How to confirm the phase transition from R3c to orthorhombic?

Indoors BiFeO3 has r3c st and with doping it goes to orthorhombic. But the exact orthorhombic structure group is not clear.which is correct r3c to pbnm or r3c to c222. How to check it appropriately.

11 December 2018 8,917 3 View

Anyone here using PE loop tracer system from Marine India?

Please inbox me. I have some queries regarding the instrument. Thank you in advance. Regards Alaka

10 November 2018 4,602 0 View

Can anyone suggest me if the attached result signifies the ferroelectric behaviour ?

I am herewith attaching the PE result (ferroelectric hysteresis) with finite loop area. I need suggestions regarding following 1. As can be seen the loop ahifted to left from origin and some cases...

31 December 2017 9,127 9 View

What is the effect of electrode on the polarization-elelctric field loop (PE loop)?

07 August 2017 4,846 0 View

What will be the effect of impurity on Dielectric properties of semiconductor?

How does the morphology of impurity affects the dielectric properties. The impurity phase is Hematite so can anyone suggest or refer some literature regarding this.

05 June 2017 8,409 8 View

What does it mean when Zero field cooled (ZFC) and field cooled (FC) curve completely merge with each other?

what does the peak observed in ZFC and FC imply? how does it related to spin glass transition? How to confirm the same? Can anyone please suggest me.

05 June 2017 1,413 4 View

Does increase in peak shifting with higher 2 theta angle in XRD logical?

I am observing the shift in peaks in a mixed phase system (2 phases). I observed the peak shifting is more at higher angles i.e if it is 0.2 upto 2 theta =30 degrees which increases to 0.4 towards...

05 June 2017 5,782 16 View

What does the enhancement of intensity of certain peaks in XRD pattern implies?

I am working on Bi2Fe4O9 sample which shows some planes getting enhanced after sintering. The specific planes are (001),(002),(140). Can anyone suggest what it is due to?

04 May 2017 5,684 5 View

Can I use any matrix for PE loop measurement?

31 December 2016 7,891 6 View

Can anyone help me out on analysis of PE loop?

31 December 2016 8,288 0 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

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

03 March 2021 8,272 1 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