What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

16 February 2021 2,635 2 View

I want to remove TiO2 and SiO2 coating from surface. any one can help me?

I want to remove TiO2 and SiO2 coating from surface. I think that i should use HCl and MgCl2 and an oxidation agent such as potassium nitrate, but i dont know in which propertion should these...

14 February 2021 300 3 View

How to match the XRD of a compound for which there is no JCPDS file ? Is there any other characterization to claim the synthesis of desired compound?

I have synthesized LiMgF3 using the starting precursors LiF and MgF2 via solid state diffusion method. Now I am looking for some characterization to claim the desired product, as there is no...

09 February 2021 921 3 View

How to prepare OH- terminated Si Wafer?

Hi, Folks. I am working on the ALD project to deposit Al2O3 on the Si wafer from TMA and Water. I have struggled with the preparation of OH- terminated Si wafer. I have both Si(1 0 0) and...

08 February 2021 8,792 2 View

Separation of CaO from Al2O3 and SiO2 in a solid waste, does HCl work?

I have an alkaline solid waste which contains the following components: SiO2, Al2O3, and CaO according to the XRF analysis (as it gives the results as oxides). However, I know from the XRD that it...

28 January 2021 9,469 3 View

What is the best lubricant and dispersant for SiC abrasive particles ?

I am examining laboratory cases about ZnO Based ceramic Lapping with SiC,Al2O3,CeO2 and SiO2 abrasive particles. but i have no experience about modifying SiC slurry lapping. Also,i use of double...

13 December 2020 4,327 4 View

Asked a question in SnO2 ?

08 December 2020 6,957 2 View

How to make silicon tetrachloride (SiCl4) from silica (SiO2) nanoparticles?

Does anyone know any work done on the production of silicon tetrachloride from silica nanoparticles? it is also called chlorination of silica. Thanks.

06 December 2020 7,985 2 View

How to model a graphite-bearing rock using Perplex (pseudosections)?

Dear all, I am struggling to model a rock which contains the assemblage K-white mica + Na-white mica + chlorite + quartz + graphite + rutile. I have followed step by step the tutorial available on...

22 November 2020 2,387 2 View