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Questions related from David Chukwuma Izuogu
Hello all, Usually, the coercive force necessary to drive the magnetization back to zero in hard and soft magnets decreases with increasing temperature. This means that if we carry out a...
05 July 2017 8,806 7 View
Hello, I currently measured the dielectric constant of a neutral complex which has some crystal solvent using PPMS. The measurement was carried out by a successive cooling and heating from 10 K to...
08 June 2017 8,213 2 View
Hello all, I am currently investigating for the first time, the Magneto Calorific effect of my complex. I already measured magnetisation vs Field at different temperature and have the data at...
22 May 2017 1,706 6 View
We can use XPS to investigate/determine chemical identity of metal ions in complexes. For example, we expect the binding energy of Fe3+ to be higher than a neutral Fe atom and Fe2+ because of the...
08 May 2017 1,191 6 View
I currently synthesised a heteronuclear complex which I expected should have same powder XRD pattern with previously reported work. However, the PXRD pattern shows low crystallinity compared to...
09 October 2015 4,500 4 View