Results 31 to 40 of about 150,683 (215)

Resistance abilities of (100)/(111)-faceted diamond films against oxygen plasma etching

open access: yesJournal of Aeronautical Materials, 2019
The resistance abilities of (100) and (111)-faceted diamond films against oxygen plasma, 100 μm as film thickness, were investigated by the microwave power chemical vapor deposition (MPCVD) technique.
SUN Qi   +6 more
doaj   +1 more source

Preparation of small silicon carbide quantum dots by wet chemical etching

open access: yes, 2013
Fabrication of nanosized silicon carbide (SiC) crystals is a crucial step in many biomedical applications. Here we report an effective fabrication method of SiC nanocrystals based on simple electroless wet chemical etching of crystalline cubic SiC ...
Szekrényes, Zsolt   +5 more
core   +1 more source

Crystallographically Determined Etching and Its Relevance to the Metal-Assisted Catalytic Etching (MACE) of Silicon Powders

open access: yesFrontiers in Chemistry, 2019
Metal-assisted catalytic etching (MACE) using Ag nanoparticles as catalysts and H2O2 as oxidant has been performed on single-crystal Si wafers, single-crystal electronics grade Si powders, and polycrystalline metallurgical grade Si powders.
Kurt W. Kolasinski   +3 more
doaj   +1 more source

Iodide Salt Surface Etching Reduces Energy Loss in CdTe Nanocrystal Solar Cells

open access: yesNanomaterials
CdTe nanocrystals (NCs) have emerged as a promising active layer for efficient thin-film solar cells due to their outstanding optical properties and simple processing techniques.
Jielin Huang   +6 more
doaj   +1 more source

Etching of Phoenix Hall in Bloomington, Illinois by Bernhardt Wall

open access: yes, 2023
This print features an etching by Bernhardt Wall. This etching was created in 1937. This etching is entitled Phoenix Hall, Bloomington, Ill., where Lincoln made a political speech, April 10, 1860...https://scholarsjunction.msstate.edu/fvw-prints/2008 ...
etching by Bernhardt Wall (American, 1872-1956)
core  

Etching of the Presbyterian Church in Gettysburg, Pennsylvania

open access: yes, 2023
This print features an etching by Bernhardt Wall. This print was created in 1939. This etching is entitled Presbyterian Church, Gettysburg, Pa... This etching features the Presbyterian Church in Gettysburg, Pennsylvania.https://scholarsjunction.msstate.
etching by Bernhardt Wall (American, 1872-1956)
core  

Improvement of AlGaN/GaN High-Electron-Mobility Transistor Radio Frequency Performance Using Ohmic Etching Patterns for Ka-Band Applications

open access: yesMicromachines, 2023
In this paper, AlGaN/GaN high-electron-mobility transistors (HEMTs) with ohmic etching patterns (OEPs) “fabricated to improve device radio frequency (RF) performance for Ka-band applications” are reported.
Ming-Wen Lee   +4 more
doaj   +1 more source

Manipulating etch selectivities in XeF2 vapour etching [PDF]

open access: yes, 2021
The vapour etching of silicon sacrificial layers is often a critical process in the fabrication of micro/nanosystems. This method has a number of attractive features, in particular, high etch rates of sacrificial silicon layers and good selectivities associated with photoresist, SiO₂, stoichiometric Si₃N₄ and a number of regularly used metal films ...
Rondé, Markus   +2 more
openaire   +1 more source

Comparative Evaluation of a Light-Cure Adhesion Booster on Shear Bond Strength Using Four Enamel Conditioning Techniques: An In Vitro Study

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: Effective bonding of orthodontic brackets is a critical factor for treatment success. Although acid etching with phosphoric acid is the gold standard, it may result in enamel loss and soft tissue irritation.
Polisetty Siva Krishna   +5 more
doaj   +1 more source

The growth of sapphire single crystals [PDF]

open access: yesJournal of the Serbian Chemical Society, 2001
Sapphire (Al2O3) single crystals were grown by the Czochralski technique both in air and argon atmospheres. The conditions for growing sapphire single crystals were calculated by using a combination of Reynolds and Grash of numbers.
Golubović Aleksandar   +3 more
doaj   +1 more source

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