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

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

How to calculate the band structure/ density of state of graphene on the metal substrate?

Current research findings have shown that the graphene and metal contact can be divided into two categories: physisorption and chemisorption. What interests to me is how to obtain the...

06 July 2014 4,113 3 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 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

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 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

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25 February 2021 5,713 1 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View