How can ferrites be a semiconductors?

Some ferrites are considering that as N type or P type semiconductors. Can anyone please explain what is the basic principle behind it.

06 July 2014 8,072 4 View

By varying the doping concentration does the lattice parameter of ferrite, increase or decrease?

We are preparing Li based ferrite with Ni doped, can anyone please explain lattice parameter variation?

03 April 2014 1,534 2 View

Does the rate of increasing temperature have an effect on conductivity measurements?

What is the ideal condition to take the temperature variation measurements? Ex. Dielectric constant, Resistivity, permeability etc.,

07 August 2013 7,037 3 View

How does a ferrite solution get precipitated? What is the role of pH behind it?

We are preparing ferrites ( NiZnFe2O4, MgZnFe2O4, etc.,). After preparing solution we are adding NaOH to get precipitation. Could someone please explain the chemistry behind it? When I took EDS...

04 May 2013 4,387 4 View

What is the shrinkage percentage of ferrites in order to achieve 2" inch Die parameters?

We are planing to make films of ferrites by using RF sputtering method. We need 2" inch pellets after sintering, so how much should I keep to get exactly 2" inch pellet after sintering.

04 May 2013 6,122 3 View

How to make a composite using two different powders which have different phases?

Presently we are making composites by adding two powders in wt% ratio, mixed it by using agate mortar. We are grinding the powder for several hours to get homogeneous powder, is it the correct...

04 May 2013 7,435 5 View

Could anyone explain how the XRD confirms the structure of ferrites as spinal?

In all publications they are saying that (311) peak is the characteristic peak, what does it mean? What is the peak to peak information in XRD graph of ferrites?

03 April 2013 7,001 1 View

will XRD gives us elemental data?

I am working in the area of ferrites. if we dope the elements into the spinal/inverse spinal ferrites, will the XRD data shows the doped element?

03 April 2013 4,680 4 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View