How to get free from the error 'Undefined variable comp1.Ne'?

Dear Colleagues, I want to simulate a 3D MOSFET using semiconductor module. But, I am getting this error in the source domain: Undefined variable. - Variable: comp1.Ne - Geometry: geom1 -...

05 June 2018 6,200 0 View

How to correct the Semiconductor module error?

I have encountered with the following error when I coupled wave optics and semiconductor module together. Please help. Division by zero. - Function: / Failed to evaluate expression. -...

05 June 2018 2,175 0 View

How to calculate optical conductance from the optical dielectric constants?

I need to make a database for optical conductivity of materials from their respective frequency dependent optical permittivity. The unit of optical conductance should be in S/cm. I went up to many...

02 March 2018 6,413 0 View

How to knit the space between two concentric ellipsoid surfaces to make it a solid shell?

Dear Colleagues, I have designed a pair of concentric ellipsoids, which are needed to be connected with each other to form a solid shell in .STL format. Can I join them together? Please...

10 November 2017 4,136 7 View

No title

I have obtained these data from Gaussian-09 package using keywords "freq polar" using B3LYP/6-31G++(d,p) exchange-correlation functionalExact polarizability: 190.335 2.070 169.585 11.327 -3.895...

02 March 2017 7,820 0 View

How can I find the structure given as gaussian archived entry file?

01 February 2017 9,464 4 View

What are the frontier journals for Plasmonics?

I am working with plasmonic nanomaterials. Please name the frontier journals where I may publish my research works. Thank you.

31 December 2016 2,936 1 View

What is the symmetry of a structure when Td and Oh point groups coincide/superimposed?

Since both the Td and Oh point groups belong to cubic symmetry, if we consider any structure in which the center of mass of both the structure coincide together, then what will be symmetry for the...

11 December 2016 5,011 4 View

Help to model aggregation kinetics of nanoparticles with molecular dynamics simulation

31 December 2015 2,274 2 View

Help to model aggregation kinetics of nanoparticles with molecular dynamics simulation

31 December 2015 4,595 2 View

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to regulate SSCP temperature in simple PAGE?

I'd like to perform single-strand conformation polymorphism (SSCP) in my thesis, however I cannot control the temperature of the vertical PAGE since we are using the conventional tanks. Is there a...

02 March 2021 9,157 1 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

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

What is the system of units used in the thermal conductivity by Spitzer and Harm?

23 February 2021 9,253 1 View