Characterization of hydrophobic, oxidized porous silicon layer formed by anodic etching of n+-type silicon surface in a HF:C2H5OH:HCl:H2O2:H2O electrolyte for bio-application

2014 ◽  
Vol 116 (3) ◽  
pp. 1337-1345 ◽  
Author(s):  
M. Naddaf ◽  
A. Almariri
2000 ◽  
Vol 69-70 ◽  
pp. 182-187 ◽  
Author(s):  
T Lohner ◽  
M Fried ◽  
P Petrik ◽  
O Polgár ◽  
J Gyulai ◽  
...  

Author(s):  
Hasan A. Hadi ◽  
Raid A. Ismail ◽  
Nadir F. Habubi

Porous silicon (PS) has been fabricated by Photo-electrochemical etching. Porous silicon was anodized on n-type Si in light using a current density of 20 mA/cm2 for 10 min. The porous structure formation was confirmed using XRD and AFM studies. The root mean square (RMS) roughness of the Porous silicon layer is found to be around 47.5 nm and the ten point height was 317 nm. The average of pores diameter was 419.98nm, and the grain growth is columnar with a (211) preferred orientation. The grain size of the PS was estimated from the Scherer’s formula and found to be 73 nm. All the properties of the porous silicon layer, such as porosity and the thickness depend on the anodization parameters. The porosity (P) was approximately 77%. The thickness of the layer formed during an anodization in constant current was 3.54 nm in gravimetric method, while its value was 1.77 nm by using the theoretical relation.


2006 ◽  
Author(s):  
Jian Li ◽  
Junming An ◽  
Hongjie Wang ◽  
Junlei Xia ◽  
Dingshan Gao ◽  
...  

1996 ◽  
Vol 452 ◽  
Author(s):  
D. Buttard ◽  
G. Dolino ◽  
D. Bellet ◽  
T. Baumbach

AbstractHigh resolution X-ray diffraction and reflectivity have been used for the structural characterization of thin porous silicon layers of p and p+ doping type. Thin porous silicon layers studied either by diffraction or reflectivity, in the range of 10–1000 nm, exhibit several thickness fringes, corresponding to a lateral homogeneity of the layer thickness. The comparison between the experimental results with simulations enables one to deduce structural information relative to the porosity, thickness, lattice parameter as well as interface thickness. For p+ type samples a double fringe system was observed, showing the existence of a surface film probably at the porous silicon layer top surface.


Author(s):  
Yasmina Belaroussi ◽  
Abdelhalim Slimane ◽  
Mohand Tahar Belaroussi ◽  
Mohamed Trabelsi ◽  
Gilles Scheen ◽  
...  

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