Improvement of porous GaAs (100) structure through electrochemical etching based on DMF solution

MI Md Taib, N Zainal, Z Hassan - Journal of Nanomaterials, 2014 - Wiley Online Library
We report on the fabrication of porous GaAs (100) using three different acids, H2SO4, HF,
and HCl, diluted in DMF based solutions. The mixture of H2SO4 with DMF showed the best …

Chemical composition of nanoporous layer formed by electrochemical etching of p-Type GaAs

YA Bioud, A Boucherif, A Belarouci, E Paradis… - Nanoscale research …, 2016 - Springer
We have performed a detailed characterization study of electrochemically etched p-type
GaAs in a hydrofluoric acid-based electrolyte. The samples were investigated and …

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 …

Nanostructurale nature of the porous GaAs layer formed on p+-GaAs substrate by electrochemical anodization

L Beji, A Missaoui, A Fouzri, HB Ouada, H Maaref… - Microelectronics …, 2006 - Elsevier
A porous GaAs layer has been formed by electrochemical anodization in HF based solution
on extremely doped p-type GaAs substrate. Porous nature of the elaborated sample has …

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 …

Structural and optical properties of electrochemically etched p+-type GaAs surfaces: influence of HF presence in the etching electrolyte

M Naddaf - Journal of Materials Science: Materials in Electronics, 2017 - Springer
Porous GaAs layers have been prepared by electrochemical etching of p+-type GaAs (10 0)
surfaces in two different solutions; HCl: H 2 O 2: H 2 O (HF free electrolyte) and HCl: H 2 O 2 …

Investigation of porous GaAs layers formed on n+‐type GaAs by electrochemical anodization in HF solution

L Beji, L Sfaxi, H Benouada, H Maaref - physica status solidi (a), 2005 - Wiley Online Library
The electrochemical etching of n+‐type GaAs in a hydrofluoric acid (HF) solution results in
the formation of a porous layer. The current–potential characteristic I (V) of the n+‐type GaAs …

Novel optical and structural properties of porous GaAs formed by anodic etching of n+-GaAs in a HF:C2H5OH:HCl:H2O2:H2O electrolyte: effect of etching time

M Naddaf, M Saad - Journal of Materials Science: Materials in Electronics, 2013 - Springer
Porous GaAs layers have been formed by anodic etching of n+-type GaAs (10.0) substrates
in a HF: C 2 H 5 OH: HCl: H 2 O 2: H 2 O electrolyte. A dramatic impact of etching time on the …

Morphology and strongly enhanced photoluminescence of porous GaAs layers made by anodic etching

J Sabataityt, I Šimkien, RA Bendorius… - Materials Science and …, 2002 - Elsevier
Porous GaAs layers obtained by electrochemical etching were investigated using SEM, TEM
and optical methods. The morphology, chemical composition and photoluminescence of …

Effect of phosphoric acid chemical etching on morphological, structural, electrical, and optical properties of porous GaAs Schottky diodes

AA Kareem, HK Rasheed, AR Polu… - Journal of Materials …, 2023 - Springer
Schottky diode of porous n-GaAs layers have been prepared by chemical etching of n-type
GaAs (100) substrates in (3 and 5) M of phosphoric acid (H3PO4) for 1 min. The influences …