Koushik Saikia

6 Questions 5 Answers 0 Followers

Questions related from Koushik Saikia

Does alkaline condition result emulsification of Oleic acid in DMSO ?

It is known that Dimethyl Sulfoxide (DMSO) is a highly polar solvent. It is easily miscible with fatty acid like Oleic acid . My question is that does varying pH affect on the miscibility of ...

13 March 2016 1,995 4 View

Can maghemite nanoparticles show any critical lowering of coercivity around a transition temperature like for magnetite (Verwey transition)?

It is known that magnetite transforms from cubic to monoclinic structure at a transition temperature (Verwey transition, Tv), where magnetic anisotropy and resistivity change abruptly . In the...

26 January 2016 9,988 2 View

Can magnetic nanoparticles align themselves on their own during solvent evaporation in absence of any magnetic field ?

It is known that magnetic nanoparticles can aligned themselves under the influence of external magnetic field during solvent evaporation. Is is possible to have chain formation of magnetic...

27 September 2015 8,327 11 View

Does the bilayer formation of oleic acid over nanoparticles depend on the concentration of oleic acid?

It is known that oleic acid get adsorbed to the nanoparticles through bilayer formation, one chemisorbed layer and other is physisorbed layer. Whether this bilayer formation process is...

30 May 2015 305 1 View

How can the interparticle dipolar interaction affect the saturation magnetization ?

It is known that the saturation magnetization of any assembly magnetic nanoparticles depends on the average size of nanoparticles depending upon the type of the material. When we talk about the...

20 December 2014 2,112 7 View

What does the position of peak in Henkel plot signify?

For knowing the interparticle interaction type (dipolar or exchange) we often plot Henkel plot. It is known that the depth of the peak in Henkel plots signifies the strength of interparticle...

18 November 2014 4,786 1 View