Hamid Akbari Moayyer

6 Questions 13 Answers 0 Followers

Questions related from Hamid Akbari Moayyer

How long will hydroxyl group remain on Si wafer by using of piranha solution?

I know Si wafer can be hydroxylate by piranha solution but I don't know how long will hydroxyl group remain, either in air or distilled water. One hour, one day or ...?

08 August 2017 8,026 5 View

How to dissolve 2,2'-azobis(2-methylpropionamidine) dihydrochloride (AIBA) in distilled water?

According to papers, to synthesize polystyrene, I should dissolve AIBA in water and then add it to batch. I read in its datasheet that AIBA is soluble in water but I can't dissolve it, either at...

09 September 2016 2,470 2 View

Can I replace AIBA with AIBN in synthesis of polystyrene particles? What is surface charge of PS which was synthesized by using AIBN?

In synthesis of polystyrene particles by soap-free emulsion polymerization method in presence of PVP, I know if I use AIBA as an initiator, PS has positive charge while It will be negative if I...

08 August 2016 9,346 3 View

Which specific probes can apply forces in the uN and mN range without rupture?

I want to do nanoindentation experiments with an AFM. How much force usual silicon probes can measure without rupture?

10 October 2013 2,437 2 View

What is the temperature dependence of PZT and the effect on the calibration of AFM?

The curve which shows "extension deviation of PZT Vs. temperature" is very useful.

06 June 2013 5,993 9 View

How to fix nanoparticles on the base for AFM imaging?

In contact mode, if the particles put on a base without additional preparation, in higher magnification they detach from base and move. I heard about some liquid glue but the easy solution (lower...

04 April 2013 5,358 11 View