Annealing

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Questions related to Annealing

How can synthesis of TiO2 nanoparticles (anatase) be done without annealing or calcination?

I am trying the sol-gel process using TTIP as the precursor, with Ethanol and HCl. however, the annealing furnace is out of order. Can anybody suggest some alternate method?

10 October 2018 9,499 18 View

what is The maximum temperature can we use to anneal the porous silicon?

what is the effect of annealing on the pore size

10 October 2018 5,934 0 View

How to deal with a mismatch in 12'' CF flanges?

My turbomolecular pump (Leybold) and vacuum chamber (Pfeiffer) have difference in knife edge diameter of ~0.5 mm. This results in a noticeable camber in the used gasket and the pressure not going...

24 September 2018 9,352 3 View

What influence the surface orientation of FCC crystal during annealing?

Take Ni as example, after annealed in vacuum at about 900C, grains with different orientation are formed, some are 111, some are 100, and some are 311, etc. So what play the role in determining...

16 September 2018 6,162 3 View

I need to find out annealing twins and need to know the procedure, how to do my task?

I have two samples, one is deformed and other is non-deform brass alloy . how to do it? Thanks.

09 September 2018 3,440 0 View

How the Simulated Annealing does behave like HC when Temperature is low?

Dear Friends When temperature is low the probability of Annealing function will be decreased so the exploitation increases!

09 September 2018 8,973 1 View

What influence the surface orientation of FCC crystal during annealing?

Take Ni as example, after annealed in vacuum at about 900C, grains with different orientation are formed, some are 111, some are 100, and some are 311, etc. So what play the role in determining...

09 September 2018 9,525 4 View

Is this martensite twins??

ferromagnetic alloy was annealed for 24 hours, followed by ice water.

09 September 2018 6,115 5 View

How 111 and 100 facet was formed during anneal ?

I annealed Ni foil in vacuum at about 900C, and after that, the surface is mixed with 111 and 100 facet. So how they are formed? Is there any ways that I depress the formation of 111 surface, and...

09 September 2018 4,029 0 View

How is it possible that a sapphire substrate turned black after annealing?

After annealing at high temperature in vacuum for 12h the Al2O3 alpha phase substrate, it has turned into black and it is not transparent anymore. It is a black mirror. XRD peaks don't suggest...

09 September 2018 8,955 3 View

Can someone provide me this paper(pdf)?

"Surface uniform wet etching of ZnO films and influence of oxygen annealing on etching properties"

09 September 2018 1,383 3 View

Ligation of concatamers failed, why?

I want to clone 3-6 repeats of a 100bp annealed oligo (AO) into a vector. After hybridization of the AO I see distinct bands of 100, 200, 300, 400, 500, 600 and 700 bp on a agarose gel. I cut...

27 August 2018 7,611 3 View

What is the best type of copper tube for tube bending application?

I now use C12200 H58 for plumbing at about 120 degrees celcius of application. but I got a problem. I have to anneal the tube first in order to make it easily bent. If I don't, the copper will be...

08 August 2018 4,879 0 View

Ligation of concatamers failed, why?

I want to clone 3-6 repeats of a 100bp annealed oligo (AO) into a vector. After hybridization of the AO I see distinct bands of 100, 200, 300, 400, 500, 600 and 700 bp on a agarose gel. I cut...

08 August 2018 7,489 4 View

What type of Texture is this Pole figure representing?

I have a pole figure from an annealed 49Ni-Fe sample, but i can't recognize what kind of texture it is indicating. The sample was cold rolled then annealed at 1150 C. The pole figure is surveyed...

08 August 2018 2,373 4 View

How to anneal two small bp. sequences without hairpin structure?

There are two small sequences that I want to anneal them. But one of them has a hairpin structure (> 1/3 sequence). I have tried Klenow, higher Tm with high Mg2+ , and lower Tm with touch down...

08 August 2018 6,262 0 View

Why is Ion implantation called low temperature process while it needs annealing afterwards?

I was wondering why Ion implantation is low temperature process while it needs annealing anyways. Is that annealing temperature still less than typical diffusion?

08 August 2018 1,585 0 View

Roughness more than thickness in thin film?

We fabricated sol-gel spin coated thin films with thicknesses of about 30, 40 and 50 (nm), and roughness of 45, 55 and 80 (nm), respectively. The preparation processes were the same for all...

08 August 2018 10,304 10 View

What could be a probable reason if we obtain MOS like capacitance feature for two ohmic metal contacts on a semiconductor?

I am performing C-V using SPA on two In contacts made on ZnO film. At first, it was observed to give a step increase in capacitance as the applied voltage is changed from negative to positive....

26 July 2018 3,249 4 View

How can metal nanoparticle be converted (room temperature) to metal oxides without calcination (e.g. Co to Co3O4)?

I like to invesitigate how metal nanoparticles can be oxidised to oxides without using high temperature (calcination, annealling process).

23 July 2018 1,055 3 View

How do you construct a crRNA for pCas9 (addgene 42876)?

Hello, I'm designing a CRISPR/Cas9 protocol for school purposes (I attend a extra project next to my study). I have to use the pCas9 plasmid (addgene #42876) for CRISPR eventually. This plasmid...

09 July 2018 5,752 1 View

Why does Al-alloy turn brownish after annealing?

Al-alloy parts turn brownish after a furnace process with nitrogen atmosphere. It is the alloy EN AW 5083.

07 July 2018 5,379 8 View

What could be a probable reason if we obtain MOS like capacitance feature for two ohmic metal contacts on a semiconductor?

I am performing C-V using SPA on two In contacts made on ZnO film. At first, it was observed to give a step increase in capacitance as the applied voltage is changed from negative to positive....

07 July 2018 8,021 5 View

How can metal nanoparticle be converted (room temperature) to metal oxides without calcination (e.g. Co to Co3O4)?

I like to invesitigate how metal nanoparticles can be oxidised to oxides without using high temperature (calcination, annealling process).

07 July 2018 8,476 4 View

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