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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

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

03 March 2021 8,272 1 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View