Mohamed El Hasnaoui

7 Questions 15 Answers 0 Followers

Questions related from Mohamed El Hasnaoui

Please help us interpret the curves obtained from measuring optical absorbance?

When adding the semiconducting particles to the polymeric matrix, any changes in (Lamda) of the matrix, meaning no changes in the gap energy of the latter. This phenomenon does not follow the...

27 April 2024 1,148 1 View

How do we explain the PTC/NTC behavior appears in electrical conductivity of CNT/engine oil nanofluids?

The measurements of temperature dependence of electrical conductivity shows a positive temperature coefficient (PTC) and negative temperature coefficient (NTC) below and above the critical...

21 August 2019 3,801 2 View

Could anyone explain the using Hybrid QM/MM Methods?

QM = Quantum Mechanics MM = Molecular Mechanics

17 September 2017 8,070 7 View

Could we consider the intephase zone between filler and macromolecular matrix in composite materials, as a capacitor?

In composite materials based on the mixture of conducting charges (filler) and polymeric matrix, several works have proven that there is an interphase zone.In this case, could we consider the...

31 May 2017 4,671 3 View

How can we explain the relaxation peaks that appear in the dielectric response of the insulating materials?

In this case: the insulating materials is formed by mixture of two type of polymeric matrix.

28 January 2017 2,035 5 View

How can we extract graphene particles from natural graphite?

I would like a simple method !!! Thank you

21 September 2015 3,669 6 View

In general, Is the PTC/NTC behavior " which appear in heterogeneous materials" related to the composite or to the matrix only ?

the composite = conducting charge loaded in insulating matrix the PTC/NTC behavior= the positive temperature coefficient in resistivity and negative temperature coefficient in resistivity effects.

17 July 2015 2,898 6 View