نتایج جستجو برای: electrochemical etching time

تعداد نتایج: 1946820  

Journal: :Chemistry and Chemical Technology 2023

We present the study of n-GaAs surface modification by electrochemical etching in different electrolyte compositions. The possibility forming micromorphology types on identical GaAs samples, particular crystallographic, defective-dislocation, and isotope interfaces, was investigated.

2016
Eva-Maria Steyskal Christopher Wiednig Norbert Enzinger Roland Würschum

Palladium is a frequently used model system for hydrogen storage. During the past few decades, particular interest was placed on the superior H-absorption properties of nanostructured Pd systems. In the present study nanoporous palladium (np-Pd) is produced by electrochemical dealloying, an electrochemical etching process that removes the less noble component from a master alloy. The volume and...

2016
Mariavitalia Tiddia Guido Mula Elisa Sechi Annalisa Vacca Eleonora Cara Natascia De Leo Matteo Fretto Luca Boarino

In this work, we report a method to process porous silicon to improve its chemical resistance to alkaline solution attacks based on the functionalization of the pore surface by the electrochemical reduction of 4-nitrobenzendiazonium salt. This method provides porous silicon with strong resistance to the etching solutions used in optical lithography and allows the fabrication of tailored metalli...

Journal: :Sensor Electronics and Microsystem Technologies 2014

Journal: :International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements 1986

2015
M Shimizu T Yamada K Sasaki A Takada H Nomura F Iguchi H Yugami

Controlling the thermal radiation spectra of materials is one of the promising ways to advance energy system efficiency. It is well known that the thermal radiation spectrum can be controlled through the introduction of periodic surface microstructures. Herein, a method for the large-area fabrication of periodic microstructures based on multi-step wet etching is described. The method consists o...

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