How to fix error link 9999 in gaussian ? Its coming as I add a solvent IEFPCM/DCE Model to the job,without the solvent optimization is sucessful.Why?

I optimized the structure of Pd Acetate Trimer using HF/STO-3G and the B3LYP/LANL2DZ without any solvent. The optimization was successful without any negative frequency. Then I added solvent...

28 September 2020 745 3 View

Does Covid 19 exacerbate anaemia and diabetes in people ?

Can CRISPR-cas9 gene editing technology save patients suffering from low pancreatic beta cell and cure diabetes? If so any human trial going on?

26 June 2020 1,246 4 View

How do i separate a metal complex from DMSO?

Actually ,i couldnot evaporate DMSO due to high boiling point. So how can i get back my metal complex

01 March 2020 3,212 7 View

How to arrange the data for preparing Sample rarefaction (Mao tau) curve using PAST?

I have tree abundance data of six different land use categories and for each category i have taken 12 plots. Now I need to draw Sample rarefaction (Mao tau) curves showing all the six different...

19 September 2019 2,857 2 View

Can anyone suggest me regarding LC MS/MS facility within India for plant based samples?

I want to do LC-MS/MS analysis of my plant based samples (Fractions of plant secondary metabolites obtained from column chromatography) . Can someone please suggest to me some good and reliable...

03 March 2019 9,654 15 View

Does activated charcoal quenches fluorescence of quantum dot?

Does anyone has an idea whether activated charcoal quenches fluorescence of quantum dot or not? Activated charcoal has capability to absorb UV and fluorescence from UV based and fluorescent based...

26 November 2018 470 1 View

How to increase the adsorption of graphene oxide on any substrates?

I have deposited thin film of graphene oxide on corning glass and undoped Silicon substrates by dropcast method. I have kept at 50C for 3 hours to dry. Then I have annealed them at high...

03 October 2018 8,794 3 View

Is it possible to get smaller lattice parametrs in thin film form than bulk sample?

I deposited the thin films of MgTiO3 using RF sputtering onto quartz substrate. After XRD analysis of thin films and sputtering target (home made), it is observed that the lattice parameters of...

24 June 2018 4,327 2 View

What theory should be relevant to study the role of New Media in Democracy?

I have been working on a paper on the role of new media (specially social media) in democracy. My emphasis is on the role of social media in Indian Democracy. But could not able to use a...

16 June 2018 1,848 6 View

Are there any refinery operations technology to reduce petcoke and FO?

I am currently working on a project to reduce petcoke and furnace oil in refineries. Irrespective of the crude type, there is always some generation of petcoke and FO. But as per the current...

06 December 2017 763 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

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25 February 2021 5,713 1 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

I am desigining UWB antenna with ecllipse shaped patch on HFSS.Why gain is coming negative ?

I am attaching my design and result of Gains.S11 parameter is less than -10dB from 3.1 to 9.8 Ghz.Z11 magnitude also lies between 40 -60 ohm for this range .Still gain is negative. Pls help

29 January 2021 4,334 3 View

Where to add metamaterial unit cells in microstrip patch antenna to enhance the antenna parameters?

In order to enhance the antenna parameters, meta-material unit cells are added but where to load them is more advantageous either at ground plane or at the patch side, also is it necessary to add...

24 January 2021 2,999 4 View

Why the bandgap of CH3NH3PbCl3 films are different for spin-coating method and electrospinning method?

The observed bandgaps are 3.8 eV and 3.4 eV for spin-coated and electrospun films, respectively. What are the possible reasons?

08 January 2021 5,646 6 View

How to calculate the band potential of a semiconductor material using energy band gap?

I am looking for methods to calculate the band potential of ZnFe2O4 and Fe2O3.

05 January 2021 6,416 2 View

Is there applied of types of injective modules with GAP programming ?

If you have any paper about types of injective modules and applied with GAP programming, please send me to the Email: [email protected]

28 December 2020 9,521 2 View

How much does radiative heat transfer effect thermal conductivity of materials and how to compare calculations to experirment?

I am calculating the phonon contribution to thermal conductivity for 4 perovskites (BaZrO3, BaSnO3, BaHfO3, and KTaO3) with relatively wide bandgap. When I compare my results for BaZrO3 to the...

27 December 2020 3,232 3 View

What is the value of dielectric constant and mass of electron and hole for calculation of band gap of ZrO2 nanoparticles using Brus relation?

We have synthesized the ZrO2 nanoparticles through wet chemical method. To come to conclusion ZrO2 is direct or indirect band semiconductor. We need to calculate band gap using Brus formula....

26 December 2020 1,471 4 View