Can we freeze Photons ? is it violating fundamental rules of science and nature ?

06 June 2018 0 8K Report

Can we freeze Photons ? is it violating fundamental rules of science and nature ? Can we imagine the consequences of freezing light ?

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In which form multiferroic materials shows better Raman features ? Powder or sintered pellet ?

I need to do Raman spectroscopy of my multiferroic samples. I have samples in pellet form and powder form. I want to know which one will show better Raman features?

09 October 2018 4,909 2 View

How to get rid off from Bismuth deficiency XRD peak from bismuth based perovskite oxides?

How to get rid off from Bismuth deficiency XRD peak from bismuth based perovskite oxides? Even after adding extra 10% bismuth the peak at around 2THETA= 27 deg, is still observed in XRD data.

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Which aqueous medium is the best for stable and homogeneous DISPERSION of ceramic (PbTiO3) particles for TEM sample preparation ?

Which aqueous medium is the best for stable and homogeneous DISPERSION of ceramic (PbTiO3) particles for TEM sample preparation ? if particle size is in 500 nm range what precautions must be follow?

07 August 2018 2,140 7 View

What is reason for negative dielectric loss ?

I am getting negative dielectric loss at high frequency (2MHtz) which become positive beyond 150 degree Celsius. Is it due to interface problem between electrode and ceramic pellet or something else?

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What is history behind discovery of planck's constant ?

What is history behind discovery of planck's constant ? I know what is written in text books of quantum theory. I want to know how they have concluded it.

06 July 2018 2,097 7 View

What else is remained to explain in physics other than God and astrophysical phenomenon ?

Mysteries which are not solved by theoretical physicist or which have confusing theories ? I know there are many in astrophysics but dont want to focus on them now. Is gravity explained and...

06 July 2018 2,357 3 View

What is difference between lattice and sublattice ?Also provide examples ?

How to understand lattice and sublattice in crystal structure theory of solids ?

06 July 2018 9,327 5 View

What is the physical significance of "Ideality Factor" in solar cells? What is the Ideality Factor in Ferro-electrical Photovoltaic cells?

I am trying to find out the ideality factor in solar cells which are made of ferroelectric materials such as BiFeO3. These devices are not working on p-n junction model. So need to know some basic...

06 July 2018 6,634 15 View

Does Quantum Efficiency of solar cell also depend on crystal structure of absorbing layer ?

Does Quantum Efficiency of solar cells also depend on crystal structure of light absorbing layer of PV device ?

05 June 2018 5,254 5 View

How can we understand difference between open circuit voltage and nanoscale open circuit voltage ?

How can we understand difference between open circuit voltage measured of whole solar cell and nanoscale open circuit voltage using c-AFM?

05 June 2018 3,651 0 View

Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

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Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 View

How to develop investments in renewable energy sources?

08 August 2024 5,112 3 View

Who will be moral responsible for the death of thousands of people in the event of an earthquake?

Who will bear moral responsibility for the deaths of thousands of people in the event of an earthquake? Weeks and months remain before the onset of strong earthquakes that bring death to...

08 August 2024 6,134 12 View

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

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07 August 2024 5,343 2 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Can formaldehyd-fixed gelatin be melt?

I am puzzled about the properties of gelatin, when used for tissue-embedding. Hard gelatin can be melt again by temperatures about 40°C. Formalin-fixed gelatin is like crosslinked protein and...

07 August 2024 1,686 1 View