12 December 2017 1 8K Report

Can you please suggest chemical for selective etchant for Poly and Single crystalline SiGe wafer with respect to Si?

i want to use it for SiGe NWs fabrication process

More Chandra prakash Goyal's questions See All
Can you please explain the principle of scattering of optical and electromagnetic waves?

If I pass a laser light through 100, 110, 111 or polycrystal sheet, will scattering, diffraction happen or not? As when x-ray pass through different planes, it happens. Can anyone suggest the...

07 August 2018 9,727 7 View

If i use Copper acetate in place of copper nitrate in the solvothermal process at 120C, what may be changes?

If i use Copper acetate in place of copper nitrate in the solvothermal process at 120C, what may be changes? Will i get same morphology?In a journal they performed Solvothermal process to obtain...

04 May 2018 2,598 2 View

How to make good metal oxide thin film by spin coating?

I synthesized metal oxides with different morphology by chemical route, now i have it in powder form. I want to make thin film of this material o glass substrate to measure gas sensing properties....

04 May 2018 4,992 11 View

Can you please tell which wet chemical process is good to clean SiGe wafers to remove metals, native oxides and organic impurities?

Can you please tell which wet chemical process is good to clean Si, Ge, SiGe wafers to remove metals, native oxides and organic impurities?

11 December 2017 8,195 2 View

XRD of SOI wafer (100)

I am using SOI wafer for my research work. When i am doing XRD then i am getting major peak 69.58. I matched this with JCPDS Data base. That peak reported as Si peak. Can...

06 July 2017 8,388 0 View

Single crystalline Silicon XRD

I purchased commercial Single crystalline Silicon wafer. company mentioned, it is plane oriented wafer. When I am doing getting XRD peaks on 69.24, 65.84, 61.68, 33. when i compare...

06 July 2017 3,546 4 View

I got skin burn on my hand when handling the chemicals. Ethanol, acetone, Naoh, hexamine, zinc nitrate & acetate. Plz suggest the reason & treatment

I  got skin burn in my hand when handling the chemicals in my laboratory.  I used ethanol, acetone, Naoh, hexamine, zinc nitrate & acetate.  I have etching, rushes, red spots, little hot place...

05 June 2017 3,909 2 View

How can i measure the temperature of electrodes in Thermal Evaporation systems

I am constructing the Thermal evaporation system. I want to know the melting point and evaporation temperature of tungsten boat during the deposition. How can i do?  

04 May 2017 1,916 2 View

Hydrothermal growth of ZnO NWs

I want to grow ZnO Nanowires on glass substrate by hydrothermal growth. I found various methods. I have following doubts... Seed layer importance and effect on NWs growth, size of Nanoparticles,...

04 May 2017 5,132 3 View

Can i use same tungsten boat multiple time for germanium deposition?

I am depositing Germanium on silicon by thermal evaporation. I am using Tungsten boat. My question is that can i use same boat multiple time for germanium deposition (Reuse same boat for next...

04 May 2017 3,251 4 View

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Which solvent and substrate is found to be best suited for deposition of electrodes with MXene ink?

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