Porous GaAs formed by a two-step anodization process

M Hao, H Uchida, C Shao, T Soga, T Jimbo… - Journal of crystal …, 1997 - Elsevier
In this letter, we proposed a method in which a n-type GaAs wafer was first anodized in HF
for a short time to form a high density of etch pits on its surface and then anodized in KOH …

Structural and optical properties of vapor-etched porous GaAs

A Smida, F Laatar, M Hassen, H Ezzaouia - Journal of Luminescence, 2016 - Elsevier
This paper consists to present first results concerning the structure of porous GaAs layer (por-
GaAs-L) prepared by using HF/HNO 3 as acidic solution in vapor etching (VE) method. In …

Controlled electrochemical growth of micro-scaled As2O3 and Ga2O3 oxide structures on p-type gallium arsenide

S Acikgoz, H Yungevis - Applied Physics A, 2022 - Springer
In this work, the double cell electrochemical etching technique is employed to study the
evolution of surface morphology during the etching of p-type gallium arsenide (GaAs) in a …

Formation of tetrahedron-like pores during anodic etching of (100) oriented n-GaAs

S Langa, J Carstensen, IM Tiginyanu… - … and solid-state …, 2001 - iopscience.iop.org
The morphology of porous layers obtained by electrochemical etching of (100) oriented n-
GaAs substrates in an aqueous solution of HCl was studied. At low anodic current densities …

Formation and properties of porous GaAs

P Schmuki, DJ Lockwood, JW Fraser… - MRS Online …, 1996 - Springer
Porous structures on n-type GaAs (100) can be grown electrochemically in chloride-
containing solutions. Crystallographic etching of the sample is a precursor stage of the …

Influence of gas adsorption on the impedance of porous GaAs

YS Milovanov, IV Gavrilchenko… - Functional …, 2017 - dspace.nbuv.gov.ua
Porous GaAs was formed electrochemically on n-type GaAs in a HF: C₂H₅OH (1: 3)
electrolyte. The surface morphology of porous GaAs has been studied using atomic force …

Initiation and formation of porous GaAs

P Schmuki, J Fraser, CM Vitus… - Journal of The …, 1996 - iopscience.iop.org
The present work deals with localized dissolution processes (pit and pore initiation and
growth) of p-and n-type (100) GaAs. Pit and pore growth can be electrochemically initiated …

Electrochemically etched pores and wires on smooth and textured GaAs surfaces

X Li, Z Guo, Y Xiao, HD Um, JH Lee - Electrochimica acta, 2011 - Elsevier
The electrochemical etching behaviors of GaAs on smooth and textured surfaces were
systematically investigated in aqueous KOH electrolytes. When the applied potential was …

[HTML][HTML] Electrochemical nanostructuring of (111) oriented GaAs crystals: from porous structures to nanowires

EI Monaico, EV Monaico, VV Ursaki… - Beilstein journal of …, 2020 - beilstein-journals.org
A comparative study of the anodization processes occurring at the GaAs (111) A and GaAs
(111) B surfaces exposed to electrochemical etching in neutral NaCl and acidic HNO 3 …

[HTML][HTML] Epitaxial growth on porous GaAs substrates

J Grym, D Nohavica, P Gladkov, E Hulicius… - Comptes Rendus …, 2013 - Elsevier
We report on the electrochemical preparation of porous GaAs substrates in fluoride-iodide
aqueous electrolytes for the lattice mismatched epitaxial growth from the vapor phase. The …