Characterization thechniques, other than XRD, to recognize a material and its phase ?

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How to dissolve lanthanide orthophosphates?

Dear Scientists, Does any one know which solvent is appropriate for dissolving lanthanide orthophosphate (LnPO4) powders in order to make clear solutions ? Thanks for your contribution.

22 June 2020 9,910 8 View

Software for precursor amounts calculation for complex compunds ?

Dear Scientists, I am working on rare earth (RE) doped phosphor compounds using sol gel method. Sometimes, varying the first paprameter which is the host matrix compound in a complex form in...

16 November 2019 2,290 2 View

How to turn thin films into prototype pixel-like devices?

Dear Scientists, The possibility of making up thin films of just a few nanometres thick demonstrated that tiny film stacks can be turned into prototype pixel-like devices. These 'nano-pixels',...

16 September 2019 9,524 2 View

How to synthetise nanomaterials using sol gel method?

Dear researchers, Could someone provide any advices on how to prepare nanomaterials in thin film form using sol gel method ? Thanks.

23 August 2019 2,890 4 View

Mechanisms and processes behind nanocrystalline thin films' growth?

Please, could anyone provide detailed references on mechanisms and processes of growing nanocrystalline structures in thin films using soft chemical routes in general and sol gel process in...

21 August 2019 4,960 4 View

Interest of preferential orientation?

Dear Researchers, Could any one tell me possibles applications that non conductive optical thin films doped with rare earths obtained with only one preferential orientation (XRD) could have?...

21 January 2019 4,019 1 View

Does anyone know how to calculate mass percentages of organic components ?

i would to create new table and put in the mass % of organic compounds i have table of 20 elements in ng/m3

27 April 2018 556 4 View

Is anyone interested in some collaborations in Attribute Revocation for CP-ABE ?

I have an idea to develop a new solution for attribute revocation for CipherText Policy Attribute Based Encryption. The solution seems efficient, but it remains to do the security proof. If anyone...

28 April 2015 2,846 4 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

What is the reason film thickness increased?

what is the reason film thickness increased when increased doping concentrations give some reasons The measured film thickness is 156, 282, 394, 548 and 681 nm for 0, 1.5, 2.5, 3.5, and 4.5 wt....

17 February 2021 8,987 5 View

Phosphate buffer with different pH conditions: HCl or NaH2PO4?

Hi all, I just encountered this dogma; when adjusting pH of phosphate buffers, I've been using HCl/NaOH to in/decrease pH of buffers and recently I was told that HCl/NaOH can't be used to adjust...

08 February 2021 9,070 5 View

Why FTIR can not detect bases of nucleic acid in extracellular polymeric substances (EPS)?

I characterized functional groups of EPS using FTIR. Goups of sugars and proteins (e.g., -OH, amide, -COOH) as well as phosphate group of nucleic acid were readily detected. However, peaks of...

05 February 2021 4,405 1 View

How doping in nano-particles with same valency affect it's crystal lattice structure?

When doping in case of semiconductor is concerned, we doped Si by trivalent or pentavalent impurity atoms to improve its electronic properties but in case of nano-particles, sometimes we doped...

31 January 2021 7,128 1 View

Why sometimes current- voltage plot in chemiresistors/ FET does not pass through the origin?

I am trying to measure resistance from I-V curve from a chemiresistor/ FET sensor with a keithly sourcemeter. The substrate is soaked/ wet with protein and phosphate buffer only. But the I-V line...

24 January 2021 8,009 3 View

Any resist stripper which can remove thick metal based polymer residue and which is compatible with doped silicon ?

I am looking some resist strippers which can easily remove metal based polymer residue after post dry etch process. I have some candidates below but not sure if they are compatible with doped...

21 January 2021 3,008 3 View

What are the natural background values of Major,Trace and REE elements in sediments deposited by Indian rivers?

We are working on geochemical analysis of sediments derived from eastern and western ghats of India.

20 January 2021 8,963 6 View