Can we find polar nanoregions (PNRs) using powder sample?

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What are the basic steps for annealing of ceramics?

I sintered my sample at 1300 °C in air. Now I want to anneal the sample. Can someone give me some basic step required for annealing process?

10 November 2016 8,708 2 View

What is the basic difference between the uncertainty and no uncertainty data region ?

In the temperature dependent Ac conductivity, what is basic different in uncertainty and no uncertainty data region. What phenomena is there? Please See the attached file?

10 November 2016 7,989 1 View

Which factors differentiate dielectric relaxtion from ferroelectric relaxtion?

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06 July 2016 5,360 0 View

What is the impact of superstructure reflections on the microwave dielectric parameters ?

In case of Ti based ceramics, how the existence of superstructure reflection like antiphase title reflection and antiparallel displacement of the A-site cations influenced (degrade and/or enhance)...

04 May 2016 7,447 1 View

Can anyone suggest me some basic books/Lecture notes on Ferroelectricity?

How the factors like doping level, vacancy defects, structure transition, particle size, pressure, orbital ordering and composition effected and/or shifted the curie temperature . please suggest...

02 March 2016 7,946 1 View

What is the impact of favoritism/nepotism, on research article?

In our society, as we see different factors play a key rule while publish a paper? However, what is the key rule of favoritism/nepotism on this aspect? How we can minimize this specially from our...

01 February 2016 9,130 3 View

How we can calculate the theoretical density and weight fraction for composite?

Please see attach file for detail.

11 December 2015 7,927 6 View

Can anybody know about the mode of the peak at 151.24 Cm-1 in Raman Spectra of SrTiO3?

In the Raman spectra of doped SrTiO3, a strong peak appears at 151.24cm-1 who intensity increased with doping. However, there is no such peak for pure SrTiO3 ceramics. The peak slightly shifted...

10 November 2015 8,058 1 View

Which software is better to calculate statistically the average grain size from SEM images?

I am tried to find the average grain size from the SEM image. Can any body suggested me, that which software is better to calculate the grain size like Image Pro plus software and/or Nano...

08 September 2015 1,417 0 View

How we can find the the angle of tilt of the Octahedra from atomic co-ordinates?

Can any body know, how we can find the angle of tilt of the octahedra from the atomic co-ordinates? How we can know about the short and long range cation/vacancy ordering from XRD spectrum? How...

08 September 2015 1,042 2 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

Is there anyone with experience in TEM analysis who can assist with a manuscript for an upcoming journal?

Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...

07 August 2024 9,563 0 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,921 1 View

Why reactivity isn't increased with more empty spots in valence shell?

If from a geometric perspective the non-halogens, non-noble gases have more empty spots in their valence shell, and the filling/exiting of any of the empty spots in the shell constitutes a...

03 August 2024 4,787 2 View

Why is the molecule's orientation with an electric field affect polarizability?

Why is the molecule's orientation with an electric field affect polarizability? Electrons are diffuse enough to be independent with respect to orientation and effect of electric field on...

03 August 2024 7,843 1 View

Why doesn't chromium 2+ ion use all its d-orbitals to receive lone pairs from six waters in [Cr(H20)6)]3+?

I'm guessing it's because the ligand experiences too much electron repulsion or proton repulsion from the chromium to insert them close to the 3d-orbitals which are close to the metal nucleus. Is...

03 August 2024 1,370 1 View