Michael Volk

3 Questions 10 Answers 0 Followers

Questions related from Michael Volk

Is the entropy change in a first order transition typically greater than in a second order phase transition?

I am sure, this is likely different from case to case, but I am wondering if in general one would expect a larger change in entropy during a first order phase transition than for a second order one.

13 October 2017 6,504 7 View

What is the best way to prepare magnetic nanoparticles for hysteresis measurement so that interactions are minimized?

I am trying to measure hysteresis and backfield curves on nanoparticle powders in a VSM (MicroMag). The particles are interacting strongly and thus changing the magnetic properties (Bc, Bcr, Ms)....

30 September 2015 594 7 View

How does the method of gas evaporation work when synthesizing Iron nano particles?

I read a paper by Gong et al. (1991, DOI:10.1063/1.348144) where nano particles are prepared by gas evaporation in Ar/N atmosphere in a tungsten basket. Does anyone know a book, PDF, webpage where...

06 November 2013 7,280 0 View