What are the typical values for dislocation velocity, density of dislocations, and/or strain rate in plastically deformed graphene at room temperature?

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What are Extensors of space and time in Generalized Thermodynamics?

Generalized Thermodynamics, which formulates the most universals laws of nature, assumes separation of all fields variables into conservable 'extensors' E and 'intensials' P linked by energy dU =...

20 October 2020 8,117 4 View

Why does the failure curve have a steep descent at its beginning?

It does not depend on the nature of the object: from a rivet to a human. Why does any kind of life and man-made things obey one law, according to which the entity, newly arrived in the world, has...

31 July 2019 5,215 6 View

Where can I see the formula for determining the minimum sample size for estimating the average random variable distributed according to some law?

I examine the distribution of some random variables in order to estimate their average value. The sample size is 116 values. Known expectation, variance and other statistical characteristics. It...

03 February 2019 8,983 3 View

Is it possible to determine quantitative composition of mixture by intergation of TIC chromatogram?

I'd be grateful if you will provide me some literature data about quantitative analysis of mixtures using TIC chromatogrames.

29 January 2019 8,652 13 View

What strain to use in cloning with araBAD promoter and gene of interest(1000bp) that is complementary to the region on the same plasmid?

I am trying to insert into PBR322 araBAD promoter with my gene of interest(it should be inducible). Could you please tell wether I could use DH5alpha strain as I was told it lacks arabinose...

28 January 2019 3,370 4 View

Who knows how to change computer atomic operations (a+b,a*b...) to new ones?

I seek advice from computer hardware/software specialists how to change atomic operations (a+b,a*b,a-b,a/b) to other ones on a hardware or core software/bios/OS levels. For example, a+b should be...

20 March 2018 2,001 3 View

How can i confirm presence of crystalline phase inside the glass volume?

If the volume fraction of crystals is so small that XRD doesn't show it. Any method beside HR TEM?

10 July 2017 3,027 10 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

16 February 2021 2,635 2 View

How can I calculate teh crystallinity degree of graphene oxide?

I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...

10 February 2021 6,305 5 View

About XRD details of pristine and doped RGO?

Hi Can anyone please help me know the XRD details of reduced graphene oxide, Nitrogen doped reduced graphene oxide, Sulphur doped reduced graphene oxide, Nitrogen and Sulphur co-doped reduced...

08 February 2021 3,033 3 View

What is the difference between Graphene Oxide and Expanded Graphite?

What are the main differences between Graphene Oxide and Expanded graphite, in terms of surface functionalities, conductivity, d-spacing and other features? Is the term expanded graphite...

06 February 2021 9,810 4 View

How to apply graphene oxide on an gold electrode?

Dear Fellows, now it is the time to push graphene applications further in terms of easy and low cost production surroundings. Thus I recently dived in the materia and I am facing tons of papers,...

02 February 2021 6,284 2 View

How to perform hydrogen underpotential in hydrophobic material?

I have a working electrode composed of deposited graphene material (confirmed from Raman).The graphene is porous and has deposited Pd nanoparticles. I am trying to perform hydrogen underpotential...

01 February 2021 3,199 1 View

What is the dispersion relation in polycrystalline graphene?

Hi, We all know the dispersion relation for an ideal graphene in hexagonal lattice. Since graphene is polycrystalline by nature, assuming a perfect graphene crystals with average size La, nm...

24 January 2021 4,747 2 View