines are discussed. Finally, we demonstrate that proper values of scan rate and period of a pulsed bias voltage enables the selective oxidation of dots and lines. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:1941 / 1943
页数:3
相关论文
共 13 条
[1]   High aspect ratio nano-oxidation of silicon with noncontact atomic force microscopy [J].
Clement, N ;
Tonneau, D ;
Gely, B ;
Dallaporta, H ;
Safarov, V ;
Gautier, J .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 2003, 21 (06) :2348-2351
[2]   DEVICE FABRICATION BY SCANNED PROBE OXIDATION [J].
DAGATA, JA .
SCIENCE, 1995, 270 (5242) :1625-1626
[3]   Current, charge, and capacitance during scanning probe oxidation of silicon. I. Maximum charge density and lateral diffusion [J].
Dagata, JA ;
Perez-Murano, F ;
Martin, C ;
Kuramochi, H ;
Yokoyama, H .
JOURNAL OF APPLIED PHYSICS, 2004, 96 (04) :2386-2392
[4]   Current, charge, and capacitance during scanning probe oxidation of silicon. II. Electrostatic and meniscus forces acting on cantilever bending [J].
Dagata, JA ;
Perez-Murano, F ;
Martin, C ;
Kuramochi, H ;
Yokoyama, H .
JOURNAL OF APPLIED PHYSICS, 2004, 96 (04) :2393-2399
[5]   Role of space charge in scanned probe oxidation [J].
Dagata, JA ;
Inoue, T ;
Itoh, J ;
Matsumoto, K ;
Yokoyama, H .
JOURNAL OF APPLIED PHYSICS, 1998, 84 (12) :6891-6900
[6]   Predictive model for scanned probe oxidation kinetics [J].
Dagata, JA ;
Perez-Murano, F ;
Abadal, G ;
Morimoto, K ;
Inoue, T ;
Itoh, J ;
Yokoyama, H .
APPLIED PHYSICS LETTERS, 2000, 76 (19) :2710-2712
[7]   Kinetics of scanned probe oxidation: Space-charge limited growth [J].
Dubois, E ;
Bubendorff, JL .
JOURNAL OF APPLIED PHYSICS, 2000, 87 (11) :8148-8154
[8]   Nano-chemistry and scanning probe nanolithographies [J].
Garcia, R ;
Martinez, RV ;
Martinez, J .
CHEMICAL SOCIETY REVIEWS, 2006, 35 (01) :29-38
[9]   Fabrication of Ti/TiOx tunneling barriers by tapping mode atomic force microscopy induced local oxidation [J].
Irmer, B ;
Kehrle, M ;
Lorenz, H ;
Kotthaus, JP .
APPLIED PHYSICS LETTERS, 1997, 71 (12) :1733-1735
[10]  
KIM TY, 2007, IN PRESS SURF SCI, DOI DOI 10.1016/J.SUSE.2007.08.017