The Brustein-Moss effect is possible for p type semi-condutor?

Is it possible that Brustein-Moss effect causes the increase of band-gap of p-type semi-conductor? Thanks. Best regards.

02 March 2018 3,829 6 View

What's the relation of bandgap energy of ZnO hexagonal in function of lattice constant?

Hi! In function of temperature, the lattice constant were modified. I want to rely this modification to the redshift of bandgap energy of ZnO. Can you help me !!! Best regards. Bouzouraa Montassar.

09 October 2017 5,332 4 View

In the case of Photoluminescence in UV range, why the ZnO excitonic peaks intensity decrease with temperatures ?

01 January 1970 8,784 2 View

Origin of luminescence in anatase TiO2?

Hi, In literature, they have explicated the origin of luminescence in anatase TiO2 to the self-trapped excitons? What's mean this radiative recombination? In addition, what's the origin of...

01 January 1970 8,032 5 View

In the case of semiconductor, why the gap decreases with temperatures?

I would unterstand why the gap energy of semiconductor decrease in function of temperature!!! This modification is well known and explain by the Varshni formula !! Thanks for your help...

01 January 1970 438 12 View

Temperature dependence on ZnO electronic density?

Hi, How ZnO electronic density changed with temperatures? Thanks Best regards

01 January 1970 1,121 0 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

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

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

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 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

How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 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

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View