Modelling the interaction between high energy alpha particle and solid material?

04 May 2017 5,583 7 View

How can we create electron-puddle in the 2D-transition metal dichalcogenides?

In the intrinsic graphene on substrate like SiO2, electron-hole puddles appears due to the charge impurity below graphene. Roughly, we can visualize these electron-hole puddles as dynamic p-n...

07 August 2016 5,990 0 View

What properties do the carrier located at intersection of surface state and bulk conduction band have, for 3D topological insulator?

06 July 2016 7,957 2 View

How can the interface potential between two material can be measured experimentally?

Generally, when metal comes into contact with semiconductor, there would be forming schottky barrier at the interface. And at the interface, there exists a depletion region where there is no...

06 July 2016 3,763 4 View

How does the temperature degrade the voltage output from metal/semiconductor contact solar cell?

I read some literature on solar cell, all of which state that the voltage output of schottky-type solar cell will be reduced with rising temperature. But what i have learned from literature in...

31 December 2015 6,851 5 View

What is the relation between electron affinity and the number of layers of layered structure material?

07 August 2015 9,098 0 View

Why is silicon quantum dot considered a solar cell?

I recently have read literature on quantum-dot based solar cell. Basically the colloidal quantum dots are ideal materials. But i dont know why is that?

06 July 2015 5,005 4 View

Can two dimensional materials be used as electrolytes of fuel cell?

One question about solid state fuel cell: Can the van der waals heterostructure be used as electrolyte of fuel cell? In other words, van der waals heterostructure is impermeable or permeable to...

01 February 2015 2,948 7 View

How do you perform differentiation for measured sets of data?

I want to fit the I-V curve of a diode using the diode equation. The I-V curve is presented in the form of ln(I) vs V. But I want to know the dV/d(ln(I)) vs I, in order to extract the barrier...

01 February 2015 5,500 3 View

Since graphene can be magnetized by some approaches, we could regard graphene as a spin emitter?

Why not use graphene with spin polarized as a spin injector?

31 December 2014 5,653 1 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 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 are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 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

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 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